Tearsheet

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0

Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 231%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 227%

Valuation becoming less expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is -50%

Megatrend and thematic drivers
Megatrends include Renewable Energy Transition, Smart Grids & Grid Modernization, and Artificial Intelligence. Themes include Battery Storage & Grid Modernization, Show more.

Weak multi-year price returns
2Y Excs Rtn is -109%, 3Y Excs Rtn is -168%

Meaningful short interest
Short Interest % of Basic SharesShort Interest % of Basic Shares = (Short Interest Quantity) / (Basic Shares Outstanding). A high fraction of short interest can indicate potential risk of a short squeeze. is 11%

Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -45 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -30%

Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 470%

Weak revenue growth
Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is -18%, Rev Chg QQuarterly Revenue Change % is -11%

Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -6.5%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -9.4%

High stock price volatility
Vol 12M is 1686%

Key risks
STEM key risks include [1] challenges successfully executing its strategic pivot to a software and services-centric model and [2] its ongoing financial instability and uncertain path to consistent profitability.

0 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 231%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 227%
1 Valuation becoming less expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is -50%
2 Megatrend and thematic drivers
Megatrends include Renewable Energy Transition, Smart Grids & Grid Modernization, and Artificial Intelligence. Themes include Battery Storage & Grid Modernization, Show more.
3 Weak multi-year price returns
2Y Excs Rtn is -109%, 3Y Excs Rtn is -168%
4 Meaningful short interest
Short Interest % of Basic SharesShort Interest % of Basic Shares = (Short Interest Quantity) / (Basic Shares Outstanding). A high fraction of short interest can indicate potential risk of a short squeeze. is 11%
5 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -45 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -30%
6 Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 470%
7 Weak revenue growth
Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is -18%, Rev Chg QQuarterly Revenue Change % is -11%
8 Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -6.5%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -9.4%
9 High stock price volatility
Vol 12M is 1686%
10 Key risks
STEM key risks include [1] challenges successfully executing its strategic pivot to a software and services-centric model and [2] its ongoing financial instability and uncertain path to consistent profitability.

Valuation & Metrics

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Updated on 6/5/2026

Stem (STEM) stock has lost about 30% since 2/28/2026 because of the following key factors:

1. Revenue Miss and Volatility from Battery Hardware Resales.

Stem's total revenue for fiscal Q1 2026 (ended March 31, 2026) declined 11% year-over-year to $29 million, falling below analyst estimates of $34.61 million. This revenue dip was entirely attributed to the absence of battery hardware resales during the quarter, which had contributed $4.5 million in the prior year's comparable quarter, highlighting revenue volatility and reliance on these intermittent sales for top-line growth.

2. Persistent Net Losses and Negative Operating Cash Flow.

Despite achieving positive adjusted EBITDA of $2 million in fiscal Q1 2026, Stem reported a GAAP net loss of $18.9 million and a negative operating cash flow of $8.3 million. The company's cash and cash equivalents also decreased to $36.6 million by the end of Q1 2026 from $48.9 million in the previous quarter, indicating continued cash consumption and ongoing unprofitability on a GAAP basis.

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Stock Movement Drivers

Fundamental Drivers

The -30.4% change in STEM stock from 2/28/2026 to 6/14/2026 was primarily driven by a -49.6% change in the company's P/E Multiple.
(LTM values as of)22820266142026Change
Stock Price ($)10.517.31-30.4%
Change Contribution By: 
Total Revenues ($ Mil)165153-7.4%
Net Income Margin (%)62.2%94.2%51.4%
P/E Multiple0.90.4-49.6%
Shares Outstanding (Mil)89-1.7%
Cumulative Contribution-30.4%

LTM = Last Twelve Months as of date shown

Market Drivers

2/28/2026 to 6/14/2026
ReturnCorrelation
STEM-30.4% 
Market (SPY)8.4%60.5%
Sector (XLU)-6.1%6.7%

Fundamental Drivers

The -57.7% change in STEM stock from 11/30/2025 to 6/14/2026 was primarily driven by a -69.4% change in the company's P/E Multiple.
(LTM values as of)113020256142026Change
Stock Price ($)17.307.31-57.7%
Change Contribution By: 
Total Revenues ($ Mil)165153-7.4%
Net Income Margin (%)62.2%94.2%51.4%
P/E Multiple1.40.4-69.4%
Shares Outstanding (Mil)89-1.7%
Cumulative Contribution-57.7%

LTM = Last Twelve Months as of date shown

Market Drivers

11/30/2025 to 6/14/2026
ReturnCorrelation
STEM-57.7% 
Market (SPY)9.2%55.8%
Sector (XLU)-0.3%8.0%

Fundamental Drivers

The -25.3% change in STEM stock from 5/31/2025 to 6/14/2026 was primarily driven by a -22.9% change in the company's P/S Multiple.
(LTM values as of)53120256142026Change
Stock Price ($)9.787.31-25.3%
Change Contribution By: 
Total Revenues ($ Mil)1521530.7%
P/S Multiple0.50.4-22.9%
Shares Outstanding (Mil)89-3.8%
Cumulative Contribution-25.3%

LTM = Last Twelve Months as of date shown

Market Drivers

5/31/2025 to 6/14/2026
ReturnCorrelation
STEM-25.3% 
Market (SPY)27.3%9.8%
Sector (XLU)11.8%9.6%

Fundamental Drivers

The -93.4% change in STEM stock from 5/31/2023 to 6/14/2026 was primarily driven by a -81.5% change in the company's P/S Multiple.
(LTM values as of)53120236142026Change
Stock Price ($)110.407.31-93.4%
Change Contribution By: 
Total Revenues ($ Mil)389153-60.8%
P/S Multiple2.20.4-81.5%
Shares Outstanding (Mil)89-9.0%
Cumulative Contribution-93.4%

LTM = Last Twelve Months as of date shown

Market Drivers

5/31/2023 to 6/14/2026
ReturnCorrelation
STEM-93.4% 
Market (SPY)84.5%6.5%
Sector (XLU)50.4%6.4%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
STEM Return-7%-53%-57%-84%25%-50%-98%
Peers Return33%-35%15%-5%-1%33%26%
S&P 500 Return27%-19%24%23%16%8%97%

Monthly Win Rates [3]
STEM Win Rate25%42%42%33%50%33% 
Peers Win Rate63%40%50%48%45%50% 
S&P 500 Win Rate75%42%67%75%67%50% 

Max Drawdowns [4]
STEM Max Drawdown-67%-67%-78%-92%-98%-64% 
Peers Max Drawdown-39%-63%-53%-42%-60%-36% 
S&P 500 Max Drawdown-5%-25%-10%-8%-19%-9% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: FLNC, ENPH, GNRC, TSLA, AMRC.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 6/12/2026 (YTD)

How Low Can It Go

EventSTEMS&P 500
2025 US Tariff Shock
  % Loss-53.9%-18.8%
  % Gain to Breakeven117.1%23.1%
  Time to Breakeven93 days79 days
2024 Yen Carry Trade Unwind
  % Loss-56.2%-7.8%
  % Gain to Breakeven128.1%8.5%
  Time to Breakeven144 days18 days

Compare to FLNC, ENPH, GNRC, TSLA, AMRC

In The Past

Stem's stock fell -53.9% during the 2025 US Tariff Shock. Such a loss loss requires a 117.1% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

EventSTEMS&P 500
2025 US Tariff Shock
  % Loss-53.9%-18.8%
  % Gain to Breakeven117.1%23.1%
  Time to Breakeven93 days79 days
2024 Yen Carry Trade Unwind
  % Loss-56.2%-7.8%
  % Gain to Breakeven128.1%8.5%
  Time to Breakeven144 days18 days

Compare to FLNC, ENPH, GNRC, TSLA, AMRC

In The Past

Stem's stock fell -53.9% during the 2025 US Tariff Shock. Such a loss loss requires a 117.1% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About Stem (STEM)

Stem, Inc. operates as a digitally connected and intelligent energy storage network provider in the United States and internationally. It offers energy storage systems sourced from original equipment manufacturers (OEMs). The company also provides Athena, an artificial intelligence platform, which offers battery hardware and software-enabled services to operate the energy storage systems. In addition, it offers system design and engineering services, supply chain management, energy storage value stream optimization, warranty and preventive maintenance plan management, operation and maintenance reporting, and program enrollment and incentive management services. The company serves commercial and industrial enterprises, independent power producers, renewable project developers, and utilities and grid operators. Stem, Inc. was incorporated in 2009 and is headquartered in San Francisco, California.

AI Analysis | Feedback

Here are 1-3 brief analogies to describe Stem, Inc.:

  • Like Palantir for optimizing and managing large-scale energy storage systems with AI.
  • Like Google Nest for industrial and utility-scale battery systems, intelligently optimizing their performance and use.

AI Analysis | Feedback

  • Energy Storage Systems: Physical energy storage units sourced from original equipment manufacturers (OEMs).
  • Athena AI Platform: An artificial intelligence platform offering battery hardware and software-enabled services to operate energy storage systems.
  • System Design & Engineering Services: Services for designing and engineering energy storage solutions.
  • Supply Chain Management: Services for managing the supply chain of energy storage components and systems.
  • Energy Storage Value Stream Optimization: Services focused on optimizing the economic value derived from energy storage assets.
  • Warranty & Preventive Maintenance Plan Management: Management services for warranties and preventive maintenance plans for energy storage systems.
  • Operation & Maintenance Reporting: Reporting services detailing the operation and maintenance activities of energy storage systems.
  • Program Enrollment & Incentive Management: Services assisting with program enrollment and the management of associated incentives.

AI Analysis | Feedback

Stem, Inc. (STEM) primarily sells its energy storage systems and AI platform (Athena) to other companies.

Based on the provided background, its major customers are found within the following categories of organizations:

  • Commercial and industrial enterprises
  • Independent power producers
  • Renewable project developers
  • Utilities and grid operators

AI Analysis | Feedback

  • Samsung SDI Co., Ltd. (KRX: 006400)
  • CATL (Contemporary Amperex Technology Co., Limited) (SZSE: 300750)
  • Sungrow Power Supply Co., Ltd. (SZSE: 300274)
  • Fluence Energy, Inc. (NASDAQ: FLNC)

AI Analysis | Feedback

Arun Narayanan, Chief Executive Officer

Arun Narayanan leads Stem's software-forward vision. He has over 27 years of experience in software technology, operations, data, and analytics across various industries, including oil and gas and renewable energy. Prior to joining Stem, Mr. Narayanan served as the CEO of RES Digital Solutions, a division of RES, where he oversaw innovation and the creation of software products designed to accelerate the digital journey for renewables. Before that, he was the Chief Data Officer of Anglo American, where he led the digital strategy to build its industry-leading data analytics platform, VOXEL.

Brian Musfeldt, Chief Financial Officer

Brian Musfeldt manages Stem's corporate and project financing efforts, bringing nearly 30 years of finance and management experience, with a focus on leadership in strategy and operational efficiency in the clean technology and energy industries. Mr. Musfeldt previously served as CFO of AlsoEnergy from 2017 to 2023, and was instrumental in AlsoEnergy's sale to Stem in 2022.

Larsh Johnson, Chief Technology Officer

Larsh Johnson oversees Stem's technological advancements and innovation strategies, with expertise in control systems and mechanical engineering. His professional journey includes co-founding eMeter Corporation, a Bay Area software company that was later acquired by Siemens Digital Grid, where he became Chief Technology Officer. He also co-founded CellNet Data Systems, a pioneer in wireless networks for smart metering and distribution automation, now a unit of Landis+Gyr.

Matt Tappin, President, Software Division

Matt Tappin oversees all of Stem's software and solar efforts, focusing on asset management, economic optimization, and edge devices for energy storage and solar assets. He joined Stem in 2021, coinciding with the company becoming public, to lead corporate development, including mergers and acquisitions (M&A), investments, and joint ventures.

Michael Carlson, Chief Operating Officer

Michael Carlson is responsible for overseeing Stem's day-to-day operations and ensuring operational efficiency. He brings a rich professional background with leadership roles at companies such as Koch Engineered Solutions, Siemens, and General Electric, contributing expertise in finance, operations, and strategic management.

AI Analysis | Feedback

The key risks to Stem, Inc.'s business are primarily centered around its financial stability and ongoing strategic transformation, intense market competition, and external regulatory and supply chain challenges.

1. Financial Instability and Execution Risk of Software-Centric Pivot

Stem, Inc. has a history of incurring net losses and has accumulated a significant deficit, approximately $1,626.5 million as of December 31, 2024. The company is currently undergoing a critical strategic transformation, shifting its business model from a hardware-heavy approach to one focused on software and services. This pivot has resulted in reduced revenues and short-term operational disruptions. For instance, revenue fell sharply in Q3 2024 due to lower battery hardware bookings and a substantial "bad debt expense." The successful execution of this software-first strategy is crucial for achieving consistent positive earnings and growing Annual Recurring Revenue (ARR). However, growth in ARR has shown signs of slowing, and the company's cash and cash equivalents have been declining due to sustained net losses, raising concerns about liquidity. Stem also carries high leverage, with an 11% cash interest on new notes creating a significant annual cash interest obligation. The market currently appears to value Stem as a distressed industrial firm rather than a high-margin AI software player, reflecting a "hardware hangover" from its previous model.

2. Intense Market Competition and Pricing Pressures

The energy storage market in which Stem operates is highly dynamic and competitive. Stem faces direct competition from rivals offering similar AI-driven energy storage solutions, as well as from larger energy market players and companies with established grid infrastructure. Vertically integrated competitors, such as Tesla with its Autobidder platform, pose a continuous threat to Stem's third-party software model, particularly in the utility-scale segment. The market is characterized by increasing consumer demand for energy storage systems (ESS) with higher energy density, faster charging capabilities, and extended battery life, necessitating continuous innovation. This intense competition and the need to keep pace with rapid technological advancements can lead to pricing pressures, which could impact Stem's market share and overall profitability.

3. Regulatory, Policy, and Supply Chain Uncertainties

Stem's business is significantly exposed to policy uncertainty and potential fluctuations in governmental support for clean energy incentives. The company also navigates geopolitical challenges, including trade dynamics and tariff negotiations, particularly concerning the supply of key components such as lithium iron phosphate (LFP) batteries from China. Adherence to a multitude of critical safety and performance standards for energy storage systems is a foremost regulatory challenge; failure to comply can result in costly delays, fines, or market bans. Furthermore, Stem has experienced operational hurdles due to interconnection bottlenecks and protracted interconnection timelines, which have caused project delays. Supply chain constraints for essential components, such as transformers and grid connections, also present ongoing challenges.

AI Analysis | Feedback

The clear emerging threat for Stem is the increasing trend of major energy storage hardware manufacturers (OEMs) and large industrial conglomerates offering their own vertically integrated, AI-driven energy management platforms and services. This directly competes with Stem's business model of sourcing hardware and providing its Athena AI platform and associated services, potentially leading to a market where a single vendor offers a more cost-effective, tightly integrated, or superior bundled hardware and software solution.

AI Analysis | Feedback

Stem, Inc. operates in the rapidly expanding energy storage and artificial intelligence (AI) in energy markets. The addressable markets for its main products and services are substantial both globally and within the United States.

Energy Storage Systems

Stem provides energy storage systems and related services, including design, engineering, supply chain management, and optimization. This encompasses both hardware and software-enabled services.

  • Global Energy Storage Systems Market: The global energy storage systems market was estimated at USD 668.7 billion in 2024 and is projected to reach USD 5.12 trillion by 2034, growing at a compound annual growth rate (CAGR) of 21.7% from 2025 to 2034.
  • U.S. Energy Storage Market: In the United States, the energy storage market was valued at USD 106.7 billion in 2024 and is expected to reach USD 1.49 trillion by 2034, demonstrating a CAGR of 29.1% from 2025 to 2034.

Specific Segments within Energy Storage Systems:

  • Global Grid-Scale Stationary Battery Storage Market: This market was estimated at USD 174.1 billion in 2024 and is expected to reach USD 2.96 trillion by 2034, with a CAGR of 30.7% from 2025 to 2034.
  • U.S. Grid-Scale Stationary Battery Storage Market: The U.S. grid-scale stationary battery storage market was worth over USD 43.7 billion in 2024.
  • Global Commercial and Industrial (C&I) Energy Storage Market: The commercial and industrial energy storage market is estimated at USD 91.99 billion in 2025 and is expected to reach USD 164.23 billion by 2030, growing at a CAGR of 12.29%.

Athena (Artificial Intelligence Platform)

Stem's Athena platform provides artificial intelligence for battery hardware and software-enabled services to operate energy storage systems, falling under the broader AI in energy management market.

  • Global AI in Energy Market: The global AI in energy market reached USD 9.89 billion in 2024 and is expected to reach USD 99.48 billion by 2032, growing with a CAGR of 33.45% during the forecast period of 2025-2032.
  • Global AI in Energy Management Market: More specifically, the global AI in energy management market size was valued at USD 5.26 billion in 2024 and is predicted to reach USD 20.31 billion by 2033, growing with a CAGR of 16.2% during the forecast period.

AI Analysis | Feedback

Stem, Inc. (STEM) anticipates several key drivers for its future revenue growth over the next 2-3 years, primarily stemming from its strategic shift towards a software-centric business model and expansion into high-growth market segments:

  1. Acceleration of the Software-as-a-Service (SaaS) Business Model with Athena and PowerTrack: Stem is strategically pivoting to a software-first approach, emphasizing its AI-enabled Athena platform and PowerTrack solutions. This shift is designed to capture predictable, higher-margin Annual Recurring Revenue (ARR) through accelerated software activations and product launches, such as PowerTrack EMS. The company expects significant gross margin expansion driven by this move away from lower-margin battery hardware resales.
  2. Expansion into New and Growing Market Segments: Stem is actively expanding its footprint in several lucrative markets. This includes growing its presence in the utility-scale segment by investing in PowerTrack to serve smaller utility-scale customers (20-100 megawatts) and strengthening its dominant position in the public power segment, identified as a rapidly growing area within the large-scale Front-of-the-Meter (FTM) market.
  3. International Market Expansion, particularly in Europe: The company is expanding its operations internationally, with a notable focus on Europe. The establishment of a Berlin competence center aims to address complex technical challenges in the European market, such as merchant market risk and negative pricing, thereby allowing Stem to charge premium SaaS fees. This expansion supports hybrid solar-plus-storage projects across the EMEA region.
  4. Growth in Professional Services and Value Stream Optimization: Stem expects revenue growth from its professional services offering. Customers increasingly value Stem's expertise in navigating complex energy markets and leveraging its platform's extensive real-world data to support them throughout the lifecycle of renewable asset projects. The Athena platform's capabilities in energy storage value stream optimization further contribute to this driver.
  5. Leveraging the Broader Demand for Green Energy and AI: Stem is well-positioned to capitalize on macro trends, including the increasing global demand for green energy driven by decarbonization efforts and the growing role of AI applications. The company's Athena AI platform is central to optimizing energy management, achieving cost savings, and providing grid services, aligning with these significant market shifts.

AI Analysis | Feedback

Capital Allocation Decisions for Stem (STEM)

Share Repurchases

No information available for share repurchases over the last 3-5 years.

Share Issuance

  • Stem became publicly listed in April 2021 through a business combination with Star Peak Energy Transition Corp. (SPAC), which generated over $600 million in gross cash proceeds, including a $225 million Private Investment in Public Equity (PIPE) from institutional investors.
  • In June 2025, the company executed a 1-for-20 reverse stock split to regain compliance with NYSE listing requirements, reducing the number of outstanding shares from approximately 167 million to around 8.4 million.
  • As of March 2026, Stem initiated an "at-the-market" equity program, enabling the sale of common stock with an aggregate offering price of up to $30 million.

Inbound Investments

  • The business combination with Star Peak Energy Transition Corp. in April 2021 provided over $600 million in gross cash proceeds, which included a $225 million PIPE from institutional investors such as BlackRock and Van Eck Associates Corporation.
  • The capital raised from the SPAC merger was intended to fund planned growth, advance the Athena software platform, and settle outstanding debts.

Outbound Investments

  • In December 2021, Stem acquired AlsoEnergy for an aggregate purchase price of $695 million. This transaction comprised approximately 75% cash and 25% Stem common stock. The acquisition aimed to combine Stem's storage optimization capabilities with AlsoEnergy's solar asset management software.
  • Stem has ceased making further investments in DevCo Joint Ventures (JVs) and, as of December 31, 2025, has either sold or written off all associated project assets.

Capital Expenditures

  • Stem did not report any material capital investment contributions for the years ended December 31, 2025 and 2024.
  • The company is undergoing a strategic shift from capital-intensive hardware resales to an AI-enabled software and services business model.
  • This strategic pivot is evidenced by 2025 full-year results, where over 55% of revenue was derived from software and services, with battery hardware resale accounting for $15 million, reflecting a deliberate de-emphasis on lower-margin hardware.

Better Bets vs. Stem (STEM)

Latest Trefis Analyses

TitleDate
0DASHBOARDS 
1Stem Earnings Notes12/16/2025
2null10/17/2025
Title
0ARTICLES

Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

STEMFLNCENPHGNRCTSLAAMRCMedian
NameStem Fluence .Enphase .Generac Tesla Ameresco  
Mkt Price7.3123.7154.59262.36406.4328.0641.33
Mkt Cap0.13.17.215.31,314.41.55.2
Rev LTM1532,5851,4004,32697,8791,9812,283
Op Inc LTM-45-501043235,297125115
FCF LTM-14-2691453317,000-35565
FCF 3Y Avg-81-1463414665,054-469130
CFO LTM-10-23619149916,528-1791
CFO 3Y Avg-70-12140161314,783-19191

Growth & Margins

STEMFLNCENPHGNRCTSLAAMRCMedian
NameStem Fluence .Enphase .Generac Tesla Ameresco  
Rev Chg LTM0.7%10.9%-1.6%-0.5%2.3%8.6%1.5%
Rev Chg 3Y Avg-18.4%15.7%-18.0%0.3%4.5%8.4%2.4%
Rev Chg Q-10.8%7.7%-20.6%12.4%15.8%13.8%10.1%
QoQ Delta Rev Chg LTM-2.2%1.3%-5.0%2.8%3.2%2.5%1.9%
Op Inc Chg LTM67.8%-87.3%-32.1%-41.7%-25.2%42.4%-28.6%
Op Inc Chg 3Y Avg17.1%13.2%-42.3%-5.5%-24.0%6.9%0.7%
Op Mgn LTM-29.7%-1.9%7.4%7.5%5.4%6.3%5.9%
Op Mgn 3Y Avg-57.2%-2.1%10.9%10.1%6.9%5.7%6.3%
QoQ Delta Op Mgn LTM5.9%0.3%-3.8%0.6%0.3%-0.3%0.3%
CFO/Rev LTM-6.5%-9.1%13.6%11.5%16.9%-0.8%5.3%
CFO/Rev 3Y Avg-21.9%-4.7%25.7%14.5%15.4%-1.6%6.5%
FCF/Rev LTM-9.4%-10.4%10.4%7.6%7.2%-17.9%-1.1%
FCF/Rev 3Y Avg-26.8%-5.8%21.9%11.0%5.2%-28.9%-0.3%

Valuation

STEMFLNCENPHGNRCTSLAAMRCMedian
NameStem Fluence .Enphase .Generac Tesla Ameresco  
Mkt Cap0.13.17.215.31,314.41.55.2
P/S0.41.25.13.513.40.72.4
P/Op Inc-1.4-63.069.147.5248.111.829.7
P/EBIT0.4-63.048.750.0227.611.630.2
P/E0.4-75.253.181.1340.347.150.1
P/CFO-6.2-13.337.530.779.5-89.112.2
Total Yield231.0%-1.3%1.9%1.2%0.3%2.1%1.6%
Dividend Yield0.0%0.0%0.0%0.0%0.0%0.0%0.0%
FCF Yield 3Y Avg-825.4%-18.5%3.7%5.7%0.5%-46.3%-9.0%
D/E5.30.10.10.10.01.40.1
Net D/E4.70.0-0.00.1-0.01.30.0

Returns

STEMFLNCENPHGNRCTSLAAMRCMedian
NameStem Fluence .Enphase .Generac Tesla Ameresco  
1M Rtn-16.5%14.2%3.2%-0.5%-3.7%-15.0%-2.1%
3M Rtn-30.1%44.7%23.9%30.8%3.9%13.6%18.7%
6M Rtn-62.0%6.8%69.6%63.2%-11.4%-6.7%0.1%
12M Rtn-19.6%373.3%19.7%110.4%24.9%77.0%51.0%
3Y Rtn-94.2%-12.9%-69.8%115.0%58.8%-43.0%-27.9%
1M Excs Rtn-18.5%7.5%30.1%-1.7%-8.6%-3.0%-2.3%
3M Excs Rtn-42.2%32.7%11.8%18.8%-8.2%1.5%6.7%
6M Excs Rtn-69.4%-8.3%58.6%49.6%-17.9%-19.3%-13.1%
12M Excs Rtn-62.9%356.6%-2.8%78.8%1.1%53.4%27.3%
3Y Excs Rtn-168.0%-81.7%-144.2%47.8%6.8%-117.0%-99.4%

Comparison Analyses

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Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
Edge hardware5445   
PowerTrack software3833   
Managed services3023   
Project and professional services & other2012   
Battery hardware resale1531   
Innovative technology services that transform the way energy is distributed and consumed  462  
Hardware revenue   311107
Services and other revenue   5220
Total156145462363127


Net Income by Segment
$ Mil20242023
Innovative technology services that transform the way energy is distributed and consumed-854-140
Total-854-140


Assets by Segment
$ Mil2020
Innovative technology services that transform the way energy is distributed and consumed385
Total385


Price Behavior

Price Behavior
Market Price$7.31 
Market Cap ($ Bil)0.1 
First Trading Date10/08/2020 
Distance from 52W High-75.5% 
   50 Days200 Days
DMA Price$9.64$14.65
DMA Trenddowndown
Distance from DMA-24.1%-50.1%
 3M1YR
Volatility87.0%1,696.6%
Downside Capture717.83484.64
Upside Capture314.96332.54
Correlation (SPY)76.4%10.0%
STEM Betas & Captures as of 5/31/2026

 1M2M3M6M1Y3Y
Beta6.155.363.523.6613.974.19
Up Beta4.314.653.802.7623.783.56
Down Beta2.864.042.022.835.842.45
Up Capture418%420%390%513%890%1303%
Bmk +ve Days13283667141432
Stock +ve Days11222953115332
Down Capture1178%946%371%309%209%114%
Bmk -ve Days7132757109318
Stock -ve Days9193468131404

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with STEM
STEM-48.9%1,693.1%0.95-
Sector ETF (XLU)13.3%14.7%0.639.7%
Equity (SPY)24.9%12.3%1.529.9%
Gold (GLD)25.5%27.4%0.812.0%
Commodities (DBC)30.1%19.0%1.25-19.9%
Real Estate (VNQ)13.5%13.5%0.6911.6%
Bitcoin (BTCUSD)-41.7%42.2%-1.167.9%

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Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with STEM
STEM-61.0%761.3%0.37-
Sector ETF (XLU)9.6%17.3%0.415.5%
Equity (SPY)13.5%17.1%0.617.1%
Gold (GLD)16.8%18.2%0.751.5%
Commodities (DBC)8.4%19.4%0.33-7.4%
Real Estate (VNQ)2.8%18.8%0.057.8%
Bitcoin (BTCUSD)13.6%54.4%0.445.1%

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Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with STEM
STEM-29.5%717.9%0.39-
Sector ETF (XLU)9.4%19.2%0.425.1%
Equity (SPY)15.3%17.9%0.737.3%
Gold (GLD)12.5%16.1%0.641.4%
Commodities (DBC)6.7%18.0%0.29-6.9%
Real Estate (VNQ)5.7%20.7%0.247.8%
Bitcoin (BTCUSD)60.3%66.8%1.004.6%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date5292026
Short Interest: Shares Quantity1.0 Mil
Short Interest: % Change Since 5152026-11.5%
Average Daily Volume0.2 Mil
Days-to-Cover Short Interest5.4 days
Basic Shares Quantity8.5 Mil
Short % of Basic Shares11.2%

Earnings Returns History

Updated 6/9/2026
Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
5/6/2026-20.0%-17.6%-29.4%
3/4/202621.2%5.9%-13.8%
10/29/2025-26.7%-15.2%-27.7%
8/7/20252.2%18.1%8.4%
4/29/202530.3%20.6%11.5%
3/4/202513.1%-11.0%-25.6%
10/30/2024-21.6%-18.9%-18.5%
8/6/2024-40.8%-47.3%-54.1%
...
SUMMARY STATS   
# Positive965
# Negative101314
Median Positive12.7%13.4%11.5%
Median Negative-20.8%-17.6%-22.0%
Max Positive30.3%20.6%41.0%
Max Negative-40.8%-47.3%-54.1%

SEC Filings

Expand for More
Report DateFiling DateFiling
03/31/202605/07/202610-Q
12/31/202503/05/202610-K
09/30/202510/30/202510-Q
06/30/202508/08/202510-Q
03/31/202504/30/202510-Q
12/31/202403/05/202510-K
09/30/202410/31/202410-Q
06/30/202408/07/202410-Q
03/31/202405/03/202410-Q
12/31/202302/29/202410-K
09/30/202311/03/202310-Q
06/30/202308/04/202310-Q
03/31/202305/05/202310-Q
12/31/202202/17/202310-K
09/30/202211/04/202210-Q
06/30/202208/05/202210-Q

Recent Forward Guidance

Updated 6/1/2026

Latest: Q1 2026 Earnings Reported 5/6/2026

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
2026 Revenue140.00 Mil165.00 Mil190.00 Mil0 AffirmedGuidance: 165.00 Mil for 2026
2026 Software, services, & edge hardware revenue130.00 Mil140.00 Mil150.00 Mil0 AffirmedGuidance: 140.00 Mil for 2026
2026 Battery hardware resale revenue 40.00 Mil40.00 Mil0 AffirmedGuidance: 40.00 Mil for 2026
2026 Non-GAAP Gross Margin40.0%45.0%50.0%00AffirmedGuidance: 45.0% for 2026
2026 Adjusted EBITDA10.00 Mil12.50 Mil15.00 Mil0 AffirmedGuidance: 12.50 Mil for 2026
2026 Operating Cash Flow05.00 Mil10.00 Mil0 AffirmedGuidance: 5.00 Mil for 2026
2026 Year end ARR65.00 Mil67.50 Mil70.00 Mil0 AffirmedGuidance: 67.50 Mil for 2026

Prior: Q4 2025 Earnings Reported 3/4/2026

Forward GuidanceGuidance Change
MetricLowMidHigh% Chg% DeltaChangePrior
2026 Revenue140.00 Mil165.00 Mil190.00 Mil11.9% RaisedActual: 147.50 Mil for 2025
2026 Software, edge hardware, & services Revenue130.00 Mil140.00 Mil150.00 Mil5.7% RaisedActual: 132.50 Mil for 2025
2026 Battery hardware resale Revenue 40.00 Mil 100.0% RaisedActual: 20.00 Mil for 2025
2026 Non-GAAP Gross Margin40.0%45.0%50.0%0.0%0.0%AffirmedActual: 45.0% for 2025
2026 Adjusted EBITDA10.00 Mil12.50 Mil15.00 Mil  Higher NewActual: 0 for 2025
2026 Operating Cash Flow05.00 Mil10.00 Mil  Higher NewActual: 0 for 2025
2026 Year-end ARR65.00 Mil67.50 Mil70.00 Mil   
2026 Adjusted EBITDA Growth 85.0%    
2026 ARR Growth 10.0%    

Insider Activity

Updated 4/26/2026
Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Tappin, MatthewPresident, Software ProductsDirectSell313202610.834024,35430,573Form
2Tappin, MatthewPresident, Software ProductsDirectSell310202611.126557,28435,862Form
3Laureles, Saul RChief Legal OfficerDirectSell310202611.1294210,475305,244Form
4Carlson, Michael JamesPresident, Managed ServicesDirectSell310202611.122,07923,118216,373Form
5Narayanan, ArunChief Executive OfficerDirectSell310202611.125,14557,212144,338Form
Core Cache Last Updated: 6/14/2026