Tearsheet

SunPower (SPWR)


Market Price (12/5/2025): $1.63 | Market Cap: $131.7 Mil
Sector: Information Technology | Industry: Semiconductors

SunPower (SPWR)


Market Price (12/5/2025): $1.63
Market Cap: $131.7 Mil
Sector: Information Technology
Industry: Semiconductors

Investment Highlights Why It Matters Which of these 2 stories sounds closer for this stock?

1. Generates cash flow

The stock generated 4% or more of the share price (called cash flow yield), and shows moderate 10-15% or more growth.

2. Riding a trend

Think Tesla during the pandemic of 2020 when EVs were riding a cultural high, or Nvidia in the current AI boom, or even Figma. These companies don’t have enough yield, or, enough growth, or both - however - they are riding a trend. They have momentum. These can be more volatile - they don’t have the floor of strong cash flow


0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 308%
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 16%
Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -53 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -22%
1 Megatrend and thematic drivers
Megatrends include Renewable Energy Transition, and Smart Grids & Grid Modernization. Themes include Solar Energy Generation, Battery Storage & Grid Modernization, Show more.
  Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 99%
2   Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -22%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -22%
3   Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -35%
0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 308%
1 Megatrend and thematic drivers
Megatrends include Renewable Energy Transition, and Smart Grids & Grid Modernization. Themes include Solar Energy Generation, Battery Storage & Grid Modernization, Show more.
2 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 16%
3 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -53 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -22%
4 Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 99%
5 Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -22%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -22%
6 Yield minus risk free rate is negative
ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -35%

Valuation, Metrics & Events

SPWR Stock


Why The Stock Moved


Qualitative Assessment

AI Generated Analysis | Feedback

The public company SunPower (SPWR) experienced a 6.6% stock movement from approximately August 31, 2025, to December 5, 2025, driven by several key developments: 1. Strategic Acquisitions Expanding Market Presence. SunPower significantly bolstered its market position through key acquisitions during this period. In late September 2025, the company completed its acquisition of Sunder Energy, which was a transformative deal positioning SunPower as the fifth-largest residential solar provider in the U.S. and was expected to more than double Q4 2025 bookings. This expansion continued with the signing of a Letter of Intent to acquire Ambia Solar on November 11, 2025, and the subsequent completion of the $37.5 million acquisition in late November 2025, further solidifying its top-five ranking and leading to increased revenue estimates. 2. Strong Financial Performance and Upgraded Outlook. The company reported a significant financial turnaround, announcing a record operating profit of $3.12 million on $70.0 million in revenue for Q3 2025. This marked its third consecutive profitable quarter after four years of losses. Furthermore, SunPower projected continued growth, forecasting additional revenue and profit records for Q4 2025. Following the Ambia acquisition, the Q4 2025 revenue estimate was revised upwards to $88 million, with expectations of at least $2 million in operating income in Q1 2026, indicating sustained profitability.

Show more

Stock Movement Drivers

Return vs. Risk


Price Returns Compared

 202020212022202320242025Total [1]
Returns
SPWR Return------ 
Peers Return179%-19%11%-18%-34%70%132%
S&P 500 Return16%27%-19%24%23%17%112%

Monthly Win Rates [3]
SPWR Win Rate-----50% 
Peers Win Rate58%25%38%31%29%56% 
S&P 500 Win Rate58%75%42%67%75%70% 

Max Drawdowns [4]
SPWR Max Drawdown------ 
Peers Max Drawdown-28%-30%-27%-37%-40%-21% 
S&P 500 Max Drawdown-31%-1%-25%-1%-2%-15% 


[1] Cumulative total returns since the beginning of 2020
[2] Peers: FSLR, RUN, SEDG, AMBQ, GLSA. See SPWR Returns vs. Peers.
[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] 2025 data is for the year up to 12/4/2025 (YTD)

How Low Can It Go

SPWR has limited trading history. Below is the Information Technology sector ETF (XLK) in its place.

Unique KeyEventXLKS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-34.0%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven51.6%34.1%
2022 Inflation ShockTime to BreakevenTime to Breakeven278 days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-31.5%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven46.0%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven79 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-24.1%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven31.8%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven105 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-53.6%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven115.3%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven1183 days1480 days

Compare to


In The Past

SPDR Select Sector Fund's stock fell -34.0% during the 2022 Inflation Shock from a high on 12/27/2021. A -34.0% loss requires a 51.6% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth over time.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About SunPower (SPWR)

Better Bets than SunPower (SPWR)

Trade Ideas

Select past ideas related to SPWR. For more, see Trefis Trade Ideas.

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
ENPH_11302025_Dip_Buyer_High_CFO_Margins_ExInd_DE11302025ENPHEnphase EnergyDip BuyDB | CFO/Rev | Low D/EDip Buy with High Cash Flow Margins
Buying dips for companies with significant cash flows from operations and reasonable debt / market cap
1.9%1.9%-0.9%
PD_11262025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11262025PDPagerDutyDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
3.7%3.7%0.0%
CRM_11212025_Dip_Buyer_FCFYield11212025CRMSalesforceDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
5.1%5.1%-0.1%
HUBS_11212025_Dip_Buyer_High_CFO_Margins_ExInd_DE11212025HUBSHubSpotDip BuyDB | CFO/Rev | Low D/EDip Buy with High Cash Flow Margins
Buying dips for companies with significant cash flows from operations and reasonable debt / market cap
5.5%5.5%0.0%
FIVN_11212025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11212025FIVNFive9Dip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
8.0%8.0%0.0%
Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
ENPH_11302025_Dip_Buyer_High_CFO_Margins_ExInd_DE11302025ENPHEnphase EnergyDip BuyDB | CFO/Rev | Low D/EDip Buy with High Cash Flow Margins
Buying dips for companies with significant cash flows from operations and reasonable debt / market cap
1.9%1.9%-0.9%
PD_11262025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11262025PDPagerDutyDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
3.7%3.7%0.0%
CRM_11212025_Dip_Buyer_FCFYield11212025CRMSalesforceDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
5.1%5.1%-0.1%
HUBS_11212025_Dip_Buyer_High_CFO_Margins_ExInd_DE11212025HUBSHubSpotDip BuyDB | CFO/Rev | Low D/EDip Buy with High Cash Flow Margins
Buying dips for companies with significant cash flows from operations and reasonable debt / market cap
5.5%5.5%0.0%
FIVN_11212025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11212025FIVNFive9Dip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
8.0%8.0%0.0%

Recent Active Movers

Recent Active Movers

More From Trefis

Peer Comparisons for SunPower

Peers to compare with:

Financials

SPWRFSLRRUNSEDGAMBQGLSAMedian
NameSunPower First So.Sunrun SolarEdg.Ambiq Mi.Green So. 
Mkt Price1.61257.2818.3531.9427.99-27.99
Mkt Cap0.127.64.21.9--3.1
Rev LTM2444,3432,3171,04569-1,045
Op Inc LTM-531,362-358-471-38--53
FCF LTM-54-943-3,66163-21--54
FCF 3Y Avg--557-3,443-229---557
CFO LTM-54299-77789-16--16
CFO 3Y Avg-762-803-110---110

Growth & Margins

SPWRFSLRRUNSEDGAMBQGLSAMedian
NameSunPower First So.Sunrun SolarEdg.Ambiq Mi.Green So. 
Rev Chg LTM308.5%15.4%13.8%2.4%--14.6%
Rev Chg 3Y Avg-20.6%3.3%-13.6%--3.3%
Rev Chg Q1,403.2%8.6%34.9%44.5%--39.7%
QoQ Delta Rev Chg LTM34.7%2.0%8.8%11.1%--10.0%
Op Mgn LTM-21.7%31.3%-15.4%-45.1%-54.6%--21.7%
Op Mgn 3Y Avg-49.6%22.9%-27.1%-57.7%---38.3%
QoQ Delta Op Mgn LTM11.3%-0.9%7.5%95.1%--9.4%
CFO/Rev LTM-22.1%6.9%-33.5%8.6%-22.6%--22.1%
CFO/Rev 3Y Avg-21.7%-35.7%-12.5%---12.5%
FCF/Rev LTM-22.2%-21.7%-158.0%6.0%-29.7%--22.2%
FCF/Rev 3Y Avg--14.8%-154.2%-19.9%---19.9%

Valuation

SPWRFSLRRUNSEDGAMBQGLSAMedian
NameSunPower First So.Sunrun SolarEdg.Ambiq Mi.Green So. 
Mkt Cap0.127.64.21.9--3.1
P/S0.65.41.72.1--1.9
P/EBIT-7.517.1-1.2-3.2---2.2
P/E-3.318.8-1.6-3.9---2.5
P/CFO-2.879.1-5.124.5--10.9
Total Yield-30.4%5.3%-61.8%-25.6%---28.0%
Dividend Yield0.0%0.0%0.0%0.0%--0.0%
FCF Yield 3Y Avg--2.6%-99.4%-15.8%---15.8%
D/E1.10.03.70.2--0.6
Net D/E1.0-0.03.5-0.0--0.5

Returns

SPWRFSLRRUNSEDGAMBQGLSAMedian
NameSunPower First So.Sunrun SolarEdg.Ambiq Mi.Green So. 
1M Rtn-0.6%-2.1%-3.7%0.4%1.6%--0.6%
3M Rtn5.9%27.4%11.7%-6.5%-31.0%-5.9%
6M Rtn-7.5%57.0%119.0%80.0%--68.5%
12M Rtn-27.6%71.3%127.2%--71.3%
3Y Rtn-53.9%-40.9%-89.8%---40.9%
1M Excs Rtn-1.9%-3.3%-5.0%-0.9%0.4%--1.9%
3M Excs Rtn1.5%19.6%-4.9%-13.0%-24.5%--4.9%
6M Excs Rtn-22.9%41.6%103.5%64.6%--53.1%
12M Excs Rtn-10.3%43.8%87.6%--43.8%
3Y Excs Rtn--14.3%-113.6%-162.3%---113.6%

Financials

Short Interest

Short Interest: As Of Date11142025
Short Interest: Shares Quantity12,606,087
Short Interest: % Change Since 10312025-2.2%
Average Daily Volume1,820,423
Days-to-Cover Short Interest6.92
Basic Shares Quantity80,827,976
Short % of Basic Shares15.6%

SEC Filings

Expand for More

Report DateFiling DateFiling
6302025813202510-Q 6/29/2025
3312025519202510-Q 3/30/2025
12312024430202510-K 12/29/2024
93020241118202410-Q 9/29/2024
6302024814202410-Q 6/30/2024
3312024515202410-Q 3/31/2024
12312023401202410-K 12/31/2023
93020231114202310-Q 10/1/2023
33120236272023S-4/A 4/2/2023
123120224102023S-4/A 12/31/2022

Insider Activity

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 OwnerTitleFiling DateActionPriceSharesTransacted
Value
Value of
Held Shares
Form
0Gishen Adam10282025Sell2.0410,00020,400224,398Form