Tearsheet

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 Megatrend and thematic drivers
Megatrends include Precision Medicine, and Aging Population & Chronic Disease. Themes include Targeted Therapies, Biopharmaceutical R&D, Show more.
Very low revenue
Rev LTMTotal Revenue or Sales, Last Twelve Months is 0
1  Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -138 Mil
2  Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 89%
3  Stock price has recently run up significantly
6M Rtn6 month market price return is 218%
4  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 -74%
5  High stock price volatility
Vol 12M is 185%
6  Significant 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 23%
0 Megatrend and thematic drivers
Megatrends include Precision Medicine, and Aging Population & Chronic Disease. Themes include Targeted Therapies, Biopharmaceutical R&D, Show more.
1 Very low revenue
Rev LTMTotal Revenue or Sales, Last Twelve Months is 0
2 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -138 Mil
3 Debt is significant
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is 89%
4 Stock price has recently run up significantly
6M Rtn6 month market price return is 218%
5 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 -74%
6 High stock price volatility
Vol 12M is 185%
7 Significant 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 23%

Valuation, Metrics & Events

OMER Stock


Why The Stock Moved


Qualitative Assessment

AI Generated Analysis | Feedback

Here are the key points explaining the significant movement in Omeros (OMER) stock for the approximate time period from August 31, 2025, to December 4, 2025: 1. Advancement in Narsoplimab Regulatory Pathway: The U.S. Food and Drug Administration (FDA) accepted Omeros' resubmitted Biologics License Application (BLA) for narsoplimab, targeting hematopoietic stem cell transplant-associated thrombotic microangiopathy (TA-TMA), and set a Prescription Drug User Fee Act (PDUFA) date of December 26, 2025. This progress, including the validation of a Marketing Authorization Application by the European Medicines Agency (EMA), has fueled investor optimism regarding potential market approval and commercialization.

2. Strategic Asset Sale and Licensing Agreement: On December 1, 2025, Omeros announced the closing of a significant asset sale and licensing transaction with Novo Nordisk for zaltenibart (formerly OMS906), a clinical-stage MASP-3 inhibitor. This deal likely provided a substantial financial boost and validation for Omeros' pipeline.

Show more

Stock Movement Drivers

Return vs. Risk


Price Returns Compared

 202020212022202320242025Total [1]
Returns
OMER Return1%-55%-65%45%202%-5%-33%
Peers Return130%-26%-37%-43%2%19%-25%
S&P 500 Return16%27%-19%24%23%16%112%

Monthly Win Rates [3]
OMER Win Rate42%33%42%58%50%30% 
Peers Win Rate35%42%37%35%42%52% 
S&P 500 Win Rate58%75%42%67%75%70% 

Max Drawdowns [4]
OMER Max Drawdown-36%-60%-73%-52%-12%-70% 
Peers Max Drawdown-47%-36%-63%-61%-61%-65% 
S&P 500 Max Drawdown-31%-1%-25%-1%-2%-15% 


[1] Cumulative total returns since the beginning of 2020
[2] Peers: QURE, LXRX, MCRB, CUE, ACSB. See OMER 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 12/3/2025 (YTD)

How Low Can It Go

Unique KeyEventOMERS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-95.4%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven2078.7%34.1%
2022 Inflation ShockTime to BreakevenTime to BreakevenNot Fully Recovered days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-55.1%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven122.8%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven127 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-66.1%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven195.3%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven194 days120 days

Compare to QURE, LXRX, MCRB, CUE, ACSB


In The Past

Omeros's stock fell -95.4% during the 2022 Inflation Shock from a high on 2/19/2021. A -95.4% loss requires a 2078.7% 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 Omeros (OMER)

Better Bets than Omeros (OMER)

Trade Ideas

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

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
CRL_11142025_Dip_Buyer_FCFYield11142025CRLCharles River Laboratories InternationalDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
4.1%4.1%-3.7%
GDRX_11142025_Dip_Buyer_High_CFO_Margins_ExInd_DE11142025GDRXGoodRxDip 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
-9.8%-9.8%-11.8%
ASTH_11142025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11142025ASTHAstrana HealthDip 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
6.0%6.0%-5.5%
SGRY_11142025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11142025SGRYSurgery PartnersDip 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
9.7%9.7%-1.4%
TFX_11072025_Dip_Buyer_FCFYield11072025TFXTeleflexDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
6.2%6.2%-5.1%
Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
CRL_11142025_Dip_Buyer_FCFYield11142025CRLCharles River Laboratories InternationalDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
4.1%4.1%-3.7%
GDRX_11142025_Dip_Buyer_High_CFO_Margins_ExInd_DE11142025GDRXGoodRxDip 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
-9.8%-9.8%-11.8%
ASTH_11142025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11142025ASTHAstrana HealthDip 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
6.0%6.0%-5.5%
SGRY_11142025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11142025SGRYSurgery PartnersDip 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
9.7%9.7%-1.4%
TFX_11072025_Dip_Buyer_FCFYield11072025TFXTeleflexDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
6.2%6.2%-5.1%

Recent Active Movers

Recent Active Movers

More From Trefis

Peer Comparisons for Omeros

Peers to compare with:

Financials

OMERQURELXRXMCRBCUEACSBMedian
NameOmeros uniQure Lexicon .Seres Th.Cue Biop.Acesis  
Mkt Price10.6225.481.4017.440.56-10.62
Mkt Cap0.61.40.50.20.1-0.5
Rev LTM0147108-8
Op Inc LTM-138-164-67-103-39--103
FCF LTM-119-183-73-23-28--73
FCF 3Y Avg-61-182-138-105-35--105
CFO LTM-119-173-72-23-28--72
CFO 3Y Avg-61-172-138-101-35--101

Growth & Margins

OMERQURELXRXMCRBCUEACSBMedian
NameOmeros uniQure Lexicon .Seres Th.Cue Biop.Acesis  
Rev Chg LTM--48.3%1,255.2%--0.1%--0.1%
Rev Chg 3Y Avg--14.3%821.6%-93.1%-93.1%
Rev Chg Q--52.7%710.4%-11.1%-11.1%
QoQ Delta Rev Chg LTM--29.0%21.3%-3.7%-3.7%
Op Mgn LTM--1,140.5%-94.4%--476.3%--476.3%
Op Mgn 3Y Avg--722.7%-11,125.6%--1,336.8%--1,336.8%
QoQ Delta Op Mgn LTM--325.1%108.2%-39.5%-39.5%
CFO/Rev LTM--1,209.7%-101.8%--339.6%--339.6%
CFO/Rev 3Y Avg--599.4%-9,702.7%--987.4%--987.4%
FCF/Rev LTM--1,273.4%-102.4%--341.8%--341.8%
FCF/Rev 3Y Avg--632.4%-9,812.6%--989.9%--989.9%

Valuation

OMERQURELXRXMCRBCUEACSBMedian
NameOmeros uniQure Lexicon .Seres Th.Cue Biop.Acesis  
Mkt Cap0.61.40.50.20.1-0.5
P/S-53.36.9-7.9-7.9
P/EBIT-1.4-5.7-8.4-3.9-1.7--3.9
P/E-1.4-3.8-7.231.2-1.7--1.7
P/CFO-1.5-4.4-6.8-7.3-2.3--4.4
Total Yield-69.7%-26.0%-14.0%3.2%-59.7%--26.0%
Dividend Yield0.0%0.0%0.0%0.0%0.0%-0.0%
FCF Yield 3Y Avg-35.8%-40.2%-34.0%-1,026.9%-43.1%--40.2%
D/E1.00.10.10.50.1-0.1
Net D/E0.9-0.4-0.10.2-0.3--0.1

Returns

OMERQURELXRXMCRBCUEACSBMedian
NameOmeros uniQure Lexicon .Seres Th.Cue Biop.Acesis  
1M Rtn48.1%-25.7%2.9%14.4%-21.8%-2.9%
3M Rtn154.1%46.6%29.6%-5.7%-29.2%-29.6%
6M Rtn218.0%70.3%111.8%144.6%-9.5%-111.8%
12M Rtn-4.0%297.5%96.4%-0.5%-50.8%--0.5%
3Y Rtn418.0%-2.1%-38.1%-87.8%-85.8%--38.1%
1M Excs Rtn48.1%-25.7%3.0%14.5%-21.8%-3.0%
3M Excs Rtn148.7%38.4%25.5%-12.6%-33.9%-25.5%
6M Excs Rtn203.2%55.6%97.0%129.9%-24.2%-97.0%
12M Excs Rtn-20.0%313.3%60.6%-24.6%-67.6%--20.0%
3Y Excs Rtn314.4%-79.5%-103.5%-160.4%-156.9%--103.5%

Financials

Segment Financials

Revenue by Segment

$ Mil20242023202220212020
Product sales, net    112
Total    112


Operating Income by Segment
$ Mil20242023202220212020
Research, discovery, development and commercialization of small-molecule and protein therapeutics -163-174  
Total -163-174  


Assets by Segment
$ Mil20242023202220212020
Research, discovery, development and commercialization of small-molecule and protein therapeutics378  181 
Total378  181 


Price Behavior

Short Interest

Short Interest: As Of Date11142025
Short Interest: Shares Quantity13,353,498
Short Interest: % Change Since 103120259.9%
Average Daily Volume1,715,015
Days-to-Cover Short Interest7.79
Basic Shares Quantity58,585,083
Short % of Basic Shares22.8%

SEC Filings

Expand for More

Report DateFiling DateFiling
6302025814202510-Q 6/30/2025
3312025515202510-Q 3/31/2025
12312024331202510-K 12/31/2024
93020241113202410-Q 9/30/2024
6302024807202410-Q 6/30/2024
3312024515202410-Q 3/31/2024
12312023401202410-K 12/31/2023
93020231109202310-Q 9/30/2023
6302023809202310-Q 6/30/2023
3312023509202310-Q 3/31/2023
12312022313202310-K 12/31/2022
93020221109202210-Q 9/30/2022
6302022809202210-Q 6/30/2022
3312022510202210-Q 3/31/2022
12312021301202210-K 12/31/2021
93020211109202110-Q 9/30/2021