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SIGA Technologies (SIGA)


Market Price (12/4/2025): $6.21 | Market Cap: $444.7 Mil
Sector: Health Care | Industry: Pharmaceuticals

SIGA Technologies (SIGA)


Market Price (12/4/2025): $6.21
Market Cap: $444.7 Mil
Sector: Health Care
Industry: Pharmaceuticals

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 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 11%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 7.2%, FCF Yield is 18%
Weak multi-year price returns
2Y Excs Rtn is -12%, 3Y Excs Rtn is -84%
Weak revenue growth
Rev Chg QQuarterly Revenue Change % is -74%
1 Cash is significant % of market cap
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is -26%
  
2 Attractive operating margins
Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is 52%
  
3 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 68%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 68%
  
4 Megatrend and thematic drivers
Megatrends include Biotechnology & Genomics. Themes include Antiviral Drug Development, and Biodefense & Pandemic Preparedness.
  
0 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 11%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 7.2%, FCF Yield is 18%
1 Cash is significant % of market cap
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is -26%
2 Attractive operating margins
Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is 52%
3 Attractive cash flow generation
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is 68%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is 68%
4 Megatrend and thematic drivers
Megatrends include Biotechnology & Genomics. Themes include Antiviral Drug Development, and Biodefense & Pandemic Preparedness.
5 Weak multi-year price returns
2Y Excs Rtn is -12%, 3Y Excs Rtn is -84%
6 Weak revenue growth
Rev Chg QQuarterly Revenue Change % is -74%

Valuation, Metrics & Events

SIGA Stock


Why The Stock Moved


Qualitative Assessment

AI Generated Analysis | Feedback

Here are five key points explaining the approximate -25.6% movement in SIGA Technologies (SIGA) stock between August 31, 2025, and December 4, 2025: 1. Sharp Drop in Q3 2025 Revenue and Net Loss

SIGA Technologies reported a substantial decrease in quarterly revenue to US$2.62 million for the third quarter of 2025, resulting in a net loss of US$6.37 million, a significant downturn compared to a profit in the same period of the previous year. This news directly led to a stock decline of over 20% on the day of the announcement. 2. Decline in TPOXX Sales

The sharp revenue drop in Q3 2025 was primarily attributed to a significant decline in sales of TPOXX, the company's main antiviral treatment. This emphasized the company's dependence on government procurement cycles and international regulatory progress, highlighting the volatility in these sales.

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Stock Movement Drivers

Return vs. Risk


Price Returns Compared

 202020212022202320242025Total [1]
Returns
SIGA Return52%3%4%-18%15%9%70%
Peers Return7%30%20%-3%7%16%99%
S&P 500 Return16%27%-19%24%23%16%112%

Monthly Win Rates [3]
SIGA Win Rate58%50%33%50%58%60% 
Peers Win Rate47%55%63%38%47%54% 
S&P 500 Win Rate58%75%42%67%75%70% 

Max Drawdowns [4]
SIGA Max Drawdown-16%-21%-21%-36%-19%-13% 
Peers Max Drawdown-22%-7%-11%-23%-10%-17% 
S&P 500 Max Drawdown-31%-1%-25%-1%-2%-15% 


[1] Cumulative total returns since the beginning of 2020
[2] Peers: LLY, JNJ, MRK, PFE, BMY.
[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 KeyEventSIGAS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-83.5%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven505.3%34.1%
2022 Inflation ShockTime to BreakevenTime to BreakevenNot Fully Recovered days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-26.9%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven36.8%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven29 days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-48.0%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven92.2%24.7%
2018 CorrectionTime to BreakevenTime to Breakeven709 days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-66.4%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven197.9%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven387 days1480 days

Compare to LLY, JNJ, MRK, PFE, BMY


In The Past

SIGA Technologies's stock fell -83.5% during the 2022 Inflation Shock from a high on 8/15/2022. A -83.5% loss requires a 505.3% gain to breakeven.

Preserve Wealth

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Asset Allocation

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About SIGA Technologies (SIGA)

Better Bets than SIGA Technologies (SIGA)

Latest Trefis Analyses

Title
0ARTICLES

Trade Ideas

Select past ideas related to SIGA. 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 SIGA Technologies

Peers to compare with:

Financials

SIGALLYJNJMRKPFEBMYMedian
NameSIGA Tec.Eli LillyJohnson .Merck Pfizer Bristol-. 
Mkt Price6.241,033.56205.33102.2725.5750.9676.61
Mkt Cap0.4928.0494.5255.2145.4103.8200.3
Rev LTM17253,25892,14964,23562,78648,03458,022
Op Inc LTM9022,88224,14622,39115,41711,42018,904
FCF LTM116-5018,67913,04910,37615,30211,712
FCF 3Y Avg65-15617,81413,6858,92713,59811,262
CFO LTM11710,93824,20417,06513,07716,62114,849
CFO 3Y Avg657,23023,20917,50612,12714,84613,487

Growth & Margins

SIGALLYJNJMRKPFEBMYMedian
NameSIGA Tec.Eli LillyJohnson .Merck Pfizer Bristol-. 
Rev Chg LTM-0.9%36.8%5.1%1.7%3.9%1.3%2.8%
Rev Chg 3Y Avg104.9%23.4%6.1%2.9%-13.2%1.0%4.5%
Rev Chg Q-73.8%37.6%6.8%3.7%-5.9%2.8%3.2%
QoQ Delta Rev Chg LTM-4.1%8.7%1.7%1.0%-1.6%0.7%0.8%
Op Mgn LTM52.4%43.0%26.2%34.9%24.6%23.8%30.5%
Op Mgn 3Y Avg28.1%35.6%26.4%23.7%19.4%19.0%25.1%
QoQ Delta Op Mgn LTM-3.8%1.8%1.7%3.7%-1.4%2.9%1.7%
CFO/Rev LTM67.7%20.5%26.3%26.6%20.8%34.6%26.4%
CFO/Rev 3Y Avg43.6%17.8%26.4%28.2%18.9%31.7%27.3%
FCF/Rev LTM67.5%-0.1%20.3%20.3%16.5%31.9%20.3%
FCF/Rev 3Y Avg43.6%0.5%20.3%22.0%13.9%29.0%21.1%

Valuation

SIGALLYJNJMRKPFEBMYMedian
NameSIGA Tec.Eli LillyJohnson .Merck Pfizer Bristol-. 
Mkt Cap0.4928.0494.5255.2145.4103.8200.3
P/S3.812.94.83.32.31.93.5
P/EBIT7.338.613.89.112.29.210.7
P/E8.849.617.811.014.715.215.0
P/CFO5.662.618.412.311.15.511.7
Total Yield11.4%2.7%8.4%13.0%13.5%12.0%11.7%
Dividend Yield0.0%0.7%2.7%3.9%6.7%5.4%3.3%
FCF Yield 3Y Avg11.5%0.1%4.4%5.5%5.5%13.2%5.5%
D/E0.00.10.10.20.40.60.2
Net D/E-0.30.10.10.10.30.40.1

Returns

SIGALLYJNJMRKPFEBMYMedian
NameSIGA Tec.Eli LillyJohnson .Merck Pfizer Bristol-. 
1M Rtn-23.9%15.5%10.9%24.0%3.7%10.7%10.8%
3M Rtn-27.5%40.3%16.1%22.7%5.0%8.8%12.4%
6M Rtn1.5%35.5%35.9%33.3%13.2%9.2%23.2%
12M Rtn3.8%28.0%38.9%4.1%7.3%-8.9%5.7%
3Y Rtn-7.5%182.4%25.7%1.6%-40.3%-28.3%-2.9%
1M Excs Rtn-23.9%15.5%11.0%24.0%3.7%10.8%10.9%
3M Excs Rtn-31.8%34.0%10.2%17.5%0.7%5.3%7.8%
6M Excs Rtn-13.3%20.7%21.1%18.6%-1.6%-5.6%8.5%
12M Excs Rtn-18.9%17.4%23.0%-9.2%-8.9%-23.2%-9.1%
3Y Excs Rtn-83.7%116.6%-46.0%-69.7%-111.4%-99.3%-76.7%

Financials

Segment Financials

Revenue by Segment

$ Mil20242023202220212020
Sale of the Company’s Oral and IV TPOXX® as well as research and development services14011113412527
Total14011113412527


Price Behavior

Short Interest

Short Interest: As Of Date11142025
Short Interest: Shares Quantity3,118,171
Short Interest: % Change Since 1031202510.2%
Average Daily Volume552,495
Days-to-Cover Short Interest5.64
Basic Shares Quantity71,604,956
Short % of Basic Shares4.4%

SEC Filings

Expand for More

Report DateFiling DateFiling
93020251106202510-Q 9/30/2025
6302025805202510-Q 6/30/2025
3312025508202510-Q 3/31/2025
12312024311202510-K 12/31/2024
93020241107202410-Q 9/30/2024
6302024801202410-Q 6/30/2024
3312024507202410-Q 3/31/2024
12312023312202410-K 12/31/2023
93020231107202310-Q 9/30/2023
6302023808202310-Q 6/30/2023
3312023504202310-Q 3/31/2023
12312022302202310-K 12/31/2022
93020221103202210-Q 9/30/2022
6302022804202210-Q 6/30/2022
3312022505202210-Q 3/31/2022
12312021303202210-K 12/31/2021