SIGA Technologies Inc (SIGA)
Healthcare
Drug Manufacturers - Specialty & Generic
3.30 $
+0.6%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns SIGA Technologies Inc (SIGA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 57.2% of the shares are freely tradable; institutional investors hold 49.9%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
49.9%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
42.8%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
57.2%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
7.4%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
72Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 4.87 | 3,494,193 | -2.6 | 03/31/2026 |
| Vanguard Group Inc | 3.80 | 2,723,750 | +2.6 | 12/31/2025 |
| Dimensional Fund Advisors, Inc. | 3.77 | 2,702,724 | +6.5 | 03/31/2026 |
| AltraVue Capital, LLC | 3.39 | 2,432,024 | +1.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 2.39 | 1,714,380 | +0.0 | 03/31/2026 |
| Arrowstreet Capital Limited Partnership | 2.13 | 1,525,960 | +48.9 | 03/31/2026 |
| American Century Companies Inc | 1.84 | 1,317,784 | +13.1 | 03/31/2026 |
| Geode Capital Management, LLC | 1.83 | 1,315,545 | +30.9 | 03/31/2026 |
| AQR Capital Management LLC | 1.70 | 1,219,677 | +39.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Avantis US Small Cap Value ETF | 1.75 | 1,253,944 | +0.1 | 05/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.