Q3 2025 13F Holders as of 9/30/2025
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Type / Class
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Equity / Common Stock
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Shares outstanding
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72.1M
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Number of holders
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194
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Total 13F shares, excl. options
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34M
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Shares change
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-472K
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Total reported value, excl. options
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$311M
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Value change
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-$1.87M
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Put/Call ratio
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0.31
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Number of buys
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102
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Number of sells
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-73
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Price
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$9.15
Significant Holders of SIGA TECHNOLOGIES INC - Common Stock (SIGA) as of Q3 2025
217 filings reported holding SIGA - SIGA TECHNOLOGIES INC - Common Stock as of Q3 2025.
SIGA TECHNOLOGIES INC - Common Stock (SIGA) has 194 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 34M shares
of 72.1M outstanding shares and own 47.12% of the company stock.
Largest 10 shareholders include BlackRock, Inc. (3.53M shares), VANGUARD GROUP INC (2.66M shares), DIMENSIONAL FUND ADVISORS LP (2.43M shares), AltraVue Capital, LLC (2.42M shares), AMERICAN CENTURY COMPANIES INC (1.23M shares), CITADEL ADVISORS LLC (1.13M shares), STATE STREET CORP (1.03M shares), GEODE CAPITAL MANAGEMENT, LLC (998K shares), JUPITER ASSET MANAGEMENT LTD (991K shares), and ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (835K shares).
This table shows the top 194 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.