NEW YORK, NY
SIGA TECHNOLOGIES INCSIGA— Latest position per institution from SEC 13F filings
15
Institutional holders
30.22M
Total shares held
171.21M
Estimated value
1.51M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
3.91M
Value
29.71M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
3.49M
Value
18.69M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.72M
Value
16.64M
Filed
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
2.70M
Value
14.46M
Filed
Mar 31, 2026
ALTRAVUE CAPITAL, LLC
CIK 1740837
Shares
2.43M
Value
13.01M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.71M
Value
9.17M
Filed
Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
1.53M
Value
8.16M
Filed
Mar 31, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
1.32M
Value
7.05M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.32M
Value
7.04M
Filed
Mar 31, 2026
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
1.22M
Value
6.53M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
1.01M
Value
5.41M
Filed
Mar 31, 2026
JUPITER ASSET MANAGEMENT LTD
CIK 1215838
Shares
990.65K
Value
6.05M
Filed
Dec 31, 2025
VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.
CIK 1367401
Shares
924.81K
Value
6.24M
Filed
Sep 30, 2024
FIRST WILSHIRE SECURITIES MANAGEMENT INC
CIK 732847
Shares
890.50K
Value
4.76M
Filed
Mar 31, 2026
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
CIK 1164833
Shares
827.05K
Value
4.42M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
705.14K
Value
3.77M
Filed
Mar 31, 2026
ROYCE & ASSOCIATES LP
CIK 906304
Shares
667.65K
Value
3.57M
Filed
Mar 31, 2026
CSM ADVISORS, LLC
CIK 1863523
Shares
627.87K
Value
3.83K
Filed
Dec 31, 2025
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
624.90K
Value
3.34M
Filed
Mar 31, 2026
NEW YORK STATE COMMON RETIREMENT FUND
CIK 810265
Shares
590.76K
Value
3.16M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 3.91M | 29.71M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 3.49M | 18.69M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 2.72M | 16.64M | Dec 31, 2025 |
| 4 | DIMENSIONAL FUND ADVISORS LP | 354204 | 2.70M | 14.46M | Mar 31, 2026 |
| 5 | ALTRAVUE CAPITAL, LLC | 1740837 | 2.43M | 13.01M | Mar 31, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.71M | 9.17M | Mar 31, 2026 |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 1.53M | 8.16M | Mar 31, 2026 |
| 8 | AMERICAN CENTURY COMPANIES INC | 748054 | 1.32M | 7.05M | Mar 31, 2026 |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.32M | 7.04M | Mar 31, 2026 |
| 10 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 1.22M | 6.53M | Mar 31, 2026 |
| 11 | STATE STREET CORP | 93751 | 1.01M | 5.41M | Mar 31, 2026 |
| 12 | JUPITER ASSET MANAGEMENT LTD | 1215838 | 990.65K | 6.05M | Dec 31, 2025 |
| 13 | VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 1367401 | 924.81K | 6.24M | Sep 30, 2024 |
| 14 | FIRST WILSHIRE SECURITIES MANAGEMENT INC | 732847 | 890.50K | 4.76M | Mar 31, 2026 |
| 15 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 1164833 | 827.05K | 4.42M | Mar 31, 2026 |
| 16 | CITADEL ADVISORS LLC | 1423053 | 705.14K | 3.77M | Mar 31, 2026 |
| 17 | ROYCE & ASSOCIATES LP | 906304 | 667.65K | 3.57M | Mar 31, 2026 |
| 18 | CSM ADVISORS, LLC | 1863523 | 627.87K | 3.83K | Dec 31, 2025 |
| 19 | GOLDMAN SACHS GROUP INC | 886982 | 624.90K | 3.34M | Mar 31, 2026 |
| 20 | NEW YORK STATE COMMON RETIREMENT FUND | 810265 | 590.76K | 3.16M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.