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Siga Technologies Inc

SIGA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001010086

No open-market purchases or sales by Siga Technologies Inc insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $127.0M in total; no superinvestor holds it.

13F holders, Q3 2023

Institutional positions in Siga Technologies Inc as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
129
−2 vs. Q2 2023
Shares held
34.4M
+1.22M (+3.7%) vs. Q2 2023
Total value
$180.8M
+$12.7M (+7.6%) vs. Q2 2023
New holders
21
44 more added
Sold out
23
40 more reduced

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SIGA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 129 institutions
Q1 2021: 105 institutionsQ2 2021: 102 institutionsQ3 2021: 104 institutionsQ4 2021: 116 institutionsQ1 2022: 110 institutionsQ2 2022: 142 institutionsQ3 2022: 155 institutionsQ4 2022: 160 institutionsQ1 2023: 142 institutionsQ2 2023: 131 institutionsQ3 2023: 129 institutionsQ4 2023: 131 institutionsQ1 2024: 144 institutionsQ2 2024: 151 institutionsQ3 2024: 169 institutionsQ4 2024: 170 institutionsQ1 2025: 167 institutionsQ2 2025: 178 institutionsQ3 2025: 197 institutionsQ4 2025: 200 institutionsQ1 2026: 183 institutionsQ2 2026: 161 institutions
Value heldQ3 2023: $180.8M
Q1 2021: $139.8MQ2 2021: $128.2MQ3 2021: $159.6MQ4 2021: $166.7MQ1 2022: $150.5MQ2 2022: $302.3MQ3 2022: $296.8MQ4 2022: $227.9MQ1 2023: $182.1MQ2 2023: $168.1MQ3 2023: $180.8MQ4 2023: $190.9MQ1 2024: $288.1MQ2 2024: $256.6MQ3 2024: $240.7MQ4 2024: $208.0MQ1 2025: $192.5MQ2 2025: $224.8MQ3 2025: $311.0MQ4 2025: $219.1MQ1 2026: $184.0MQ2 2026: $127.0M
Institutions holding SIGA and their total value by quarter
QuarterHoldersValue
Q2 2026161$127.0M
Q1 2026183$184.0M
Q4 2025200$219.1M
Q3 2025197$311.0M
Q2 2025178$224.8M
Q1 2025167$192.5M
Q4 2024170$208.0M
Q3 2024169$240.7M
Q2 2024151$256.6M
Q1 2024144$288.1M
Q4 2023131$190.9M
Q3 2023129$180.8M
Q2 2023131$168.1M
Q1 2023142$182.1M
Q4 2022160$227.9M
Q3 2022155$296.8M
Q2 2022142$302.3M
Q1 2022110$150.5M
Q4 2021116$166.7M
Q3 2021104$159.6M
Q2 2021102$128.2M
Q1 2021105$139.8M

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q2 2023.

Institutions holding SIGA in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Morgan Stanley172,251$904.3K0.00%+13,609+8.6%Added
Victory Capital Management Inc189,032$992.4K0.00%−12,759−6.3%Reduced
Ameriprise Financial Inc226,138$1.19M0.00%+49,302+27.9%Added
Bank of New York Mellon Corp282,824$1.48M0.00%+3,030+1.1%Added
American Century Companies Inc308,276$1.62M0.00%−72,368−19.0%Reduced
Charles Schwab Investment Management Inc320,587$1.68M0.00%+14,780+4.8%Added
Los Angeles Capital Management LLC325,373$1.71M0.01%−68,431−17.4%Reduced
New York State Common Retirement Fund379,555$1.99M0.00%+74,777+24.5%Added
Legato Capital Management LLC403,087$2.12M0.31%+82,447+25.7%Added
Bank of America Corp414,206$2.17M0.00%+345,917+506.5%Added
Uniplan Investment Counsel, Inc.423,056$2.22M0.17%+9,822+2.4%Added
Hotchkis & Wiley Capital Management LLC429,104$2.25M0.01%+429,104New
Price Jennifer C.458,700$2.41M1.39%00.0%Unchanged
Northern Trust Corp465,616$2.44M0.00%−3,922−0.8%Reduced
Citadel Advisors LLC590,237$3.10M0.00%−184,584−23.8%Reduced
D. E. Shaw & Co., Inc.795,682$4.18M0.01%−44,953−5.3%Reduced
Geode Capital Management, LLC968,515$5.09M0.00%+115,518+13.5%Added
General American Investors Co Inc971,131$5.10M0.46%+587,123+152.9%Added
State Street Corp1,000,491$5.25M0.00%+37,101+3.9%Added
Jupiter Asset Management Ltd1,003,981$5.27M0.06%−29,945−2.9%Reduced
Royce & Associates LP1,326,811$6.97M0.07%+351,455+36.0%Added
Dimensional Fund Advisors LP1,471,967$7.73M0.00%+336,905+29.7%Added
Kempen Capital Management N.V.1,930,760$10.1M0.19%−253,083−11.6%Reduced
First Wilshire Securities Management Inc2,065,012$10.8M3.71%+630,125+43.9%Added
AltraVue Capital, LLC2,107,556$11.1M1.32%+364,380+20.9%Added
Vanguard Group Inc2,202,877$11.6M0.00%+8,205+0.4%Added
Goldman Sachs Group Inc2,306,225$12.1M0.00%−215,026−8.5%Reduced
BlackRock Inc.3,364,312$17.7M0.00%+126,443+3.9%Added
Federated Hermes, Inc.4,363,240$22.9M0.06%−41,408−0.9%Reduced
Proequities, Inc.0$00.00%−15−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−475,747−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−310,718−100.0%Sold out
Martingale Asset Management L P0$00.00%−52,467−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−46,392−100.0%Sold out
SummerHaven Investment Management, LLC0$00.00%−41,896−100.0%Sold out
Squarepoint Ops LLC0$00.00%−41,591−100.0%Sold out
Jane Street Group, LLC0$00.00%−26,209−100.0%Sold out
Wolverine Trading, LLC0$00.00%−19,104−100.0%Sold out
STRS Ohio0$00.00%−18,800−100.0%Sold out
Virtu Financial LLC0$00.00%−12,747−100.0%Sold out
Alberta Investment Management Corp0$00.00%−12,361−100.0%Sold out
Prudential Financial Inc0$00.00%−11,670−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−10,909−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−10,031−100.0%Sold out
State of Wyoming0$00.00%−4,984−100.0%Sold out
US Bancorp0$00.00%−1,253−100.0%Sold out
EverSource Wealth Advisors, LLC0$00.00%−258−100.0%Sold out
Global Wealth Management Investment Advisory, Inc.0$00.00%−100−100.0%Sold out
Massmutual Trust Co FSB0$00.00%−57−100.0%Sold out
Financial Synergies Wealth Advisors, Inc.0$00.00%−38−100.0%Sold out
Quantbot Technologies LP0$00.00%−7−100.0%Sold out
Sofos Investments, Inc.0$00.00%−5−100.0%Sold out