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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, Q4 2021

Institutional positions in Siga Technologies Inc as of Dec 31, 2021. 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
116
+12 vs. Q3 2021
Shares held
22.2M
+566.6K (+2.6%) vs. Q3 2021
Total value
$166.7M
+$7.12M (+4.5%) vs. Q3 2021
New holders
21
34 more added
Sold out
9
41 more reduced

Compare with Q3 2021: 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 holdersQ4 2021: 116 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 heldQ4 2021: $166.7M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q3 2021.

Institutions holding SIGA in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Cutler Group LP1,551$11.0K0.00%+1,551New
Macquarie Group Ltd1,355$10.0K0.00%00.0%Unchanged
Allworth Financial LP1,068$8.00K0.00%+1,068New
Graves-Light Private Wealth Management, Inc.972$7.00K0.00%−228−19.0%Reduced
Aquatic Capital Management LLC900$7.00K0.01%+900New
Parallel Advisors, LLC795$6.00K0.00%−40−4.8%Reduced
Lazard Asset Management LLC486$3.00K0.00%−257−34.6%Reduced
FMR LLC488$3.00K0.00%+63+14.8%Added
Geneos Wealth Management Inc.500$3.00K0.00%+500New
The PNC Financial Services Group, Inc.392$2.00K0.00%00.0%Unchanged
Captrust Financial Advisors220$2.00K0.00%+13+6.3%Added
EverSource Wealth Advisors, LLC258$2.00K0.00%+258New
Quadrant Capital Group LLC187$1.00K0.00%−283−60.2%Reduced
Daiwa Securities Group Inc.172$1.00K0.00%00.0%Unchanged
Massmutual Trust Co FSB77$1.00K0.00%+77New
Glassman Wealth Services48$00.00%00.0%Unchanged
State of Tennessee, Treasury Department0$00.00%−60,340−100.0%Sold out
Mackenzie Financial Corp0$00.00%−37,316−100.0%Sold out
Summit Global Investments0$00.00%−36,700−100.0%Sold out
Ergoteles LLC0$00.00%−21,800−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−13,627−100.0%Sold out
Jacobi Capital Management LLC0$00.00%−2,500−100.0%Sold out
Penserra Capital Management LLC0$00.00%−1,715−100.0%Sold out
Harbour Investments, Inc.0$00.00%−373−100.0%Sold out
Meridian Wealth Partners, LLC0$00.00%−18−100.0%Sold out