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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; 160 institutions reported holding it in 13F filings for Q2 2026, worth $126.9M in total; no superinvestor holds it.

13F holders, Q2 2021

Institutional positions in Siga Technologies Inc as of Jun 30, 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
102
−3 vs. Q1 2021
Shares held
20.4M
−1.10M (−5.1%) vs. Q1 2021
Total value
$128.2M
−$11.6M (−8.3%) vs. Q1 2021
New holders
16
35 more added
Sold out
19
33 more reduced

Compare with Q1 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 holdersQ2 2021: 102 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: 160 institutions
Value heldQ2 2021: $128.2M
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: $126.9M
Institutions holding SIGA and their total value by quarter
QuarterHoldersValue
Q2 2026160$126.9M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2021.

Institutions holding SIGA in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
UBS Group AG12$00.00%−9,122−99.9%Reduced
First Horizon Advisors, Inc.111$00.00%+111New
Daiwa Securities Group Inc.172$1.00K0.00%00.0%Unchanged
Captrust Financial Advisors207$1.00K0.00%00.0%Unchanged
Harbour Investments, Inc.304$2.00K0.00%+2+0.7%Added
FMR LLC426$3.00K0.00%+251+143.4%Added
Graves-Light Private Wealth Management, Inc.555$3.00K0.00%+555New
The PNC Financial Services Group, Inc.512$4.00K0.00%00.0%Unchanged
Panagora Asset Management Inc806$5.00K0.00%00.0%Unchanged
Signaturefd, LLC776$5.00K0.00%+65+9.1%Added
Quantbot Technologies LP1,200$7.00K0.00%+1,200New
Macquarie Group Ltd1,355$9.00K0.00%00.0%Unchanged
Penserra Capital Management LLC1,730$10.0K0.00%−60−3.4%Reduced
BNP Paribas Arbitrage, SA1,872$11.8K0.00%−5,606−75.0%Reduced
Jacobi Capital Management LLC2,500$16.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.2,510$16.0K0.00%+310+14.1%Added
Steward Partners Investment Advisory, LLC3,500$22.0K0.00%+2,900+483.3%Added
Great West Life Assurance Co3,881$24.0K0.00%00.0%Unchanged
Advisory Services Network, LLC4,000$25.0K0.00%+4,000New
Tower Research Capital LLC (TRC)4,365$28.0K0.00%−183−4.0%Reduced
Ameritas Investment Partners, Inc.4,584$29.0K0.00%00.0%Unchanged
FinTrust Capital Advisors, LLC5,000$31.0K0.01%+5,000New
Lazard Asset Management LLC5,157$32.0K0.00%−5,591−52.0%Reduced
Royal Bank of Canada5,390$34.0K0.00%−375−6.5%Reduced
Elmwood Wealth Management, Inc.6,600$41.0K0.02%00.0%Unchanged
Clearstead Advisors, LLC7,000$44.0K0.00%00.0%Unchanged
Barclays PLC7,471$47.0K0.00%−36,855−83.1%Reduced
Citigroup Inc8,724$55.0K0.00%+3,242+59.1%Added
Commonwealth Equity Services, LLC10,290$64.0K0.00%00.0%Unchanged
Legal & General Group Plc10,305$64.0K0.00%+2,489+31.8%Added
Jupiter Asset Management Ltd12,078$76.0K0.00%+12,078New
Arizona State Retirement System12,624$79.0K0.00%−2,021−13.8%Reduced
Cypress Capital Management LLC12,500$79.0K0.01%00.0%Unchanged
Susquehanna International Group, LLP13,297$84.0K0.00%+13,297New
Jane Street Group, LLC13,354$84.0K0.00%+13,354New
Franklin Resources Inc13,736$86.0K0.00%+1,334+10.8%Added
Price T Rowe Associates Inc14,164$89.0K0.00%+575+4.2%Added
Zebra Capital Management LLC14,459$91.0K0.11%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)14,749$93.0K0.00%00.0%Unchanged
Federated Hermes, Inc.15,053$95.0K0.00%−8−0.1%Reduced
Virginia Retirement Systems Et Al18,800$118.0K0.00%+18,800New
STRS Ohio20,200$126.0K0.00%+7,600+60.3%Added
Mutual Advisors, LLC20,546$129.0K0.01%+6,000+41.2%Added
Voya Investment Management LLC21,304$134.0K0.00%−4,629−17.8%Reduced
Regions Financial Corp21,500$135.0K0.00%00.0%Unchanged
Acadian Asset Management LLC22,401$141.0K0.00%+7,654+51.9%Added
ETF Managers Group, LLC22,432$142.0K0.00%−1,277−5.4%Reduced
Ergoteles LLC22,700$143.0K0.00%+22,700New
JPMorgan Chase & Co22,947$144.0K0.00%−11,293−33.0%Reduced
Bank of America Corp24,108$151.0K0.00%−57,557−70.5%Reduced
Balyasny Asset Management LLC26,091$164.0K0.00%+26,091New
ProShare Advisors LLC26,513$167.0K0.00%+1,874+7.6%Added
American International Group, Inc.27,745$174.0K0.00%−2,636−8.7%Reduced
Martingale Asset Management L P28,754$182.0K0.00%+29+0.1%Added
Credit Suisse AG31,672$198.0K0.00%−3,632−10.3%Reduced
Deutsche Bank AG31,831$200.0K0.00%−3,444−9.8%Reduced
Manufacturers Life Insurance Company, The32,194$202.0K0.00%−435−1.3%Reduced
Mackenzie Financial Corp36,090$227.0K0.00%+36,090New
Tudor Investment Corp Et Al37,962$238.0K0.00%−40,737−51.8%Reduced
O'Shaughnessy Asset Management, LLC39,107$246.0K0.00%+19,122+95.7%Added
Campbell & CO Investment Adviser LLC41,400$260.0K0.11%+41,400New
HRT Financial LP47,894$300.0K0.00%+32,180+204.8%Added
Nantahala Capital Management, LLC49,605$312.0K0.02%−55,097−52.6%Reduced
Rhumbline Advisers53,139$334.0K0.00%−6,585−11.0%Reduced
TRUE Private Wealth Advisors54,114$339.0K0.05%+39,908+280.9%Added
D. E. Shaw & Co., Inc.57,158$359.0K0.00%+38,013+198.6%Added
Parametric Portfolio Associates LLC57,982$364.0K0.00%+6,462+12.5%Added
Nisa Investment Advisors, LLC59,435$373.0K0.00%00.0%Unchanged
ExodusPoint Capital Management, LP61,199$384.0K0.01%+61,199New
UBS Asset Management Americas Inc61,255$384.7K0.00%+3,294+5.7%Added
IndexIQ Advisors LLC62,241$391.0K0.01%+683+1.1%Added
Invesco Ltd.66,838$419.0K0.00%+947+1.4%Added
State of Tennessee, Treasury Department67,657$425.0K0.00%+67,657New
California State Teachers Retirement System68,491$430.0K0.00%−10,394−13.2%Reduced
Alliancebernstein L.P.70,600$443.0K0.00%+6,000+9.3%Added
Winton Group Ltd89,309$561.0K0.03%+19,932+28.7%Added
State Board of Administration of Florida Retirement System99,496$625.0K0.00%+10,000+11.2%Added
Swiss National Bank102,400$643.0K0.00%−12,400−10.8%Reduced
Victory Capital Management Inc105,674$664.0K0.00%+60,328+133.0%Added
Los Angeles Capital Management LLC112,720$708.0K0.00%−7,140−6.0%Reduced
Morgan Stanley117,833$741.0K0.00%+112,992+2,334.1%Added
Millennium Management LLC124,530$782.0K0.00%+81,849+191.8%Added
Davenport & Co LLC219,077$1.38M0.01%00.0%Unchanged
Goldman Sachs Group Inc236,791$1.49M0.00%−19,357−7.6%Reduced
Bank of New York Mellon Corp262,242$1.65M0.00%−41,159−13.6%Reduced
Nuveen Asset Management, LLC278,155$1.75M0.00%+54,728+24.5%Added
Charles Schwab Investment Management Inc311,659$1.96M0.00%−9,245−2.9%Reduced
Globeflex Capital L P367,049$2.31M0.41%+367,049New
New York State Common Retirement Fund374,793$2.35M0.00%−4,723−1.2%Reduced
Legato Capital Management LLC444,790$2.79M0.39%−5,270−1.2%Reduced
Northern Trust Corp511,515$3.21M0.00%−62,081−10.8%Reduced
Royce & Associates LP513,087$3.22M0.02%+425,956+488.9%Added
Wells Fargo & Company626,980$3.94M0.00%+6,163+1.0%Added
Dimensional Fund Advisors LP693,225$4.35M0.00%+144,415+26.3%Added
Arrowstreet Capital, Limited Partnership700,634$4.40M0.01%+102,629+17.2%Added
Geode Capital Management, LLC841,216$5.28M0.00%−33,302−3.8%Reduced
Renaissance Technologies LLC1,032,017$6.48M0.01%+265,003+34.5%Added
State Street Corp1,097,875$6.89M0.00%+81,602+8.0%Added
Price Michael F1,205,900$7.57M0.83%00.0%Unchanged
AltraVue Capital, LLC1,988,746$12.5M2.21%−287,177−12.6%Reduced