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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 2022

Institutional positions in Siga Technologies Inc as of Dec 31, 2022. 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
160
+7 vs. Q3 2022
Shares held
31.0M
+2.16M (+7.5%) vs. Q3 2022
Total value
$227.9M
−$68.8M (−23.2%) vs. Q3 2022
New holders
31
50 more added
Sold out
24
50 more reduced

2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 160 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 2022: $227.9M
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 2022

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q3 2022.

Institutions holding SIGA in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Rhumbline Advisers60,568$446.0K0.00%+1,032+1.7%Added
STRS Ohio61,600$453.0K0.00%+5,100+9.0%Added
Alliancebernstein L.P.67,900$499.7K0.00%00.0%Unchanged
UBS Asset Management Americas Inc68,740$505.9K0.00%00.0%Unchanged
ETF Managers Group, LLC71,080$523.1K0.02%+49,531+229.9%Added
Teacher Retirement System of Texas73,560$541.0K0.00%+566+0.8%Added
Pasadena Private Wealth, LLC77,818$572.7K0.18%+36,224+87.1%Added
Uniplan Investment Counsel, Inc.92,767$682.0K0.05%+388+0.4%Added
Janus Henderson Group PLC93,775$690.1K0.00%−7,168−7.1%Reduced
Invesco Ltd.100,880$742.5K0.00%+637+0.6%Added
Ancora Advisors, LLC103,735$763.0K0.02%−16,000−13.4%Reduced
Swiss National Bank105,100$773.5K0.00%00.0%Unchanged
Brandywine Global Investment Management, LLC116,137$854.8K0.01%+116,137New
First Wilshire Securities Management Inc117,386$864.0K0.30%−1,191−1.0%Reduced
Globeflex Capital L P138,893$1.02M0.13%00.0%Unchanged
Assenagon Asset Management S.A.142,021$1.04M0.00%+142,021New
Nuveen Asset Management, LLC151,227$1.11M0.00%−7,603−4.8%Reduced
Voloridge Investment Management, LLC158,747$1.17M0.01%−235,924−59.8%Reduced
Hillsdale Investment Management Inc.159,905$1.18M0.10%00.0%Unchanged
Barclays PLC165,695$1.22M0.00%−183,646−52.6%Reduced
Bank of America Corp178,045$1.31M0.00%+81,688+84.8%Added
Cambria Investment Management, L.P.185,328$1.36M0.11%+71,280+62.5%Added
Victory Capital Management Inc197,041$1.45M0.00%+138,648+237.4%Added
General American Investors Co Inc209,404$1.54M0.15%+209,404New
Credit Suisse AG215,082$1.58M0.00%+14,971+7.5%Added
Los Angeles Capital Management LLC225,517$1.66M0.01%+225,517New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main235,772$1.74M0.00%+235,772New
Gotham Asset Management, LLC241,943$1.78M0.05%−69,349−22.3%Reduced
Two Sigma Advisers, LP249,900$1.84M0.01%+249,900New
Bank of New York Mellon Corp287,277$2.11M0.00%+61,116+27.0%Added
First Trust Advisors LP294,953$2.17M0.00%+198,049+204.4%Added
Charles Schwab Investment Management Inc308,715$2.27M0.00%+4,277+1.4%Added
New York State Common Retirement Fund323,763$2.38M0.00%+40,144+14.2%Added
Cubist Systematic Strategies, LLC344,089$2.53M0.02%−238,853−41.0%Reduced
Prudential Financial Inc349,420$2.57M0.00%+349,420New
American Century Companies Inc363,920$2.68M0.00%−38,471−9.6%Reduced
Goldman Sachs Group Inc375,218$2.76M0.00%+187,366+99.7%Added
Northern Trust Corp438,174$3.22M0.00%−6,952−1.6%Reduced
Price Jennifer C.458,700$3.38M0.81%+76,300+20.0%Added
Norges Bank493,700$3.63M0.00%+493,700New
Federated Hermes, Inc.563,389$4.15M0.01%+563,389New
Arrowstreet Capital, Limited Partnership642,413$4.73M0.01%+574,853+850.9%Added
Royce & Associates LP664,281$4.89M0.05%+337,254+103.1%Added
Qube Research & Technologies Ltd667,205$4.91M0.03%−410,463−38.1%Reduced
Two Sigma Investments, LP769,412$5.66M0.02%−224,629−22.6%Reduced
Principal Financial Group Inc770,446$5.67M0.00%+73,580+10.6%Added
Geode Capital Management, LLC802,711$5.91M0.00%+20,352+2.6%Added
Jupiter Asset Management Ltd920,697$6.77M0.10%+763,095+484.2%Added
Morgan Stanley1,016,714$7.48M0.00%+282,166+38.4%Added
Renaissance Technologies LLC1,048,326$7.72M0.01%−1,304,921−55.5%Reduced
Dimensional Fund Advisors LP1,105,422$8.14M0.00%−7,764−0.7%Reduced
State Street Corp1,370,026$10.1M0.00%−144,079−9.5%Reduced
D. E. Shaw & Co., Inc.1,494,586$11.0M0.02%−707,407−32.1%Reduced
AltraVue Capital, LLC1,728,016$12.7M1.78%+270,480+18.6%Added
Kempen Capital Management N.V.1,893,355$13.9M0.41%+1,110,171+141.8%Added
Vanguard Group Inc2,270,420$16.7M0.00%+41,611+1.9%Added
BlackRock Inc.3,298,812$24.3M0.00%+96,992+3.0%Added
IFP Advisors, Inc59––−383−86.7%Reduced
Sofos Investments, Inc.7––+7New
Gordian Capital Singapore Pte Ltd15––+15New
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−288,883−100.0%Sold out
Legato Capital Management LLC0$00.00%−271,380−100.0%Sold out
Sculptor Capital LP0$00.00%−130,100−100.0%Sold out
Verition Fund Management LLC0$00.00%−120,000−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−117,074−100.0%Sold out
Harvest Investment Services, LLC0$00.00%−56,929−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−30,458−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−29,197−100.0%Sold out
CIBC Private Wealth Group, LLC0$00.00%−26,000−100.0%Sold out
ClariVest Asset Management LLC0$00.00%−25,400−100.0%Sold out
Seven Eight Capital, LP0$00.00%−20,592−100.0%Sold out
Plustick Management LLC0$00.00%−20,000−100.0%Sold out
Quantamental Technologies LLC0$00.00%−19,747−100.0%Sold out
SG3 Management, LLC0$00.00%−18,700−100.0%Sold out
Telemetry Investments, L.L.C.0$00.00%−14,299−100.0%Sold out
HRT Financial LP0$00.00%−12,530−100.0%Sold out
Captrust Financial Advisors0$00.00%−11,963−100.0%Sold out
Ensign Peak Advisors, Inc0$00.00%−11,880−100.0%Sold out
One Capital Management, LLC0$00.00%−10,864−100.0%Sold out
Altshuler Shaham Ltd0$00.00%−1,950−100.0%Sold out
Macquarie Group Ltd0$00.00%0Sold out
US Bancorp0$00.00%−11−100.0%Sold out
Parallel Advisors, LLC0$00.00%−12−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−33−100.0%Sold out
Wipfli Financial Advisors LLC,––––Not filed
American Portfolios Advisors––––Not filed