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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 2023

Institutional positions in Siga Technologies Inc as of Jun 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
131
−9 vs. Q1 2023
Shares held
33.2M
+1.55M (+4.9%) vs. Q1 2023
Total value
$168.1M
−$13.7M (−7.5%) vs. Q1 2023
New holders
16
46 more added
Sold out
25
48 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 131 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 2023: $168.1M
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 2023

Shares, value and share of portfolio for each institution holding Siga Technologies Inc; share changes are against Q1 2023.

Institutions holding SIGA in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Federated Hermes, Inc.4,404,648$22.2M0.06%+1,591,963+56.6%Added
BlackRock Inc.3,237,869$16.4M0.00%+43,873+1.4%Added
Goldman Sachs Group Inc2,521,251$12.7M0.00%+2,302,835+1,054.3%Added
Vanguard Group Inc2,194,672$11.1M0.00%−52,727−2.3%Reduced
Kempen Capital Management N.V.2,183,843$11.0M0.20%−40,564−1.8%Reduced
AltraVue Capital, LLC1,743,176$8.80M1.04%+18,240+1.1%Added
First Wilshire Securities Management Inc1,434,887$7.25M2.48%+449,596+45.6%Added
Dimensional Fund Advisors LP1,135,062$5.73M0.00%+72,581+6.8%Added
Jupiter Asset Management Ltd1,033,926$5.21M0.06%−106,617−9.3%Reduced
Royce & Associates LP975,356$4.93M0.05%+60,012+6.6%Added
State Street Corp963,390$4.87M0.00%+8,205+0.9%Added
Geode Capital Management, LLC852,997$4.31M0.00%+18,427+2.2%Added
D. E. Shaw & Co., Inc.840,635$4.25M0.01%−258,390−23.5%Reduced
Citadel Advisors LLC774,821$3.91M0.00%+168,577+27.8%Added
Bank of Montreal593,404$3.47M0.00%+593,404New
Assenagon Asset Management S.A.475,747$2.40M0.01%+475,747New
Northern Trust Corp469,538$2.37M0.00%+1,580+0.3%Added
Price Jennifer C.458,700$2.32M0.80%00.0%Unchanged
Uniplan Investment Counsel, Inc.413,234$2.09M0.15%+159,806+63.1%Added
Los Angeles Capital Management LLC393,804$1.99M0.01%+21,701+5.8%Added
General American Investors Co Inc384,008$1.94M0.17%+106,419+38.3%Added
American Century Companies Inc380,644$1.92M0.00%−50,042−11.6%Reduced
Legato Capital Management LLC320,640$1.62M0.22%+320,640New
ExodusPoint Capital Management, LP310,718$1.57M0.02%+281,663+969.4%Added
Charles Schwab Investment Management Inc305,807$1.54M0.00%−5,471−1.8%Reduced
New York State Common Retirement Fund304,778$1.54M0.00%+4,215+1.4%Added
Bank of New York Mellon Corp279,794$1.41M0.00%−1,302−0.5%Reduced
Credit Suisse AG251,340$1.27M0.00%+17,632+7.5%Added
Victory Capital Management Inc201,791$1.02M0.00%−14,746−6.8%Reduced
Ameriprise Financial Inc176,836$893.0K0.00%+8,122+4.8%Added
Qube Research & Technologies Ltd167,150$844.1K0.00%−97,636−36.9%Reduced
Morgan Stanley158,642$801.1K0.00%−856,939−84.4%Reduced
Nuveen Asset Management, LLC149,649$755.7K0.00%00.0%Unchanged
Simplex Trading, LLC138,662$700.0K0.03%+18,576+15.5%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main130,694$660.0K0.00%−105,078−44.6%Reduced
Millennium Management LLC123,881$625.6K0.00%−63,623−33.9%Reduced
Susquehanna International Group, LLP121,760$614.9K0.00%+47,495+64.0%Added
Swiss National Bank86,500$436.8K0.00%−8,000−8.5%Reduced
Invesco Ltd.86,209$435.4K0.00%−26,460−23.5%Reduced
UBS Asset Management Americas Inc68,740$395.3K0.00%00.0%Unchanged
Pasadena Private Wealth, LLC77,818$393.0K0.11%00.0%Unchanged
New York Life Investment Management LLC77,583$391.8K0.00%−5,007−6.1%Reduced
Alliancebernstein L.P.74,460$376.0K0.00%+6,560+9.7%Added
Allspring Global Investments Holdings, LLC73,167$369.5K0.00%+44,029+151.1%Added
Bank of America Corp68,289$344.9K0.00%−585,050−89.5%Reduced
Rhumbline Advisers68,208$344.4K0.00%+5,283+8.4%Added
Renaissance Technologies LLC56,136$283.0K0.00%−648,500−92.0%Reduced
Davenport & Co LLC55,000$277.8K0.00%+30,000+120.0%Added
Walleye Capital LLC54,287$274.1K0.00%+54,287New
TRUE Private Wealth Advisors54,114$273.3K0.04%00.0%Unchanged
James Investment Research Inc53,546$270.4K0.03%00.0%Unchanged
Martingale Asset Management L P52,467$265.0K0.01%−11,270−17.7%Reduced
California State Teachers Retirement System50,258$253.8K0.00%−5,687−10.2%Reduced
Franklin Resources Inc49,182$248.4K0.00%+21,944+80.6%Added
NinePointTwo Capital48,386$244.0K0.09%00.0%Unchanged
Allianz Asset Management GmbH46,392$234.3K0.00%−51,351−52.5%Reduced
Wells Fargo & Company43,073$217.5K0.00%+10,126+30.7%Added
SummerHaven Investment Management, LLC41,896$211.6K0.13%−20,913−33.3%Reduced
Squarepoint Ops LLC41,591$210.0K0.00%+41,591New
JPMorgan Chase & Co38,631$195.1K0.00%−289−0.7%Reduced
UBS Group AG37,452$189.1K0.00%+5,740+18.1%Added
Principal Financial Group Inc36,249$183.1K0.00%−666,743−94.8%Reduced
Legal & General Group Plc33,790$170.6K0.00%+14,448+74.7%Added
MetLife Investment Management28,561$144.2K0.00%00.0%Unchanged
Virginia Retirement Systems Et Al27,800$140.4K0.00%+8,200+41.8%Added
Gotham Asset Management, LLC27,506$138.9K0.00%−14,649−34.8%Reduced
State of Tennessee, Treasury Department26,922$136.0K0.00%+7,876+41.4%Added
Nisa Investment Advisors, LLC26,723$135.0K0.00%+22,530+537.3%Added
Jane Street Group, LLC26,209$132.4K0.00%−12,461−32.2%Reduced
Price T Rowe Associates Inc25,395$129.0K0.00%+397+1.6%Added
American International Group, Inc.22,178$112.0K0.00%−556−2.4%Reduced
Mirae Asset Global Investments Co., Ltd.21,362$107.9K0.00%−190−0.9%Reduced
Deutsche Bank AG21,048$106.3K0.00%−9,324−30.7%Reduced
Metis Global Partners, LLC20,164$101.8K0.01%00.0%Unchanged
Raymond James & Associates20,120$101.6K0.00%−4,063−16.8%Reduced
Manufacturers Life Insurance Company, The19,804$100.0K0.00%+1,098+5.9%Added
Janus Henderson Group PLC19,821$100.0K0.00%−131,224−86.9%Reduced
Commonwealth Equity Services, LLC19,663$99.0K0.00%+465+2.4%Added
Wolverine Trading, LLC19,104$96.3K0.00%+19,104New
Voya Investment Management LLC18,944$95.7K0.00%+804+4.4%Added
STRS Ohio18,800$94.0K0.00%−74,200−79.8%Reduced
Barclays PLC17,311$87.4K0.00%−7,540−30.3%Reduced
Citigroup Inc15,933$80.5K0.00%+13,999+723.8%Added
Susquehanna Fundamental Investments, LLC13,262$67.0K0.00%−23,397−63.8%Reduced
Winton Group Ltd13,190$66.6K0.01%+13,190New
State Board of Administration of Florida Retirement System13,080$66.1K0.00%+13,080New
Virtu Financial LLC12,747$64.0K0.00%+12,747New
Alberta Investment Management Corp12,361$62.4K0.00%+12,361New
BNP Paribas Arbitrage, SA11,910$60.1K0.00%−10,005−45.7%Reduced
Independent Financial Group, LLC11,836$59.8K0.00%+1,117+10.4%Added
Prudential Financial Inc11,670$58.9K0.00%−563,500−98.0%Reduced
Captrust Financial Advisors11,215$56.6K0.00%+65+0.6%Added
Arizona State Retirement System11,154$56.3K0.00%−1,541−12.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.10,909$55.1K0.00%+10,909New
Teacher Retirement System of Texas10,786$54.0K0.00%−2,711−20.1%Reduced
ProShare Advisors LLC10,604$53.6K0.00%−40.0%Reduced
Advisor Group Holdings, Inc.10,516$53.1K0.00%−1,281−10.9%Reduced
Tower Research Capital LLC (TRC)10,170$51.4K0.00%+8,979+753.9%Added
Cresset Asset Management, LLC10,061$50.8K0.00%+28+0.3%Added
Fox Run Management, L.L.C.10,031$50.7K0.01%+10,031New