13F

Stock

Siga Technologies Inc

SIGA · held by 182 managers

Reported value

$177.6M

Holders

182

+21 new · −39 exited

Holders’ est. mark

−$20.4M

Price effect on 156 books still in the name

Largest holder

$18.7M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.3.49M$18.7M−$2.66MCut−$3.24M
DIMENSIONAL FUND ADVISORS LP2.7M$14.5M−$1.93MCut−$1.04M
AltraVue Capital, LLC2.43M$13M−$1.83MCut−$1.71M
VANGUARD CAPITAL MANAGEMENT LLC1.71M$9.17MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.53M$8.16M−$779.1KAdded$1.9M
AMERICAN CENTURY COMPANIES INC1.32M$7.05M−$885.8KCut−$71K
GEODE CAPITAL MANAGEMENT, LLC1.32M$7.04M−$763.9KAdded$899.3K
Icahn Capital1.22M$6.53M−$663.3KAdded$1.19M
State Street1.01M$5.41M−$769.1KCut−$1.16M
FIRST WILSHIRE SECURITIES MANAGEMENT INC890.5K$4.76M−$519.9KAdded$584.6K
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC827K$4.42M−$622.8KCut−$582.1K
Citadel705.1K$3.77M−$535.9KCut−$2.6M
ROYCE & ASSOCIATES LP667.6K$3.57M−$464.4KCut−$161.4K
GOLDMAN SACHS GROUP INC624.9K$3.34M−$474.9KCut−$610.8K
NEW YORK STATE COMMON RETIREMENT FUND590.8K$3.16M−$433.6KCut−$325.6K
VANGUARD PORTFOLIO MANAGEMENT LLC587K$3.14MHeld
Legato Capital Management LLC512K$2.74M−$389.1KCut−$807.7K
BANK OF AMERICA CORP /DE/484.7K$2.59M−$368.3KCut−$1.33M
Renaissance Technologies475K$2.54M−$287.4KAdded$231.1K
MILLENNIUM MANAGEMENT LLC466.3K$2.49M−$354.4KCut−$494.9K
D. E. Shaw & Co., Inc.456.4K$2.44M−$346.9KCut−$946.8K
DENALI ADVISORS LLC436.9K$2.34M−$275KAdded$126.7K
TWO SIGMA INVESTMENTS, LP433.7K$2.32M−$7.9KAdded$2.26M
Qube Research & Technologies Ltd415.1K$2.22M−$125.3KAdded$1.21M
VICTORY CAPITAL MANAGEMENT INC376.6K$2.01M−$258.4KCut−$62.4K
Uniplan Investment Counsel, Inc.371.4K$1.99M−$282.3KCut−$431.9K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC340.3K$1.82M−$240.7KCut−$114.3K
NORTHERN TRUST CORP340.2K$1.82M−$258.5KCut−$476.5K
JACOBS LEVY EQUITY MANAGEMENT, INC291.8K$1.56M−$221.8KCut−$1.47M
VANGUARD FIDUCIARY TRUST CO275.2K$1.47MHeld
SEGALL BRYANT & HAMILL, LLC273.5K$1.46M−$207.9KCut−$210.8K
MORGAN STANLEY263.3K$1.41M−$200.1KCut−$1.61M
Bank of New York Mellon Corp256.8K$1.37M−$193.2KCut−$179.1K
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.244.9K$1.31M−$186KCut−$186K
MACQUARIE GROUP LTD244.9K$1.31M−$186.1KCut−$186.1K
JANUS HENDERSON GROUP PLC187.5K$1M−$142.2KCut−$149.5K
AMERIPRISE FINANCIAL INC183.5K$981.9K−$139.5KCut−$227.9K
STATE OF WISCONSIN INVESTMENT BOARD177.8K$951.2K−$135.1KCut−$364.4K
Creative Planning168.6K$901.8K−$54.9KAdded$460.1K
FIRST TRUST ADVISORS LP160.4K$857.9K−$117.8KCut−$88.8K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM131.6K$704.2K−$100KCut−$755.9K
WINTON GROUP Ltd124.4K$665.5K−$74KAdded$70.5K
Invesco Ltd.111.5K$596.6K−$84.8KCut−$96.5K
STRS OHIO109.9K$588K−$68.5KAdded$37.5K
O'SHAUGHNESSY ASSET MANAGEMENT, LLC107.1K$573.2K−$37.7KAdded$269.8K
UBS Group AG104.1K$556.7K−$17KAdded$419.9K
SummerHaven Investment Management, LLC101K$540.5K−$76.8KCut−$209.3K
Nuveen, LLC100.9K$539.8K−$76.1KCut−$71.8K
PRUDENTIAL FINANCIAL INC100.6K$538.2K−$73.6KCut−$53.9K
Man Group plc94.5K$505.6K−$43.7KAdded$154.1K
Trexquant Investment LP93.4K$499.9K−$43.8KAdded$148K
MARTINGALE ASSET MANAGEMENT L P92.3K$493.6K−$70.1KCut−$70.1K
Campbell & CO Investment Adviser LLC92.1K$492.9K−$42.3KAdded$152.9K
Vanguard Global Advisers, LLC90.8K$485.7KHeld
KLP KAPITALFORVALTNING AS87.2K$466.5K−$66.3KCut−$121.3K
State of Wyoming85.2K$456K−$63KCut−$50.8K
ALLIANCEBERNSTEIN L.P.63.7K$389.3K$0Held
CANADA PENSION PLAN INVESTMENT BOARD69.4K$371.3K−$52.7KCut−$87K
LOS ANGELES CAPITAL MANAGEMENT LLC69.1K$369.6K−$137.8KCut−$17.3K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC66.7K$349.3K−$93.6KCut−$89.8K
Jefferies Financial Group Inc.62.7K$335.3KNew
Squarepoint Ops LLC58.6K$313.4K−$11.4KAdded$221.6K
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management53.7K$287.3K−$33.4KAdded$18.9K
JAMES INVESTMENT RESEARCH, INC.53.5K$286.5K−$40.7KCut−$40.7K
JANE STREET GROUP, LLC52.1K$278.6K−$39.6KCut−$459.8K
RHUMBLINE ADVISERS51.1K$273.6K−$38.9KCut−$54.1K
DAVENPORT & Co LLC50K$267.5K−$38KCut−$38K
Strategic Blueprint, LLC50K$267.5K−$38KCut−$44.7K
SEI INVESTMENTS CO48.4K$259K−$19KAdded$106.2K
EXCHANGE TRADED CONCEPTS, LLC46.9K$250.8K−$30.3KAdded$7.08K
FRANKLIN RESOURCES INC43.9K$234.7K−$33.3KCut−$132.7K
DGS Capital Management, LLC42.4K$227K−$32.2KCut−$80.7K
Cambria Investment Management, L.P.42.1K$225.1K−$19.7KAdded$66.9K
Inspire Advisors, LLC40.8K$218.4K−$12.7KAdded$116K
Cresset Asset Management, LLC40.7K$217.7K−$30.9KCut−$30.9K
EntryPoint Capital, LLC38.2K$204.4KNew
Point72 Asset Management, L.P.37.7K$201.8KNew
Russell Investments Group, Ltd.37.7K$201.5K−$26.8KCut−$13.9K
DEUTSCHE BANK AG\37.2K$198.8K−$24KAdded$6.29K
Connor, Clark & Lunn Investment Management Ltd.36.1K$192.9KNew
Quantinno Capital Management LP31.6K$169K−$15.2KAdded$46.8K
Empowered Funds, LLC30.3K$162.2KNew
Graham Capital Management, L.P.29.9K$160KNew
FEDERATED HERMES, INC.28.4K$152.1K−$21.6KCut−$700.3K
MIRABELLA FINANCIAL SERVICES LLP26.8K$143.4KNew
WASHINGTON GROWTH STRATEGIES LLC26.2K$140.3K−$19.9KCut−$19.9K
Engineers Gate Manager LP26K$139.1KNew
Schonfeld Strategic Advisors LLC25.6K$137.2K−$19.5KCut−$136.3K
SUSQUEHANNA INTERNATIONAL GROUP, LLP24.8K$132.5KNew
JPMORGAN CHASE & CO25.2K$132.5K−$21.4KCut−$997.7K
LAZARD ASSET MANAGEMENT LLC24.5K$131.2K−$18.6KCut−$160.7K
CIM INVESTMENT MANAGEMENT INC24.4K$130.4K−$18.5KCut−$18.5K
Fidelity23.4K$125.2K−$4.34KAdded$90.3K
CIBC Bancorp USA Inc.23.4K$125.1KHeld
Significant Wealth Partners LLC23.1K$123.8K−$16.9KCut−$11.9K
Mariner, LLC21K$112.5K−$8.83KAdded$41.8K
GUGGENHEIM CAPITAL LLC20.4K$109K−$9.75KAdded$30.6K
October Effect Ltd20.3K$108.6K−$15.4KCut−$32.5K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.19.5K$104.5K−$14.5KCut−$11.9K
EP Wealth Advisors, LLC19.1K$102.3K−$14.5KCut−$20.8K
MERCER GLOBAL ADVISORS INC /ADV18.9K$101KNew
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO17.9K$95.8K−$13.6KCut−$19.7K
CITIGROUP INC17.3K$92.4K−$4.74KAdded$54.3K
Kestra Advisory Services, LLC16.1K$86.1K−$12.2KCut−$12.2K
Vanguard Personalized Indexing Management, LLC15.9K$84.9K−$12.1KCut−$29.9K
WELLS FARGO & COMPANY/MN15K$80.5K−$11.4KCut−$195.4K
BARCLAYS PLC14.3K$76.6K−$10.9KCut−$395.9K
Corient Private Wealth LLC14.1K$75.2K−$10.7KCut−$10.4K
COMMONWEALTH EQUITY SERVICES, LLC13.7K$73.5K−$10.4KCut−$11.1K
IEQ CAPITAL, LLC13.5K$72.4KNew
HSBC HOLDINGS PLC13.4K$70.7K−$11.1KCut−$186K
GLOBEFLEX CAPITAL L P13.1K$70.1K−$9.96KCut−$9.96K
Onyx Bridge Wealth Group LLC13K$69.5K−$9.88KCut−$9.88K
Headlands Technologies LLC12.9K$68.8KNew
CAPTRUST FINANCIAL ADVISORS12.8K$68.5K−$8.82KCut−$2.33K
China Universal Asset Management Co., Ltd.12.7K$68K−$8.87KCut−$3.31K
ENVESTNET ASSET MANAGEMENT INC12.1K$64.5K−$9.16KCut−$21.2K
Metis Global Partners, LLC11.8K$62.9K−$8.94KCut−$60.3K
MetLife Investment Management, LLC11.8K$62.9K−$8.94KCut−$70.6K
MANUFACTURERS LIFE INSURANCE COMPANY, THE11.6K$62.3K−$8.85KCut−$17.7K
Police & Firemen's Retirement System of New Jersey11.4K$61.1K−$8.67KCut−$8.68K
Cerity Partners LLC10.8K$57.7KNew
Legal & General Group Plc10.7K$57.2K−$8.13KCut−$216.9K
BNP PARIBAS FINANCIAL MARKETS10.3K$55.2K−$7.85KCut−$7.92K
CWM, LLC10.2K$54.4K$26.9KAdded$54.4K
OneAscent Financial Services LLC10.1K$54.2KNew
OSAIC HOLDINGS, INC.7.62K$40.8K−$5.79KCut−$6.75K
SIGNATUREFD, LLC4.85K$25.9K−$2.38KAdded$6.85K
SIMPLEX TRADING, LLC4.48K$24K−$1.88KAdded$8.88K
SBI Securities Co., Ltd.4K$21.4K−$2.16KAdded$4.06K
Ameritas Investment Partners, Inc.3.77K$20.2K−$2.87KCut−$2.87K
Mirae Asset Global Investments Co., Ltd.3.73K$17.7K−$4.79KCut−$3.59K
QUADRANT CAPITAL GROUP LLC3.24K$17.3K−$2.46KCut−$7.17K
GROUP ONE TRADING LLC3.18K$17K−$2.42KCut−$4.95K
WealthCollab, LLC2.87K$15.3K−$2.18KCut−$2.62K
Tower Research Capital LLC (TRC)2.44K$13.1K−$1.86KCut−$20.6K
ROYAL BANK OF CANADA2.25K$12K−$1.49KCut−$18K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2.22K$11.9K−$1.69KCut−$229.1K
Clearstead Advisors, LLC2K$10.7K−$1.52KCut−$1.57K
CURIO WEALTH, LLC2K$10.7K−$1.84KCut−$1.84K
Private Wealth Asset Management, LLC1.7K$9.1K−$1.29KCut−$1.29K
GF FUND MANAGEMENT CO. LTD.1.6K$8.55K−$1.07KCut−$42
Farther Finance Advisors, LLC1.53K$7.94K−$1.44KCut−$17.4K
Aquatic Capital Management LLC1.39K$7.42K−$1.05KCut−$5.64K
MAI Capital Management1.23K$6.6K−$46Added$6.24K
Allworth Financial LP1.13K$6.07K−$704Added$403
PNC Financial Services Group, Inc.955$5.11K−$117Added$4.17K
NISA INVESTMENT ADVISORS, LLC635$3.4K−$483Cut−$1.77K
Rockefeller Capital Management L.P.630$3.37K−$132Added$2.31K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC625$3.34K−$475Cut−$777.7K
LSV ASSET MANAGEMENT538.6K$2.88K−$409Cut−$409
Sterling Capital Management LLC492$2.63K−$374Cut−$2.24K
ROTHSCHILD INVESTMENT LLC391$2.09K−$249Added$88
HRT FINANCIAL LP360.1K$1.93KNew
GAMMA Investing LLC358$1.92K−$243Cut−$34
Optiver Holding B.V.322$1.72K−$245Cut−$1.03K
Parallel Advisors, LLC303$1.62K−$230Cut−$47.1K
EverSource Wealth Advisors, LLC202$1.08K−$153Cut−$843
ACADIAN ASSET MANAGEMENT LLC188.5K$1.01K−$141Cut−$785
HARBOUR INVESTMENTS, INC.138$740New
SJS Investment Consulting Inc.127$680−$51Added$276
Arax Advisory Partners122$653−$93Cut−$307
Versant Capital Management, Inc108$578−$82Cut−$7.01K
Essential Partners LLC104$556−$80Cut−$379
Bell Investment Advisors, Inc75$402New
Root Financial Partners, LLC64$342−$11Added$256
PRICE T ROWE ASSOCIATES INC /MD/63.3K$339−$36Added$55
IFP Advisors, Inc61$326−$47Cut−$65
Larson Financial Group LLC47$251−$36Cut−$36
Vestcor Inc41.2K$220−$32Cut−$106
Sound Income Strategies, LLC41$212New
Game Plan Financial Advisors, LLC35$187−$27Cut−$27
Triumph Capital Management25$134−$19Cut−$19
JPL Wealth Management, LLC23$124New
Ritter Daniher Financial Advisory LLC / DE13$70New
Golden State Equity Partners13$69New
Smartleaf Asset Management LLC12$63−$11Cut−$554
State of Alaska, Department of Revenue11K$58−$9Cut−$9
True Wealth Design, LLC2$11−$1Cut−$179
HARBOR CAPITAL ADVISORS, INC.689$4−$0Held
Covestor Ltd201$1−$0Held
Avion Wealth108$0$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.