SIGA TECHNOLOGIES INC

SIGANASDAQ

$3.48+0.10 (+2.96% today)

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Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

SIGA TECHNOLOGIES INC price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-57.7%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	5.83%	$15.2M	0.00%	Not reported
Dimensional Fund Advisors LP	3.79%	$9.9M	0.00%	Not reported
AltraVue Capital, LLC	3.24%	$8.47M	0.61%	Reduce 4.31%
Vanguard Capital Management LLC	2.38%	$6.23M	0.00%	Not reported
American Century Companies Inc	2.10%	$5.48M	0.00%	Not reported
Arrowstreet Capital, Limited Partnership	2.05%	$5.37M	0.00%	Not reported
Geode Capital Management, LLC	1.97%	$5.16M	0.00%	Not reported
First Wilshire Securities Management Inc	1.87%	$4.88M	1.00%	Add 50.46%
AQR Capital Management LLC	1.73%	$4.54M	0.00%	Not reported
State Street Corp	1.58%	$4.13M	0.00%	Not reported
Hotchkis & Wiley Capital Management LLC	1.27%	$3.33M	0.01%	Add 10.52%
Qube Research & Technologies Ltd	1.03%	$2.7M	0.00%	Not reported
New York State Common Retirement Fund	0.82%	$2.15M	0.00%	Not reported
Millennium Management LLC	0.81%	$2.11M	0.00%	Not reported
Jacobs Levy Equity Management, Inc	0.79%	$2.06M	0.01%	Not reported
Uniplan Investment Counsel, Inc.	0.78%	$2.04M	0.19%	Add 50.87%
Citadel Advisors LLC	0.77%	$2.01M	0.00%	Not reported
Royce & Associates LP	0.77%	$2.01M	0.02%	Not reported
Vanguard Portfolio Management LLC	0.77%	$2M	0.00%	Not reported
Legato Capital Management LLC	0.71%	$1.86M	0.15%	Not reported
LSV Asset Management	0.64%	$1.68M	0.00%	Reduce 14.36%
Bank of America Corp	0.59%	$1.56M	0.00%	Not reported
Renaissance Technologies LLC	0.59%	$1.55M	0.00%	Not reported
Morgan Stanley	0.59%	$1.53M	0.00%	Not reported
Denali Advisors LLC	0.58%	$1.51M	0.15%	Reduce 5.14%
Goldman Sachs Group Inc	0.55%	$1.43M	0.00%	Not reported
Two Sigma Investments, LP	0.50%	$1.3M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.49%	$1.27M	0.00%	Not reported
Northern Trust Corp	0.46%	$1.22M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.39%	$1.01M	0.00%	Not reported
Creative Planning	0.38%	$1M	0.00%	Not reported
Segall Bryant & Hamill, LLC	0.38%	$996K	0.01%	Not reported
Bank of New York Mellon Corp	0.37%	$967K	0.00%	Not reported
D. E. Shaw & Co., Inc.	0.37%	$964K	0.00%	Not reported
Victory Capital Management Inc	0.36%	$947K	0.00%	Not reported
Ameriprise Financial Inc	0.27%	$704K	0.00%	Not reported
UBS Group AG	0.25%	$662K	0.00%	Not reported
State of Wisconsin Investment Board	0.23%	$598K	0.00%	Not reported
First Trust Advisors LP	0.22%	$581K	0.00%	Reduce 0.53%
Man Group plc	0.22%	$573K	0.00%	Not reported
Los Angeles Capital Management LLC	0.20%	$528K	0.00%	Not reported
STRS Ohio	0.19%	$488K	0.00%	Not reported
Campbell & CO Investment Adviser LLC	0.17%	$441K	0.02%	Add 31.54%
Invesco Ltd.	0.16%	$412K	0.00%	Not reported
Prudential Financial Inc	0.15%	$379K	0.00%	Not reported
SummerHaven Investment Management, LLC	0.14%	$368K	0.20%	Not reported
Nuveen, LLC	0.14%	$367K	0.00%	Not reported
Martingale Asset Management L P	0.13%	$336K	0.01%	Not reported
KLP Kapitalforvaltning As	0.12%	$317K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.12%	$302K	0.00%	Not reported

50 of 151 holders

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