Latest Institutional Purchases of Siga Technologies Inc (SIGA)
This list provides information on the latest institutional transactions involving Siga Technologies Inc (SIGA) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
329K+ 1698.31% |
$2.12M - $3.12M
|
348K
$2.09M
|
|
|
Nov 14, 2025
Q3 2025
|
Janus Henderson Group PLC
London, X0 |
BUY
|
- |
270K+ 1376.51% |
$1.74M - $2.55M
|
289K
$1.73M
|
|
|
Nov 13, 2025
Q3 2025
|
Arrowstreet Capital, Limited Partnership
Boston, MA |
BUY
|
- |
256K+ 44.21% |
$1.65M - $2.43M
|
835K
$5.01M
|
|
|
Nov 14, 2025
Q3 2025
|
Csm Advisors, LLC
Pittsburgh, PA |
BUY
|
- |
238K+ 66.5% |
$1.54M - $2.26M
|
597K
$3.58M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
200K+ 353.81% |
$1.29M - $1.89M
|
256K
$1.54M
|
|
|
Nov 13, 2025
Q3 2025
|
Brandywine Global Investment Management, LLC
Philadelphia, PA |
BUY
|
- |
182KNew |
$1.17M - $1.72M
|
182K
$1.09M
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
180K+ 584.18% |
$1.16M - $1.71M
|
211K
$1.27M
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
142K+ 5.65% |
$918K - $1.35M
|
2.66M
$15.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
- |
138K+ 397.72% |
$893K - $1.31M
|
173K
$1.04M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
135K+ 25.89% |
$873K - $1.28M
|
657K
$3.94M
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
127KNew |
$820K - $1.2M
|
127K
$761K
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
113K+ 27.86% |
$730K - $1.07M
|
519K
$3.11M
|
|
|
Nov 14, 2025
Q3 2025
|
Bridgeway Capital Management, LLC
Houston, TX |
BUY
|
- |
106K+ 95.28% |
$687K - $1.01M
|
218K
$1.31M
|
|
|
Nov 13, 2025
Q3 2025
|
Winton Group LTD
London, X0 |
BUY
|
- |
106KNew |
$682K - $1M
|
106K
$633K
|
|
|
Nov 14, 2025
Q3 2025
|
State Board Of Administration Of Florida Retirement System
|
BUY
|
- |
104K+ 780.7% |
$674K - $989K
|
118K
$706K
|
|
|
Nov 13, 2025
Q3 2025
|
Acadian Asset Management LLC
Boston, MA |
BUY
|
- |
85.5KNew |
$552K - $810K
|
85.5K
$513K
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
83.4KNew |
$539K - $791K
|
83.4K
$500K
|
|
|
Nov 13, 2025
Q3 2025
|
Jump Financial, LLC
Chicago, IL |
BUY
|
- |
74.2KNew |
$479K - $703K
|
74.2K
$445K
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
66.7K+ 15.41% |
$431K - $633K
|
500K
$3M
|
|
|
Nov 05, 2025
Q3 2025
|
Alps Advisors Inc
Denver, CO |
BUY
|
- |
51.1KNew |
$330K - $485K
|
51.1K
$307K
|
|
|
Nov 12, 2025
Q3 2025
|
Victory Capital Management Inc
|
BUY
|
- |
47.9K+ 15.46% |
$310K - $454K
|
358K
$2.15M
|
|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
46.2KNew |
$298K - $438K
|
46.2K
$277K
|
|
|
Nov 14, 2025
Q3 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
45.3KNew |
$293K - $430K
|
45.3K
$272K
|
|
|
Nov 13, 2025
Q3 2025
|
O'Shaughnessy Asset Management, LLC
Stamford, CT |
BUY
|
- |
44.8KNew |
$289K - $425K
|
44.8K
$269K
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
- |
41.8K+ 85.22% |
$270K - $397K
|
90.9K
$545K
|
|
|
Oct 30, 2025
Q3 2025
|
Strs Ohio
|
BUY
|
- |
41K+ 161.42% |
$265K - $389K
|
66.4K
$398K
|
|
|
Nov 12, 2025
Q3 2025
|
Royce & Associates LP
|
BUY
|
- |
37.6K+ 5.86% |
$243K - $357K
|
680K
$4.08M
|
|
|
Nov 06, 2025
Q3 2025
|
Lsv Asset Management
Chicago, IL |
BUY
|
- |
37.3K+ 9.8% |
$241K - $354K
|
418K
$2.51M
|
|
|
Nov 14, 2025
Q3 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
- |
32.9KNew |
$213K - $312K
|
32.9K
$197K
|
|
|
Nov 14, 2025
Q3 2025
|
Petrus Trust Company, Lta
Dallas, TX |
BUY
|
- |
26.4KNew |
$171K - $250K
|
26.4K
$158K
|
|
|
Nov 12, 2025
Q3 2025
|
Cibc Bancorp Usa Inc.
Chicago, IL |
BUY
|
- |
25.7KNew |
$166K - $244K
|
25.7K
$154K
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
BUY
|
- |
24.9K+ 1.03% |
$161K - $236K
|
2.43M
$14.6M
|
|
|
Nov 17, 2025
Q3 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
BUY
|
- |
24.9K+ 5.66% |
$161K - $236K
|
464K
$2.78M
|
|
|
Nov 03, 2025
Q3 2025
|
Summer Haven Investment Management, LLC
|
BUY
|
- |
24.2K+ 24.55% |
$156K - $229K
|
123K
$736K
|
|
|
Nov 14, 2025
Q3 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
22.4K+ 64.88% |
$145K - $212K
|
57K
$342K
|
|
|
Nov 04, 2025
Q3 2025
|
Envestnet Asset Management Inc
|
BUY
|
- |
22.2KNew |
$143K - $210K
|
22.2K
$133K
|
|
|
Nov 14, 2025
Q3 2025
|
Corton Capital Inc.
Carrying Place, A6 |
BUY
|
- |
19.8KNew |
$128K - $188K
|
19.8K
$119K
|
|
|
Nov 14, 2025
Q3 2025
|
Prelude Capital Management, LLC
New York, NY |
BUY
|
- |
19.7KNew |
$127K - $187K
|
19.7K
$118K
|
|
|
Nov 14, 2025
Q3 2025
|
Graham Capital Management, L.P.
Rowayton, CT |
BUY
|
- |
18.4KNew |
$119K - $174K
|
18.4K
$110K
|
|
|
Nov 04, 2025
Q3 2025
|
State Of Wyoming
Cheyenne, WY |
BUY
|
- |
18.2K+ 45.2% |
$118K - $173K
|
58.5K
$351K
|
|
|
Nov 14, 2025
Q3 2025
|
Lazard Asset Management LLC
New York, NY |
BUY
|
- |
16.2KNew |
$104K - $153K
|
16.2K
$97K
|
|
|
Nov 14, 2025
Q3 2025
|
Engineers Gate Manager LP
New York, NY |
BUY
|
- |
16.1KNew |
$104K - $153K
|
16.1K
$96.8K
|
|
|
Nov 14, 2025
Q3 2025
|
Phar Vision Advisers, LLC
Boca Raton, FL |
BUY
|
- |
15.1KNew |
$97.3K - $143K
|
15.1K
$90.4K
|
|
|
Nov 13, 2025
Q3 2025
|
Vestcor Inc
Fredericton, A3 |
BUY
|
- |
14.6KNew |
$94.3K - $138K
|
14.6K
$87.6K
|
|
|
Nov 14, 2025
Q3 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
14.1KNew |
$91.1K - $134K
|
14.1K
$84.6K
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
13.9KNew |
$89.7K - $132K
|
13.9K
$83.3K
|
|
|
Nov 10, 2025
Q3 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
13.8K+ 4.11% |
$89K - $131K
|
349K
$2.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Sherbrooke Park Advisers LLC
White Plains, NY |
BUY
|
- |
13.6KNew |
$88K - $129K
|
13.6K
$81.8K
|
|
|
Nov 13, 2025
Q3 2025
|
Russell Investments Group, Ltd.
|
BUY
|
- |
12.1K+ 77.18% |
$78K - $114K
|
27.7K
$166K
|
|
|
Nov 04, 2025
Q3 2025
|
Principal Financial Group Inc
Des Moines, IA |
BUY
|
- |
11.7K+ 36.3% |
$75.7K - $111K
|
44K
$264K
|
|