SIGA Technologies
SIGA
177 hedge funds and large institutions have $225M invested in SIGA Technologies in 2025 Q2 according to their latest regulatory filings, with 34 funds opening new positions, 62 increasing their positions, 52 reducing their positions, and 22 closing their positions.
248% more call options, than puts
Call options by funds: $763K | Put options by funds: $219K
55% more first-time investments, than exits
New positions opened: 34 | Existing positions closed: 22
19% more repeat investments, than reductions
Existing positions increased: 62 | Existing positions reduced: 52
17% more capital invested
Capital invested by funds: $192M → $225M (+$32.3M)
6% more funds holding
Funds holding: 167 → 177 (+10)
0.91% less ownership
Funds ownership: 49.16% → 48.25% (-0.91%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
+$2.63M |
| 2 |
CA
CSM Advisors
Warrendale,
Pennsylvania
|
+$2.15M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
+$1.43M |
| 4 |
Goldman Sachs
New York
|
+$1.43M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$1.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Hotchkis & Wiley Capital Management
Los Angeles,
California
|
-$6.54M |
| 2 |
FWSM
First Wilshire Securities Management
Pasadena,
California
|
-$5.33M |
| 3 |
BlackRock
New York
|
-$1.01M |
| 4 |
Los Angeles Capital Management
Los Angeles,
California
|
-$748K |
| 5 |
RA
Royce & Associates
New York
|
-$696K |
SIGA Hedge Fund Activity: Q2 2025 in Review
177 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in SIGA Technologies (SIGA) for Q2 2025, worth a combined $225M — up 17% from $192M a quarter earlier.
Buyers outnumbered sellers: 34 funds opened new SIGA positions and 22 closed out — a net gain of 12 holders — while 62 added to existing stakes and 52 trimmed.
The largest buyer was Jacobs Levy Equity Management, opening a new position worth an estimated $2.63M. The largest seller was Hotchkis & Wiley Capital Management, cutting an estimated $6.54M.
- 177 institutional investors held SIGA Technologies (SIGA) as of Q2 2025, up from 167 in Q1 2025.
- Funds reported $225M of SIGA Technologies stock for Q2 2025, up 17% quarter-over-quarter.
- 34 funds opened new SIGA Technologies positions in Q2 2025 and 22 closed out, a net change of +12 holders.
- The largest SIGA Technologies buyer in Q2 2025 was Jacobs Levy Equity Management, an estimated $2.63M added.
- The largest SIGA Technologies seller in Q2 2025 was Hotchkis & Wiley Capital Management, an estimated $6.54M sold.
Based on aggregated 13F filings for Q2 2025.