SIGA Technologies
SIGA
161 hedge funds and large institutions have $127M invested in SIGA Technologies in 2026 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 81 increasing their positions, 46 reducing their positions, and 35 closing their positions.
76% more repeat investments, than reductions
Existing positions increased: 81 | Existing positions reduced: 46
53% more call options, than puts
Call options by funds: $217K | Put options by funds: $142K
11% more capital inflows, than outflows
Capital inflows: $17.7M | Capital outflows: $15.8M
0.59% more ownership
Funds ownership: 48% → 48.59% (+0.59%)
12% less funds holding
Funds holding: 183 → 161 (-22)
54% less first-time investments, than exits
New positions opened: 16 | Existing positions closed: 35
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$3.1M |
| 2 |
FWSM
First Wilshire Securities Management
Pasadena,
California
|
+$2.01M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$1.46M |
| 4 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
+$1.23M |
| 5 |
UIC
Uniplan Investment Counsel
Milwaukee,
Wisconsin
|
+$846K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HRT Financial
New York
|
-$1.93M |
| 2 |
Nomura Asset Management International
Philadelphia,
Pennsylvania
|
-$1.31M |
| 3 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$1.31M |
| 4 |
Goldman Sachs
New York
|
-$1.04M |
| 5 |
Acadian Asset Management
Boston,
Massachusetts
|
-$1.01M |
SIGA Hedge Fund Activity: Q2 2026 in Review
161 of the 8,355 institutional investors tracked by Wall St. Rank reported a position in SIGA Technologies (SIGA) for Q2 2026, worth a combined $127M — down 31% from $184M a quarter earlier.
Sellers outnumbered buyers: 35 funds closed out of SIGA and 16 opened new positions — a net loss of 19 holders — while 46 trimmed existing stakes and 81 added.
The largest buyer was BlackRock, adding an estimated $3.1M. The largest seller was HRT Financial, exiting entirely with an estimated $1.93M sold.
- 161 institutional investors held SIGA Technologies (SIGA) as of Q2 2026, down from 183 in Q1 2026.
- Funds reported $127M of SIGA Technologies stock for Q2 2026, down 31% quarter-over-quarter.
- 16 funds opened new SIGA Technologies positions in Q2 2026 and 35 closed out, a net change of -19 holders.
- The largest SIGA Technologies buyer in Q2 2026 was BlackRock, an estimated $3.1M added.
- The largest SIGA Technologies seller in Q2 2026 was HRT Financial, an estimated $1.93M sold.
Based on aggregated 13F filings for Q2 2026.