We are live on ! Find out more
SIGA icon

SIGA Technologies

178 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, 63 increasing their positions, 52 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

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

21% more repeat investments, than reductions

Existing positions increased: 63 | Existing positions reduced: 52

6% more funds holding

Funds holding: 168 → 178 (+10)

0.91% less ownership

Funds ownership: 49.16% → 48.25% (-0.91%)

5% less capital inflows, than outflows

Capital inflows: $20.3M | Capital outflows: $21.3M

Holders
178
Holders Change
+10
Holders Change %
+5.95%
% of All Funds
2.33%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
34
Increased
63
Reduced
52
Closed
22
Calls
$763K
Puts
$219K
Net Calls
+$544K
Net Calls Change
+$715K

SIGA Hedge Fund Activity: Q2 2025 in Review

178 of the 7,630 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 63 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.

  • 178 institutional investors held SIGA Technologies (SIGA) as of Q2 2025, up from 168 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.