$80,000 of SIGA TECHNOLOGIES lobbying was just disclosed, from Q4 of 2025, in a new Lobbying Disclosure Act filing.
This included lobbying on issues like:
"Biodefense funding"
You can find more data on corporate lobbying on Quiver Quantitative.
SIGA Hedge Fund Activity
We have seen 102 institutional investors add shares of SIGA stock to their portfolio, and 76 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC removed 1,240,173 shares (-60.0%) from their portfolio in Q3 2025, for an estimated $11,347,582
- GENERAL AMERICAN INVESTORS CO INC removed 539,738 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $4,938,602
- AQR CAPITAL MANAGEMENT LLC added 328,725 shares (+1698.3%) to their portfolio in Q3 2025, for an estimated $3,007,833
- RENAISSANCE TECHNOLOGIES LLC removed 290,412 shares (-48.5%) from their portfolio in Q3 2025, for an estimated $2,657,269
- JANUS HENDERSON GROUP PLC added 269,507 shares (+1376.5%) to their portfolio in Q3 2025, for an estimated $2,465,989
- CITADEL ADVISORS LLC removed 269,332 shares (-19.3%) from their portfolio in Q3 2025, for an estimated $2,464,387
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 255,902 shares (+44.2%) to their portfolio in Q3 2025, for an estimated $2,341,503
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
