$80,000 of SIGA TECHNOLOGIES lobbying was just disclosed, from Q1 of 2026, 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 97 institutional investors add shares of SIGA stock to their portfolio, and 88 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- AQR CAPITAL MANAGEMENT LLC added 524,714 shares (+150.7%) to their portfolio in Q4 2025, for an estimated $3,206,002
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 383,487 shares (-75.0%) from their portfolio in Q4 2025, for an estimated $2,343,105
- MILLENNIUM MANAGEMENT LLC added 232,973 shares (+90.9%) to their portfolio in Q4 2025, for an estimated $1,423,465
- FEDERATED HERMES, INC. removed 209,674 shares (-60.0%) from their portfolio in Q4 2025, for an estimated $1,281,108
- ACADIAN ASSET MANAGEMENT LLC added 208,708 shares (+244.2%) to their portfolio in Q4 2025, for an estimated $1,275,205
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 190,397 shares (+22.8%) to their portfolio in Q4 2025, for an estimated $1,163,325
- MORGAN STANLEY removed 162,506 shares (-24.7%) from their portfolio in Q4 2025, for an estimated $992,911
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
