$120,000 of MAMMOTH ENERGY SERVICES INC lobbying was just disclosed, from Q2 of 2026, in a new Lobbying Disclosure Act filing.
This included lobbying on issues like:
"Educate Congress on municipal taxation issue"
You can find more data on corporate lobbying on Quiver Quantitative.
TUSK Insider Trading Activity
TUSK insiders have traded $TUSK stock on the open market 5 times in the past 6 months. Of those trades, 5 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $TUSK stock by insiders over the last 6 months:
- CAPITAL LP WEXFORD (Chief Business Officer) purchased 4,019,574 shares for an estimated $10,468,176
- ARTHUR H AMRON has made 4 purchases buying 10,000 shares for an estimated $32,459 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
TUSK Hedge Fund Activity
We have seen 51 institutional investors add shares of TUSK stock to their portfolio, and 28 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- PEAPOD LANE CAPITAL LLC added 599,805 shares (+inf%) to their portfolio in Q1 2026, for an estimated $1,469,522
- RUSSELL INVESTMENTS GROUP, LTD. removed 179,461 shares (-72.5%) from their portfolio in Q1 2026, for an estimated $439,679
- BOSTON PARTNERS added 154,388 shares (+inf%) to their portfolio in Q1 2026, for an estimated $378,250
- MORGAN STANLEY removed 139,975 shares (-47.8%) from their portfolio in Q1 2026, for an estimated $342,938
- GOLDMAN SACHS GROUP INC added 133,545 shares (+148.5%) to their portfolio in Q1 2026, for an estimated $327,185
- CITADEL ADVISORS LLC added 111,256 shares (+50.5%) to their portfolio in Q1 2026, for an estimated $272,577
- MARQUETTE ASSET MANAGEMENT, LLC added 109,826 shares (+inf%) to their portfolio in Q2 2026, for an estimated $356,934
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 13F endpoint.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.