$120,000 of MAMMOTH ENERGY SERVICES INC lobbying was just disclosed, from Q4 of 2025, 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 1 times in the past 6 months. Of those trades, 1 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:
- ARTHUR H AMRON purchased 10,000 shares for an estimated $18,900
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
TUSK Hedge Fund Activity
We have seen 31 institutional investors add shares of TUSK stock to their portfolio, and 36 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- VALUEWORKS LLC removed 350,826 shares (-14.7%) from their portfolio in Q3 2025, for an estimated $803,391
- CITADEL ADVISORS LLC added 121,833 shares (+83.2%) to their portfolio in Q3 2025, for an estimated $278,997
- DEUTSCHE BANK AG\ added 72,183 shares (+inf%) to their portfolio in Q3 2025, for an estimated $165,299
- WELLINGTON MANAGEMENT GROUP LLP removed 58,814 shares (-51.0%) from their portfolio in Q3 2025, for an estimated $134,684
- DIMENSIONAL FUND ADVISORS LP removed 57,500 shares (-5.8%) from their portfolio in Q3 2025, for an estimated $131,675
- SUSQUEHANNA INTERNATIONAL GROUP, LLP removed 49,674 shares (-40.5%) from their portfolio in Q3 2025, for an estimated $113,753
- MORGAN STANLEY removed 39,960 shares (-21.6%) from their portfolio in Q3 2025, for an estimated $91,508
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.
