Institutional Ownership Mammoth Energy Services, Inc. (TUSK)
This table provides information about the institutional ownership of Mammoth Energy Services, Inc. (TUSK). We have compiled data on the 69 institutions that hold shares in the stock, with a total of 37.4 Million shares, which have been reported (via 13F filing form) to have a value of $94.5 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Wexford Capital LP
Greenwich, CT |
May 15, 2025 Q1 2025 |
22,068,212
shares
|
$55.8 Million
13.24% of portfolio
|
Q3 2024
Reduced 0.05%
|
|
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
May 15, 2025 Q1 2025 |
4,150,000
shares
|
$10.5 Million
0.02% of portfolio
|
Q1 2025
Added 1.22%
|
|
|
Valueworks LLC
New York, NY |
May 14, 2025 Q1 2025 |
2,808,860
shares
|
$7.11 Million
2.44% of portfolio
|
Q1 2025
Reduced 0.51%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
1,410,164
shares
|
$3.57 Million
0.0% of portfolio
|
Q2 2024
Reduced 2.32%
|
|
|
Royce & Associates LP
|
May 06, 2025 Q1 2025 |
1,293,637
shares
|
$3.27 Million
0.03% of portfolio
|
Q1 2025
Reduced 10.78%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
May 13, 2025 Q1 2025 |
1,001,204
shares
|
$2.53 Million
0.0% of portfolio
|
Q1 2025
Added 1.01%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
944,535
shares
|
$2.39 Million
0.0% of portfolio
|
Q1 2025
Reduced 0.23%
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
545,164
shares
|
$1.38 Million
0.0% of portfolio
|
Q1 2025
Added 1.45%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
402,363
shares
|
$1.02 Million
0.0% of portfolio
|
Q4 2024
Reduced 0.33%
|
|
|
Bridgeway Capital Management, LLC
Houston, TX |
May 15, 2025 Q1 2025 |
335,685
shares
|
$849,283
0.02% of portfolio
|
Q1 2025
Reduced 27.07%
|
|
|
Rangeley Capital, LLC
New Canaan, CT |
May 14, 2025 Q1 2025 |
205,880
shares
|
$520,876
0.45% of portfolio
|
Q1 2025
Reduced 52.38%
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
203,027
shares
|
$513,658
0.0% of portfolio
|
Q1 2025
Reduced 1.46%
|
|
|
Monarch Partners Asset Management LLC
|
Feb 02, 2023 Q4 2022 |
195,964
shares
|
$495,788
0.52% of portfolio
|
Q4 2022
New holding
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
May 15, 2025 Q1 2025 |
184,071
shares
|
$465,699
0.0% of portfolio
|
Q1 2025
Added 930.34%
|
|
|
Castle Knight Management LP
New York, NY |
May 15, 2025 Q1 2025 |
167,433
shares
|
$423,605
0.01% of portfolio
|
Q4 2023
Reduced 10.67%
|
|
|
Empowered Funds, LLC
|
May 16, 2025 Q1 2025 |
159,685
shares
|
$404,003
0.0% of portfolio
|
Q1 2025
Added 8.94%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
May 14, 2025 Q1 2025 |
135,272
shares
|
$342,238
0.0% of portfolio
|
Q1 2025
Added 1.27%
|
|
|
Stifel Financial Corp
St. Louis, MO |
May 13, 2025 Q1 2025 |
105,572
shares
|
$267,097
0.0% of portfolio
|
Q1 2025
Reduced 0.05%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
May 14, 2025 Q1 2025 |
93,489
shares
|
$236,527
0.0% of portfolio
|
Q1 2025
Added 56.99%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
91,234
shares
|
$230,822
0.0% of portfolio
|
Q1 2025
Added 0.28%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
May 09, 2025 Q1 2025 |
70,674
shares
|
$178,805
0.0% of portfolio
|
Q4 2024
Added 11.11%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Jun 26, 2025 Q1 2025 |
66,588
shares
|
$168,467
0.0% of portfolio
|
Q1 2025
Reduced 25.55%
|
|
|
Wellington Management Group LLP
Boston, MA |
May 13, 2025 Q1 2025 |
61,799
shares
|
$156,351
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
May 12, 2025 Q1 2025 |
59,550
shares
|
$150,661
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
58,674
shares
|
$148,445
0.0% of portfolio
|
Q1 2025
New holding
|