Who Owns TUSK?
Mammoth Energy Services, Inc. — Institutional Ownership & 13F Holdings
$2.51
-0.06 (-2.33%)
Market Cap
$106.0M
Shares Outstanding
48,358,300
Institutional Holders
66
Total Inst. Value
$76.1M
% of Float Held
—
QoQ Holder Change
+9
Institutional data as of Q1 2025
New Positions
13
Closed Positions
10
Increased
19
Decreased
20
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | WEXFORD CAPITAL LP | $45.0M | 22,068,212 |
| 2 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $8.5M | 4,150,000 |
| 3 | VALUEWORKS LLC | $5.7M | 2,808,860 |
| 4 | BlackRock, Inc. | $3.0M | 1,460,797 |
| 5 | ROYCE & ASSOCIATES LP | $2.6M | 1,293,637 |
| 6 | DIMENSIONAL FUND ADVISORS LP | $2.0M | 1,001,204 |
| 7 | VANGUARD GROUP INC | $1.9M | 944,535 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $1.1M | 545,164 |
| 9 | STATE STREET CORP | $820K | 402,363 |
| 10 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $685K | 335,685 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. | +50K | $8.5M |
| DIMENSIONAL FUND ADVISORS LP | +10K | $2.0M |
| GEODE CAPITAL MANAGEMENT, LLC | +8K | $1.1M |
| CITADEL ADVISORS LLC | +166K | $376K |
| Empowered Funds, LLC | +13K | $326K |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| Rangeley Capital, LLC | -226K | $420K |
| ROYCE & ASSOCIATES LP | -156K | $2.6M |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | -125K | $685K |
| JPMORGAN CHASE & CO | -41K | $44K |
| GOLDMAN SACHS GROUP INC | -23K | $136K |
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Frequently Asked Questions
How many institutional investors hold TUSK?
As of Q1 2025, 66 institutional investors report holding TUSK (Mammoth Energy Services, Inc.) in their 13F filings.
Which hedge fund owns the most TUSK?
The largest institutional holder of TUSK is WEXFORD CAPITAL LP with $45.0M in shares.
Are institutions buying or selling TUSK?
This quarter, 13 institutions opened new positions in TUSK and 10 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.