MAMMOTH ENERGY SERVICES, INC. - TUSK

Sector: Basic Materials · Industry: Oil & Gas Field Services, NEC
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Company profile

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Quarter snapshot

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Q2 2026 · Q1 2026
Value (USD)
Total reported value ($000)
$85.15M
QoQ value delta ($000)
-$824K (-0.96%)
Implied price effect (QoQ)
+32.56%
Shares
Total shares
26,215,297
QoQ shares delta
-8,871,004 (-25.28%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

Market chart (TUSK)

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Top holders (Q2 2026)

Top 25 only Full list
Partial Q2 2026 data: 93 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
Manager Value ($000) Shares % of 13F
WEXFORD CAPITAL LP 39,233 12,071,823 5.02%
ADAGE CAPITAL PARTNERS GP, L.L.C. 14,868 4,575,000 0.02%
VANGUARD CAPITAL MANAGEMENT LLC 3,443 1,059,603 0.0%
Peapod Lane Capital LLC 2,625 807,804 1.77%
DIMENSIONAL FUND ADVISORS LP 2,247 691,667 0.0%
CITADEL ADVISORS LLC 1,928 593,263 0.0%
JANE STREET GROUP, LLC 1,646 506,662 0.0%
BlackRock, Inc. 1,325 407,976 0.0%
MARSHALL WACE, LLP 1,285 395,583 0.0%
Johns Hopkins University 1,258 387,359 0.08%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1,080 332,313 0.02%
Russell Investments Group, Ltd. 1,071 329,821 0.0%
GEODE CAPITAL MANAGEMENT, LLC 995 306,028 0.0%
RENAISSANCE TECHNOLOGIES LLC 949 292,280 0.0%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 942 290,096 0.0%
Empowered Funds, LLC 784 241,313 0.0%
AQR CAPITAL MANAGEMENT LLC 577 177,824 0.0%
VANGUARD FIDUCIARY TRUST CO 525 161,791 0.0%
Round Rock Advisors LLC 496 152,841 0.06%
MORGAN STANLEY 434 133,560 0.0%
Centiva Capital, LP 425 130,870 0.0%
GSA CAPITAL PARTNERS LLP 421 129,547 0.03%
MILLENNIUM MANAGEMENT LLC 403 124,186 0.0%
ACADIAN ASSET MANAGEMENT LLC 396 122,050 0.0%
Marquette Asset Management, LLC 356 109,826 0.05%