MAMMOTH ENERGY SVCS INC

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TUSK·56155L108·US·equity·Industrials - Conglomerates-13D/G

TUSK (MAMMOTH ENERGY SVCS INC) is held by 54 institutional investors as of Q1 2026. Largest holders: ADAGE CAPITAL PARTNERS GP, L.L.C. ($11.2M), BlackRock, Inc. ($3.6M), DIMENSIONAL FUND ADVISORS LP ($1.7M). Net institutional sentiment: Mixed.

54

Holders

Avg rating(6 Elite)

$25.9M

Total Value

52% (65)

Fund Consensus

30 buying - 28 selling

Smart Money Verdict

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53Mixed MomentumStrong Convergence

Institutional (13F)55

Insider (Form 4)51

Activist (13D/13G)50

Congressional (STOCK Act)

No data

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See how TUSK's score breaks down across 4 SEC sources

Holder Quality

6

★★★★★

Elite

19

★★★★

Strong

22

★★★

Solid

13

★★

Below

5

★

Weak

Held by 54 funds

6 elite

Who's Trading

InsiderAHAmron Arthur HBuy $19KDec 11, 2025

ActivistVAVALUEWORKS LIMITED PARTNERS, LP3.9%Aug 14, 2025

InsiderSLSMITH ARTHUR LSell $50KMay 22, 2025

InsiderUNUnknownSell $125KMay 20, 2025

InsiderSLSMITH ARTHUR LSell $37KMay 19, 2025

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13F: Mar 31, 2026Insider & Congress: Updated regularly

Positions (54)History

AllNewIncreasedHeldDecreasedExited

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
AGADAGE CAPITAL PARTNERS GP, L.L.C.	Unchanged	4.6M	$11.2M	0.0%	+6.34%	0
BlackRock, Inc.	Decreased	1.5M(-1.2%)	$3.6M	0.0%	+15.64%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	686,199(-1.9%)	$1.7M	0.0%	-20.50%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	610,926(+4.3%)	$1.5M	0.0%	-42.45%	27
STATE STREET CORP	Increased	421,922(+3.3%)	$1M	0.0%	-26.49%	18
CITADEL ADVISORS LLC	Increased	331,367(+50.5%)	$811,849	0.0%	+34.55%	34
Empowered Funds, LLC	Increased	241,313(+10.2%)	$591,217	0.0%	+1.50%	27
RENAISSANCE TECHNOLOGIES LLC	Increased	231,972(+24.7%)	$568,331	0.0%	+17.12%	30
GOLDMAN SACHS GROUP INC	Increased	223,489(+148.5%)	$547,549	0.0%	+31.81%	39
NORTHERN TRUST CORP	Increased	187,128(+11.5%)	$458,464	0.0%	-36.66%	27
LOS ANGELES CAPITAL MANAGEMENT LLC	New	163,259	$399,984	0.0%	+30.08%	33
Boston Partners	New	154,388	$378,250	0.0%	+30.08%	33
MORGAN STANLEY	Decreased	152,723(-47.8%)	$374,172	0.0%	+26.39%	0
Bank of New York Mellon Corp	Decreased	132,539(-0.1%)	$324,720	0.0%	-25.30%	0
Centiva Capital, LP	Increased	111,108(+168.9%)	$272,215	0.0%	+43.77%	38
STIFEL FINANCIAL CORP	Unchanged	105,572	$258,651	0.0%	+125.00%	0
OSAIC HOLDINGS, INC.	Decreased	72,419(-9.1%)	$177,395	0.0%	+10.25%	0
WELLINGTON MANAGEMENT GROUP LLP	Increased	68,415(+21.3%)	$167,617	0.0%	+1.24%	18
Russell Investments Group, Ltd.	Decreased	68,030(-72.5%)	$166,673	0.0%	+74.42%	0
AQR CAPITAL MANAGEMENT LLC	Increased	66,731(+492.9%)	$163,491	0.0%	+30.71%	36

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High Conviction Moves-Signal Convergence-Fund Consensus-Double-Down Signals

Data sourced from four SEC data sources: 13F, Form 4, 13D/13G, and STOCK Act. Not financial advice. Full disclaimer