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TUSK

TUSK

Mammoth Energy Services, Inc.

Institutional holders
96
As of Q2 2026
Total 13F value
$86.3M
Sum of disclosed positions
New positions
29
This quarter
Sold positions
23
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
WEXFORD CAPITAL LP

Wexford Capital Lp

$39.2M12.07M5.02%-45.3%
ADAGE CAPITAL PARTNERS GP, L.L.C.

Adage Capital Partners Gp, L.L.C.

$14.9M4.58M0.02%Unchanged
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$3.4M1.06M0.00%+29.4%
CITADEL ADVISORS LLC

Citadel Advisors

$2.9M904.3K0.00%+36.5%
Peapod Lane Capital LLC

Peapod Lane Capital Llc

$2.6M807.8K1.77%+34.7%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$2.2M691.7K0.00%+0.8%
JANE STREET GROUP, LLC

Jane Street Group, Llc

$1.6M506.7K0.00%+2116.9%
BlackRock, Inc.

Blackrock, Inc.

$1.3M408.0K0.00%-72.0%
MARSHALL WACE, LLP

Marshall Wace, Llp

$1.3M395.6K0.00%New Position
Johns Hopkins University

Johns Hopkins University

$1.3M387.4K0.08%New Position
BRIDGEWAY CAPITAL MANAGEMENT, LLC

Bridgeway Capital Management, Llc

$1.1M332.3K0.02%Unchanged
Russell Investments Group, Ltd.

Russell Investments Group, Ltd.

$1.1M329.8K0.00%+384.8%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$996K306.0K0.00%-49.9%
RENAISSANCE TECHNOLOGIES LLC

Renaissance Technologies

$950K292.3K0.00%+26.0%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Arrowstreet Capital, Limited Partnership

$943K290.1K0.00%New Position
Empowered Funds, LLC

Empowered Funds, Llc

$784K241.3K0.00%Unchanged
AQR CAPITAL MANAGEMENT LLC

Aqr Capital Management Llc

$578K177.8K0.00%+166.5%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$526K161.8K0.00%-4.9%
Round Rock Advisors LLC

Round Rock Advisors, Llc

$497K152.8K0.06%New Position
MORGAN STANLEY

Morgan Stanley

$434K133.6K0.00%-12.6%
Centiva Capital, LP

Centiva Capital, Lp

$425K130.9K0.00%+17.8%
GSA CAPITAL PARTNERS LLP

Gsa Capital Partners Llp

$421K129.5K0.03%+831.4%
MILLENNIUM MANAGEMENT LLC

Millennium Management

$404K124.2K0.00%New Position
ACADIAN ASSET MANAGEMENT LLC

Acadian Asset Management Llc

$396K122.0K0.00%-40.2%
Marquette Asset Management, LLC

Marquette Asset Management, Llc

$357K109.8K0.05%New Position
STIFEL FINANCIAL CORP

Stifel Financial Corp

$343K105.6K0.00%Unchanged
STATE STREET CORP

State Street Corporation

$331K101.9K0.00%-75.9%
BANK OF AMERICA CORP /DE/

Bank Of America

$315K97.0K0.00%+279.3%
BNP PARIBAS FINANCIAL MARKETS

Bnp Paribas Arbitrage, Snc

$302K93.0K0.00%+455.1%
FNY Investment Advisers, LLC

Fny Investment Advisers, Llc

$248K76.5K0.09%New Position
Point72 Asset Management, L.P.

Point72 Asset Management

$234K72.1K0.00%New Position
Boston Partners

Boston Partners

$224K68.9K0.00%-55.4%
Aster Capital Management (DIFC) Ltd

Aster Capital Management (Difc) Ltd

$220K67.6K0.05%
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$202K62.0K0.00%-53.2%
Qube Research & Technologies Ltd

Qube Research & Technologies Ltd

$191K58.9K0.00%New Position
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$190K58.5K0.00%New Position
NORTHERN TRUST CORP

Northern Trust Corp

$186K57.2K0.00%-69.4%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$179K54.9K0.00%-75.4%
SUSQUEHANNA INTERNATIONAL GROUP, LLP

Susquehanna International Group, Llp

$162K49.9K0.00%+37.5%
XTX Topco Ltd

Xtx Topco Ltd

$160K49.3K0.00%New Position
Walleye Capital LLC

Walleye Capital Llc

$160K49.1K0.00%New Position
WELLINGTON MANAGEMENT GROUP LLP

Wellington Management Group Llp

$154K47.5K0.00%-30.6%
ALGERT GLOBAL LLC

Algert Global Llc

$149K46.0K0.00%New Position
Quadrature Capital Ltd

Quadrature Capital Ltd

$143K44.0K0.00%New Position
HSBC HOLDINGS PLC

Hsbc Holdings Plc

$108K33.7K0.00%New Position
HRT FINANCIAL LP

Hrt Financial Lp

$99K30.6K0.00%New Position
UBS Group AG

Ubs Group Ag

$96K29.5K0.00%+285.0%
Connor, Clark & Lunn Investment Management Ltd.

Connor, Clark & Lunn Investment Management Ltd.

$93K28.6K0.00%+97.0%
CAPTRUST FINANCIAL ADVISORS

Captrust Financial Advisors

$87K26.8K0.00%New Position
BARCLAYS PLC

Barclays Plc

$83K25.6K0.00%+357.9%

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