MAMMOTH ENERGY SVCS INC

Ticker: TUSK CUSIP: 56155L108 Class: COM

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
WEXFORD CAPITAL LP22,096,068$40,878
ADAGE CAPITAL PARTNERS GP, L.L.C.4,575,000$8,464
BlackRock, Inc.1,473,044$2,725
VANGUARD GROUP INC1,022,411$1,891
DIMENSIONAL FUND ADVISORS LP699,678$1,294
GEODE CAPITAL MANAGEMENT, LLC585,719$1,084
BRIDGEWAY CAPITAL MANAGEMENT, LLC409,991$758
STATE STREET CORP408,484$756
MORGAN STANLEY292,698$541
Russell Investments Group, Ltd.247,491$458
CITADEL ADVISORS LLC220,111$407
Empowered Funds, LLC218,991$405
RENAISSANCE TECHNOLOGIES LLC186,072$344
NORTHERN TRUST CORP167,845$311
JPMORGAN CHASE & CO165,984$307
Bank of New York Mellon Corp132,674$245
ACADIAN ASSET MANAGEMENT LLC106,892$0
STIFEL FINANCIAL CORP105,572$195
Corient Private Wealth LLC97,902$181
GOLDMAN SACHS GROUP INC89,944$166
OSAIC HOLDINGS, INC.79,686$147
Squarepoint Ops LLC76,164$141
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.72,619$134
FRANKLIN RESOURCES INC72,088$133
CHARLES SCHWAB INVESTMENT MANAGEMENT INC70,674$131
Quadrature Capital Ltd65,875$122
WELLINGTON MANAGEMENT GROUP LLP56,398$104
XTX Topco Ltd45,235$84
Centiva Capital, LP41,317$76
JANE STREET GROUP, LLC39,652$73
BARCLAYS PLC38,064$70
Nuveen, LLC36,843$68
RHUMBLINE ADVISERS32,643$60
MARSHALL WACE, LLP30,801$57
WELLS FARGO & COMPANY/MN27,501$51
BANK OF AMERICA CORP /DE/22,072$41
NewEdge Advisors, LLC20,498$38
Virtu Financial LLC17,973$0
UBS Group AG17,614$33
BNP PARIBAS ARBITRAGE, SA17,014$31
Point72 Asset Management, L.P.14,925$28
STEINBERGANNA WEALTH MANAGEMENT13,615$25
PRICE T ROWE ASSOCIATES INC /MD/13,385$0
VALUEWORKS LLC12,775$24
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.12,298$23
Creative Planning12,106$22
ALLIANCEBERNSTEIN L.P.11,390$21
AQR CAPITAL MANAGEMENT LLC11,255$21
Archer Investment Corp11,200$21
FMR LLC11,106$21
Invesco Ltd.10,710$20
NEW YORK STATE COMMON RETIREMENT FUND10,696$20
SUSQUEHANNA INTERNATIONAL GROUP, LLP10,264$19
Police & Firemen's Retirement System of New Jersey9,637$18
Tower Research Capital LLC (TRC)5,551$10
PNC Financial Services Group, Inc.3,622$7
Legal & General Group Plc2,179$4
Ameritas Investment Partners, Inc.1,924$4
Sterling Capital Management LLC1,674$3
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1,487$3
ROYAL BANK OF CANADA1,100$2
AMALGAMATED BANK762$0
CITIGROUP INC549$1
Optiver Holding B.V.328$1
CWM, LLC265$0
Westside Investment Management, Inc.187$0
SBI Securities Co., Ltd.120$0
Transamerica Financial Advisors, Inc.31$0
IFP Advisors, Inc31$0
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO28$0
EverSource Wealth Advisors, LLC8$0
True Wealth Design, LLC4$0
Total (72 institutions)34,368,514$63,324