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Mammoth Energy Services, Inc.

TUSK
Exchange
Nasdaq
Industry
Oil & Gas Field Services, NEC
SEC CIK
0001679268

In the last 90 days, Mammoth Energy Services, Inc. insiders filed 1 open-market purchase and 0 sales; 93 institutions reported holding it in 13F filings for Q2 2026, worth $84.7M in total; no superinvestor holds it.

Q4 2021 vs. Q3 2021

How the institutions holding Mammoth Energy Services, Inc. changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of TUSK: Q3 2021 compared with Q4 2021
MeasureQ3 2021Q4 2021Change
Holders4644−2
Shares7.60M30.2M+22.6M (+297.6%)
Value$22.1M$14.5M−$7.61M (−34.4%)

New holders (6)

Institutions that held Mammoth Energy Services, Inc. at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to TUSK in Q4 2021
InstitutionSharesValue% of portfolio
Long Focus Capital Management, LLC122,681$223.0K0.06%
Yaupon Capital Management LP100,000$182.0K0.10%
Full Sail Capital, LLC67,721$125.0K0.01%
Virtu Financial LLC15,850$29.0K0.00%
Tower Research Capital LLC (TRC)4,418$8.00K0.00%
Wexford Capital LP22,240,173––

Sold out (8)

Institutions that held Mammoth Energy Services, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of TUSK in Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Cambridge Investment Research Advisors, Inc.55,029$160.0K
Squarepoint Ops LLC45,576$133.0K
Sigma Planning Corp14,500$42.0K
Ergoteles LLC14,599$42.0K
PDT Partners, LLC13,913$40.0K
Group One Trading, L.P.800$2.00K
Harbour Investments, Inc.205$1.00K
O'Shaughnessy Asset Management, LLC286$1.00K