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Steve Schonfeld’s Mammoth Energy Services TUSK Stock Holding History

Steve Schonfeld’s Portfolio TUSK Stock Details TUSK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$54.8K Sell
16,864
-1,461
-8% -$4.27K ﹤0.01% 2369
2026
Q1 		$44.9K Buy
+18,325
New +$41.7K ﹤0.01% 1988
2021
Q2 		– Sell
-12,755
Closed -$68K – 2325
2021
Q1 		$68K Buy
12,755
+1,955
+18% +$9.89K ﹤0.01% 1703
2020
Q4 		$48K Buy
+10,800
New +$26.3K ﹤0.01% 1500

Other funds holding TUSK

WC
Wexford Capital West Palm Beach, Florida $782M AUM 62.56% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PLC
Peapod Lane Capital Bedford Hills, New York $148M AUM 89.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
JHU
Johns Hopkins University Baltimore, Maryland $1.5B AUM 13.39% 1-Year Est. Return

Steve Schonfeld's TUSK Position: Q2 2026 in Review

Steve Schonfeld reduced its Mammoth Energy Services (TUSK) stake by 8% in Q2 2026, selling an estimated $4.27K and leaving 16,864 shares worth $54.8K. The position accounts for ﹤0.01% of the portfolio, ranked #2369.

Steve Schonfeld first reported a position in TUSK in Q4 2020 and has held it in 4 quarters since. The position peaked at $68K in Q1 2021. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

  • Steve Schonfeld held 16,864 shares of Mammoth Energy Services worth $54.8K as of Q2 2026.
  • Steve Schonfeld sold 1,461 Mammoth Energy Services shares in Q2 2026, an estimated $4.27K.
  • Mammoth Energy Services made up ﹤0.01% of Steve Schonfeld's portfolio in Q2 2026, its #2369 holding.
  • Steve Schonfeld first reported a position in Mammoth Energy Services in Q4 2020 and has held it in 4 quarters since.
  • Steve Schonfeld's Mammoth Energy Services position peaked at $68K in Q1 2021.
  • 94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.