Walleye Capital
TUSK icon

Walleye Capital’s Mammoth Energy Services TUSK Stock Holding History

Walleye Capital’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 		$160K Buy
+49,141
New +$144K ﹤0.01% 3630
2019
Q4 		– Sell
-77,759
Closed -$193K – 2264
2019
Q3 		$193K Buy
77,759
+50,143
+182% +$238K 0.01% 1216
2019
Q2 		$190K Buy
+27,616
New +$351K 0.02% 992

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 40.89% 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

Walleye Capital's TUSK Position: Q2 2026 in Review

Walleye Capital opened a new position in Mammoth Energy Services (TUSK) in Q2 2026: 49,141 shares worth $160K. The stake represents ﹤0.01% of the portfolio and ranks #3630 among its holdings. This is a return to the name: Walleye Capital previously reported a position in TUSK as recently as Q3 2019.

Walleye Capital first reported a position in TUSK in Q2 2019 and has held it in 3 quarters since. The position peaked at $193K in Q3 2019. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

  • Walleye Capital held 49,141 shares of Mammoth Energy Services worth $160K as of Q2 2026.
  • Mammoth Energy Services was a new Walleye Capital position in Q2 2026.
  • Mammoth Energy Services made up ﹤0.01% of Walleye Capital's portfolio in Q2 2026, its #3630 holding.
  • Walleye Capital first reported a position in Mammoth Energy Services in Q2 2019 and has held it in 3 quarters since.
  • Walleye Capital's Mammoth Energy Services position peaked at $193K in Q3 2019.
  • 94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on Walleye Capital's 13F filing for Q2 2026, filed 3 Aug 2026.