Quadrature Capital’s Mammoth Energy Services TUSK Stock Holding History

Quadrature 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	$143K	Buy	+44,015	New	+$129K	﹤0.01%	1422
2026 Q1	–	Sell	-65,875	Closed	-$122K	–	1862
2025 Q4	$122K	Buy	+65,875	New	+$133K	﹤0.01%	1066
2023 Q1	–	Sell	-41,847	Closed	-$361K	–	1183
2022 Q4	$361K	Buy	+41,847	New	+$238K	0.01%	582
2022 Q2	–	Sell	-42,645	Closed	-$92K	–	974
2022 Q1	$92K	Buy	+42,645	New	+$77.4K	﹤0.01%	669
2018 Q3	–	Sell	-10,499	Closed	-$357K	–	772
2018 Q2	$357K	Buy	+10,499	New	+$369K	0.03%	367

Other funds holding TUSK

Wexford Capital West Palm Beach, Florida $782M AUM 62.56% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

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 Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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

Quadrature Capital's TUSK Position: Q2 2026 in Review

Quadrature Capital opened a new position in Mammoth Energy Services (TUSK) in Q2 2026: 44,015 shares worth $143K. The stake represents ﹤0.01% of the portfolio and ranks #1422 among its holdings. This is a return to the name: Quadrature Capital previously reported a position in TUSK as recently as Q4 2025.

Quadrature Capital first reported a position in TUSK in Q2 2018 and has held it in 5 quarters since. The position peaked at $361K in Q4 2022. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

Quadrature Capital held 44,015 shares of Mammoth Energy Services worth $143K as of Q2 2026.
Mammoth Energy Services was a new Quadrature Capital position in Q2 2026.
Mammoth Energy Services made up ﹤0.01% of Quadrature Capital's portfolio in Q2 2026, its #1422 holding.
Quadrature Capital first reported a position in Mammoth Energy Services in Q2 2018 and has held it in 5 quarters since.
Quadrature Capital's Mammoth Energy Services position peaked at $361K in Q4 2022.
94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on Quadrature Capital's 13F filing for Q2 2026, filed 7 Aug 2026.