AQR Capital Management’s Mammoth Energy Services TUSK Stock Holding History

AQR Capital Management’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 Q1	$163K	Buy	66,731 +55,476	+493%	+$126K	﹤0.01%	3634
2025 Q4	$20.8K	Sell	11,255 -44	-0.4%	-$89	﹤0.01%	3546
2025 Q3	$25.9K	Buy	+11,299	New	+$27.8K	﹤0.01%	3443
2019 Q4	–	Sell	-84,069	Closed	-$208K	–	2179
2019 Q3	$208K	Sell	84,069 -56,181	-40%	-$267K	﹤0.01%	2005
2019 Q2	$965K	Sell	140,250 -125,563	-47%	-$1.6M	﹤0.01%	1505
2019 Q1	$4.43M	Sell	265,813 -105,646	-28%	-$2.26M	﹤0.01%	1020
2018 Q4	$6.68M	Sell	371,459 -3,087	-0.8%	-$75.9K	0.01%	852
2018 Q3	$10.9M	Buy	374,546 +277,218	+285%	+$9.13M	0.01%	755
2018 Q2	$3.31M	Buy	+97,328	New	+$3.42M	﹤0.01%	1197

Other funds holding TUSK

Wexford Capital West Palm Beach, Florida $690M AUM 57.92% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

PLC

Peapod Lane Capital Bedford Hills, New York $122M AUM 67.29% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BCM

Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

AQR Capital Management's TUSK Position: Q1 2026 in Review

AQR Capital Management increased its Mammoth Energy Services (TUSK) stake by 493% in Q1 2026, buying an estimated $126K and bringing the position to 66,731 shares worth $163K. The position accounts for ﹤0.01% of the portfolio, ranked #3634.

AQR Capital Management first reported a position in TUSK in Q2 2018 and has held it in 9 quarters since. The position peaked at $10.9M in Q3 2018. 90 funds tracked by Wall St. Rank hold TUSK as of Q1 2026.

AQR Capital Management held 66,731 shares of Mammoth Energy Services worth $163K as of Q1 2026.
AQR Capital Management bought 55,476 Mammoth Energy Services shares in Q1 2026, an estimated $126K.
Mammoth Energy Services made up ﹤0.01% of AQR Capital Management's portfolio in Q1 2026, its #3634 holding.
AQR Capital Management first reported a position in Mammoth Energy Services in Q2 2018 and has held it in 9 quarters since.
AQR Capital Management's Mammoth Energy Services position peaked at $10.9M in Q3 2018.
90 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q1 2026.

Based on AQR Capital Management's 13F filing for Q1 2026, filed 15 May 2026.