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Cliff Asness’s Mammoth Energy Services TUSK Stock Holding History

Cliff Asness’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 		$578K Buy
177,824
+111,093
+166% +$325K ﹤0.01% 3323
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

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

Cliff Asness's TUSK Position: Q2 2026 in Review

Cliff Asness increased its Mammoth Energy Services (TUSK) stake by 166% in Q2 2026, buying an estimated $325K and bringing the position to 177,824 shares worth $578K. The position accounts for ﹤0.01% of the portfolio, ranked #3323.

Cliff Asness first reported a position in TUSK in Q2 2018 and has held it in 10 quarters since. The position peaked at $10.9M in Q3 2018. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

  • Cliff Asness held 177,824 shares of Mammoth Energy Services worth $578K as of Q2 2026.
  • Cliff Asness bought 111,093 Mammoth Energy Services shares in Q2 2026, an estimated $325K.
  • Mammoth Energy Services made up ﹤0.01% of Cliff Asness's portfolio in Q2 2026, its #3323 holding.
  • Cliff Asness first reported a position in Mammoth Energy Services in Q2 2018 and has held it in 10 quarters since.
  • Cliff Asness's Mammoth Energy Services position peaked at $10.9M in Q3 2018.
  • 94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on AQR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.