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TUSK icon

ValueWorks’s Mammoth Energy Services TUSK Stock Holding History

ValueWorks’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 		– Sell
-10,720
Closed -$26.3K – 43
2026
Q1 		$26.3K Sell
10,720
-2,055
-16% -$4.68K 0.01% 35
2025
Q4 		$23.6K Sell
12,775
-2,025,430
-99% -$4.09M 0.01% 35
2025
Q3 		$4.67M Sell
2,038,205
-350,826
-15% -$864K 1.36% 22
2025
Q2 		$6.7M Sell
2,389,031
-419,829
-15% -$1.07M 2.21% 19
2025
Q1 		$5.73M Sell
2,808,860
-14,325
-0.5% -$38.2K 2.16% 17
2024
Q4 		$8.47M Sell
2,823,185
-313,186
-10% -$1.15M 2.82% 18
2024
Q3 		$12.8M Sell
3,136,371
-199,997
-6% -$732K 4.08% 9
2024
Q2 		$10.9M Sell
3,336,368
-7,250
-0.2% -$24.9K 3.4% 12
2024
Q1 		$12.1M Sell
3,343,618
-6,100
-0.2% -$23K 3.94% 8
2023
Q4 		$14.9M Sell
3,349,718
-24,545
-0.7% -$109K 5.07% 5
2023
Q3 		$15.6M Sell
3,374,263
-9,200
-0.3% -$44.8K 5.68% 6
2023
Q2 		$16.3M Sell
3,383,463
-17,305
-0.5% -$71.7K 5.91% 6
2023
Q1 		$14.4M Sell
3,400,768
-110,924
-3% -$660K 5.46% 6
2022
Q4 		$30.4M Buy
3,511,692
+5,902
+0.2% +$33.6K 10.73% 2
2022
Q3 		$12M Buy
3,505,790
+13,652
+0.4% +$47.6K 4.88% 6
2022
Q2 		$7.68M Sell
3,492,138
-44,242
-1% -$99.1K 3.15% 10
2022
Q1 		$7.53M Sell
3,536,380
-4,878
-0.1% -$8.86K 2.47% 13
2021
Q4 		$6.45M Sell
3,541,258
-38,321
-1% -$100K 2.55% 13
2021
Q3 		$10.4M Buy
3,579,579
+66,708
+2% +$238K 4.44% 7
2021
Q2 		$16.1M Buy
3,512,871
+245,135
+8% +$1.01M 6.95% 3
2021
Q1 		$17.4M Sell
3,267,736
-100,063
-3% -$506K 9.85% 3
2020
Q4 		$15M Sell
3,367,799
-95,836
-3% -$233K 9.57% 2
2020
Q3 		$5.54M Sell
3,463,635
-163,895
-5% -$241K 4.67% 8
2020
Q2 		$4.28M Buy
3,627,530
+482,647
+15% +$560K 3.67% 12
2020
Q1 		$2.35M Buy
3,144,883
+944,182
+43% +$1.24M 2.29% 19
2019
Q4 		$4.84M Buy
+2,200,701
New +$3.95M 3.03% 20

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

ValueWorks's TUSK Position: Q2 2026 in Review

ValueWorks sold out of Mammoth Energy Services (TUSK) in Q2 2026, closing a stake of 10,720 shares — an estimated $26.3K sold.

ValueWorks first reported a position in TUSK in Q4 2019 and held it in 26 quarters. The position peaked at $30.4M in Q4 2022. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

  • ValueWorks reported no remaining Mammoth Energy Services position as of Q2 2026 after selling out during the quarter.
  • ValueWorks sold 10,720 Mammoth Energy Services shares in Q2 2026, an estimated $26.3K.
  • ValueWorks first reported a position in Mammoth Energy Services in Q4 2019 and held it in 26 quarters.
  • ValueWorks's Mammoth Energy Services position peaked at $30.4M in Q4 2022.
  • 94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on ValueWorks's 13F filing for Q2 2026, filed 17 Aug 2026.