Group One Trading
TUSK icon

Group One Trading’s Mammoth Energy Services TUSK Stock Holding History

Group One Trading’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 		$16.9K Buy
5,200
+4,600
+767% +$13.5K ﹤0.01% 6115
2026
Q1 		$1.47K Buy
+600
New +$1.37K ﹤0.01% 7131
2025
Q3 		– Sell
-10,200
Closed -$28.6K – 9185
2025
Q2 		$28.6K Sell
10,200
-14,000
-58% -$35.8K ﹤0.01% 6028
2025
Q1 		$49.4K Sell
24,200
-20,500
-46% -$54.6K ﹤0.01% 5172
2024
Q4 		$134K Sell
44,700
-23,700
-35% -$87.3K ﹤0.01% 4269
2024
Q3 		$280K Buy
68,400
+67,000
+4,786% +$245K ﹤0.01% 3324
2024
Q2 		$4.59K Buy
+1,400
New +$4.81K ﹤0.01% 5992
2024
Q1 		– Sell
-36,500
Closed -$163K – 7982
2023
Q4 		$163K Buy
36,500
+35,300
+2,942% +$157K ﹤0.01% 4045
2023
Q3 		$5.57K Sell
1,200
-3,600
-75% -$17.5K ﹤0.01% 6649
2023
Q2 		$23.2K Sell
4,800
-1,700
-26% -$7.04K ﹤0.01% 5888
2023
Q1 		$27.4K Buy
6,500
+5,300
+442% +$31.6K ﹤0.01% 5307
2022
Q4 		$10.4K Sell
1,200
-1,600
-57% -$9.11K ﹤0.01% 6013
2022
Q3 		$10K Sell
2,800
-5,200
-65% -$18.1K ﹤0.01% 6515
2022
Q2 		$18K Buy
8,000
+2,200
+38% +$4.93K ﹤0.01% 6376
2022
Q1 		$12K Sell
5,800
-12,100
-68% -$22K ﹤0.01% 7090
2021
Q4 		$33K Buy
17,900
+17,200
+2,457% +$44.9K ﹤0.01% 6650
2021
Q3 		$2K Sell
700
-3,400
-83% -$12.1K ﹤0.01% 7968
2021
Q2 		$19K Sell
4,100
-24,800
-86% -$102K ﹤0.01% 7229
2021
Q1 		$154K Buy
28,900
+24,000
+490% +$121K ﹤0.01% 5268
2020
Q4 		$22K Sell
4,900
-600
-11% -$1.46K ﹤0.01% 5472
2020
Q3 		$9K Sell
5,500
-1,500
-21% -$2.21K ﹤0.01% 5471
2020
Q2 		$8K Buy
+7,000
New +$8.12K ﹤0.01% 5230
2019
Q4 		– Sell
-600
Closed -$1K – 5641
2019
Q3 		$1K Sell
600
-15,400
-96% -$73.1K ﹤0.01% 5015
2019
Q2 		$110K Buy
16,000
+15,600
+3,900% +$198K ﹤0.01% 3284
2019
Q1 		$7K Buy
+400
New +$8.54K ﹤0.01% 4377

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

Group One Trading's TUSK Position: Q2 2026 in Review

Group One Trading opened a new position in Mammoth Energy Services (TUSK) in Q2 2026: 777 shares worth $2.52K. The stake represents ﹤0.01% of the portfolio and ranks #6976 among its holdings. This is a return to the name: Group One Trading previously reported a position in TUSK as recently as Q2 2025.

Group One Trading first reported a position in TUSK in Q3 2018 and has held it in 17 quarters since. The position peaked at $733K in Q4 2022. 93 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

  • Group One Trading held 777 shares of Mammoth Energy Services worth $2.52K as of Q2 2026.
  • Mammoth Energy Services was a new Group One Trading position in Q2 2026.
  • Mammoth Energy Services made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #6976 holding.
  • Group One Trading first reported a position in Mammoth Energy Services in Q3 2018 and has held it in 17 quarters since.
  • Group One Trading's Mammoth Energy Services position peaked at $733K in Q4 2022.
  • 93 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.