Fidelity Investments
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Fidelity Investments’s Mammoth Energy Services TUSK Stock Holding History

Fidelity Investments’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 		$40.7K Buy
12,531
+389
+3% +$1.14K ﹤0.01% 4395
2026
Q1 		$29.7K Buy
12,142
+1,036
+9% +$2.36K ﹤0.01% 4355
2025
Q4 		$20.5K Sell
11,106
-1,540
-12% -$3.11K ﹤0.01% 4455
2025
Q3 		$29K Buy
12,646
+1,732
+16% +$4.26K ﹤0.01% 4203
2025
Q2 		$30.6K Sell
10,914
-2,520
-19% -$6.45K ﹤0.01% 4117
2025
Q1 		$27.4K Buy
13,434
+4,144
+45% +$11K ﹤0.01% 4102
2024
Q4 		$27.9K Sell
9,290
-1,677
-15% -$6.18K ﹤0.01% 4099
2024
Q3 		$44.9K Buy
10,967
+2,705
+33% +$9.9K ﹤0.01% 3826
2024
Q2 		$27.1K Buy
8,262
+1,164
+16% +$4K ﹤0.01% 3930
2024
Q1 		$25.8K Sell
7,098
-883
-11% -$3.33K ﹤0.01% 3906
2023
Q4 		$35.6K Buy
7,981
+1,737
+28% +$7.7K ﹤0.01% 3679
2023
Q3 		$29K Buy
6,244
+14
+0.2% +$68 ﹤0.01% 3616
2023
Q2 		$30.1K Buy
6,230
+4
+0.1% +$17 ﹤0.01% 3673
2023
Q1 		$26.3K Hold
6,226
– – ﹤0.01% 3723
2022
Q4 		$53.9K Hold
6,226
– – ﹤0.01% 3417
2022
Q3 		$21K Hold
6,226
– – ﹤0.01% 3840
2022
Q2 		$14K Hold
6,226
– – ﹤0.01% 4006
2022
Q1 		$13K Buy
+6,226
New +$11.3K ﹤0.01% 4171
2021
Q3 		– Sell
-1
Closed – – 5035
2021
Q2 		$0 Buy
+1
New +$4 ﹤0.01% 4881
2019
Q4 		– Sell
-370
Closed -$1K – 4268
2019
Q3 		$1K Buy
370
+231
+166% +$1.1K ﹤0.01% 3682
2019
Q2 		$1K Buy
+139
New +$1.77K ﹤0.01% 3647
2019
Q1 		– Sell
-1
Closed – – 4214
2018
Q4 		$0 Hold
1
– – ﹤0.01% 4166
2018
Q3 		$0 Buy
+1
New +$33 ﹤0.01% 3802

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

Fidelity Investments's TUSK Position: Q2 2026 in Review

Fidelity Investments increased its Mammoth Energy Services (TUSK) stake by 3.2% in Q2 2026, buying an estimated $1.14K and bringing the position to 12,531 shares worth $40.7K. The position accounts for ﹤0.01% of the portfolio, ranked #4395.

Fidelity Investments first reported a position in TUSK in Q3 2018 and has held it in 23 quarters since. The position peaked at $53.9K in Q4 2022. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

  • Fidelity Investments held 12,531 shares of Mammoth Energy Services worth $40.7K as of Q2 2026.
  • Fidelity Investments bought 389 Mammoth Energy Services shares in Q2 2026, an estimated $1.14K.
  • Mammoth Energy Services made up ﹤0.01% of Fidelity Investments's portfolio in Q2 2026, its #4395 holding.
  • Fidelity Investments first reported a position in Mammoth Energy Services in Q3 2018 and has held it in 23 quarters since.
  • Fidelity Investments's Mammoth Energy Services position peaked at $53.9K in Q4 2022.
  • 94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

Based on Fidelity Investments's 13F filing for Q2 2026, filed 13 Aug 2026.