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HRT Financial’s Mammoth Energy Services TUSK Stock Holding History

HRT Financial’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
2025
Q4 		– Sell
-15,076
Closed -$34K – 4060
2025
Q3 		$34K Buy
+15,076
New +$37.1K ﹤0.01% 2643
2023
Q2 		– Sell
-131,412
Closed -$554K – 3292
2023
Q1 		$554K Buy
131,412
+69,419
+112% +$413K 0.01% 1292
2022
Q4 		$536K Buy
+61,993
New +$353K 0.01% 1361
2021
Q2 		– Sell
-11,424
Closed -$60K – 3551
2021
Q1 		$60K Buy
+11,424
New +$57.8K ﹤0.01% 2525
2020
Q1 		– Sell
-31,942
Closed -$70K – 1360
2019
Q4 		$70K Buy
+31,942
New +$57.3K ﹤0.01% 1053

Other funds holding TUSK

WC
Wexford Capital West Palm Beach, Florida $690M AUM 57.92% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BCM
Bridgeway Capital Management Houston, Texas $4.97B AUM 44.96% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return

HRT Financial's TUSK Position: Q4 2025 in Review

HRT Financial sold out of Mammoth Energy Services (TUSK) in Q4 2025, closing a stake of 15,076 shares — an estimated $34K sold.

HRT Financial first reported a position in TUSK in Q4 2019 and held it in 5 quarters. The position peaked at $554K in Q1 2023. 72 funds tracked by Wall St. Rank hold TUSK as of Q4 2025.

  • HRT Financial reported no remaining Mammoth Energy Services position as of Q4 2025 after selling out during the quarter.
  • HRT Financial sold 15,076 Mammoth Energy Services shares in Q4 2025, an estimated $34K.
  • HRT Financial first reported a position in Mammoth Energy Services in Q4 2019 and held it in 5 quarters.
  • HRT Financial's Mammoth Energy Services position peaked at $554K in Q1 2023.
  • 72 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q4 2025.

Based on HRT Financial's 13F filing for Q4 2025, filed 12 Feb 2026.