Mariner
TUSK icon

Mariner’s Mammoth Energy Services TUSK Stock Holding History

Mariner’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 		$43.1K Sell
13,287
-13,586
-51% -$39.7K ﹤0.01% 3423
2026
Q1 		$65.8K Buy
+26,873
New +$61.2K ﹤0.01% 3392

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

Mariner's TUSK Position: Q2 2026 in Review

Mariner reduced its Mammoth Energy Services (TUSK) stake by 51% in Q2 2026, selling an estimated $39.7K and leaving 13,287 shares worth $43.1K. The position accounts for ﹤0.01% of the portfolio, ranked #3423.

Mariner first reported a position in TUSK in Q1 2026 and has held it in 2 quarters since. The position peaked at $65.8K in Q1 2026. 94 funds tracked by Wall St. Rank hold TUSK as of Q2 2026.

  • Mariner held 13,287 shares of Mammoth Energy Services worth $43.1K as of Q2 2026.
  • Mariner sold 13,586 Mammoth Energy Services shares in Q2 2026, an estimated $39.7K.
  • Mammoth Energy Services made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3423 holding.
  • Mariner first reported a position in Mammoth Energy Services in Q1 2026 and has held it in 2 quarters since.
  • Mariner's Mammoth Energy Services position peaked at $65.8K in Q1 2026.
  • 94 funds tracked by Wall St. Rank held Mammoth Energy Services as of Q2 2026.

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