Mariner
PUMP icon

Mariner’s ProPetro Holding PUMP Stock Holding History

Mariner’s Portfolio PUMP Stock Details PUMP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-10,499
Closed -$151K – 3842
2026
Q1 		$151K Buy
+10,499
New +$126K ﹤0.01% 3234
2025
Q3 		– Sell
-20,123
Closed -$120K – 3720
2025
Q2 		$120K Buy
20,123
+7,239
+56% +$41.4K ﹤0.01% 3198
2025
Q1 		$94.7K Sell
12,884
-9,803
-43% -$85.2K ﹤0.01% 3198
2024
Q4 		$212K Buy
22,687
+4,304
+23% +$35.4K ﹤0.01% 2955
2024
Q3 		$141K Sell
18,383
-7,644
-29% -$62.4K ﹤0.01% 3021
2024
Q2 		$225K Buy
26,027
+8,790
+51% +$78.4K ﹤0.01% 2682
2024
Q1 		$139K Buy
17,237
+1,157
+7% +$9.03K ﹤0.01% 2864
2023
Q4 		$135K Sell
16,080
-4,020
-20% -$37.9K ﹤0.01% 2797
2023
Q3 		$214K Buy
20,100
+43
+0.2% +$427 ﹤0.01% 2446
2023
Q2 		$165K Buy
20,057
+5,946
+42% +$43.7K ﹤0.01% 2526
2023
Q1 		$101K Sell
14,111
-186
-1% -$1.69K ﹤0.01% 2578
2022
Q4 		$148K Buy
14,297
+1,924
+16% +$20.3K ﹤0.01% 2430
2022
Q3 		$100K Buy
+12,373
New +$111K ﹤0.01% 2205

Other funds holding PUMP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
ECA
Encompass Capital Advisors New York $2.81B AUM 198.36% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
CCPM
Cooper Creek Partners Management New York $4.21B AUM 44.81% 1-Year Est. Return
VCM
Valiant Capital Management San Francisco, California $2.48B AUM 57.08% 1-Year Est. Return
VAS
VR Advisory Services Camana Bay, Grand Cayman, Cayman Islands $1.13B AUM 38.97% 1-Year Est. Return

Mariner's PUMP Position: Q2 2026 in Review

Mariner sold out of ProPetro Holding (PUMP) in Q2 2026, closing a stake of 10,499 shares — an estimated $151K sold.

Mariner first reported a position in PUMP in Q3 2022 and held it in 13 quarters. The position peaked at $225K in Q2 2024. 270 funds tracked by Wall St. Rank hold PUMP as of Q2 2026.

  • Mariner reported no remaining ProPetro Holding position as of Q2 2026 after selling out during the quarter.
  • Mariner sold 10,499 ProPetro Holding shares in Q2 2026, an estimated $151K.
  • Mariner first reported a position in ProPetro Holding in Q3 2022 and held it in 13 quarters.
  • Mariner's ProPetro Holding position peaked at $225K in Q2 2024.
  • 270 funds tracked by Wall St. Rank held ProPetro Holding as of Q2 2026.

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