Marshall Wace’s ProPetro Holding PUMP Stock Holding History

Marshall Wace’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	$1.66M	Buy	+115,443	New	+$1.79M	﹤0.01%	1955
2026 Q1	–	Sell	-27,100	Closed	-$258K	–	3590
2025 Q4	$258K	Buy	+27,100	New	+$236K	﹤0.01%	2507
2025 Q1	–	Sell	-53,835	Closed	-$502K	–	3008
2024 Q4	$502K	Buy	+53,835	New	+$443K	﹤0.01%	2026
2023 Q2	–	Sell	-847,975	Closed	-$6.1M	–	2890
2023 Q1	$6.1M	Buy	+847,975	New	+$7.69M	0.01%	898
2022 Q2	–	Sell	-229,077	Closed	-$3.19M	–	3762
2022 Q1	$3.19M	Sell	229,077 -1,038,798	-82%	-$12.4M	0.01%	1743
2021 Q4	$10.3M	Buy	+1,267,875	New	+$11.5M	0.02%	843
2020 Q1	–	Sell	-63,060	Closed	-$709K	–	1984
2019 Q4	$709K	Buy	63,060 +15,097	+31%	+$135K	﹤0.01%	1062
2019 Q3	$436K	Buy	+47,963	New	+$666K	﹤0.01%	1134
2019 Q2	–	Sell	-138,352	Closed	-$3.12M	–	1745
2019 Q1	$3.12M	Sell	138,352 -140,604	-50%	-$2.52M	0.03%	611
2018 Q4	$3.44M	Buy	+278,956	New	+$4.59M	0.04%	572

Other funds holding PUMP

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

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 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

Marshall Wace's PUMP Position: Q2 2026 in Review

Marshall Wace opened a new position in ProPetro Holding (PUMP) in Q2 2026: 115,443 shares worth $1.66M. The stake represents ﹤0.01% of the portfolio and ranks #1955 among its holdings. This is a return to the name: Marshall Wace previously reported a position in PUMP as recently as Q4 2025.

Marshall Wace first reported a position in PUMP in Q4 2018 and has held it in 10 quarters since. The position peaked at $10.3M in Q4 2021. 270 funds tracked by Wall St. Rank hold PUMP as of Q2 2026.

Marshall Wace held 115,443 shares of ProPetro Holding worth $1.66M as of Q2 2026.
ProPetro Holding was a new Marshall Wace position in Q2 2026.
ProPetro Holding made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1955 holding.
Marshall Wace first reported a position in ProPetro Holding in Q4 2018 and has held it in 10 quarters since.
Marshall Wace's ProPetro Holding position peaked at $10.3M in Q4 2021.
270 funds tracked by Wall St. Rank held ProPetro Holding as of Q2 2026.

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