SIR Capital Management’s ProPetro Holding PUMP Stock Holding History

SIR Capital Management’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	$12M	Sell	835,863 -67,267	-7%	-$1.05M	1.38%	20
2026 Q1	$13M	Sell	903,130 -442,944	-33%	-$5.3M	1.22%	28
2025 Q4	$12.8M	Buy	1,346,074 +1,254,774	+1,374%	+$10.9M	1.42%	24
2025 Q3	$478K	Sell	91,300 -720,754	-89%	-$3.82M	0.04%	77
2025 Q2	$4.85M	Buy	812,054 +170,654	+27%	+$976K	0.43%	58
2025 Q1	$4.71M	Buy	+641,400	New	+$5.58M	0.41%	52
2024 Q1	–	Sell	-340,304	Closed	-$2.85M	–	80
2023 Q4	$2.85M	Sell	340,304 -116,643	-26%	-$1.1M	0.29%	60
2023 Q3	$4.86M	Buy	+456,947	New	+$4.53M	0.58%	49
2022 Q4	–	Sell	-62,300	Closed	-$502K	–	75
2022 Q3	$502K	Sell	62,300 -167,499	-73%	-$1.5M	0.08%	69
2022 Q2	$2.3M	Sell	229,799 -18,564	-7%	-$244K	0.32%	58
2022 Q1	$3.46M	Sell	248,363 -460,616	-65%	-$5.5M	0.61%	43
2021 Q4	$5.74M	Buy	+708,979	New	+$6.45M	0.91%	37
2021 Q3	–	Sell	-98,002	Closed	-$898K	–	78
2021 Q2	$898K	Buy	+98,002	New	+$1.02M	0.13%	56
2021 Q1	–	Sell	-454,014	Closed	-$3.35M	–	81
2020 Q4	$3.35M	Buy	+454,014	New	+$2.53M	0.66%	38
2019 Q1	–	Sell	-324,590	Closed	-$4M	–	59
2018 Q4	$4M	Buy	324,590 +304,590	+1,523%	+$5.02M	1.33%	18
2018 Q3	$330K	Buy	+20,000	New	+$322K	0.05%	57
2017 Q4	–	Sell	-526,828	Closed	-$7.56M	–	49
2017 Q3	$7.56M	Buy	+526,828	New	+$6.61M	0.98%	36

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

SIR Capital Management's PUMP Position: Q2 2026 in Review

SIR Capital Management reduced its ProPetro Holding (PUMP) stake by 7.4% in Q2 2026, selling an estimated $1.05M and leaving 835,863 shares worth $12M. The position accounts for 1.38% of the portfolio, ranked #20.

SIR Capital Management first reported a position in PUMP in Q3 2017 and has held it in 17 quarters since. The position peaked at $13M in Q1 2026. 269 funds tracked by Wall St. Rank hold PUMP as of Q2 2026.

SIR Capital Management held 835,863 shares of ProPetro Holding worth $12M as of Q2 2026.
SIR Capital Management sold 67,267 ProPetro Holding shares in Q2 2026, an estimated $1.05M.
ProPetro Holding made up 1.38% of SIR Capital Management's portfolio in Q2 2026, its #20 holding.
SIR Capital Management first reported a position in ProPetro Holding in Q3 2017 and has held it in 17 quarters since.
SIR Capital Management's ProPetro Holding position peaked at $13M in Q1 2026.
269 funds tracked by Wall St. Rank held ProPetro Holding as of Q2 2026.

Based on SIR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.