EAM Investors’s ProPetro Holding PUMP Stock Holding History

EAM Investors’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 Q1	$2.42M	Buy	+168,077	New	+$2.01M	0.28%	155
2021 Q2	–	Sell	-282,351	Closed	-$3.01M	–	401
2021 Q1	$3.01M	Buy	+282,351	New	+$2.8M	0.45%	47
2019 Q2	–	Sell	-73,969	Closed	-$1.67M	–	305
2019 Q1	$1.67M	Buy	+73,969	New	+$1.32M	0.41%	94
2018 Q1	–	Sell	-136,700	Closed	-$2.76M	–	344
2017 Q4	$2.76M	Buy	+136,700	New	+$2.32M	0.49%	62

Other funds holding PUMP

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VCM

Valiant Capital Management San Francisco, California $1.74B AUM 64.05% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

EAM Investors's PUMP Position: Q1 2026 in Review

EAM Investors opened a new position in ProPetro Holding (PUMP) in Q1 2026: 168,077 shares worth $2.42M. The stake represents 0.28% of the portfolio and ranks #155 among its holdings. This is a return to the name: EAM Investors previously reported a position in PUMP as recently as Q1 2021.

EAM Investors first reported a position in PUMP in Q4 2017 and has held it in 4 quarters since. The position peaked at $3.01M in Q1 2021. 256 funds tracked by Wall St. Rank hold PUMP as of Q1 2026.

EAM Investors held 168,077 shares of ProPetro Holding worth $2.42M as of Q1 2026.
ProPetro Holding was a new EAM Investors position in Q1 2026.
ProPetro Holding made up 0.28% of EAM Investors's portfolio in Q1 2026, its #155 holding.
EAM Investors first reported a position in ProPetro Holding in Q4 2017 and has held it in 4 quarters since.
EAM Investors's ProPetro Holding position peaked at $3.01M in Q1 2021.
256 funds tracked by Wall St. Rank held ProPetro Holding as of Q1 2026.

Based on EAM Investors's 13F filing for Q1 2026, filed 13 May 2026.