PCM
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Portolan Capital Management’s ProPetro Holding PUMP Stock Holding History

Portolan 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
Q1 		$4.54M Buy
+314,815
New +$3.76M 0.24% 105

Other funds holding PUMP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
D.E. Shaw & Co
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
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Portolan Capital Management's PUMP Position: Q1 2026 in Review

Portolan Capital Management opened a new position in ProPetro Holding (PUMP) in Q1 2026: 314,815 shares worth $4.54M. The stake represents 0.24% of the portfolio and ranks #105 among its holdings.

256 funds tracked by Wall St. Rank hold PUMP as of Q1 2026.

  • Portolan Capital Management held 314,815 shares of ProPetro Holding worth $4.54M as of Q1 2026.
  • ProPetro Holding was a new Portolan Capital Management position in Q1 2026.
  • ProPetro Holding made up 0.24% of Portolan Capital Management's portfolio in Q1 2026, its #105 holding.
  • 256 funds tracked by Wall St. Rank held ProPetro Holding as of Q1 2026.

Based on Portolan Capital Management's 13F filing for Q1 2026, filed 15 May 2026.