State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s ProPetro Holding PUMP Stock Holding History

State of Wisconsin Investment Board’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 		$1.8M Buy
124,924
+83,488
+201% +$998K ﹤0.01% 1442
2025
Q4 		$394K Sell
41,436
-21,418
-34% -$186K ﹤0.01% 2052
2025
Q3 		$329K Buy
+62,854
New +$334K ﹤0.01% 2074
2023
Q4 		– Sell
-220,541
Closed -$2.34M – 2532
2023
Q3 		$2.34M Sell
220,541
-89,053
-29% -$884K 0.01% 1209
2023
Q2 		$2.55M Sell
309,594
-10,691
-3% -$78.5K 0.01% 1228
2023
Q1 		$2.3M Sell
320,285
-181,972
-36% -$1.65M 0.01% 1258
2022
Q4 		$5.21M Sell
502,257
-4,827
-1% -$50.8K 0.02% 913
2022
Q3 		$4.08M Sell
507,084
-4,118
-0.8% -$36.8K 0.01% 1043
2022
Q2 		$5.11M Sell
511,202
-444,798
-47% -$5.85M 0.01% 981
2022
Q1 		$13.3M Buy
956,000
+367,000
+62% +$4.38M 0.03% 638
2021
Q4 		$4.77M Hold
589,000
– – 0.01% 1054
2021
Q3 		$5.09M Hold
589,000
– – 0.01% 1038
2021
Q2 		$5.39M Hold
589,000
– – 0.01% 1024
2021
Q1 		$6.28M Hold
589,000
– – 0.01% 939
2020
Q4 		$4.35M Buy
+589,000
New +$3.28M 0.01% 1034
2018
Q2 		– Sell
-246,700
Closed -$3.92M – 1492
2018
Q1 		$3.92M Hold
246,700
– – 0.01% 893
2017
Q4 		$4.97M Buy
+246,700
New +$4.18M 0.01% 858

Other funds holding PUMP

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 1-Year Est. Return

State of Wisconsin Investment Board's PUMP Position: Q1 2026 in Review

State of Wisconsin Investment Board increased its ProPetro Holding (PUMP) stake by 201% in Q1 2026, buying an estimated $998K and bringing the position to 124,924 shares worth $1.8M. The position accounts for ﹤0.01% of the portfolio, ranked #1442.

State of Wisconsin Investment Board first reported a position in PUMP in Q4 2017 and has held it in 17 quarters since. The position peaked at $13.3M in Q1 2022. 257 funds tracked by Wall St. Rank hold PUMP as of Q1 2026.

  • State of Wisconsin Investment Board held 124,924 shares of ProPetro Holding worth $1.8M as of Q1 2026.
  • State of Wisconsin Investment Board bought 83,488 ProPetro Holding shares in Q1 2026, an estimated $998K.
  • ProPetro Holding made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1442 holding.
  • State of Wisconsin Investment Board first reported a position in ProPetro Holding in Q4 2017 and has held it in 17 quarters since.
  • State of Wisconsin Investment Board's ProPetro Holding position peaked at $13.3M in Q1 2022.
  • 257 funds tracked by Wall St. Rank held ProPetro Holding as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.