JO
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John Overdeck’s ProPetro Holding PUMP Stock Holding History

John Overdeck’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 		$30M Buy
2,093,342
+1,148,312
+122% +$17.8M 0.02% 806
2026
Q1 		$13.6M Buy
945,030
+109,522
+13% +$1.31M 0.01% 1203
2025
Q4 		$7.95M Buy
835,508
+519,853
+165% +$4.52M 0.01% 1287
2025
Q3 		$1.65M Buy
315,655
+293,710
+1,338% +$1.56M ﹤0.01% 2256
2025
Q2 		$131K Sell
21,945
-115,656
-84% -$662K ﹤0.01% 2973
2025
Q1 		$1.01M Sell
137,601
-254,704
-65% -$2.21M ﹤0.01% 2169
2024
Q4 		$3.66M Buy
392,305
+235,005
+149% +$1.93M 0.01% 1298
2024
Q3 		$1.2M Buy
157,300
+20,200
+15% +$165K ﹤0.01% 2014
2024
Q2 		$1.19M Sell
137,100
-242,634
-64% -$2.16M ﹤0.01% 1893
2024
Q1 		$3.07M Sell
379,734
-435,430
-53% -$3.4M 0.01% 1218
2023
Q4 		$6.83M Buy
815,164
+636,737
+357% +$6.01M 0.02% 838
2023
Q3 		$1.9M Buy
178,427
+147,427
+476% +$1.46M 0.01% 1433
2023
Q2 		$255K Sell
31,000
-187,062
-86% -$1.37M ﹤0.01% 2564
2023
Q1 		$1.57M Sell
218,062
-6,719
-3% -$61K ﹤0.01% 1564
2022
Q4 		$2.33M Buy
+224,781
New +$2.37M 0.01% 1243
2022
Q2 		– Sell
-315,207
Closed -$4.39M – 2857
2022
Q1 		$4.39M Buy
315,207
+220,117
+231% +$2.63M 0.01% 978
2021
Q4 		$770K Sell
95,090
-48,123
-34% -$438K ﹤0.01% 2800
2021
Q3 		$1.24M Buy
+143,213
New +$1.12M ﹤0.01% 2412
2020
Q4 		– Sell
-82,205
Closed -$334K – 3674
2020
Q3 		$334K Sell
82,205
-2,353
-3% -$12.8K ﹤0.01% 2520
2020
Q2 		$435K Buy
84,558
+23,283
+38% +$107K ﹤0.01% 2096
2020
Q1 		$153K Buy
+61,275
New +$492K ﹤0.01% 2742
2018
Q2 		– Sell
-223,444
Closed -$3.55M – 3577
2018
Q1 		$3.55M Sell
223,444
-657,135
-75% -$11.9M 0.01% 1151
2017
Q4 		$17.8M Buy
880,579
+838,679
+2,002% +$14.2M 0.06% 407
2017
Q3 		$601K Buy
+41,900
New +$526K ﹤0.01% 2036

Other funds holding PUMP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Capital Management
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
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

John Overdeck's PUMP Position: Q2 2026 in Review

John Overdeck increased its ProPetro Holding (PUMP) stake by 122% in Q2 2026, buying an estimated $17.8M and bringing the position to 2,093,342 shares worth $30M. The position accounts for 0.02% of the portfolio, ranked #806.

John Overdeck first reported a position in PUMP in Q3 2017 and has held it in 24 quarters since. 268 funds tracked by Wall St. Rank hold PUMP as of Q2 2026.

  • John Overdeck held 2,093,342 shares of ProPetro Holding worth $30M as of Q2 2026.
  • John Overdeck bought 1,148,312 ProPetro Holding shares in Q2 2026, an estimated $17.8M.
  • ProPetro Holding made up 0.02% of John Overdeck's portfolio in Q2 2026, its #806 holding.
  • John Overdeck first reported a position in ProPetro Holding in Q3 2017 and has held it in 24 quarters since.
  • 268 funds tracked by Wall St. Rank held ProPetro Holding as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.