Simplex Trading
PUMP icon

Simplex Trading’s ProPetro Holding PUMP Stock Holding History

Simplex Trading’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 		$787K Buy
+54,889
New +$853K ﹤0.01% 3046
2025
Q4 		– Sell
-12,614
Closed -$110K – 9780
2025
Q3 		$66K Buy
12,614
+9,465
+301% +$50.2K ﹤0.01% 6167
2025
Q2 		$18K Sell
3,149
-7,882
-71% -$45.1K ﹤0.01% 6867
2025
Q1 		$81K Buy
+11,031
New +$95.9K ﹤0.01% 5285
2024
Q4 		– Sell
-946
Closed -$7.79K – 9405
2024
Q3 		$7K Sell
946
-1,027
-52% -$8.38K ﹤0.01% 7450
2024
Q2 		$17K Sell
1,973
-1,918
-49% -$17.1K ﹤0.01% 7044
2024
Q1 		$31K Buy
3,891
+2,731
+235% +$21.3K ﹤0.01% 6728
2023
Q4 		$9K Buy
+1,160
New +$10.9K ﹤0.01% 7522
2023
Q2 		– Sell
-5,794
Closed -$42.5K – 9745
2023
Q1 		$41K Sell
5,794
-30,139
-84% -$273K ﹤0.01% 6149
2022
Q4 		$372K Buy
35,933
+5,448
+18% +$57.4K ﹤0.01% 3498
2022
Q3 		$245K Buy
30,485
+12,448
+69% +$111K ﹤0.01% 4351
2022
Q2 		$180K Buy
18,037
+11,465
+174% +$151K ﹤0.01% 4743
2022
Q1 		$91K Sell
6,572
-95,510
-94% -$1.14M ﹤0.01% 6286
2021
Q4 		$826K Sell
102,082
-28,025
-22% -$255K ﹤0.01% 3127
2021
Q3 		$1.29M Hold
130,107
– – ﹤0.01% 2736
2021
Q2 		$1.19M Buy
130,107
+79,037
+155% +$819K ﹤0.01% 2854
2021
Q1 		$544K Buy
+51,070
New +$507K ﹤0.01% 3252
2020
Q4 		– Sell
-18,918
Closed -$105K – 8912
2020
Q3 		$76K Buy
+18,918
New +$103K ﹤0.01% 5195
2020
Q1 		– Sell
-7,712
Closed -$62K – 8125
2019
Q4 		$86K Sell
7,712
-18,162
-70% -$162K ﹤0.01% 4668
2019
Q3 		$235K Buy
+25,874
New +$359K ﹤0.01% 3394
2019
Q1 		– Sell
-5,022
Closed -$89.9K – 7709
2018
Q4 		$61K Sell
5,022
-4,324
-46% -$71.2K ﹤0.01% 4338
2018
Q3 		$154K Buy
9,346
+9,114
+3,928% +$147K ﹤0.01% 3944
2018
Q2 		$3K Buy
+232
New +$3.99K ﹤0.01% 6943

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

Simplex Trading's PUMP Position: Q2 2026 in Review

Simplex Trading opened a new position in ProPetro Holding (PUMP) in Q2 2026: 54,889 shares worth $787K. The stake represents ﹤0.01% of the portfolio and ranks #3046 among its holdings. This is a return to the name: Simplex Trading previously reported a position in PUMP as recently as Q3 2025.

Simplex Trading first reported a position in PUMP in Q2 2018 and has held it in 23 quarters since. The position peaked at $1.29M in Q3 2021. 270 funds tracked by Wall St. Rank hold PUMP as of Q2 2026.

  • Simplex Trading held 54,889 shares of ProPetro Holding worth $787K as of Q2 2026.
  • ProPetro Holding was a new Simplex Trading position in Q2 2026.
  • ProPetro Holding made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3046 holding.
  • Simplex Trading first reported a position in ProPetro Holding in Q2 2018 and has held it in 23 quarters since.
  • Simplex Trading's ProPetro Holding position peaked at $1.29M in Q3 2021.
  • 270 funds tracked by Wall St. Rank held ProPetro Holding as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.