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
Q3 		$64K Sell
7,238
-47,651
-87% -$545K ﹤0.01% 5915
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

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $123B AUM 30.05% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
AFA
Alta Fundamental Advisers New York $232M AUM 38.39% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $57.2B AUM 42.49% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $63.7B AUM 20.33% 1-Year Est. Return

Simplex Trading's PUMP Position: Q3 2026 in Review

Simplex Trading reduced its ProPetro Holding (PUMP) stake by 87% in Q3 2026, selling an estimated $545K and leaving 7,238 shares worth $64K. The position accounts for ﹤0.01% of the portfolio, ranked #5915.

Simplex Trading first reported a position in PUMP in Q2 2018 and has held it in 24 quarters since. The position peaked at $1.29M in Q3 2021. 147 funds tracked by Wall St. Rank hold PUMP as of Q3 2026.

  • Simplex Trading held 7,238 shares of ProPetro Holding worth $64K as of Q3 2026.
  • Simplex Trading sold 47,651 ProPetro Holding shares in Q3 2026, an estimated $545K.
  • ProPetro Holding made up ﹤0.01% of Simplex Trading's portfolio in Q3 2026, its #5915 holding.
  • Simplex Trading first reported a position in ProPetro Holding in Q2 2018 and has held it in 24 quarters since.
  • Simplex Trading's ProPetro Holding position peaked at $1.29M in Q3 2021.
  • 147 funds tracked by Wall St. Rank held ProPetro Holding as of Q3 2026.

Based on Simplex Trading's 13F filing for Q3 2026, filed 4 Nov 2026.