Jim Simons
PPSI

Jim Simons’s Pioneer Power Solutions PPSI Stock Holding History

Jim Simons’s Portfolio PPSI Stock Details PPSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$209K Buy
64,200
+29,500
+85% +$119K ﹤0.01% 2904
2025
Q4 		$164K Buy
34,700
+9,948
+40% +$41.7K ﹤0.01% 2920
2025
Q3 		$107K Sell
24,752
-8,392
-25% -$30.1K ﹤0.01% 3240
2025
Q2 		$91.1K Buy
+33,144
New +$89K ﹤0.01% 3315
2024
Q2 		– Sell
-94,300
Closed -$538K – 3869
2024
Q1 		$538K Buy
94,300
+4,500
+5% +$23.7K ﹤0.01% 2829
2023
Q4 		$610K Buy
89,800
+47,348
+112% +$281K ﹤0.01% 2693
2023
Q3 		$266K Buy
+42,452
New +$298K ﹤0.01% 2987
2022
Q3 		– Sell
-22,900
Closed -$66K – 4331
2022
Q2 		$66K Buy
+22,900
New +$93.4K ﹤0.01% 3946
2021
Q4 		– Sell
-56,187
Closed -$187K – 4154
2021
Q3 		$187K Buy
56,187
+1,292
+2% +$5.04K ﹤0.01% 3221
2021
Q2 		$256K Buy
54,895
+9,795
+22% +$40.6K ﹤0.01% 3193
2021
Q1 		$219K Buy
45,100
+24,000
+114% +$153K ﹤0.01% 3127
2020
Q4 		$82K Buy
+21,100
New +$75.2K ﹤0.01% 3277
2019
Q4 		– Sell
-15,932
Closed -$86K – 3690
2019
Q3 		$86K Buy
+15,932
New +$88.8K ﹤0.01% 3275
2017
Q3 		– Sell
-21,400
Closed -$140K – 3324
2017
Q2 		$140K Sell
21,400
-13,200
-38% -$89.5K ﹤0.01% 3044
2017
Q1 		$260K Buy
+34,600
New +$261K ﹤0.01% 2948

Other funds holding PPSI

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SIA
Spectrum Investment Advisors Mequon, Wisconsin $245M AUM 16.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Squarepoint
Squarepoint New York $85.1B AUM 20.93% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JIR
James Investment Research Alpha, Ohio $984M AUM 36.03% 1-Year Est. Return

Jim Simons's PPSI Position: Q1 2026 in Review

Jim Simons increased its Pioneer Power Solutions (PPSI) stake by 85% in Q1 2026, buying an estimated $119K and bringing the position to 64,200 shares worth $209K. The position accounts for ﹤0.01% of the portfolio, ranked #2904.

Jim Simons first reported a position in PPSI in Q1 2017 and has held it in 15 quarters since. The position peaked at $610K in Q4 2023. 33 funds tracked by Wall St. Rank hold PPSI as of Q1 2026.

  • Jim Simons held 64,200 shares of Pioneer Power Solutions worth $209K as of Q1 2026.
  • Jim Simons bought 29,500 Pioneer Power Solutions shares in Q1 2026, an estimated $119K.
  • Pioneer Power Solutions made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2904 holding.
  • Jim Simons first reported a position in Pioneer Power Solutions in Q1 2017 and has held it in 15 quarters since.
  • Jim Simons's Pioneer Power Solutions position peaked at $610K in Q4 2023.
  • 33 funds tracked by Wall St. Rank held Pioneer Power Solutions as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.