Simplex Trading’s Pioneer Power Solutions PPSI Stock Holding History

Simplex Trading’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	–	Sell	-100	Closed	-$473	–	9913
2025 Q4	$473	Buy	+100	New	+$419	﹤0.01%	8168
2025 Q1	–	Sell	-3,200	Closed	-$13K	–	9404
2024 Q4	$13K	Buy	+3,200	New	+$18.1K	﹤0.01%	7019
2024 Q2	–	Sell	-600	Closed	-$3K	–	9590
2024 Q1	$3K	Sell	600 -47,700	-99%	-$251K	﹤0.01%	8294
2023 Q4	$327K	Sell	48,300 -115,800	-71%	-$686K	﹤0.01%	4125
2023 Q3	$1.03M	Buy	164,100 +134,500	+454%	+$943K	﹤0.01%	2631
2023 Q2	$248K	Buy	+29,600	New	+$177K	﹤0.01%	4060

Other funds holding PPSI

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

SIA

Spectrum Investment Advisors Mequon, Wisconsin $201M AUM 15.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Squarepoint New York $85.1B AUM 20.93% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Simplex Trading's PPSI Position: Q1 2026 in Review

Simplex Trading reduced its Pioneer Power Solutions (PPSI) stake by 70% in Q1 2026, selling an estimated $3.27K and leaving 350 shares worth $1.14K. The position accounts for ﹤0.01% of the portfolio, ranked #8568.

Simplex Trading first reported a position in PPSI in Q2 2023 and has held it in 9 quarters since. The position peaked at $218K in Q3 2023. 33 funds tracked by Wall St. Rank hold PPSI as of Q1 2026.

Simplex Trading held 350 shares of Pioneer Power Solutions worth $1.14K as of Q1 2026.
Simplex Trading sold 808 Pioneer Power Solutions shares in Q1 2026, an estimated $3.27K.
Pioneer Power Solutions made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #8568 holding.
Simplex Trading first reported a position in Pioneer Power Solutions in Q2 2023 and has held it in 9 quarters since.
Simplex Trading's Pioneer Power Solutions position peaked at $218K in Q3 2023.
33 funds tracked by Wall St. Rank held Pioneer Power Solutions as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.