Jeff Yass’s Pioneer Power Solutions PPSI Stock Holding History

Jeff Yass’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 Q2	$68.6K	Buy	+17,400	New	+$68.5K	﹤0.01%	12701
2026 Q1	–	Sell	-20,200	Closed	-$95.5K	–	13901
2025 Q4	$95.5K	Sell	20,200 -17,800	-47%	-$74.5K	﹤0.01%	11477
2025 Q3	$164K	Buy	38,000 +25,300	+199%	+$90.8K	﹤0.01%	11196
2025 Q2	$34.9K	Sell	12,700 -5,800	-31%	-$15.6K	﹤0.01%	12211
2025 Q1	$55.3K	Sell	18,500 -31,400	-63%	-$114K	﹤0.01%	11822
2024 Q4	$206K	Buy	49,900 +39,300	+371%	+$222K	﹤0.01%	10663
2024 Q3	$49.7K	Buy	+10,600	New	+$47.7K	﹤0.01%	11378
2024 Q2	–	Sell	-13,200	Closed	-$75.4K	–	12971
2024 Q1	$75.4K	Buy	+13,200	New	+$69.4K	﹤0.01%	11364

Other funds holding PPSI

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

SIA

Spectrum Investment Advisors Mequon, Wisconsin $245M AUM 16.92% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Jeff Yass's PPSI Position: Q2 2026 in Review

Jeff Yass increased its Pioneer Power Solutions (PPSI) stake by 45% in Q2 2026, buying an estimated $97.5K and bringing the position to 80,369 shares worth $317K. The position accounts for ﹤0.01% of the portfolio, ranked #10921.

Jeff Yass first reported a position in PPSI in Q1 2018 and has held it in 15 quarters since. The position peaked at $573K in Q3 2023. 35 funds tracked by Wall St. Rank hold PPSI as of Q2 2026.

Jeff Yass held 80,369 shares of Pioneer Power Solutions worth $317K as of Q2 2026.
Jeff Yass bought 24,778 Pioneer Power Solutions shares in Q2 2026, an estimated $97.5K.
Pioneer Power Solutions made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #10921 holding.
Jeff Yass first reported a position in Pioneer Power Solutions in Q1 2018 and has held it in 15 quarters since.
Jeff Yass's Pioneer Power Solutions position peaked at $573K in Q3 2023.
35 funds tracked by Wall St. Rank held Pioneer Power Solutions as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.