Jane Street’s Power Solutions International PSIX Stock Holding History

Jane Street’s Portfolio PSIX Stock Details PSIX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2M	Buy	+32,796	New	+$2.34M	﹤0.01%	5098
2025 Q4	–	Sell	-19,463	Closed	-$1.39M	–	12775
2025 Q3	$1.91M	Buy	19,463 +16,358	+527%	+$1.45M	﹤0.01%	5023
2025 Q2	$201K	Buy	+3,105	New	+$115K	﹤0.01%	8538
2015 Q1	–	Sell	-5,045	Closed	-$260K	–	3557
2014 Q4	$260K	Buy	+5,045	New	+$299K	﹤0.01%	2008
2014 Q3	–	Sell	-4,078	Closed	-$293K	–	3153
2014 Q2	$293K	Buy	+4,078	New	+$313K	﹤0.01%	1857

Other funds holding PSIX

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

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return

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

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

Busey Bank Urbana, Illinois $3.68B AUM 26.6% 1-Year Est. Return

SG Americas Securities New York $92.9B AUM 36.98% 1-Year Est. Return

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

Jane Street's PSIX Position: Q1 2026 in Review

Jane Street opened a new position in Power Solutions International (PSIX) in Q1 2026: 32,796 shares worth $2M. The stake represents ﹤0.01% of the portfolio and ranks #5098 among its holdings. This is a return to the name: Jane Street previously reported a position in PSIX as recently as Q3 2025.

Jane Street first reported a position in PSIX in Q2 2014 and has held it in 5 quarters since. 201 funds tracked by Wall St. Rank hold PSIX as of Q1 2026.

Jane Street held 32,796 shares of Power Solutions International worth $2M as of Q1 2026.
Power Solutions International was a new Jane Street position in Q1 2026.
Power Solutions International made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5098 holding.
Jane Street first reported a position in Power Solutions International in Q2 2014 and has held it in 5 quarters since.
201 funds tracked by Wall St. Rank held Power Solutions International as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.