Jane Street’s CarParts.com PRTS Stock Holding History

Jane Street’s Portfolio PRTS Stock Details PRTS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2022 Q4	–	Sell	-1,120	Closed	-$58K	–	9917
2022 Q3	$58K	Sell	1,120 -550	-33%	-$40K	﹤0.01%	8878
2022 Q2	$116K	Buy	+1,670	New	+$122K	﹤0.01%	8548
2022 Q1	–	Sell	-3,670	Closed	-$411K	–	10879
2021 Q4	$411K	Buy	3,670 +310	+9%	+$42.7K	﹤0.01%	7606
2021 Q3	$524K	Buy	3,360 +1,200	+56%	+$208K	﹤0.01%	7194
2021 Q2	$440K	Sell	2,160 -400	-16%	-$67K	﹤0.01%	7478
2021 Q1	$366K	Buy	2,560 +280	+12%	+$45.3K	﹤0.01%	7370
2020 Q4	$282K	Buy	+2,280	New	+$294K	﹤0.01%	6499

Other funds holding PRTS

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

NSIM

North Star Investment Management Chicago, Illinois $1.65B AUM 20.56% 1-Year Est. Return

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

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

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

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

Kerrisdale Advisers Miami, Florida $263M AUM 40.01% 1-Year Est. Return

Jane Street's PRTS Position: Q1 2026 in Review

Jane Street opened a new position in CarParts.com (PRTS) in Q1 2026: 40,264 shares worth $316K. The stake represents ﹤0.01% of the portfolio and ranks #9126 among its holdings. This is a return to the name: Jane Street previously reported a position in PRTS as recently as Q2 2025.

Jane Street first reported a position in PRTS in Q1 2014 and has held it in 19 quarters since. The position peaked at $2.26M in Q2 2021. 44 funds tracked by Wall St. Rank hold PRTS as of Q1 2026.

Jane Street held 40,264 shares of CarParts.com worth $316K as of Q1 2026.
CarParts.com was a new Jane Street position in Q1 2026.
CarParts.com made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #9126 holding.
Jane Street first reported a position in CarParts.com in Q1 2014 and has held it in 19 quarters since.
Jane Street's CarParts.com position peaked at $2.26M in Q2 2021.
44 funds tracked by Wall St. Rank held CarParts.com as of Q1 2026.

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