CarParts.com, Inc.

PRTS • NASDAQ

CarParts.com, Inc. is a specialty retail company in the consumer cyclical sector on NASDAQ, led by David Meniane, with a market cap of $27.3M. As of Q3 2025, 33% of shares are held by 54 institutional investors, with OAKTOP CAPITAL MANAGEMENT II, L.P. as the largest holder at 8.32%.

Chief Executive OfficerDavid Meniane

Market Cap$27.3M

Specialty Retail

Consumer Cyclical

Employees1.7K

Websitecarparts.com

Country

United States of America

Overview

Overview of institutional ownership in PRTS as of Q3 2025 with a market cap of $39.3M

All Institutions

Institutions: 54
Value Held: $13.1M
Shares Held: 18.5M
Avg Position: $243.2K
Median Position: $49.7K

Hedge Funds

Hedge Funds: 8
Value Held: $1.8M
Shares Held: 2.6M
Avg Position: $230.0K
Median Position: $103.9K

Ownership Breakdown

Institutional (non-HF)

28.74%

$11.3M

Hedge Funds

4.68%

$1.8M

Retail & Other

66.58%

$26.2M

Based on market cap of $39.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in PRTS as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
O OAKTOP CAPITAL MANAGEMENT II, L.P. Institution	-	$3.3M 0.30% of portfolio	8.32% 4.6M shares	Q3 2021 Held for 4y 2m	$1.1B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$1.8M 0.00% of portfolio	4.62% 2.6M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$1.4M 0.00% of portfolio	3.60% 2.0M shares	Q1 2017 Held for 8y 8m	$5.67T
MACKENZIE FINANCIAL CORP Long Only Manager	Joseph Luke Gregoire Gould CEO	$1.1M 0.00% of portfolio	2.72% 1.5M shares	Q3 2023 Held for 2y 2m	$82.7B
North Star Investment Management Corp. RIA/Wealth	Peter David Gottlieb President	$986.9K 0.06% of portfolio	2.51% 1.4M shares	Q1 2015 Held for 10y 8m	$1.6B
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$936.4K 0.00% of portfolio	2.38% 1.3M shares	≤ Q2 2013 Held for 12y 5m+	$75.8B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$402.5K 0.00% of portfolio	1.02% 565.9K shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	David Khabie-Zeitoune CEO	$400.9K 0.04% of portfolio	1.02% 563.8K shares	Q2 2022 Held for 3y 5m	$1.1B
UBS Group AG Institution	Sergio P. Ermotti CEO	$380.6K 0.00% of portfolio	0.97% 535.3K shares	Q4 2016 Held for 8y 11m	$511.54B
FMR LLC Institution	-	$364.0K 0.00% of portfolio	0.93% 511.9K shares	Q1 2022 Held for 3y 8m	$1.92T

Net Capital Flow

Institutional buying and selling activity for PRTS in Q3 2025

Traded: −$3.0M
Buyers: 18
Sellers: 33
Total Bought: +$1.3M
Total Sold: −$4.3M
Avg Position: $190.3K

Biggest Buyers

Institution	Net Bought	Current Position
North Star Investment Management Corp. RIA/Wealth	+$638.5K +897.9K shares	$986.9K 1.4M shares
MACKENZIE FINANCIAL CORP Long Only Manager	+$179.8K +252.9K shares	$1.1M 1.5M shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$105.8K +148.8K shares	$105.8K 148.8K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$88.7K +124.8K shares	$936.4K 1.3M shares
PRIVATE MANAGEMENT GROUP INC RIA/Wealth	+$64.9K +91.3K shares	$64.9K 91.3K shares
VANGUARD GROUP INC Institution	+$40.4K +56.9K shares	$1.8M 2.6M shares
FMR LLC Institution	+$35.6K +50.1K shares	$364.0K 511.9K shares
Argentarii, LLC RIA/Wealth	+$35.6K +50.0K shares	$35.6K 50.0K shares
X XTX Topco Ltd Institution	+$24.3K +34.2K shares	$24.3K 34.2K shares
GOLDMAN SACHS GROUP INC Institution	+$23.7K +33.3K shares	$82.5K 116.1K shares

Biggest Sellers

Institution	Net Sold	Current Position
Western Standard, LLC Hedge Fund•Long/Short	−$1.4M −1.9M shares	Sold Off 0 shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	−$639.0K −898.7K shares	$114.2K 160.6K shares
A Assenagon Asset Management S.A. Institution	−$469.2K −633.9K shares	Sold Off 0 shares
B BlackRock, Inc. Institution	−$325.1K −457.1K shares	$1.4M 2.0M shares
S Squarepoint Ops LLC Hedge Fund•Quant	−$295.0K −398.5K shares	Sold Off 0 shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	−$186.1K −261.6K shares	$400.9K 563.8K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	−$163.5K −229.9K shares	$102.1K 143.5K shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	−$137.1K −192.8K shares	$76.2K 107.2K shares
Robeco Investment Management, Inc. Long Only Manager	−$137.0K −192.7K shares	$175.3K 246.6K shares
UBS Group AG Institution	−$72.0K −101.3K shares	$380.6K 535.3K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited PRTS in Q3 2025

New Positions: 3
New Value: $43.8K
Exited Positions: 14
Exited Value: $2.4M

New Positions

Institution	Position Value
Argentarii, LLC RIA/Wealth	$35.6K 50.0K shares
T Tamar Securities, LLC RIA/Wealth	$8.1K 11.4K shares
B Bangor Savings Bank Institution	$142.0 200.0 shares

Exited Positions

Institution	Previous Position
Western Standard, LLC Hedge Fund•Long/Short	$1.4M 1.9M shares
A Assenagon Asset Management S.A. Institution	$469.2K 633.9K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$295.0K 398.5K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$41.9K 56.6K shares
V Virtu Financial LLC Institution	$30.4K 41.1K shares
REGIONS FINANCIAL CORP Institution	$30.0K 40.5K shares
J JANE STREET GROUP, LLC Institution	$25.3K 34.2K shares
H HRT FINANCIAL LLC Institution	$23.0K 31.1K shares
T TWO SIGMA SECURITIES, LLC Institution	$21.2K 28.6K shares
R Squared Ltd Private Equity	$15.0K 20.3K shares

Options Activity

Institutions with the largest Call and Put options positions in PRTS as of Q3 2025

Call Positions: 2
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	- - contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	- - contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with PRTS as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
O OAKTOP CAPITAL MANAGEMENT II, L.P. Institution	-	0.30% $3.3M	8.32% 4.6M shares	Q3 2021 Held for 4y 2m	$1.1B
Kerrisdale Advisers, LLC Hedge Fund•Long/Short	Sahm Adrangi CIO	0.09% $179.5K	0.46% 252.5K shares	Q2 2024 Held for 1y 5m	$192.9M
W Williams & Novak, LLC Institution	-	0.08% $105.0K	0.27% 147.6K shares	Q2 2024 Held for 1y 5m	$130.0M
North Star Investment Management Corp. RIA/Wealth	Peter David Gottlieb President	0.06% $986.9K	2.51% 1.4M shares	Q1 2015 Held for 10y 8m	$1.6B
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	David Khabie-Zeitoune CEO	0.04% $400.9K	1.02% 563.8K shares	Q2 2022 Held for 3y 5m	$1.1B
Argentarii, LLC RIA/Wealth	Brandon S Hutchison Founder	0.01% $35.6K	0.09% 50.0K shares	Q3 2025 Held for 2 months	$250.8M
B Blue Zone Wealth Advisors, LLC RIA/Wealth	Bryan James Lee CIO	0.01% $42.3K	0.11% 59.5K shares	Q1 2025 Held for 8 months	$500.9M
R RBF Capital, LLC Institution	-	0.00% $73.8K	0.19% 103.8K shares	Q3 2019 Held for 6y 2m	$2.2B
H Hilltop Holdings Inc. Institution	-	0.00% $39.1K	0.10% 55.0K shares	Q4 2023 Held for 1y 11m	$1.9B
PRIVATE MANAGEMENT GROUP INC RIA/Wealth	Robert Todd Summers President	0.00% $64.9K	0.17% 91.3K shares	Q3 2025 Held for 2 months	$3.4B

Hedge Fund Spotlight

Discover hedge funds investing in PRTS

CITADEL ADVISORS LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerKenneth Cordele Griffin

Portfolio Value: $122.08B
Positions: 5,531
Last Reported: Q3 2025

Sector Allocation

Position in CarParts.com, Inc.

Market Value: $105.8K
Shares Held: 148.8K
Portfolio Weight: 0.00%
Owned Since: 2020-Q1

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