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CarParts.com, Inc.

PRTS
Exchange
Nasdaq
Industry
Retail-Auto & Home Supply Stores
SEC CIK
0001378950

In the last 90 days, CarParts.com, Inc. insiders filed 7 open-market purchases and 0 sales; 27 institutions reported holding it in 13F filings for Q2 2026, worth $6.54M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding CarParts.com, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of PRTS: Q3 2025 compared with Q4 2025
MeasureQ3 2025Q4 2025Change
Holders5546−9
Shares18.5M13.0M−5.50M (−29.8%)
Value$13.1M$6.47M−$6.66M (−50.7%)

New holders (7)

Institutions that held CarParts.com, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to PRTS in Q4 2025
InstitutionSharesValue% of portfolio
Lotus Technology Management, LP159,584$79.8K0.04%
Susquehanna International Group, LLP111,482$55.7K0.00%
Fragasso Group Inc.64,039$32.0K0.00%
Cullen/Frost Bankers, Inc.50,000$25.0K0.00%
StoneX Group Inc.10,010$5.00K0.00%
Root Financial Partners, LLC50$250.00%
SHP Wealth Management47$240.00%

Sold out (16)

Institutions that held CarParts.com, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of PRTS in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Oaktop Capital Management II, L.P.4,597,302$3.27M
Boston Partners246,563$175.3K
Acadian Asset Management LLC160,562$114.0K
Citadel Advisors LLC148,771$105.8K
Two Sigma Advisers, LP107,200$76.2K
RBF Capital, LLC103,794$73.8K
Marshall Wace, LLP75,446$53.6K
Hilltop Holdings Inc.55,000$39.1K
Invesco Ltd.41,609$29.6K
Millennium Management LLC34,701$24.7K
XTX Topco Ltd34,159$24.3K
Parallel Advisors, LLC31,000$22.0K
Quinn Opportunity Partners LLC20,436$14.5K
JPMorgan Chase & Co263$187
Citigroup Inc164$117
Northwestern Mutual Wealth Management Co100$71