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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.

13F holders, Q3 2025

Institutional positions in CarParts.com, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
55
−5 vs. Q2 2025
Shares held
18.5M
−4.12M (−18.2%) vs. Q2 2025
Total value
$13.1M
−$3.58M (−21.4%) vs. Q2 2025
New holders
9
9 more added
Sold out
14
20 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PRTS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 55 institutions
Q1 2021: 128 institutionsQ2 2021: 121 institutionsQ3 2021: 125 institutionsQ4 2021: 122 institutionsQ1 2022: 125 institutionsQ2 2022: 136 institutionsQ3 2022: 136 institutionsQ4 2022: 145 institutionsQ1 2023: 139 institutionsQ2 2023: 115 institutionsQ3 2023: 109 institutionsQ4 2023: 107 institutionsQ1 2024: 96 institutionsQ2 2024: 88 institutionsQ3 2024: 62 institutionsQ4 2024: 65 institutionsQ1 2025: 59 institutionsQ2 2025: 60 institutionsQ3 2025: 55 institutionsQ4 2025: 46 institutionsQ1 2026: 45 institutionsQ2 2026: 27 institutions
Value heldQ3 2025: $13.1M
Q1 2021: $529.5MQ2 2021: $832.3MQ3 2021: $665.9MQ4 2021: $502.9MQ1 2022: $301.3MQ2 2022: $306.6MQ3 2022: $237.5MQ4 2022: $261.7MQ1 2023: $230.6MQ2 2023: $179.4MQ3 2023: $177.3MQ4 2023: $132.2MQ1 2024: $69.7MQ2 2024: $31.8MQ3 2024: $21.0MQ4 2024: $26.2MQ1 2025: $21.9MQ2 2025: $16.7MQ3 2025: $13.1MQ4 2025: $6.52MQ1 2026: $9.10MQ2 2026: $6.54M
Institutions holding PRTS and their total value by quarter
QuarterHoldersValue
Q2 202627$6.54M
Q1 202645$9.10M
Q4 202546$6.52M
Q3 202555$13.1M
Q2 202560$16.7M
Q1 202559$21.9M
Q4 202465$26.2M
Q3 202462$21.0M
Q2 202488$31.8M
Q1 202496$69.7M
Q4 2023107$132.2M
Q3 2023109$177.3M
Q2 2023115$179.4M
Q1 2023139$230.6M
Q4 2022145$261.7M
Q3 2022136$237.5M
Q2 2022136$306.6M
Q1 2022125$301.3M
Q4 2021122$502.9M
Q3 2021125$665.9M
Q2 2021121$832.3M
Q1 2021128$529.5M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding CarParts.com, Inc.; share changes are against Q2 2025.

Institutions holding PRTS in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Oaktop Capital Management II, L.P.4,597,302$3.27M0.30%00.0%Unchanged
Vanguard Group Inc2,554,101$1.82M0.00%+56,857+2.3%Added
BlackRock, Inc.1,989,840$1.41M0.00%−457,117−18.7%Reduced
Mackenzie Financial Corp1,501,867$1.07M0.00%+252,852+20.2%Added
North Star Investment Management Corp.1,387,853$986.9K0.06%+897,913+183.3%Added
Renaissance Technologies LLC1,316,800$936.4K0.00%+124,800+10.5%Added
Geode Capital Management, LLC565,920$402.5K0.00%−443−0.1%Reduced
Gsa Capital Partners LLP563,803$401.0K0.03%−261,641−31.7%Reduced
UBS Group AG535,302$380.6K0.00%−101,321−15.9%Reduced
FMR LLC511,943$364.0K0.00%+50,103+10.8%Added
Kerrisdale Advisers, LLC252,495$179.5K0.09%00.0%Unchanged
Boston Partners246,563$175.3K0.00%−192,660−43.9%Reduced
State Street Corp210,138$149.4K0.00%00.0%Unchanged
Acadian Asset Management LLC160,562$114.0K0.00%−898,672−84.8%Reduced
Citadel Advisors LLC148,771$105.8K0.00%+148,771New
Williams & Novak, LLC147,600$105.0K0.08%−9,150−5.8%Reduced
Two Sigma Investments, LP143,512$102.1K0.00%−229,908−61.6%Reduced
Barclays PLC129,252$91.9K0.00%−1,566−1.2%Reduced
Bridgeway Capital Management, LLC122,256$86.9K0.00%−25,000−17.0%Reduced
Northern Trust Corp116,167$82.6K0.00%00.0%Unchanged
Goldman Sachs Group Inc116,086$82.5K0.00%+33,285+40.2%Added
Two Sigma Advisers, LP107,200$76.2K0.00%−192,800−64.3%Reduced
HSBC Holdings PLC104,056$74.5K0.00%−10,758−9.4%Reduced
RBF Capital, LLC103,794$73.8K0.00%00.0%Unchanged
Private Management Group Inc91,328$64.9K0.00%+91,328New
Morgan Stanley78,429$55.8K0.00%00.0%Unchanged
Marshall Wace, LLP75,446$53.6K0.00%+6,900+10.1%Added
Empowered Funds, LLC64,456$45.8K0.00%00.0%Unchanged
Blue Zone Wealth Advisors, LLC59,523$42.3K0.01%00.0%Unchanged
Hilltop Holdings Inc.55,000$39.1K0.00%−100,000−64.5%Reduced
Prime Capital Investment Advisors, LLC50,000$35.6K0.00%00.0%Unchanged
Argentarii, LLC50,000$35.6K0.01%+50,000New
Invesco Ltd.41,609$29.6K0.00%−42,680−50.6%Reduced
Fort Washington Investment Advisors Inc36,021$25.6K0.00%00.0%Unchanged
Millennium Management LLC34,701$24.7K0.00%−99,380−74.1%Reduced
Raymond James Financial Inc34,631$24.6K0.00%−1,601−4.4%Reduced
XTX Topco Ltd34,159$24.3K0.00%+34,159New
Parallel Advisors, LLC31,000$22.0K0.00%+31,000New
Wells Fargo & Company22,000$15.6K0.00%+13,000+144.4%Added
Quinn Opportunity Partners LLC20,436$14.5K0.00%−60,000−74.6%Reduced
Bank of America Corp20,036$14.2K0.00%−1,148−5.4%Reduced
Tamar Securities, LLC11,400$8.11K0.00%+11,400New
Simplex Trading, LLC11,682$8.00K0.00%+2,467+26.8%Added
Dynamic Advisor Solutions LLC10,488$7.46K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec2,100$1.50K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA738$5250.00%−29−3.8%Reduced
JPMorgan Chase & Co263$1870.00%00.0%Unchanged
Sound Income Strategies, LLC250$1750.00%00.0%Unchanged
Bangor Savings Bank200$1420.00%+200New
Citigroup Inc164$1170.00%+164New
Northwestern Mutual Wealth Management Co100$710.00%+100New
Jones Financial Companies LLLP64$480.00%00.0%Unchanged
Farther Finance Advisors, LLC25$180.00%00.0%Unchanged
Advisor Group Holdings, Inc.5$40.00%00.0%Unchanged
Royal Bank of Canada277$00.00%−1,387−83.4%Reduced
Western Standard LLC0$00.00%−1,923,737−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−633,925−100.0%Sold out
Squarepoint Ops LLC0$00.00%−398,544−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−56,558−100.0%Sold out
Virtu Financial LLC0$00.00%−41,136−100.0%Sold out
Regions Financial Corp0$00.00%−40,500−100.0%Sold out
Jane Street Group, LLC0$00.00%−34,224−100.0%Sold out
HRT Financial LP0$00.00%−31,086−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−28,633−100.0%Sold out
R Squared Ltd0$00.00%−20,297−100.0%Sold out
Prospera Financial Services Inc0$00.00%−14,500−100.0%Sold out
Intellectus Partners, LLC0$00.00%−10,550−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−3,642−100.0%Sold out
Bank & Trust Co0$00.00%−1,000−100.0%Sold out