Carparts.comPRTS
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 55 institutions reported holding Carparts.com Inc. (PRTS) in their 13F filings, down 5 from Q2 2025. 9 opened new positions and 14 sold out. The largest holders were Oaktop Capital Management Ii, L.P. ($3.3M), Vanguard Group Inc. ($1.8M) and BlackRock, Inc. ($1.4M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Carparts.com Inc.
- CUSIP
- 14427M107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $261K |
| Exits | 14 | $2.4M |
All 13F filers, Q2 2025 → Q3 2025: 1,805,299 shares bought and 5,925,593 shares sold, net −4,120,294 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 55 holders
| Oaktop Capital Management Ii, L.P. | 0.30% | No change | 4,597,302 | $3.3M |
| Vanguard Group Inc. | 0.00% | Add +2.3% | 2,554,101 | $1.8M |
| BlackRock, Inc. | 0.00% | Reduce -18.7% | 1,989,840 | $1.4M |
| Mackenzie Financial Corp. | 0.00% | Add +20.2% | 1,501,867 | $1.1M |
| North Star Investment Management Corp. | 0.06% | Add +183.3% | 1,387,853 | $987K |
| Renaissance Technologies | 0.00% | Add +10.5% | 1,316,800 | $936K |
| Geode Capital Management, LLC | 0.00% | Reduce -0.1% | 565,920 | $403K |
| Gsa Capital Partners LLP | 0.03% | Reduce -31.7% | 563,803 | $401K |
| UBS Group AG | 0.00% | Reduce -15.9% | 535,302 | $381K |
| FMR LLC | 0.00% | Add +10.8% | 511,943 | $364K |
| Kerrisdale Advisers, LLC | 0.09% | No change | 252,495 | $180K |
| Boston Partners | 0.00% | Reduce -43.9% | 246,563 | $175K |
| State Street Corp. | 0.00% | No change | 210,138 | $149K |
| Acadian Asset Management LLC | 0.00% | Reduce -84.8% | 160,562 | $114K |
| Citadel Advisors | 0.00% | New | 148,771 | $106K |
| Williams & Novak, LLC | 0.08% | Reduce -5.8% | 147,600 | $105K |
| Two Sigma Investments, LP | 0.00% | Reduce -61.6% | 143,512 | $102K |
| Barclays PLC | 0.00% | Reduce -1.2% | 129,252 | $92K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -17.0% | 122,256 | $87K |
| Northern Trust Corp. | 0.00% | No change | 116,167 | $83K |
| Goldman Sachs Group Inc. | 0.00% | Add +40.2% | 116,086 | $83K |
| Two Sigma Advisers, LP | 0.00% | Reduce -64.3% | 107,200 | $76K |
| HSBC Holdings PLC | 0.00% | Reduce -9.4% | 104,056 | $74K |
| RBF Capital, LLC | 0.00% | No change | 103,794 | $74K |
| Private Management Group Inc. | 0.00% | New | 91,328 | $65K |
| Morgan Stanley | 0.00% | No change | 78,429 | $56K |
| Marshall Wace, LLP | 0.00% | Add +10.1% | 75,446 | $54K |
| Empowered Funds, LLC | 0.00% | No change | 64,456 | $46K |
| Blue Zone Wealth Advisors, LLC | 0.01% | No change | 59,523 | $42K |
| Hilltop Holdings Inc. | 0.00% | Reduce -64.5% | 55,000 | $39K |
| Argentarii, LLC | 0.01% | New | 50,000 | $36K |
| Prime Capital Investment Advisors, LLC | 0.00% | No change | 50,000 | $36K |
| Invesco Ltd. | 0.00% | Reduce -50.6% | 41,609 | $30K |
| Fort Washington Investment Advisors Inc. | 0.00% | No change | 36,021 | $26K |
| Millennium Management | 0.00% | Reduce -74.1% | 34,701 | $25K |
| Raymond James Financial Inc. | 0.00% | Reduce -4.4% | 34,631 | $25K |
| XTX Topco Ltd | 0.00% | New | 34,159 | $24K |
| Parallel Advisors, LLC | 0.00% | New | 31,000 | $22K |
| Wells Fargo & Company | 0.00% | Add +144.4% | 22,000 | $16K |
| Quinn Opportunity Partners LLC | 0.00% | Reduce -74.6% | 20,436 | $15K |
| Bank of America Corp. | 0.00% | Reduce -5.4% | 20,036 | $14K |
| Tamar Securities, LLC | 0.00% | New | 11,400 | $8K |
| Simplex Trading, LLC | 0.00% | Add +26.8% | 11,682 | $8K |
| Dynamic Advisor Solutions LLC | 0.00% | No change | 10,488 | $7K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 2,100 | $2K |
| BNP Paribas Financial Markets | 0.00% | Reduce -3.8% | 738 | $525 |
| JPMorgan Chase & Co. | 0.00% | No change | 263 | $187 |
| Sound Income Strategies, LLC | 0.00% | No change | 250 | $175 |
| Bangor Savings Bank | 0.00% | New | 200 | $142 |
| Citigroup Inc. | 0.00% | New | 164 | $117 |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 100 | $71 |
| Jones Financial Companies LLLP | 0.00% | No change | 64 | $48 |
| Farther Finance Advisors, LLC | 0.00% | No change | 25 | $18 |
| Osaic Holdings, Inc. | 0.00% | No change | 5 | $4 |
| Royal Bank of Canada | 0.00% | Reduce -83.3% | 277 | $0 |
"% of holder's portfolio" is PRTS's weight in each manager's 13F, not the share of Carparts.com Inc. the manager owns.