58 institutions reported holding $9.3M of CARPARTS COM INC (PRTS) in SEC 13F filings for 2026-03-31. Largest institutional holders: VANGUARD CAPITAL MANAGEMENT LLC ($1.9M), BlackRock, Inc. ($1.6M), North Star Investment Management Corp. ($1.1M), RENAISSANCE TECHNOLOGIES LLC ($1.1M), GEODE CAPITAL MANAGEMENT, LLC ($470,864). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $1.9M | 2.4M | New |
| 2 | BlackRock, Inc. | $1.6M | 2.0M | Hold |
| 3 | North Star Investment Management Corp. | $1.1M | 1.4M | Added |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $1.1M | 1.3M | Trimmed |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $470,864 | 599,069 | Trimmed |
| 6 | CITADEL ADVISORS LLC | $465,662 | 592,596 | Added |
| 7 | JANE STREET GROUP, LLC | $362,833 | 461,737 | Added |
| 8 | VANGUARD FIDUCIARY TRUST CO | $306,211 | 389,582 | New |
| 9 | UBS Group AG | $246,508 | 313,623 | Added |
| 10 | STATE STREET CORP | $208,062 | 264,777 | Added |
| 11 | Kerrisdale Advisers, LLC | $198,411 | 252,495 | Hold |
| 12 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $144,196 | 183,503 | Added |
| 13 | Argentarii, LLC | $117,870 | 150,000 | Hold |
| 14 | GOLDMAN SACHS GROUP INC | $116,463 | 148,210 | Added |
| 15 | NORTHERN TRUST CORP | $111,674 | 142,115 | Hold |
| 16 | FMR LLC | $105,511 | 134,272 | Trimmed |
| 17 | BARCLAYS PLC | $101,567 | 129,252 | Hold |
| 18 | XTX Topco Ltd | $83,682 | 106,493 | New |
| 19 | HSBC HOLDINGS PLC | $82,215 | 104,056 | Trimmed |
| 20 | MORGAN STANLEY | $58,593 | 74,565 | Hold |
| 21 | SIMPLEX TRADING, LLC | $56,526 | 71,935 | Added |
| 22 | BANK OF AMERICA CORP /DE/ | $55,024 | 70,094 | Added |
| 23 | Fragasso Financial Advisors Inc | $51,756 | 64,039 | Hold |
| 24 | Blue Zone Wealth Advisors, LLC | $46,773 | 59,523 | Hold |
| 25 | Prime Capital Investment Advisors, LLC | $39,290 | 50,000 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31