CARPARTS.COM INC (PRTS) Institutional Shareholders
CARPARTS.COM INC (PRTS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $8.69M in PRTS holdings during the latest filing period.
Vanguard Capital Management Llc is currently the largest disclosed institutional shareholder of PRTS tracked by InsiderSet, reporting ownership valued at approximately $1.89M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $13.36M, representing an estimated gain of +606.11% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 84% of the total disclosed PRTS value among the investors covered in this analysis. Major shareholders include Vanguard Capital Management Llc, Blackrock, Inc., Renaissance Technologies LLC, and several other long-term asset managers with concentrated positions in CARPARTS.COM INC (PRTS).
This page ranks the largest institutional PRTS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
34
Total Reported Value
$8.69M
Largest Holder
Vanguard Capital Management Llc
Largest Position
$1.89M
Insider Transactions (90d)
1
Latest Filing Quarter
Q2 2026
New Institutional Positions
59
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Vanguard Capital Management Llc | 0.00% | 2,407,747 | $1,892,489 | $13,362,996 | +$11,470,507 | +606.11% | |
| Blackrock, Inc. | 0.00% | 1,976,407 | $1,553,060 | $10,969,059 | +$9,415,999 | +606.29% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 1,336,300 | $1,050,065 | $7,416,465 | +$6,366,400 | +606.29% |
| North Star Investment Management Corp. | 0.05% | 139,522 | $898,522 | $774,347 | -$124,175 | -13.82% | |
| Geode Capital Management, Llc | 0.00% | 599,069 | $470,864 | $3,324,833 | +$2,853,969 | +606.11% | |
| Citadel Advisors Llc | 0.00% | 467,796 | $367,594 | $2,596,268 | +$2,228,674 | +606.29% | |
| Jane Street Group, Llc | 0.00% | 402,637 | $316,392 | $2,234,635 | +$1,918,243 | +606.29% | |
| Vanguard Fiduciary Trust Co | 0.00% | 389,582 | $306,211 | $2,162,180 | +$1,855,969 | +606.11% | |
| Ubs Group Ag | 0.00% | 313,623 | $246,508 | $1,740,608 | +$1,494,100 | +606.11% | |
| State Street Corp | 0.00% | 264,777 | $208,062 | $1,469,512 | +$1,261,450 | +606.29% | |
| Kerrisdale Advisers, Llc | 0.08% | 252,495 | $198,411 | $1,401,347 | +$1,202,936 | +606.29% | |
| Susquehanna International Group, Llp | 0.00% | 183,503 | $144,196 | $1,018,442 | +$874,246 | +606.29% | |
| Argentarii, Llc | 0.04% | 150,000 | $117,870 | $832,500 | +$714,630 | +606.29% | |
| Goldman Sachs Group Inc | 0.00% | 148,210 | $116,463 | $822,566 | +$706,103 | +606.29% | |
| Northern Trust Corp | 0.00% | 142,115 | $111,674 | $788,738 | +$677,064 | +606.29% | |
| Fmr Llc | 0.00% | 134,272 | $105,511 | $745,210 | +$639,699 | +606.29% | |
| Barclays Plc | 0.00% | 129,252 | $101,567 | $717,349 | +$615,782 | +606.28% | |
| Xtx Topco Ltd | 0.00% | 106,493 | $83,682 | $591,036 | +$507,354 | +606.29% | |
| Hsbc Holdings Plc | 0.00% | 104,056 | $82,215 | $577,511 | +$495,296 | +602.44% | |
| Morgan Stanley | 0.00% | 74,565 | $58,593 | $413,836 | +$355,243 | +606.29% | |
| Bank Of America Corp | 0.00% | 70,094 | $55,024 | $389,022 | +$333,998 | +607.00% | |
| Simplex Trading, Llc | 0.00% | 57,235 | $44,975 | $317,654 | +$272,679 | +606.29% | |
| Prime Capital Investment Advisors, Llc | 0.00% | 50,000 | $39,290 | $277,500 | +$238,210 | +606.29% | |
| Prudential Financial Inc | 0.00% | 44,400 | $34,890 | $246,420 | +$211,530 | +606.28% | |
| Ccg Wealth Management, Llc | 0.01% | 38,473 | $30,232 | $213,525 | +$183,293 | +606.29% | |
| Raymond James Financial Inc | 0.00% | 34,631 | $27,213 | $192,202 | +$164,989 | +606.29% | |
| Vanguard Global Advisers, Llc | 0.00% | 18,212 | $14,315 | $101,077 | +$86,762 | +606.09% | |
| Tamar Securities, Llc | 0.00% | 11,400 | $8,959 | $63,270 | +$54,311 | +606.22% | |
| Federation Des Caisses Desjardins Du Quebec | 0.00% | 2,100 | $1,649 | $11,655 | +$10,006 | +606.79% | |
| Bnp Paribas Financial Markets | 0.00% | 723 | $568 | $4,013 | +$3,445 | +606.45% | |
| Jones Financial Companies Lllp | 0.00% | 64 | $53 | $355 | +$302 | +570.19% | |
| Shp Wealth Management | 0.00% | 47 | $37 | $261 | +$224 | +605.00% | |
| Hrt Financial Lp | 0.00% | 12,233 | $9 | $67,893 | +$67,884 | +754268.33% | |
| Osaic Holdings, Inc. | 0.00% | 5 | $3 | $28 | +$25 | +825.00% |
Frequently asked questions about PRTS
Who owns the most PRTS stock?
The largest holders of PRTS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for CARPARTS.COM INC (PRTS).
Is PRTS widely held by superinvestors?
Many widely followed stocks like PRTS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PRTS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.