CARPARTS.COM INC (PRTS) Top 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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $9.09M 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 $15.43M, representing an estimated gain of +715.52% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 83% of the total disclosed PRTS value among the investors covered in this analysis. Major shareholders include Vanguard Capital Management Llc, Blackrock, Inc., North Star Investment Management Corp., 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
44
Total Reported Value
$9.09M
Largest Holder
Vanguard Capital Management Llc
Largest Position
$1.89M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 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 | $15,433,658 | +$13,541,169 | +715.52% | |
| Blackrock, Inc. | 0.00% | 1,976,407 | $1,553,060 | $12,668,769 | +$11,115,709 | +715.73% | |
| North Star Investment Management Corp. | 0.07% | 1,435,853 | $1,128,293 | $9,203,818 | +$8,075,525 | +715.73% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 1,336,300 | $1,050,065 | $8,565,683 | +$7,515,618 | +715.73% |
| Geode Capital Management, Llc | 0.00% | 599,069 | $470,864 | $3,840,032 | +$3,369,168 | +715.53% | |
| Citadel Advisors Llc | 0.00% | 467,796 | $367,594 | $2,998,572 | +$2,630,978 | +715.73% | |
| Jane Street Group, Llc | 0.00% | 402,637 | $316,392 | $2,580,903 | +$2,264,511 | +715.73% | |
| Vanguard Fiduciary Trust Co | 0.00% | 389,582 | $306,211 | $2,497,221 | +$2,191,010 | +715.52% | |
| Ubs Group Ag | 0.00% | 313,623 | $246,508 | $2,010,323 | +$1,763,815 | +715.52% | |
| State Street Corp | 0.00% | 264,777 | $208,062 | $1,697,221 | +$1,489,159 | +715.73% | |
| Kerrisdale Advisers, Llc | 0.08% | 252,495 | $198,411 | $1,618,493 | +$1,420,082 | +715.73% | |
| Susquehanna International Group, Llp | 0.00% | 183,503 | $144,196 | $1,176,254 | +$1,032,058 | +715.73% | |
| Argentarii, Llc | 0.04% | 150,000 | $117,870 | $961,500 | +$843,630 | +715.73% | |
| Goldman Sachs Group Inc | 0.00% | 148,210 | $116,463 | $950,026 | +$833,563 | +715.73% | |
| Northern Trust Corp | 0.00% | 142,115 | $111,674 | $910,957 | +$799,283 | +715.73% | |
| Fmr Llc | 0.00% | 134,272 | $105,511 | $860,684 | +$755,173 | +715.73% | |
| Barclays Plc | 0.00% | 129,252 | $101,567 | $828,505 | +$726,938 | +715.72% | |
| Xtx Topco Ltd | 0.00% | 106,493 | $83,682 | $682,620 | +$598,938 | +715.73% | |
| Hsbc Holdings Plc | 0.00% | 104,056 | $82,215 | $666,999 | +$584,784 | +711.29% | |
| Morgan Stanley | 0.00% | 74,565 | $58,593 | $477,962 | +$419,369 | +715.73% | |
| Bank Of America Corp | 0.00% | 70,094 | $55,024 | $449,303 | +$394,279 | +716.56% | |
| Fragasso Financial Advisors Inc | 0.00% | 64,039 | $51,756 | $410,490 | +$358,734 | +693.13% | |
| Blue Zone Wealth Advisors, Llc | 0.01% | 59,523 | $46,773 | $381,542 | +$334,769 | +715.73% | |
| Simplex Trading, Llc | 0.00% | 57,235 | $44,975 | $366,876 | +$321,901 | +715.73% | |
| Prime Capital Investment Advisors, Llc | 0.00% | 50,000 | $39,290 | $320,500 | +$281,210 | +715.73% | |
| Prudential Financial Inc | 0.00% | 44,400 | $34,890 | $284,604 | +$249,714 | +715.72% | |
| Ccg Wealth Management, Llc | 0.01% | 38,473 | $30,232 | $246,612 | +$216,380 | +715.73% | |
| Fort Washington Investment Advisors Inc | 0.00% | 36,021 | $28,457 | $230,895 | +$202,438 | +711.38% | |
| Raymond James Financial Inc | 0.00% | 34,631 | $27,213 | $221,985 | +$194,772 | +715.73% | |
| Williams & Novak, Llc | 0.02% | 32,825 | $26,933 | $210,408 | +$183,475 | +681.23% | |
| Vanguard Global Advisers, Llc | 0.00% | 18,212 | $14,315 | $116,739 | +$102,424 | +715.50% | |
| Tamar Securities, Llc | 0.00% | 11,400 | $8,959 | $73,074 | +$64,115 | +715.65% | |
| Dickmeyer Boyce Financial Management, Inc. | 0.01% | 11,000 | $8,644 | $70,510 | +$61,866 | +715.71% | |
| Dynamic Advisor Solutions Llc | 0.00% | 10,488 | $8,241 | $67,228 | +$58,987 | +715.78% | |
| Federation Des Caisses Desjardins Du Quebec | 0.00% | 2,100 | $1,649 | $13,461 | +$11,812 | +716.31% | |
| Bnp Paribas Financial Markets | 0.00% | 723 | $568 | $4,634 | +$4,066 | +715.92% | |
| Sound Income Strategies, Llc | 0.00% | 250 | $205 | $1,603 | +$1,398 | +681.71% | |
| Jones Financial Companies Lllp | 0.00% | 64 | $53 | $410 | +$357 | +674.04% | |
| Whittier Trust Co | 0.00% | 57 | $46 | $365 | +$319 | +694.28% | |
| Shp Wealth Management | 0.00% | 47 | $37 | $301 | +$264 | +714.24% | |
| Farther Finance Advisors, Llc | 0.00% | 25 | $21 | $160 | +$139 | +663.10% | |
| Hrt Financial Lp | 0.00% | 12,233 | $9 | $78,414 | +$78,405 | +871161.44% | |
| Osaic Holdings, Inc. | 0.00% | 5 | $3 | $32 | +$29 | +968.33% | |
| Sbi Securities Co., Ltd. | 0.00% | 4 | $3 | $26 | +$23 | +754.67% |
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.