CarParts.com, Inc.
CarParts.com, Inc. (PRTS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · PRTS · as of Sep 30, 2024
Ownership Breakdown
64
Institutional Holders
▼ 26 vs Q2
$20.96M
Total Inst. Value
▼ $10.76M vs Q2
8.06M
Shares Outstanding
freeFloat 88.51%
23.12M
13F Shares Held
▼ 8.59M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
PRTS largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
OAKTOP CAPITAL MANAGEMENT II, L.P. retail-auto & home supply stores | 3.73M | 6.50% | 6.50% | $3.38B | Nov 13, 2024 | — held |
BLACKROCK, INC. retail-auto & home supply stores | 2.91M | 5.08% | 5.08% | $2.64B | Nov 13, 2024 | NEW |
VANGUARD GROUP INC retail-auto & home supply stores | 2.50M | 4.36% | 4.36% | $2.26B | Nov 13, 2024 | ▼ 1.43M |
D. E. SHAW & CO., INC. retail-auto & home supply stores | 1.85M | 3.23% | 3.23% | $1.68B | Nov 14, 2024 | ▼ 73.6K |
RENAISSANCE TECHNOLOGIES LLC retail-auto & home supply stores | 1.59M | 2.78% | 2.78% | $1.44B | Nov 13, 2024 | ▲ 392.8K |
ACADIAN ASSET MANAGEMENT LLC retail-auto & home supply stores | 1.35M | 2.35% | 2.35% | $1.22B | Nov 12, 2024 | ▼ 665.6K |
GSA CAPITAL PARTNERS LLP retail-auto & home supply stores | 1.23M | 2.15% | 2.15% | $1.12B | Nov 5, 2024 | ▲ 867.1K |
NORTH STAR INVESTMENT MANAGEMENT CORP. retail-auto & home supply stores | 1.22M | 2.13% | 2.13% | $1.11B | Oct 30, 2024 | ▲ 32.0K |
GEODE CAPITAL MANAGEMENT, LLC retail-auto & home supply stores | 575.7K | 1.00% | 1.00% | $521.90M | Nov 12, 2024 | ▼ 5.4K |
POLAR ASSET MANAGEMENT PARTNERS INC. retail-auto & home supply stores | 533.2K | 93.00% | 93.00% | $483.25M | Nov 14, 2024 | ▼ 500.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
17
Increased
+1.99M shares3
New Positions
first time holders25
Decreased
−7.99M shares0
Sold Out
fully exitedNet shares change (top 50)
6.00M
+1.99M / −7.99M
Net new holders
-5
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
PRTS insider trading · insider activity
Source: SEC Form 4
9
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
PHELPS BARRY director | May 19, 2026 | Award | 218,342 | — | — | 218.3K | Form 4 ↗ |
GREYSON JAY KEITH director | May 19, 2026 | Award | 186,717 | — | — | 186.7K | Form 4 ↗ |
Liu Nanxi director | May 19, 2026 | Award | 186,717 | — | — | 186.7K | Form 4 ↗ |
Costa Lisa director | May 19, 2026 | Award | 186,717 | — | — | 186.7K | Form 4 ↗ |
Dutra Ana director | May 19, 2026 | Award | 186,717 | — | — | 186.7K | Form 4 ↗ |
Subramanian Kals Chief Technology Officer | Apr 8, 2026 | Award | 175,000 | — | — | 175.0K | Form 4 ↗ |
Huffaker Michael Chief Operating Officer | Apr 8, 2026 | Award | 190,000 | — | — | 190.0K | Form 4 ↗ |
Meniane David Chief Executive Officer | Apr 8, 2026 | Award | 300,000 | — | — | 300.0K | Form 4 ↗ |
GREYSON JAY KEITH director | Apr 6, 2026 | Award | 14,291 | $0.81 | $11.6K | 440.8K | Form 4 ↗ |
Meniane David Chief Executive Officer | Feb 9, 2026 | Tax Withhold | 26,068 | $0.50 | $13.0K | 2.08M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
CarParts.com, Inc. (PRTS) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 11.49%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of CarParts.com, Inc. is OAKTOP CAPITAL MANAGEMENT II, L.P., holding approximately 3.73 million shares — equal to 6.50% of outstanding shares — as of September 30, 2024.
A total of 64 institutional investors currently hold PRTS stock, with a combined institutional value of approximately $20,957,415 as of the most recent 13F filing period.
Frequently asked questions
PRTS ownershipCarParts.com, Inc. (PRTS) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is OAKTOP CAPITAL MANAGEMENT II, L.P. with a 6.50% stake. Company insiders hold 11.49%. Data sourced from SEC Form 13F as of September 30, 2024.