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PRTS

CarParts.com, Inc.

Company with tickers: PRTS

CIK
1378950
CUSIP
14427M107
Shares Outstanding
8,098,751
13F Activity (30d)
9 filings 9 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 33
Total Value: $5,115,271
Total Shares: 6,475,045

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 33 13F filers · Δ vs Dec 31, 2025
Top Holder
37.2%
Sep 2023 → Mar 2026 · range 11.3% – 37.2%
+5.0 pts
Top 5
78.7%
Sep 2023 → Mar 2026 · range 42.5% – 78.7%
+14.7 pts
Top 10
91.6%
Sep 2023 → Mar 2026 · range 62.1% – 91.6%
+9.4 pts
HHI
2,056
Sep 2023 → Mar 2026 · range 518 – 2,056
Moderately concentrated+597

Quarterly Activity

vs Dec 31, 2025
New
9
Increased
4
Decreased
4
Sold Out
12
Unchanged
16
Holder count: -3
Institutional value: +143.6%
Shares held: +54.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 33 of 33
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Holder Value (USD) % of 13F Shares Open