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DORM · Dorman Products, Inc.

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Market Cap
$3.79B
Shares
29.68M

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: 327
Total Value: $3,894,981,248
Total Shares: 28,545,119
Showing 1–100 of 331 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 327 13F filers · Δ vs Mar 31, 2026
Top Holder
14.3%
Sep 2023 → Jun 2026 · range 14.3% – 17.1%
−1.1 pts
Top 5
33.0%
Sep 2023 → Jun 2026 · range 33.0% – 47.4%
−2.6 pts
Top 10
48.4%
Sep 2023 → Jun 2026 · range 48.4% – 60.7%
−2.2 pts
HHI
398
Sep 2023 → Jun 2026 · range 398 – 646
Broadly held−38

Quarterly Activity

vs Mar 31, 2026
New
54
Increased
111
Decreased
122
Sold Out
45
Unchanged
40
Holder count: +9
Institutional value: +43.4%
Shares held: +9.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 331
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 868780 CUSIP 258278100 13F (30d) 237 filings 237 filers Visit website Investor relations