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Dorman Products DORM

US equityMarket cap rank #2337Auto Parts
$123.44 +$0.38 (+0.31%)
Pre-market · Oct 6, 4:20 am ET · After hours $123.57 +0.11%
Open$122.15
Prev close$123.06
Day range$121.39 – $124.38
Volume286.2K
Market cap$3.66B
P/E (TTM)17.1
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership99.5%-0.04 pts vs. prior quarter
Institutions holding392-2 vs. prior quarter
Insider trades (recent)21 buys / 29 sellsNet selling
Short interest5.28% of floatDays to cover 8.8 · as of 15 Sep 2026
Short-sale volume share25.3%5-day average of daily volume

Short-sale volume as % of daily volume

21%24%27%30%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$2.67M (12 inflow days, 8 outflow days).

The five largest holders on file together own 32.6% of shares outstanding.

Largest holders

  • BlackRock13.74%
  • Vanguard Portfolio Management, LLC5.16%
  • Marc Berman4.85%
  • Vanguard Capital Management, LLC4.71%
  • Steven Berman4.09%
  • Eaton Vance Management3.94%
  • State Street Global Advisors3.85%
  • Dimensional Fund Advisors3.83%

By investor type

  • Mutual Fund86.54%
  • Individual/Insider9.81%
  • Family Office/Trust3.17%
  • Private Company2.56%
  • Public Company2.43%
  • Government Pension Fund2.12%
  • Hedge Fund1.26%
  • Sovereign Wealth Fund1.01%

Reported short interest has fallen from 5.44% to 5.28% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 1,567,771 5.3% 8.8
31 Aug 2026 1,541,650 5.2% 10.3
14 Aug 2026 1,568,789 5.3% 3.4
31 Jul 2026 1,711,987 5.7% 6.9
15 Jul 2026 1,810,149 6.1% 7.6
30 Jun 2026 1,626,346 5.4% 3.9

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