Dorman Products, Inc.
Dorman Products, Inc. (DORM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · DORM · as of Sep 30, 2025
Ownership Breakdown
349
Institutional Holders
▲ 3 vs Q2
$4.00B
Total Inst. Value
▲ $802.21M vs Q2
29.88M
Shares Outstanding
freeFloat 86.63%
25.69M
13F Shares Held
▼ 402,004 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
DORM largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. motor vehicle parts & accessories | 3.91M | 12.81% | 12.81% | $609.42B | Nov 12, 2025 | ▼ 34.4K |
VANGUARD GROUP INC motor vehicle parts & accessories | 3.06M | 10.03% | 10.03% | $477.24B | Nov 7, 2025 | ▲ 9.8K |
MORGAN STANLEY motor vehicle parts & accessories | 1.35M | 4.43% | 4.43% | $210.64B | May 27, 2026 | ▼ 56.8K |
STATE STREET CORP motor vehicle parts & accessories | 1.05M | 3.45% | 3.45% | $164.28B | Nov 14, 2025 | ▼ 27.1K |
DIMENSIONAL FUND ADVISORS LP motor vehicle parts & accessories | 1.03M | 3.36% | 3.36% | $159.89B | Nov 12, 2025 | ▲ 3.1K |
FULLER & THALER ASSET MANAGEMENT, INC. motor vehicle parts & accessories | 884.9K | 2.90% | 2.90% | $137.94B | Nov 13, 2025 | ▲ 100.9K |
INVESCO LTD. motor vehicle parts & accessories | 811.8K | 2.66% | 2.66% | $126.54B | Nov 13, 2025 | ▼ 263 |
GEODE CAPITAL MANAGEMENT, LLC motor vehicle parts & accessories | 687.0K | 2.25% | 2.25% | $107.11B | Nov 12, 2025 | ▲ 9.9K |
JENNISON ASSOCIATES LLC motor vehicle parts & accessories | 666.5K | 2.18% | 2.18% | $103.90B | Oct 30, 2025 | ▼ 77.9K |
PRICE T ROWE ASSOCIATES INC /MD/ motor vehicle parts & accessories | 663.6K | 2.17% | 2.17% | $103.45B | Nov 14, 2025 | ▲ 393.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
16
Increased
+1.01M shares1
New Positions
first time holders33
Decreased
−711.7K shares0
Sold Out
fully exitedNet shares change (top 50)
+301.5K
+1.01M / −711.7K
Net new holders
-16
1 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
DORM insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
16
Buy transactions
37
Sell transactions
0.43
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 |
|---|---|---|---|---|---|---|---|
RILEY RICHARD T director | May 15, 2026 | Tax Withhold | 33 | $116.16 | $3.8K | 29.0K | Form 4 ↗ |
Bachmann Lisa M director | May 15, 2026 | Tax Withhold | 33 | $116.16 | $3.8K | 6.9K | Form 4 ↗ |
Romano Kelly A director | May 15, 2026 | Tax Withhold | 33 | $116.16 | $3.8K | 10.8K | Form 4 ↗ |
Thomas James Darrell director | May 15, 2026 | Tax Withhold | 33 | $116.16 | $3.8K | 6.6K | Form 4 ↗ |
Long Donna M. SVP, CIO | Mar 12, 2026 | Sale | 318 | $102.19 | $32.5K | 20.7K | Form 4 ↗ |
Long Donna M. SVP, CIO | Mar 12, 2026 | Sale | 394 | $103.21 | $40.7K | 20.3K | Form 4 ↗ |
Long Donna M. SVP, CIO | Mar 12, 2026 | Sale | 235 | $104.03 | $24.4K | 20.1K | Form 4 ↗ |
Bowen Gregory C. VP, Chief Accounting Officer | Mar 3, 2026 | Tax Withhold | 76 | $116.22 | $8.8K | 5.2K | Form 4 ↗ |
Bowen Gregory C. VP, Chief Accounting Officer | Mar 4, 2026 | Tax Withhold | 107 | $116.16 | $12.4K | 5.1K | Form 4 ↗ |
Leff Scott SVP, CHRO | Mar 3, 2026 | Tax Withhold | 235 | $116.22 | $27.3K | 18.3K | 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
Dorman Products, Inc. (DORM) is primarily owned by institutional investors, who hold approximately 86.0% of total shares outstanding. Company insiders own approximately 13.37%, while retail and public investors account for the remaining 0.67%.
The largest institutional shareholder of Dorman Products, Inc. is BLACKROCK, INC., holding approximately 3.91 million shares — equal to 12.81% of outstanding shares — as of September 30, 2025.
A total of 349 institutional investors currently hold DORM stock, with a combined institutional value of approximately $4.00 billion as of the most recent 13F filing period.
Frequently asked questions
DORM ownershipDorman Products, Inc. (DORM) is primarily owned by institutional investors, who hold approximately 86.0% of shares. The largest shareholder is BLACKROCK, INC. with a 12.81% stake. Company insiders hold 13.37%. Data sourced from SEC Form 13F as of September 30, 2025.