Donaldson Company Inc
Ownership
Ownership Structure
Who owns Donaldson Company Inc (DCI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.4% of the shares are freely tradable; institutional investors hold 90.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.31 | 11,941,762 | +6.5 | 06/30/2026 |
| State Farm Mutual Automobile Ins Co | 7.89 | 9,142,617 | +0.0 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.63 | 6,523,217 | +0.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.53 | 5,249,585 | +1.3 | 06/30/2026 |
| State Street Corp | 4.34 | 5,031,135 | +5.5 | 06/30/2026 |
| FMR Inc | 3.40 | 3,932,243 | +2.7 | 06/30/2026 |
| Geode Capital Management, LLC | 2.69 | 3,120,304 | -6.3 | 06/30/2026 |
| Kayne Anderson Rudnick Investment Management LLC | 2.40 | 2,782,815 | -4.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.56 | 4,128,779 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 3,687,385 | +0.2 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Carpenter Tod E. | Chairman, President and CEO | 318,069 | 27,131,286 $ | Sep 24, 2026 | direct |
| Lewis Richard Brent | President | 50,817 | 4,334,690 $ | Sep 24, 2026 | direct |
| Becker Amy C | Chief Legal Officer | 50,503 | 4,307,906 $ | Sep 24, 2026 | direct |
| Rautio Trudy A. | Director | 28,541 | 2,434,547 $ | Oct 2, 2026 | direct |
| Owens James | Director | 23,261 | 1,984,163 $ | Oct 2, 2026 | direct |
| Hilger Christopher M. | Director | 16,692 | 1,423,828 $ | Oct 2, 2026 | direct |
| Driesen Bart C. | President | 11,916 | 1,016,435 $ | Sep 24, 2026 | direct |
| Smiley Jacinth C | Director | 8,540 | 728,462 $ | Oct 2, 2026 | direct |
| Pogalz Bradley J. | Chief Financial Officer | 1,305 | 111,317 $ | Aug 27, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | Smiley Jacinth C | Director | Other | 268 | 88.65 | 23,758 |
| Oct 2, 2026 | Rautio Trudy A. | Director | Other | 336 | 88.65 | 29,786 |
| Oct 2, 2026 | Owens James | Director | Other | 268 | 88.65 | 23,758 |
| Oct 2, 2026 | Hilger Christopher M. | Director | Other | 402 | 88.65 | 35,637 |
| Sep 24, 2026 | Lewis Richard Brent | President | Other | 149 | 86.60 | 12,903 |
| Sep 24, 2026 | Lewis Richard Brent | President | Other | 6,340 | 0.00 | – |
| Sep 24, 2026 | Driesen Bart C. | President | Other | 2,661 | 86.60 | 230,443 |
| Sep 24, 2026 | Driesen Bart C. | President | Other | 4,465 | 0.00 | – |
| Sep 24, 2026 | Carpenter Tod E. | Chairman, President and CEO | Other | 18,761 | 86.60 | 1,624,703 |
| Sep 24, 2026 | Carpenter Tod E. | Chairman, President and CEO | Other | 38,131 | 0.00 | – |
| Sep 24, 2026 | Becker Amy C | Chief Legal Officer | Other | 2,944 | 86.60 | 254,950 |
| Sep 24, 2026 | Becker Amy C | Chief Legal Officer | Other | 5,983 | 0.00 | – |
| Sep 4, 2026 | Carpenter Tod E. | Chairman, President and CEO | Sell | 31,968 | 91.10 | 2,912,285 |
| Sep 4, 2026 | Carpenter Tod E. | Chairman, President and CEO | Other | 31,968 | 42.72 | 1,365,673 |
| Aug 31, 2026 | Carpenter Tod E. | Chairman, President and CEO | Sell | 3,032 | 91.00 | 275,912 |
| Aug 31, 2026 | Carpenter Tod E. | Chairman, President and CEO | Other | 3,032 | 42.72 | 129,527 |
| Aug 27, 2026 | Pogalz Bradley J. | Chief Financial Officer | Other | 2,129 | 91.84 | 195,527 |
| Aug 27, 2026 | Pogalz Bradley J. | Chief Financial Officer | Other | 3,000 | 42.72 | 128,160 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.