Automatic Data Processing Inc (ADP)
Who owns Automatic Data Processing Inc (ADP)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.8% of the shares are freely tradable; institutional investors hold 90.7%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 10.40 | 41,579,918 | -0.3 | 12/31/2025 |
| BlackRock Inc | 8.88 | 35,499,016 | -2.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.54 | 26,150,698 | +0.0 | 03/31/2026 |
| State Street Corp | 4.83 | 19,326,803 | +2.0 | 03/31/2026 |
| Geode Capital Management, LLC | 3.00 | 11,993,206 | +3.6 | 03/31/2026 |
| Charles Schwab Investment Management Inc | 2.89 | 11,561,745 | +378.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 2.76 | 11,052,077 | +0.0 | 03/31/2026 |
| Wellington Management Company LLP | 2.53 | 10,104,386 | +37.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.21 | 12,830,057 | +0.4 | 04/30/2026 |
| Vanguard 500 Index Investor | 2.61 | 10,440,212 | +1.8 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 30. Jul 2026 | Kwon David | Corp VP | Sell | 1,053 | 265.62 | 279,698 |
| 30. Jul 2026 | Kwon David | Corp VP | Sell | 887 | 265.62 | 235,605 |
| 30. Jul 2026 | Kwon David | Corp VP | Sell | 474 | 265.62 | 125,904 |
| 30. Jul 2026 | Kwon David | Corp VP | Other | 887 | 138.53 | 122,876 |
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: July 31, 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.