ADP
Automatic Data Processing Inc
272.20$
-0.3%
vs. previous close
Closing price · As of: Sep 17, 2026
Ownership
Ownership Structure
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%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
90.7%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
0.2%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.8%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
3.0%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
397Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.94 | 35,499,016 | -2.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.58 | 26,150,698 | +0.0 | 03/31/2026 |
| State Street Corp | 4.87 | 19,326,803 | +2.0 | 03/31/2026 |
| Amvescap Plc. | 3.19 | 12,660,372 | -2.9 | 03/31/2026 |
| Geode Capital Management, LLC | 3.02 | 11,993,206 | +3.6 | 03/31/2026 |
| Charles Schwab Investment Management Inc | 2.91 | 11,561,745 | +378.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 2.78 | 11,052,077 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.20 | 12,727,644 | +0.3 | 07/31/2026 |
| Schwab US Dividend Equity ETF™ | 2.75 | 10,917,548 | +0.2 | 08/29/2026 |
| Vanguard 500 Index Investor | 2.64 | 10,492,304 | +1.1 | 07/31/2026 |
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 |
|---|---|---|---|---|---|
| Bonarti Michael A | Corporate Vice President | 89,336 | 24,317,350 $ | Sep 1, 2026 | direct |
| Black Maria | President & CEO | 80,624 | 21,945,900 $ | Sep 2, 2026 | direct |
| Kutam Sreenivasa | Corp VP | 49,699 | 13,528,127 $ | Sep 1, 2026 | direct |
| Rodriguez Carlos A | Director | 34,178 | 9,303,334 $ | Sep 1, 2026 | direct |
| Michaud Brian L. | Executive VP | 18,843 | 5,129,088 $ | Sep 1, 2026 | direct |
| DeSilva Joseph | Executive VP | 18,824 | 5,123,944 $ | Sep 3, 2026 | direct |
| Magliulo Virginia | Executive VP | 17,792 | 4,842,989 $ | Sep 1, 2026 | direct |
| Hadley Peter J | CFO | 17,213 | 4,685,504 $ | Sep 1, 2026 | direct |
| Foskett David | Corp. VP | 14,146 | 3,850,665 $ | Sep 2, 2026 | direct |
| Kwon David | Corp VP | 12,986 | 3,534,912 $ | Sep 1, 2026 | direct |
| Boland Paul | Corp. VP | 12,334 | 3,357,272 $ | Sep 1, 2026 | direct |
| D'Ambrosio Christopher | Corp. VP | 9,928 | 2,702,312 $ | Sep 2, 2026 | direct |
| Orihuela Samantha D | Chief Marketing Officer | 6,750 | 1,837,315 $ | Sep 1, 2026 | both |
| Lehberger Jonathan S | Corp. VP | 5,731 | 1,560,051 $ | Sep 1, 2026 | direct |
| Sugla Vishwas | Chief Strategy Officer | 4,900 | 1,333,780 $ | Sep 9, 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 |
|---|---|---|---|---|---|---|
| Sep 9, 2026 | Sugla Vishwas | Chief Strategy Officer | Other | 2,073 | 0.00 | – |
| Sep 9, 2026 | Sugla Vishwas | Chief Strategy Officer | Other | 2,827 | 0.00 | – |
| Sep 3, 2026 | DeSilva Joseph | Executive VP | Sell | 631 | 282.87 | 178,491 |
| Sep 2, 2026 | Foskett David | Corp. VP | Sell | 1,529 | 283.00 | 432,707 |
| Sep 2, 2026 | DeSilva Joseph | Executive VP | Sell | 6,512 | 283.00 | 1,842,896 |
| Sep 2, 2026 | D'Ambrosio Christopher | Corp. VP | Sell | 1,872 | 283.00 | 529,776 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 10,591 | 280.82 | 2,974,142 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 7,724 | 281.66 | 2,175,540 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 2,898 | 279.74 | 810,673 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 1,483 | 281.13 | 416,919 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 1,193 | 280.96 | 335,185 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 1,018 | 280.60 | 285,646 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 786 | 280.27 | 220,291 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 760 | 281.70 | 214,089 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 700 | 278.59 | 195,012 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 610 | 281.86 | 171,936 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 559 | 279.93 | 156,483 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 256 | 279.44 | 71,538 |
| Sep 2, 2026 | Black Maria | President & CEO | Sell | 214 | 279.21 | 59,751 |
| Sep 1, 2026 | Rodriguez Carlos A | Director | Other | 13,472 | 283.49 | 3,819,177 |
| Sep 1, 2026 | Orihuela Samantha D | Chief Marketing Officer | Other | 154 | 283.49 | 43,657 |
| Sep 1, 2026 | Orihuela Samantha D | Chief Marketing Officer | Other | 1,163 | 0.00 | – |
| Sep 1, 2026 | Michaud Brian L. | Executive VP | Other | 2,281 | 283.49 | 646,641 |
| Sep 1, 2026 | Michaud Brian L. | Executive VP | Other | 2,683 | 0.00 | – |
| Sep 1, 2026 | Magliulo Virginia | Executive VP | Other | 2,709 | 283.49 | 767,974 |
| Sep 1, 2026 | Magliulo Virginia | Executive VP | Other | 2,858 | 0.00 | – |
| Sep 1, 2026 | Lehberger Jonathan S | Corp. VP | Other | 406 | 283.49 | 115,097 |
| Sep 1, 2026 | Lehberger Jonathan S | Corp. VP | Other | 903 | 0.00 | – |
| Sep 1, 2026 | Kwon David | Corp VP | Other | 1,969 | 283.49 | 558,192 |
| Sep 1, 2026 | Kwon David | Corp VP | Other | 1,763 | 0.00 | – |
| Sep 1, 2026 | Kutam Sreenivasa | Corp VP | Other | 7,329 | 283.49 | 2,077,698 |
| Sep 1, 2026 | Kutam Sreenivasa | Corp VP | Other | 5,259 | 0.00 | – |
| Sep 1, 2026 | Hadley Peter J | CFO | Other | 1,651 | 283.49 | 468,042 |
| Sep 1, 2026 | Hadley Peter J | CFO | Other | 6,464 | 0.00 | – |
| Sep 1, 2026 | Foskett David | Corp. VP | Other | 1,980 | 283.49 | 561,310 |
| Sep 1, 2026 | Foskett David | Corp. VP | Other | 4,006 | 0.00 | – |
| Sep 1, 2026 | DeSilva Joseph | Executive VP | Other | 7,482 | 283.49 | 2,121,072 |
| Sep 1, 2026 | DeSilva Joseph | Executive VP | Other | 5,089 | 0.00 | – |
| Sep 1, 2026 | D'Ambrosio Christopher | Corp. VP | Other | 1,736 | 283.49 | 492,139 |
| Sep 1, 2026 | D'Ambrosio Christopher | Corp. VP | Other | 2,565 | 0.00 | – |
| Sep 1, 2026 | Bonarti Michael A | Corporate Vice President | Other | 7,727 | 283.49 | 2,190,527 |
| Sep 1, 2026 | Bonarti Michael A | Corporate Vice President | Other | 5,076 | 0.00 | – |
| Sep 1, 2026 | Boland Paul | Corp. VP | Other | 3,134 | 283.49 | 888,458 |
| Sep 1, 2026 | Boland Paul | Corp. VP | Other | 3,634 | 0.00 | – |
| Sep 1, 2026 | Black Maria | President & CEO | Other | 31,215 | 283.49 | 8,849,140 |
| Sep 1, 2026 | Black Maria | President & CEO | Other | 21,689 | 0.00 | – |
| Aug 21, 2026 | Michaud Brian L. | Executive VP | Sell | 120 | 279.70 | 33,564 |
| Aug 20, 2026 | Kwon David | Corp VP | Sell | 798 | 280.00 | 223,440 |
| Aug 20, 2026 | Kwon David | Corp VP | Other | 967 | 169.84 | 164,235 |
| Aug 5, 2026 | Rodriguez Carlos A | Director | Other | 24,922 | 0.00 | – |
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: September 17, 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.