Who owns Automatic Data Processing (ADP)?
429 US mutual funds and ETFs from 168 fund families reported a position in ADP for the quarter ending 2026-06-30. Against their own report a quarter earlier, 130 raised shares, 28 opened a new position, 208 cut and 17 sold out.
Largest fund families
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Vanguard Index Funds | 4 | 37.5% |
| Ishares Trust | 16 | 12.0% |
| Invesco Qqq Trust, Series 1 | 1 | 11.7% |
| Spdr Series Trust | 12 | 4.2% |
| Vanguard Fenway Funds | 1 | 4.2% |
| Vanguard Institutional Index Funds | 2 | 3.2% |
Tracked managers holding ADP
| Investor | Book weight |
|---|---|
| Francois Rochon · Giverny | 4.9% |
Source: SEC Form N-PORT, which funds file about 60 days after quarter end, and the latest 13F filings. Share counts, not trades: a change can reflect fund inflows or outflows rather than a decision about ADP. A record of holdings, not a forecast and not investment advice. See all owner pages or the forecast board for the names our model ranks.
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