Who owns Ats Corp (ATS)?
21 US mutual funds and ETFs from 19 fund families reported a position in ATS for the quarter ending 2026-06-30. Against their own report a quarter earlier, 7 raised shares, 2 opened a new position, 6 cut and 3 sold out.
Largest fund families
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Janus Investment Fund | 2 | 42.0% |
| Vanguard Tax-Managed Funds | 1 | 21.9% |
| Meridian Fund Inc | 1 | 7.6% |
| Fidelity School Street Trust | 1 | 6.0% |
| First Trust Exchange-Traded Fund Vi | 1 | 4.9% |
| Janus Aspen Series | 1 | 4.5% |
Tracked managers holding ATS
| Investor | Book weight |
|---|---|
| Prem Watsa · Fairfax | 2.7% |
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 ATS. 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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