ATO Institutional Ownership
Top institutional (13F) holders of ATO and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
44
Institutional value
$18.09B
Top holder
BlackRock, Inc.
Top holders
| Holder | Filed | Value |
|---|---|---|
| BlackRock, Inc.holding company | Aug 7, 2026 | $2.62B |
| STATE STREET CORPinvestment advisor | Aug 7, 2026 | $1.96B |
| Vanguard Capital Managementhedge fund | Aug 13, 2026 | $1.88B |
| Vanguard Portfolio Managementhedge fund | Aug 13, 2026 | $1.61B |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | Aug 14, 2026 | $1.58B |
| Capital International Investorsinvestment advisor | Aug 12, 2026 | $1.29B |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | Aug 12, 2026 | $770.33M |
| BANK OF AMERICA CORP /DE/investment advisor | Aug 14, 2026 | $720.21M |
| Invesco Ltd.investment advisor | Aug 14, 2026 | $546.75M |
| MORGAN STANLEYinvestment advisor | Aug 13, 2026 | $493.33M |
| PRICE T ROWE ASSOCIATES INC /MD/investment advisor | Aug 14, 2026 | $427.51M |
| AQR CAPITAL MANAGEMENT LLCinvestment advisor | Aug 14, 2026 | $408.95M |
| GOLDMAN SACHS GROUP INCinvestment advisor | Aug 14, 2026 | $373.10M |
| Norges Bankother | Aug 12, 2026 | $358.19M |
| Massachusetts Financial Services Companyhedge fund | Aug 3, 2026 | $321.41M |
| CITADEL ADVISORS LLCinvestment advisor | Aug 14, 2026 | $304.35M |
| Capital Research Global Investorsinvestment advisor | Aug 12, 2026 | $259.89M |
| NORTHERN TRUST CORPinvestment advisor | Aug 13, 2026 | $240.02M |
| Point72 Asset Management, L.P.investment advisor | Aug 14, 2026 | $234.49M |
| WELLS FARGO & COMPANY/MNinvestment advisor | Aug 14, 2026 | $207.47M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | Aug 14, 2026 | $182.55M |
| Bank of New York Mellon Corpholding company | Aug 6, 2026 | $151.17M |
| Dimensional Fund Advisors LPhedge fund | Aug 11, 2026 | $132.46M |
| UBS Group AGinvestment advisor | Aug 13, 2026 | $122.84M |
| FMR LLCinvestment advisor | Aug 13, 2026 | $113.77M |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.