Back to ATI researchManagerReported valueSharesFiling period Viking Global Investors$485M3.33M2026-03-31Point72 Asset Management$281M1.93M2026-03-31Dimensional Fund Advisors LP$199M1.37M2026-03-31Arrowstreet Capital, Limited Partnership$175M1.20M2026-03-31American Century Companies Inc$156M1.07M2026-03-31Principal Financial Group Inc$60.8M308K2026-06-30UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME$51.6M355K2026-03-31Swiss National Bank$39.1M269K2026-03-31Legal & General Group Plc$16.4M398K2023-09-30HSBC Holdings PLC$4.2M28.79K2026-03-31BNP Paribas Financial Markets$3.9M70.13K2024-06-30Bridgewater Associates$3.2M21.95K2026-03-31ARK Investment Management$98.8K6792026-03-31Mitsubishi UFJ Asset Management Co., Ltd.$53.7K3692026-03-31
Institutional ownership
ATI in reported 13F portfolios
Reported long holdings only · filing data can be delayed up to 45 days after quarter-end.Managers14
Reported value$1.5B
Latest periodJun 2026
Frequently asked questions
Who owns ATI?
14 managers currently show reported long ATI positions in Insider Deck’s 13F sample, totaling about $1.5B.
How fresh is ATI ownership data?
13F filings are quarterly and can lag quarter-end by up to 45 days. Positions appear after SEC tables are processed and CUSIPs resolve to tickers.