Back to MCO researchManagerReported valueSharesFiling period Berkshire Hathaway$10.8B24.67M2026-03-31Principal Financial Group Inc$662M1.46M2026-06-30UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME$605M1.39M2026-03-31Dimensional Fund Advisors LP$385M883K2026-03-31Legal & General Group Plc$368M1.17M2023-09-30HSBC Holdings PLC$200M460K2026-03-31Mitsubishi UFJ Asset Management Co., Ltd.$155M355K2026-03-31Sumitomo Mitsui Trust Group, Inc.$151M345K2026-03-31Arrowstreet Capital, Limited Partnership$104M238K2026-03-31BNP Paribas Financial Markets$91.3M217K2024-06-30Himalaya Capital Management$51.4M118K2026-03-31American Century Companies Inc$16M36.59K2026-03-31Point72 Asset Management$10.4M23.80K2026-03-31Bridgewater Associates$4.1M8.81K2025-03-31
Institutional ownership
MCO in reported 13F portfolios
Reported long holdings only · filing data can be delayed up to 45 days after quarter-end.Managers14
Reported value$13.6B
Latest periodJun 2026
Frequently asked questions
Who owns MCO?
14 managers currently show reported long MCO positions in Insider Deck’s 13F sample, totaling about $13.6B.
How fresh is MCO 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.