Back to MCK researchManagerReported valueSharesFiling period Arrowstreet Capital, Limited Partnership$1.1B1.31M2026-03-31Berkshire Hathaway$815M2.29M2023-03-31UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME$773M893K2026-03-31Legal & General Group Plc$451M1.04M2023-09-30Lone Pine Capital$339M392K2026-03-31Swiss National Bank$313M362K2026-03-31Dimensional Fund Advisors LP$308M356K2026-03-31Sumitomo Mitsui Trust Group, Inc.$243M281K2026-03-31Mitsubishi UFJ Asset Management Co., Ltd.$241M278K2026-03-31HSBC Holdings PLC$234M271K2026-03-31Principal Financial Group Inc$221M293K2026-06-30American Century Companies Inc$96.1M111K2026-03-31BNP Paribas Financial Markets$92.5M158K2024-06-30Viking Global Investors$83M142K2024-06-30Third Point$76.4M165K2023-12-31Bridgewater Associates$58.3M67.38K2026-03-31Point72 Asset Management$13M15.88K2025-12-31
Institutional ownership
MCK in reported 13F portfolios
Reported long holdings only · filing data can be delayed up to 45 days after quarter-end.Managers17
Reported value$5.5B
Latest periodJun 2026
Frequently asked questions
Who owns MCK?
17 managers currently show reported long MCK positions in Insider Deck’s 13F sample, totaling about $5.5B.
How fresh is MCK 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.