Who Owns Mckesson CORP (MCK)? 13F Institutional Holders (Q2 2026)

MCK ranks #139 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

MCK is a top-conviction position for Carmignac Gestion — at 6.2% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in MCK belongs to BlackRock, Inc., but the position matters far more to Carmignac Gestion, who has 6.2% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

Morgan Stanley has added to its MCK position for two straight quarters, increasing it by $2.0B to reach $4.0B today.

Massachusetts Financial Services Co /ma/ has trimmed its MCK position for two straight quarters, cutting it by $970.4M while still holding $1.9B.

MCK is down 0.9% today, but institutions show net buying of $46.3B this quarter — a divergence between today's price move and the underlying institutional flow.

MCK posted net income of $4.6B over the trailing twelve months, and currently trades at a P/E of 23.9.

• Profitable — net income of $4.6B over the trailing twelve months
• Revenue grew 8.8% year over year
• Net income improved year over year, from $3.2B to $4.6B
• Generated $6.2B in positive operating cash flow
• Current ratio of 0.85x — below the conventional 1.5x liquidity buffer