Exited position

Warren Buffett’s Mckesson Corp (MCK) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

Berkshire HathawayVerified through Q2 2026
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ1 2022Earliest verified positive filing snapshot
Latest statusExited positionBased on the latest supported relationship state
Peak shares3.20MHighest verified quarter-end share count
Quarters reported5Verified quarters with shares above zero
What happened?

Berkshire Hathaway first reported Mckesson Corp in Q1 2022. The reported position was increased and reduced across later filings. The latest verified relationship event shows that Berkshire Hathaway sold the entire position in Q2 2023, and the stock is no longer reported in the latest verified portfolio.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q2 2023
Sold the entire position−2.29M shares · No shares reported at quarter-end
Q1 2023
Sold 19.8% of the position−565.65K shares · 2.29M shares remained
Filing context

Quarter-end price $356.05 · Estimated holding basis $307.87

Q4 2022
Sold 10.7% of the position−342.83K shares · 2.86M shares remained
Filing context

Quarter-end price $375.12 · Estimated holding basis $307.87

Q2 2022
Bought 9.5% more+276.37K shares · 3.20M shares reported after the change
Filing context

Quarter-end price $326.21 · Estimated holding basis $307.87

Q1 2022
New position+2.92M shares · 2.92M shares reported
Filing context

Quarter-end price $306.13 · Estimated holding basis $306.13

1 unchanged quarter is collapsed by default.

Portfolio importance

How important was Mckesson Corp in Berkshire Hathaway’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Last reported portfolio weight0.3%Q1 2023
Last reported rank#26of 48 reported positions
Peak portfolio weight0.4%Q3 2022
Best historical rank#23Q4 2022
At peak importanceQ3 2022
MCK
0.4%
Largest holding
41.8%
Cross-investor discovery

Who else owns Mckesson Corp?

Also reported by 2 other tracked investors in their latest verified filings.

Ray DalioBridgewater Associates, LP
MCK0.2% of reported portfolio
Joel GreenblattGotham Asset Management
MCK0.1% of reported portfolio
Explore Mckesson Corp across all tracked investors →
SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$881.512026-09-11

Market context only; not an investor transaction price.

Latest verified investor filingQ2 2026 · filed 2026-08-14
Open SEC filing ↗

This tracker follows Berkshire Hathaway’s Form 13F disclosures. It is not Warren Buffett’s personal brokerage account, and 13F filings do not reveal exact trade dates or execution prices.