Last refreshed: September 4, 2026 (US ET)
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MCK

Growth

MCKESSON CORP

Health CareYield: Low (<1%)

McKesson Corporation provides healthcare services in the United States and internationally. It operates through four segments: North American Pharmaceutical, Oncology & Multispecialty, Prescription Technology Solutions, and Medical-Surgical Solutions. The company distributes branded, generic, specialty, biosimilar and over-the-counter pharmaceutical drugs, and other healthcare-related products; delivers products to retail pharmacies, hospitals, long-term care centers, clinics, and institutions; and provides logistics and distribution services for manufacturers.

Close · 3M

+2.50%

MCK · 3M

+2.50%

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Held by 1 AI ETF

PQUS0.070%

as of Sep 1

Signal performance

Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.

Buy signals7
Win rate100% (7/7)
Avg buy return+14.26%
PQUSnow 0.070% of fund3 signals

PQUS · New entry · 1d

weight 0 → 0.040% (new)·stock up 9.4% in the 30 days before

Aug 21·entry $858.90·now $921.38Drifting

+7.27%
since Aug 21

PQUS · Exit · 1d

weight 0.070% → 0 (exited)·stock down 5.5% in the 30 days before

Jun 4·entry $756.95·now $921.38

+21.72%
since Jun 4

PQUS · New entry · 1d

weight 0 → 0.110% (new)·stock down 15.7% in the 30 days before

May 10·entry $725.17·now $921.38Chased

+27.06%
since May 10
AIEQno longer held8 signals

AIEQ · Exit · 1d

weight 0.050% → 0 (exited)·stock up 9.6% in the 30 days before

Sep 1·entry $906.77·now $921.38

+1.61%
since Sep 1

AIEQ · New entry · 1d

weight 0 → 0.050% (new)·stock up 13.5% in the 30 days before

Aug 2·entry $827.14·now $921.38Chased

+11.39%
since Aug 2

AIEQ · Exit · 1d

weight 0.780% → 0 (exited)·stock down 9.7% in the 30 days before

May 30·entry $734.82·now $921.38

+25.39%
since May 30

AIEQ · Weight decrease · 2d

weight 0.820% → 0.800% (-0.020 pp)·stock down 8.4% in the 30 days before

May 22·entry $766.08·now $921.38

+20.27%
since May 22

AIEQ · Weight increase · 3d

weight 0.760% → 0.800% (+0.040 pp)·stock down 12.3% in the 30 days before

May 17·entry $775.97·now $921.38Chased

+18.74%
since May 17

AIEQ · Weight increase · 2d

weight 0.760% → 0.780% (+0.020 pp)·stock down 12.3% in the 30 days before

May 15·entry $760.57·now $921.38Chased

+21.14%
since May 15

AIEQ · Weight decrease · 2d

weight 0.870% → 0.780% (-0.090 pp)·stock down 13.4% in the 30 days before

May 7·entry $754.76·now $921.38

+22.08%
since May 7

AIEQ · Sudden change · 1d

weight 0.380% → 0.870% (+0.490 pp)·stock down 6.7% in the 30 days before

May 3·entry $807.85·now $921.38

+14.05%
since May 3
AMOMno longer held17 signals

AMOM · Exit · 1d

weight 1.420% → 0 (exited)·stock down 8.6% in the 30 days before

May 4·entry $807.85·now $921.38

+14.05%
since May 4

AMOM · Weight decrease · 3d

weight 1.490% → 1.420% (-0.070 pp)·stock down 6.7% in the 30 days before

May 1·entry $814.02·now $921.38

+13.19%
since May 1

AMOM · Weight decrease · 2d

weight 1.490% → 1.430% (-0.060 pp)·stock down 5.8% in the 30 days before

Apr 30·entry $815.20·now $921.38

+13.03%
since Apr 30

AMOM · Weight decrease · 2d

weight 1.500% → 1.450% (-0.050 pp)·stock down 4.1% in the 30 days before

Apr 27·entry $828.32·now $921.38

+11.23%
since Apr 27

AMOM · Weight decrease · 7d

weight 1.650% → 1.490% (-0.160 pp)·stock down 5.4% in the 30 days before

Apr 22·entry $829.23·now $921.38

+11.11%
since Apr 22

AMOM · Weight decrease · 7d

weight 1.660% → 1.520% (-0.140 pp)·stock down 4.9% in the 30 days before

Apr 21·entry $842.25·now $921.38

+9.40%
since Apr 21

AMOM · Weight decrease · 7d

weight 1.700% → 1.540% (-0.160 pp)·stock down 4.4% in the 30 days before

Apr 20·entry $859.04·now $921.38

+7.26%
since Apr 20

AMOM · Weight decrease · 7d

stock down 5.9% in the 30 days before

Apr 17·entry $866.38·now $921.38

+6.35%
since Apr 17

AMOM · Weight decrease · 7d

stock down 7.9% in the 30 days before

Apr 16·entry $867.34·now $921.38

+6.23%
since Apr 16

AMOM · Weight decrease · 6d

stock down 8.5% in the 30 days before

Apr 15·entry $863.42·now $921.38

+6.71%
since Apr 15

AMOM · Weight decrease · 5d

stock down 7.4% in the 30 days before

Apr 10·entry $865.60·now $921.38

+6.44%
since Apr 10

AMOM · Weight decrease · 4d

stock down 6.0% in the 30 days before

Apr 9·entry $873.43·now $921.38

+5.49%
since Apr 9

AMOM · Weight decrease · 3d

stock down 7.5% in the 30 days before

Apr 8·entry $871.18·now $921.38

+5.76%
since Apr 8

AMOM · Weight decrease · 2d

stock down 6.8% in the 30 days before

Apr 7·entry $856.62·now $921.38

+7.56%
since Apr 7

AMOM · Weight decrease · 2d

stock down 12.4% in the 30 days before

Apr 1·entry $872.32·now $921.38

+5.62%
since Apr 1

AMOM · Weight increase · 3d

stock down 12.9% in the 30 days before

Mar 30·entry $860.19·now $921.38Drifting

+7.11%
since Mar 30

AMOM · Weight increase · 2d

stock down 11.7% in the 30 days before

Mar 27·entry $860.16·now $921.38Drifting

+7.12%
since Mar 27

Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.

Buffett-style framework

Fails the frameworkas of May 18

Several AI ETFs, specifically AIEQ and PQUS, have shown recent positive activity, either increasing weight or initiating new positions in McKesson Corp, while AMOM exited. This contrasts with the framework's "Fail" verdict, which stems from insufficient data to confirm the company's long-term financial health and establish a margin of safety for a value investment.

  • Circle of CompetenceMcKesson operates in the stable and essential pharmaceutical distribution industry, allowing for reasonably predictable long-term cash flow projections despite regulatory complexities.
  • Economic MoatMcKesson possesses a strong economic moat derived from its immense scale, efficient logistics, and high switching costs for customers in the concentrated pharmaceutical distribution market.
  • ManagementWithout access to shareholder letters or detailed capital allocation reports, assessing management's candor, capital allocation discipline, or skin in the game is not possible with the provided data.
  • Financial HealthWhile the most recent ROE of 39.43% is excellent, the provided data is insufficient to assess the 10-year average ROE, historical operating margins, debt manageability, or owner earnings trend.
  • Margin of SafetyWithout a conservative estimate of intrinsic value based on projected owner earnings, it is not possible to determine if the current market price offers a sufficient margin of safety.

McKesson Corp. operates in a predictable industry with a strong economic moat based on scale and distribution network. However, the lack of comprehensive historical financial data prevented a full assessment of its financial health and long-term owner earnings. Crucially, without a conservative intrinsic value estimate, a margin of safety could not be determined, leading to a "Fail" verdict within this framework.

Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.