$MSFT

Billionaire Bill Gates' Foundation Sold Its Microsoft Stake and Has 43% of Its $33 Billion Portfolio Invested in 2 Other Stocks

According to the article, the Bill & Melinda Gates Foundation sold its remaining Microsoft stake, leaving about 43% of its roughly $33 billion public-equity portfolio invested in two stocks. Microsoft exposure remains via Gates’ personal holdings of 103 million shares worth about $43 billion. The top holdings are Berkshire Hathaway (~25%) and WM (~18%), based on the latest SEC 13F.

Original reporting
Published May 25, 2026, 5:45 AM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai May 25, 2026, 6:12 AM UTC. Informational, not investment advice.
How this was made
alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
Billionaire Bill Gates' Foundation Sold Its Microsoft Stake and Has 43% of Its $33 Billion Portfolio Invested in 2 Other Stocks — source image
Decision brief

The 30-second read

$MSFTNeutralLow
01

Why it matters

The only concrete “event” is portfolio rebalancing by the foundation trust; the rest is valuation and business-quality commentary for MSFT, BRKB, and WM.

02

Market read

Trading relevance is mainly positioning/sentiment read-through from a major investor’s portfolio concentration, not a new operating catalyst.

03

What to watch

The article does not quantify how much of the foundation’s total MSFT exposure was already sold previously, nor does it establish whether any other large holders changed positions concurrently.

Relevance 7/10Timing: No immediate corporate catalyst; any trading relevance is mainly sentiment/positioning read-through from a large investor’s portfolio changes.

Background

The Gates Foundation plans to wind down by 2045 and funds spending via a ~$33B public equity portfolio; this article focuses on the portfolio’s remaining concentration after selling the last recent MSFT donation.

Company-level read

Ticker impact

$MSFTNeutralMedium confidence
Context

The article says Gates Foundation sold the last of its most recent Microsoft donation, leaving only indirect exposure via Gates’ personal holdings.

Expected impact

Near-term impact likely limited; any flow effect is small versus MSFT’s size, while the piece is more supportive than bearish.

Evidence & confidence

The news is about a foundation trust’s holdings rather than MSFT operating results; the article provides no new MSFT fundamentals, only portfolio rebalancing context.

$WMBullishLow confidence
Context

WM is the Gates Foundation trust’s second-largest position (~18% of the portfolio), with the article highlighting its landfill moat and margin expansion.

Expected impact

Potentially supportive sentiment effect, but no direct catalyst beyond the article’s commentary.

Evidence & confidence

The piece cites prior margin expansion and valuation, yet it does not report a fresh WM-specific corporate action or new disclosure.

Market effects

Reinforces a value/quality tilt (moat, cash flow) via Gates Foundation’s remaining concentrated holdings rather than a sector-wide shock.

Primarily US large-cap/industrial exposure; no specific regional dislocation described.

No direct global macro or cross-border transaction impact mentioned; story is investor-portfolio driven.

Counterpoint

Selling the last Microsoft donation could signal a desire to reduce concentration risk, even if the article still argues MSFT is attractive.

Key entities

  • Gates Foundation trust portfolio

    Holds ~$33B in public equities and reduced MSFT exposure after selling the last of a recent donation.

  • Microsoft

    Receives reduced foundation trust exposure via the sold donation; Gates still holds shares personally.

  • Berkshire Hathaway

    Top remaining holding (~25% of the trust portfolio) in the article’s description.

  • WM

    Second-largest remaining holding (~18% of the trust portfolio) in the article’s description.

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