Who owns WST? 13F holders and whale ownership
WST is tracked across public portfolios in Whale Analyzer. This page answers who owns WST, which top funds are buying WST, aggregate disclosed value, and recent position changes based on public data. Al Gore / David Blood is the largest reported holder at $562M; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (2 increased, 0 reduced); the stock trades above the aggregate whale cost basis of $256.51. Top tracked holders include Al Gore / David Blood, Bill Gates, and Andreas Halvorsen.
Continue to the live WST dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Al Gore / David Blood 13F portfolio Generation Investment Management holdings | $562.4M | 2.2M | Increased |
| Bill Gates 13F portfolio Bill & Melinda Gates Foundation holdings | $111.4M | 444.5K | Held |
| Andreas Halvorsen 13F portfolio Viking Global Investors holdings | $104.5M | 416.9K | Increased |
Ownership concentration
Reported ownership of WST is highly concentrated across tracked institutions.
- Single largest holder: 72.3% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 3 tracked institutions, 2 increased, 1 held. Net positioning is net buying.
- Al Gore / David Blood — Generation Investment Management ($562.4M) (▲ 43.7% qoq shares) · avg cost $263.32
- Bill Gates — Bill & Melinda Gates Foundation ($111.4M) (→ 0.0% qoq shares) · avg cost $210.85
- Andreas Halvorsen — Viking Global Investors ($104.5M) (▲ 41.3% qoq shares) · avg cost $268.54
Whale cost basis vs current price
The aggregate tracked cost basis is $256.51 versus a current price of $350.85, so WST trades above its cost basis (+36.8%). Average unrealized P&L across tracked holders: 25%.
Sector positioning — Health Care
WST sits within the Health Care sector alongside 221 other tracked names. Compare whale ownership across peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live WST dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
Related stock holder pages
- MSFT whale holders — MICROSOFT CORP
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- AMZN whale holders — AMAZON COM INC
- MELI whale holders — MERCADOLIBRE INC
- GOOGL whale holders — ALPHABET INC
- WDAY whale holders — WORKDAY INC
- STE whale holders — STERIS PLC
- TRMB whale holders — TRIMBLE INC
Learn more in Whale Analyzer Academy
Deepen your read on WST with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns WST stock?
Whale Analyzer tracks 3 public institutional holders of WST with a combined reported value of $778.3M. See the holder table above for the largest tracked positions.
Which top funds are buying WST?
Tracked institutions were net buying last quarter — 2 increased, 1 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is WST ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is WST above or below the whale cost basis?
The aggregate tracked cost basis is $256.51 versus a current price of $350.85 (+36.8%).
What does 13F ownership mean for WST?
Use the interactive WST dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.