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Bill Gates's West Pharmaceutical Services, Inc. (WST) position

Yes: as of Q1 2026, Bill Gates holds 444K shares of WST worth $111M (0.4% of the disclosed portfolio). Last quarter the position was unchanged. First disclosed Q1 2025.
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Current value
$111M
Shares held
444K
% of portfolio
0.4%
Est. average buy price (i)
$275.60
Quarter-end price
$250.64

Estimated trade prices

Average price in quarters with purchases
$275.60

WST price vs Gates's position

1Y 3Y 5Y MAX
Dates
$200$400$60020222023202420252026New position of 444K shares · Q1 2025. Average closing price $275.60 · Price range $199.11–$347.87444Ksharespurchased
Average closing price · filing quarter
$275.60
Price range · filing quarter
$199.11 – $347.87
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
No change · Q2 2025–Q1 2026 (4 quarters)
No change – – – 444K –
Q1 2025 New +444K +$123M – 444K May 15, 2025
Data through Q2 2025–Q1 2026 · filed –
2 grouped rows from 5 quarters

More Gates positions

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$8.2B
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Waste Management, Inc.(WM)
$6.4B
20.1% of portfolio

Canadian National Railway Company(CNR.TO)
an amount we cannot price
16.8% of portfolio

Caterpillar Inc.(CAT)
$4.5B
14.2% of portfolio

Deere & Company(DE)
$2.0B
6.3% of portfolio

Ecolab Inc.(ECL)
$1.4B
4.4% of portfolio

Common questions

Does Bill Gates own WST?

Yes. As of Q1 2026, Bill Gates disclosed 444K shares of WST, worth $111M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Bill Gates buy WST?

Bill Gates first disclosed a WST position in Q1 2025; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Bill Gates sell WST?

The quarter-by-quarter table above shows each sale and reduction Bill Gates disclosed in WST. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of WST does Bill Gates own?

Bill Gates disclosed 444K shares of WST as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Bill Gates pay for WST?

Bill Gates's estimated average buy price for WST is $275.60, from quarter-average prices weighted by the shares added each quarter. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.