WST

WEST PHARMACEUTICAL SERVICES
USCUSIP 955306105
Institutional Owners
8
+13 QoQ
13F Value Held
$2.2B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)8 adding · 0 trimming
Insider net (180d)+$0
Price history not yet available for WST.

Top institutional holders

8 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD CAPITAL MANAGEMENT LLC
$1.2B
4.68MNewQ1 2026
2STATE STREET CORP
$825.6M
3.29MAddedQ1 2026
3VIKING GLOBAL INVESTORS LP
$104.5M
416.9KAddedQ1 2026
4Point72 Asset Management, L.P.
$97.0M
387.1KAddedQ1 2026
5Bridgewater Associates, LP
$5.8M
23.2KAddedQ1 2026
6CITADEL ADVISORS LLC
$2.9M
11.6KAddedQ1 2026
7Gotham Asset Management, LLC
$1.8M
7.1KAddedQ1 2026
8MAVERICK CAPITAL LTD
$393K
994NewQ1 2024

Fund activity — latest quarter

Opened (NEW)
2
funds
Added
6
funds
Reduced
0
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

99 funds+96 since Q2 2022
05099Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $2.7B

Funds that own WST also own

CompanyCo-held byCombined value
Microsoft CorporationMSFT102 funds$125.1B
Nvidia CorporationNVDA100 funds$190.5B
GOOGLE INCGOOGL100 funds$73.2B
Apple Inc.AAPL99 funds$166.2B
Amazon.com, Inc.AMZN99 funds$91.4B
Meta Platforms Inc AMETA98 funds$56.4B
Broadcom LtdAVGO97 funds$65.5B
Visa, Inc.V97 funds$29.7B
Costco Wholesale CorporationCOST97 funds$20.5B
LILLY ELI AND COLLY96 funds$34.9B
Walmart, Inc.WMT96 funds$25.0B
Mastercard Inc AMA96 funds$20.2B

Ranked by how many of WST's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for WST. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.