# WEST PHARMACEUTICAL SVSC INC COM

WEST PHARMACEUTICAL SVSC INC COM is a security (CUSIP 955306105) tracked across SEC portfolio filings. 835 institutional managers reported $17.4B on Form 13F as of 2026-06-30; 65 registered fund positions totaling $1.4B via N-PORT as of 2026-06-30.

## Summary

- Issuer: WEST PHARMACEUTICAL SVSC INC
- Class: COM
- CUSIP: 955306105
- Asset category: EC
- 13F holders: 835
- 13F value: $17.4B
- 13F period: 2026-06-30
- N-PORT fund positions: 65
- N-PORT value: $1.4B
- N-PORT report: 2026-06-30

## Top institutional holders (Form 13F)

_Showing 15 of 835 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $2.6B | 9,539,173 |
| BlackRock, Inc. | New York, NY | $1.7B | 6,836,714 |
| STATE STREET CORP | BOSTON, MA | $825.6M | 3,293,778 |
| Bank of New York Mellon Corp | NEW YORK, NY | $733.7M | 2,043,823 |
| [Artisan Partners Limited Partnership](https://search.stillhousedata.com/firm/150114) | Milwaukee, WI | $666.2M | 2,657,893 |
| [GENERATION INVESTMENT MANAGEMENT LLP](https://search.stillhousedata.com/firm/164371) | London, X0 | $562.4M | 2,243,976 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $477.5M | 1,912,455 |
| MORGAN STANLEY | NEW YORK, NY | $365.5M | 1,458,282 |
| [BROWN ADVISORY INC](https://search.stillhousedata.com/firm/17501) | BALTIMORE, MD | $336.1M | 1,340,877 |
| [Longview Partners (Guernsey) LTD](https://search.stillhousedata.com/firm/143875) | ST PETER PORT, Y7 | $329.7M | 1,315,403 |
| FMR LLC | BOSTON, MA | $313.2M | 1,249,748 |
| APG Asset Management N.V. | Amsterdam, P7 | $275.7M | 1,267,282 |
| TD Asset Management Inc | Toronto, A6 | $262.4M | 731,054 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $255.8M | 1,043,417 |
| UBS ASSET MANAGEMENT AMERICAS INC | CHICAGO, IL | $226.3M | 902,764 |

## Top fund holders (N-PORT)

_Showing 15 of 65 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002102) | T. ROWE PRICE MID-CAP GROWTH FUND, INC. | $265.9M | 118.01% |
| [Invesco S&P 500 Equal Weight ETF](https://search.stillhousedata.com/fund/S000060812) | Invesco Exchange-Traded Fund Trust | $210.9M | 24.00% |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | State Street(R) SPDR(R) S&P 500(R) ETF Trust | $210.7M | 3.23% |
| [AMCAP Fund](https://search.stillhousedata.com/fund/S000008817) | AMCAP Fund | $184.0M | 18.92% |
| [Virtus KAR Mid-Cap Core Fund](https://search.stillhousedata.com/fund/S000025925) | Virtus Equity Trust | $152.5M | 783.13% |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $61.9M | 3.92% |
| [Artisan Global Opportunities Fund](https://search.stillhousedata.com/fund/S000023270) | Artisan Partners Funds Inc. | $37.6M | 246.67% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $34.7M | 34.27% |
| [Lord Abbett Dividend Growth Fund](https://search.stillhousedata.com/fund/S000006998) | LORD ABBETT RESEARCH FUND INC | $26.1M | 52.59% |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $24.5M | 22.46% |
| [Fidelity Advisor Health Care Fund](https://search.stillhousedata.com/fund/S000005329) | Fidelity Advisor Series VII | $23.8M | 82.46% |
| [T. Rowe Price U.S. Equity Research Fund](https://search.stillhousedata.com/fund/S000002071) | T. Rowe Price U.S. Equity Research Fund, Inc. | $11.1M | 7.07% |
| [CONESTOGA SMID CAP FUND](https://search.stillhousedata.com/fund/S000043859) | Conestoga Funds | $11.0M | 221.36% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $10.7M | 2.95% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $10.2M | 1.73% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/955306105.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.