# WEST PHARMACEUTICAL SVSC INC (WST) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 955306105
Page URL: https://superinvestorclub.com/stock/WST
Last updated: 2026-07-08T13:37:06.831Z

## Summary

As of the most recent 13F filing period, WEST PHARMACEUTICAL SVSC INC (WST) is held by 4 tracked superinvestors with an aggregate position value of $224.0M representing 0444500416948231618906 shares.

## Top institutional holders (4)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Bill & Melinda Gates Foundation](https://superinvestorclub.com/manager/3) | Bill & Melinda Gates Foundation Trust | 444500 | $111.4M | 0.35% | 2026-03-31 |
| 2 | [Andreas Halvorsen](https://superinvestorclub.com/manager/59) | Viking Global Investors | 416948 | $104.5M | 0.29% | 2026-03-31 |
| 3 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 23161 | $5.8M | 0.03% | 2026-03-31 |
| 4 | [Hillman Value Fund](https://superinvestorclub.com/manager/95) | Hillman Capital Management | 8906 | $2.2M | 1.55% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 2 holders, $408.5M aggregate, 010310531292 shares
- 2024-06-30: 1 holders, $342.7M aggregate, 01040524 shares
- 2024-09-30: 1 holders, $325.9M aggregate, 01085919 shares
- 2024-12-31: 1 holders, $208.8M aggregate, 0637398 shares
- 2025-03-31: 2 holders, $451.7M aggregate, 01573119444500 shares
- 2025-06-30: 2 holders, $325.0M aggregate, 01040648444500 shares
- 2025-09-30: 3 holders, $426.9M aggregate, 0117258344450010273 shares
- 2025-12-31: 4 holders, $207.0M aggregate, 044450029502889064073 shares
- 2026-03-31: 4 holders, $224.0M aggregate, 0444500416948231618906 shares

## Recent congressional trades (12)

- 2025-07-22: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-06-17: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-05-19: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-23: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-08: Rob Bresnahan (Republican-PA) sale $1,001 - $15,000
- 2025-03-12: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-25: Rob Bresnahan (Republican-PA) purchase $1,001 - $15,000
- 2025-02-19: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-13: Jared Moskowitz (Democrat-FL) sale $1,001 - $15,000
- 2024-11-08: Jared Moskowitz (Democrat-FL) sale $1,001 - $15,000
- 2024-10-14: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2024-10-11: Ro Khanna (Democrat-CA) sale $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "WEST PHARMACEUTICAL SVSC INC (WST) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/WST), aggregating SEC 13F, Form 4, and congressional disclosures."