West Pharmaceutical Services Inc
WST- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0000105770
In the last 90 days, West Pharmaceutical Services Inc insiders filed 0 open-market purchases and 2 sales; 839 institutions reported holding it in 13F filings for Q2 2026, worth $25.2B in total; Gates Foundation Trust is the only superinvestor holding it.
Key figures
- Market capClose on Nov 12, 2026
- $28.7B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $5.44M in total
- 2
- 13F holdersQ2 2026, +86 vs. previous quarter
- 839
- 13F valueReported value at the end of Q2 2026
- $25.2B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $3.07B
- +6.3% year over year
- Net income, FY2025
- $493.7M
- +0.2% year over year
- Free cash flow, FY2025
- $468.9M
- +69.6% year over year
- Revenue, Q3 FY2026
- $874.5M
- +8.7% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 1.81M
- Shares sold short
- Change
- −206.2K
- −10.2% vs. previous
- Days to cover
- 2.34
- At average daily volume
Superinvestors holding WST, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding West Pharmaceutical Services Inc on Form 13F. Percentages are the stock's share of each portfolio.
Gates Foundation Trust
Bill Gates
0.5%
West Pharmaceutical Services Inc's share of the portfolio
- Shares
- 444,500
- Value
- $159.6M
Latest insider trades
See all insider tradesOpen-market purchases and sales by West Pharmaceutical Services Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 (view filing)4:37 PM ET | Sep 11-15 | 4 days | Favorite Annette FSr. VP & Chief HR Officer | SSale | −7.52K | $355.03 | −$2.67M | −25.6%21.8K after | 3 lots10b5-1 |
| Sep 10, 2026 (view filing)5:36 PM ET | Sep 8 | 2 days | Favorite Annette FSr. VP & Chief HR Officer | SSale | −8.13K | $340.81 | −$2.77M | −32.6%16.8K after | 3 lots |
| Apr 29, 2026 (view filing) | Apr 27 | 2 days | Favorite Annette FSr. VP & Chief HR Officer | SSale | −2.82K | $305.20 | −$859.7K | −14.3%16.8K after | |
| Apr 29, 2026 (view filing) | Apr 27 | 2 days | Winters ChadVP, Chief Accounting Officer | SSale | −896 | $300.67 | −$269.4K | −37.0%1.52K after | |
| Oct 31, 2024 (view filing) | Oct 29 | 2 days | Witherspoon CharlesVP & Treasurer | SSale | −703 | $310.40 | −$218.2K | −35.9%1.25K after | 2 lots |
| Aug 21, 2024 (view filing) | Aug 19 | 2 days | Witherspoon CharlesVP & Treasurer | SSale | −1.03K | $300.00 | −$308.7K | −41.0%1.48K after | 2 lots |
| Aug 21, 2024 (view filing) | May 10 | 103 daysLate | Hofmann Thomas WDirector | SSale | −617 | $365.92 | −$225.8K | −1.4%43.6K after | |
| Aug 8, 2024 (view filing) | Aug 6 | 2 days | Green Eric MarkPresident, CEO and Board Chair | SSale | −30.7K | $304.71 | −$9.36M | −16.0%161.9K after | 10b5-1 |
| Aug 8, 2024 (view filing) | May 7 | 93 days | Green Eric MarkPresident, CEO and Board Chair | SSale | −66.0K | $366.65 | −$24.2M | −30.1%152.9K after | Amended3 lots10b5-1 |
| Jun 13, 2024 (view filing) | Jun 12 | 1 day | Abraham SiljiSVP, Chief Technology Officer | SSale | −1.80K | $330.78 | −$595.4K | −38.6%2.86K after |
Top 10 13F holders, Q2 2026
See all 839 holdersThe largest institutional positions in West Pharmaceutical Services Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,651,784 | $2.39B | 0.04% | −184,930−2.7% | Reduced |
| Vanguard Capital Management LLC | 4,613,134 | $1.66B | 0.04% | −70,152−1.5% | Reduced |
| Vanguard Portfolio Management LLC | 4,015,766 | $1.44B | 0.06% | −78,243−1.9% | Reduced |
| FMR LLC | 3,574,816 | $1.28B | 0.06% | +2,325,068+186.0% | Added |
| State Street Corp | 3,348,698 | $1.20B | 0.04% | +54,920+1.7% | Added |
| Artisan Partners Limited Partnership | 2,411,792 | $865.8M | 1.41% | −246,101−9.3% | Reduced |
| Bank of New York Mellon Corp | 2,043,823 | $733.7M | 0.12% | −422,035−17.1% | Reduced |
| Generation Investment Management LLP | 2,028,322 | $728.2M | 7.08% | −215,654−9.6% | Reduced |
| Geode Capital Management, LLC | 1,903,279 | $680.6M | 0.04% | −9,176−0.5% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,805,019 | $648.0M | 0.42% | −535,384−22.9% | Reduced |
Holders of 5% or more of WST
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of West Pharmaceutical Services Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G/A | 8.50%5.96M shares | +3.50 ppfrom 5.00% | Aug 6, 20262 filings | Nov 5, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 8.40%6.07M shares | – | Apr 24, 20251 filing | Apr 24, 2025 | SEC |
| Vanguard Capital Management LLC | 13G | 7.48%5.40M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.69%4.10M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Politician trades
All politician trades in WST6 members of Congress reported 13 trades in West Pharmaceutical Services Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Aug 13, 2025 |  Lisa C. McClain House · MI | Sell | $1K-$15K |
| Aug 13, 2025 | Lisa C. McClain House · MI | Buy | $1K-$15K |
| May 8, 2025 |  Robert P. Bresnahan, Jr. House · PA | Sell | $1K-$15K |
| Mar 27, 2025 | Robert P. Bresnahan, Jr. House · PA | Buy | $1K-$15K |
| Mar 6, 2025 |  Jared Moskowitz House · FL | Sell | $1K-$15K |
House · MI · Aug 13, 2025
Sell$1K-$15K
House · MI · Aug 13, 2025
Buy$1K-$15K
House · PA · May 8, 2025
Sell$1K-$15K
House · PA · Mar 27, 2025
Buy$1K-$15K
House · FL · Mar 6, 2025
Sell$1K-$15K