West Pharmaceutical Services Ownership | Who Owns West Pharmaceutical Services?
West Pharmaceutical Services Ownership Summary
West Pharmaceutical Services is owned by 96.75% institutional investors, 0.64% insiders, and 2.61% retail investors. Vanguard group is the largest institutional shareholder, holding 13.19% of WST shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.25% of its assets in West Pharmaceutical Services shares.
WST Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | West Pharmaceutical Services | 96.75% | 0.64% | 2.61% |
| Sector | Healthcare Stocks | 35.58% | 11.87% | 52.55% |
| Industry | Medical Instruments & Supplies Stocks | 35.51% | 13.37% | 51.13% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 9.54M | 13.19% | $2.62B |
| Blackrock | 7.58M | 10.31% | $2.50B |
| Blackrock funding, inc. /de | 6.84M | 9.46% | $1.71B |
| State street | 3.29M | 4.56% | $825.55M |
| Artisan partners limited partnership | 2.66M | 3.68% | $666.17M |
| Bank of new york mellon | 2.47M | 3.41% | $618.04M |
| T. rowe price investment management | 2.34M | 3.24% | $586.60M |
| Generation investment management llp | 2.24M | 3.10% | $562.43M |
| Geode capital management | 1.91M | 2.65% | $477.53M |
| Morgan stanley | 1.46M | 2.02% | $365.50M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Alpine peaks capital, lp | 29.88K | 7.55% | $7.49M |
| Seilern investment management | 226.02K | 6.76% | $56.65M |
| Generation investment management llp | 2.24M | 5.04% | $562.43M |
| Longview partners (guernsey) | 1.32M | 4.67% | $329.69M |
| Mccollum christoferson group | 65.61K | 2.89% | $9.63M |
| Iron triangle partners lp | 70.00K | 2.61% | $18.36M |
| Ami asset management | 154.40K | 2.47% | $38.70M |
| North growth management | 62.00K | 2.38% | $15.55M |
| Stonehage fleming financial services | 254.82K | 2.32% | $63.87M |
| Durable capital partners lp | 1.17M | 2.28% | $307.60M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| T. rowe price investment management | 2.34M | 0.40% | 1.17M |
| Fmr | 1.25M | 0.02% | 1.14M |
| Norges bank | 988.74K | 0.03% | 988.74K |
| Jpmorgan chase | 1.04M | 0.02% | 768.46K |
| Generation investment management llp | 2.24M | 5.04% | 682.11K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Franklin resources | 11.66K | 0.00% | -876.60K |
| Brown advisory | 1.34M | 0.55% | -602.73K |
| Massachusetts financial services co /ma/ | - | - | -577.42K |
| Steadfast capital management lp | - | - | -429.91K |
| Two sigma advisers, lp | - | - | -296.50K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 988.74K | 0.03% | 988.74K | $272.04M |
| Capital research global investors | 604.01K | 0.02% | 604.01K | $151.39M |
| Vanguard fiduciary trust | 405.10K | 0.03% | 405.10K | $101.54M |
| Stonehage fleming financial services | 254.82K | 2.32% | 254.82K | $63.87M |
| Vanguard global advisers | 157.74K | 0.02% | 157.74K | $39.54M |
Sold Out
| Holder | Change |
|---|---|
| Cape investment advisory | -1.00 |
| Atticus wealth management | -1.00 |
| Bok financial private wealth | -1.00 |
| Financial gravity asset management | -1.00 |
| Claris advisors, llc / mo / | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 753 | -8.06% | 69,950,466 | 0.70% | 96 | 1.05% | 354 | -6.60% | 265 | -9.25% |
| Dec 31, 2025 | 497 | -35.37% | 33,780,305 | -51.17% | 46 | 0.51% | 216 | -44.90% | 178 | -27.05% |
| Sep 30, 2025 | 471 | -35.66% | 38,068,350 | -43.28% | 52 | 0.61% | 238 | -34.97% | 140 | -45.95% |
| Jun 30, 2025 | 737 | 1.66% | 69,870,190 | 1.62% | 96 | 1.07% | 374 | 2.75% | 255 | -1.54% |
| Mar 31, 2025 | 20 | -97.36% | 3,254,232 | -95.33% | 4 | 0.05% | 11 | -97.20% | 4 | -98.45% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.30M | 3.25% | 5.44K |
| Vanguard US Total Market Shares ETF | 2.31M | 3.19% | 1.67K |
| Vanguard Institutional 500 Index Trust | 2.06M | 2.87% | 15.53K |
| Vanguard 500 Index Investor | 1.87M | 2.64% | 33.14K |
| Vanguard Mid Cap Index Institutional | 1.56M | 2.21% | 3.84K |
| T. Rowe Price US Mid-Cap Growth Equity | 1.06M | 1.50% | 542.30K |
| T. Rowe Price Mid-Cap Growth | 1.06M | 1.47% | 357.80K |
| Vanguard Growth Index Investor | 986.16K | 1.40% | 5.15K |
| Fidelity 500 Index | 918.77K | 1.30% | 3.20K |
| iShares Core S&P 500 ETF | 930.55K | 1.29% | 2.73K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 27, 2026 | Favorite Annette F | Sr. VP & Chief HR Officer | Sell | $859.75K |
| Apr 27, 2026 | Winters Chad | VP, Chief Accounting Officer | Sell | $269.40K |
| Oct 29, 2024 | Witherspoon Charles | VP & Treasurer | Sell | $69.84K |
| Oct 29, 2024 | Witherspoon Charles | VP & Treasurer | Sell | $148.37K |
| Aug 19, 2024 | Witherspoon Charles | VP & Treasurer | Sell | $158.70K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | - |
| 2026 Q3 | - | - |
| 2026 Q2 | - | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
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