West Pharmaceutical Services Ownership | Who Owns West Pharmaceutical Services?
West Pharmaceutical Services Ownership Summary
West Pharmaceutical Services is owned by 97.94% institutional investors, 0.64% insiders, and 1.42% retail investors. Vanguard group is the largest institutional shareholder, holding 13.19% of WST shares. Vanguard MStar Total Stk Mkt Idx Invest is the top mutual fund, with 3.20% of its assets in West Pharmaceutical Services shares.
WST Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | West Pharmaceutical Services | 97.94% | 0.64% | 1.42% |
| Sector | Healthcare Stocks | 245.07% | 12.10% | -157.17% |
| Industry | Medical Instruments & Supplies Stocks | 63.80% | 11.77% | 24.43% |
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 | 6.65M | 9.24% | $2.39B |
| Vanguard capital management | 4.61M | 6.41% | $1.66B |
| Fmr | 3.57M | 4.96% | $1.28B |
| State street | 3.35M | 4.65% | $1.20B |
| Artisan partners limited partnership | 2.41M | 3.35% | $865.83M |
| Bank of new york mellon | 2.04M | 2.84% | $733.73M |
| Generation investment management llp | 2.03M | 2.82% | $728.17M |
| Geode capital management | 1.90M | 2.64% | $680.55M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Alpine peaks capital, lp | 19.19K | 8.07% | $6.89M |
| Generation investment management llp | 2.03M | 7.08% | $728.17M |
| Seilern investment management | 138.23K | 6.25% | $49.62M |
| Longview partners (guernsey) | 1.03M | 6.03% | $371.14M |
| Stonehage fleming financial services | 340.26K | 4.17% | $122.15M |
| Mccollum christoferson group | 64.18K | 3.89% | $13.26M |
| Ami asset management | 146.76K | 3.03% | $52.69M |
| Findlay park partners llp | 596.65K | 2.89% | $214.20M |
| North growth management | 62.00K | 2.88% | $22.43M |
| Iron triangle partners lp | 70.00K | 2.61% | $18.36M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 3.57M | 0.06% | 2.33M |
| Norges bank | 862.91K | 0.03% | 862.91K |
| Sixth street partners management company | 583.98K | 0.03% | 583.98K |
| William blair investment management | 417.31K | 0.45% | 377.58K |
| Org wealth partners | 241.25K | 0.13% | 241.24K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Apg asset management | 560.58K | 0.43% | -706.70K |
| Massachusetts financial services co /ma/ | - | - | -577.42K |
| T. rowe price investment management | 1.81M | 0.42% | -535.38K |
| Steadfast capital management lp | - | - | -429.91K |
| Bank of new york mellon | 2.04M | 0.12% | -422.04K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 862.91K | 0.03% | 862.91K | $309.79M |
| Sixth street partners management company | 583.98K | 0.03% | 583.98K | $209.65M |
| Lord, abbett | 181.38K | 0.19% | 181.38K | $65.12M |
| Boston trust walden | 81.23K | 0.22% | 81.23K | $29.16M |
| Orbimed advisors | 70.60K | 0.47% | 70.60K | $25.35M |
Sold Out
| Holder | Change |
|---|---|
| Sound income strategies | -1.00 |
| Rakuten securities | -1.00 |
| Atticus wealth management | -1.00 |
| Financial gravity asset management | -1.00 |
| Atlantic union bankshares | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 842 | 9.64% | 70,514,585 | -0.81% | 97 | 1.01% | 447 | 25.21% | 258 | -6.86% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.25M | 3.20% | 6.37K |
| Vanguard US Total Market Shares ETF | 2.31M | 3.19% | 1.67K |
| Vanguard Morn Total Stk Mkt Idx Investor | 2.24M | 3.19% | -49.39K |
| Vanguard Total Stock Mkt Idx Inv | 2.24M | 3.18% | -49.39K |
| Vanguard Institutional 500 Index Trust | 2.06M | 2.87% | 15.53K |
| Vanguard 500 Index Investor | 1.85M | 2.64% | 19.65K |
| Vanguard Morn Mid Cap Index Instl | 1.53M | 2.18% | -31.56K |
| Vanguard MStar Mid Cap Index Instl | 1.53M | 2.17% | -2.01K |
| Vanguard Mid Cap Index Institutional | 1.53M | 2.17% | -31.56K |
| iShares Core S&P 500 ETF | 953.17K | 1.35% | 1.52K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 11, 2026 | Favorite Annette F | Sr. VP & Chief HR Officer | Sell | $862.50K |
| Sep 15, 2026 | Favorite Annette F | Sr. VP & Chief HR Officer | Sell | $921.26K |
| Sep 14, 2026 | Favorite Annette F | Sr. VP & Chief HR Officer | Sell | $887.50K |
| Sep 08, 2026 | Favorite Annette F | Sr. VP & Chief HR Officer | Sell | $852.02K |
| Apr 27, 2026 | Favorite Annette F | Sr. VP & Chief HR Officer | Sell | $859.75K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | - |
| 2026 Q3 | - | - |
| 2026 Q2 | - | - |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
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