WST

West Pharmaceutical Services

Latest period2026 - Q1Total superinvestors753

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2025-Q4 and 2026-Q1. According to the most recent SEC 13F filing, 753 superinvestors own shares of West Pharmaceutical Services (WST), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding West Pharmaceutical Services (WST), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with West Pharmaceutical Services (WST) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with West Pharmaceutical Services (WST) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Spencer Fleming@Blackrock, Inc.
Recent Activity
Increased 3.6%
0.03%
$1.714B
6.837M shares@ 250.65 avg price
Christine M. Buchanan@Vanguard Capital Management Llc
Recent Activity
New Position
0.03%
$1.174B
4.683M shares@ 250.64 avg price
Christine M. Buchanan@Vanguard Portfolio Management Llc
Recent Activity
New Position
0.06%
$1.026B
4.094M shares@ 250.65 avg price
ELIZABETH SCHAEFER@State Street Corp
Recent Activity
Increased 1.29%
0.03%
$825.553M
3.294M shares@ 250.65 avg price
Gregory K. Ramirez@Artisan Partners Limited Partnership
Recent Activity
Decreased -6.75%
1.07%
$666.174M
2.658M shares@ 250.64 avg price
Andrew Weiser@Bank Of New York Mellon Corp
Recent Activity
Decreased -7.36%
0.12%
$618.043M
2.466M shares@ 250.65 avg price
Ellen York@T. Rowe Price Investment Management, Inc.
Recent Activity
Increased 18.95%
0.41%
$586.599M
2.34M shares@ 250.65 avg price
Alexander Marshall@Generation Investment Management Llp
Recent Activity
Increased 43.68%
5.05%
$562.43M
2.244M shares@ 250.65 avg price
Laura Doherty@Geode Capital Management, Llc
Recent Activity
Increased 2.33%
0.03%
$477.525M
1.912M shares@ 249.7 avg price
Claire Gordon@Morgan Stanley
Recent Activity
Decreased -4.8%
0.03%
$365.505M
1.458M shares@ 250.65 avg price

1-10 of 753