3 tracked superinvestors hold WEST PHARMACEUTICAL SVSC INC (WST), worth $482M combined, led by Brian Berghuis. Smart money is accumulating WST as of the latest 13F filings.
Current price
$357.66
+54.8%
1Y
West Pharmaceutical Services, Inc. designs, manufactures, and sells containment and delivery systems for injectable drugs and healthcare products in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It operates in two segments, Proprietary Products and Contract-Manufactured Products. The Proprietary Products segment offers stoppers and seals for injectable packaging systems;…
Market cap
$21.2B
P/E
40.25
Div yield
0.2%
Revenue YoY
6.3%
Analyst target
$359
Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.
Superinvestors holding
3
tracked 13F / N-PORT funds
Combined value
$482M
disclosed long exposure
Tier-1 conviction
2
concentrated holders
Net this quarter
+2
2 buying · 0 selling
Smart money is net accumulating WST: 2 funds added or opened versus 0 trimming.
WEST PHARMACEUTICAL SVSC INC (WST) is held by 3 tracked funds worth $482M combined, 2 of them concentrated Tier-1 managers whose positions carry real conviction.
The largest position belongs to Brian Berghuis at 1.4% of their book — no single tracked manager treats it as an outsized, top-weighted bet.
No tracked fund opened a new position this quarter; 2 added and 0 trimmed, a net add.
| Investor | Move | % of their portfolio | Position value |
|---|---|---|---|
| Added | 1.4% | $266M | |
| Held | 0.4% | $111M | |
| Added | 0.3% | $105M |
Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.
Which superinvestors own WST?
3 tracked funds hold WEST PHARMACEUTICAL SVSC INC (WST), the largest being Brian Berghuis (T. Rowe Price Mid-Cap Growth) at 1.4% of its 13F portfolio. 2 of them are concentrated Tier-1 conviction managers.
Is smart money buying or selling WST?
In the most recent 13F quarter, 2 tracked funds added or opened WST and 0 trimmed it.
How much WST do tracked funds hold?
Combined disclosed long exposure to WST across tracked superinvestors is $482M as of the Mar 2026 filings.
Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Mar 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.