Birch Hill Investment Advisors LLC
Position in WST — West Pharmaceutical Services Inc
CIK 1424177
Boston, MA
Position in WST
as of Jun 30, 2026
· filed Jul 21, 2026
Position Value
$57,330,864
+$16,937,973 QoQ
Shares Held
159,696
-0.9% QoQ
Ownership
0.227%
of shares outstanding
% of Portfolio
2.55%
of 13F equity value
Holder Rank
#72
of 831 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026Birch Hill Investment Advisors LLC holds $79,111,554 across 3 Medical Instruments & Supplies names. WST ranks #1 (72.5% of the industry book) .
All Filings in WST
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5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $57,330,864 | 159,696 | Shares | Sole | 2026-07-21 | |
| 2026-03-31 | $40,392,891 | 161,159 | Shares | Sole | 2026-04-29 | |
| 2025-12-31 | $41,862,000 | 152,148 | Shares | Sole | 2026-01-27 | |
| 2025-09-30 | $35,800,175 | 136,470 | Shares | Sole | 2025-10-23 | |
| 2025-06-30 | $15,935,641 | 72,832 | Shares | Sole | 2025-07-30 | |
| No filing history on record for this holder in this stock. | ||||||