GW&K Investment Management, LLC
Position in WST — West Pharmaceutical Services Inc
CIK 1082917
BOSTON, MA
Position in WST
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$14,310,817
+$4,108,767 QoQ
Shares Held
39,863
-2.1% QoQ
Ownership
0.057%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#143
of 830 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 99%
Shared 1%
None 0%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026GW&K Investment Management, LLC holds $66,553,899 across 17 Medical Instruments & Supplies names. WST ranks #3 (21.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATRC |
AtriCure, Inc.
|
949,516 | $26,567,457 | |
| 2 | AZTA |
Azenta, Inc.
|
988,429 | $25,224,707 | |
| 3 | WST |
West Pharmaceutical Services Inc
This page
|
39,863 | $14,310,817 | |
| 4 | MDLN |
Medline Inc.
|
2,028 | $79,984 | |
| 5 | ISRG |
Intuitive Surgical Inc
|
156 | $62,038 | |
| 6 | STVN |
Stevanato Group S.p.A.
|
2,788 | $50,379 | |
| 7 | ICUI |
Icu Medical Inc/De
|
313 | $45,885 | |
| 8 | BDX |
Becton Dickinson & Co
|
215 | $32,535 |
All Filings in WST
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,310,817 | 39,863 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $10,202,050 | 40,704 | Shares | Other | 2026-05-13 | |
| 2025-12-31 | $11,402,076 | 41,441 | Shares | Other | 2026-02-11 | |
| 2025-09-30 | $226,652 | 864 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $189,698 | 867 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $193,207 | 863 | Shares | Sole | 2025-05-05 | |
| 2024-12-31 | $286,614 | 875 | Shares | Sole | 2025-02-05 | |
| 2024-09-30 | $1,004,635 | 3,347 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $11,072,114 | 33,614 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $13,551,088 | 34,245 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $11,953,417 | 33,947 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $17,397,736 | 46,368 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $19,627,977 | 51,319 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $29,981,087 | 86,533 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $20,100,301 | 85,406 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $11,467,328 | 46,600 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $1,812,103 | 5,993 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $2,439,616 | 5,940 | Shares | Sole | 2022-05-09 | |
| 2021-12-31 | $1,141,570 | 2,434 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,048,189 | 2,469 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $885,180 | 2,465 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $714,029 | 2,534 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $337,138 | 1,190 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $25,059,058 | 91,157 | Shares | Sole | 2020-11-10 | |
| 2020-06-30 | $57,068,965 | 251,217 | Shares | Sole | 2020-08-06 | |
| 2020-03-31 | $53,480,400 | 351,267 | Shares | Sole | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||