Position in WST
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$50,065,340
-$22,348,481 QoQ
Shares Held
199,750
-24.1% QoQ
Ownership
0.283%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0%
Shared 90%
None 10%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026BAMCO INC /NY/ holds $227,051,207 across 6 Medical Instruments & Supplies names. WST ranks #2 (22.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RGEN |
Repligen Corp
|
548,346 | $64,606,125 | |
| 2 | WST |
West Pharmaceutical Services Inc
This page
|
199,750 | $50,065,340 | |
| 3 | ISRG |
Intuitive Surgical Inc
|
97,297 | $44,852,944 | |
| 4 | STVN |
Stevanato Group S.p.A.
|
2,500,438 | $34,381,022 | |
| 5 | COO |
Cooper Companies, Inc.
|
454,864 | $32,522,776 | |
| 6 | MDLN |
Medline Inc.
|
14,000 | $623,000 |
All Filings in WST
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $50,065,340 | 199,750 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $72,413,821 | 263,189 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $78,943,229 | 300,931 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $67,313,163 | 307,647 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $93,167,214 | 416,148 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $142,200,674 | 434,121 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $145,230,014 | 483,842 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $251,379,907 | 763,168 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $352,951,555 | 891,945 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $351,352,730 | 997,821 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $394,039,163 | 1,050,183 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $405,634,678 | 1,060,566 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $369,030,394 | 1,065,115 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $253,107,863 | 1,075,453 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $285,256,920 | 1,159,204 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $354,243,690 | 1,171,557 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $481,215,353 | 1,171,667 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $552,269,124 | 1,177,521 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $532,415,189 | 1,254,099 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $454,018,389 | 1,264,323 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $356,666,134 | 1,265,761 | Shares | Defined | 2021-05-19 | |
| 2020-12-31 | $378,238,115 | 1,335,068 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $395,599,793 | 1,439,068 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $327,214,759 | 1,440,396 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $219,604,334 | 1,442,393 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||