Conestoga Capital Advisors, LLC
Position in WST — West Pharmaceutical Services Inc
CIK 1163744
WAYNE, PA
Position in WST
as of Mar 31, 2026
· filed Apr 24, 2026
Position Value
$32,826,320
-$958,395 QoQ
Shares Held
130,970
+6.7% QoQ
Ownership
0.185%
of shares outstanding
% of Portfolio
0.66%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 92%
Shared 0%
None 8%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026Conestoga Capital Advisors, LLC holds $651,428,656 across 7 Medical Instruments & Supplies names. WST ranks #6 (5.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LMAT |
Lemaitre Vascular Inc
|
1,476,813 | $161,223,675 | |
| 2 | MMSI |
Merit Medical Systems Inc
|
2,167,513 | $149,406,671 | |
| 3 | RGEN |
Repligen Corp
|
1,097,783 | $129,340,793 | |
| 4 | STVN |
Stevanato Group S.p.A.
|
8,491,751 | $116,761,576 | |
| 5 | AZTA |
Azenta, Inc.
|
2,844,546 | $60,105,256 | |
| 6 | WST |
West Pharmaceutical Services Inc
This page
|
130,970 | $32,826,320 | |
| 7 | BLFS |
Biolife Solutions Inc
|
92,472 | $1,764,365 |
All Filings in WST
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $32,826,320 | 130,970 | Shares | Sole | 2026-04-24 | |
| 2025-12-31 | $33,784,715 | 122,791 | Shares | Sole | 2026-02-02 | |
| 2025-09-30 | $26,438,404 | 100,783 | Shares | Sole | 2025-10-24 | |
| 2025-06-30 | $23,610,051 | 107,907 | Shares | Sole | 2025-07-30 | |
| 2025-03-31 | $16,120,927 | 72,007 | Shares | Sole | 2025-04-17 | |
| 2024-12-31 | $22,007,773 | 67,187 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $12,629,832 | 42,077 | Shares | Sole | 2024-10-28 | |
| 2024-06-30 | $13,774,101 | 41,817 | Shares | Sole | 2024-07-26 | |
| 2024-03-31 | $14,133,969 | 35,718 | Shares | Sole | 2024-04-26 | |
| 2023-12-31 | $19,490,898 | 55,353 | Shares | Sole | 2024-01-26 | |
| 2023-09-30 | $21,159,217 | 56,393 | Shares | Sole | 2023-10-30 | |
| 2023-06-30 | $22,314,064 | 58,342 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $21,331,464 | 61,568 | Shares | Sole | 2023-04-24 | |
| 2022-12-31 | $14,428,837 | 61,308 | Shares | Sole | 2023-02-01 | |
| 2022-09-30 | $14,782,763 | 60,073 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $17,819,571 | 58,933 | Shares | Sole | 2022-07-22 | |
| 2022-03-31 | $29,692,690 | 72,296 | Shares | Sole | 2022-04-25 | |
| 2021-12-31 | $33,749,021 | 71,958 | Shares | Sole | 2022-01-21 | |
| 2021-09-30 | $36,991,443 | 87,133 | Shares | Sole | 2021-10-22 | |
| 2021-06-30 | $36,275,922 | 101,019 | Shares | Sole | 2021-07-27 | |
| 2021-03-31 | $27,561,183 | 97,811 | Shares | Sole | 2021-04-23 | |
| 2020-12-31 | $26,988,677 | 95,262 | Shares | Sole | 2021-01-26 | |
| 2020-09-30 | $24,803,402 | 90,227 | Shares | Sole | 2020-10-23 | |
| 2020-06-30 | $17,766,965 | 78,210 | Shares | Sole | 2020-08-03 | |
| 2020-03-31 | $12,427,406 | 81,625 | Shares | Sole | 2020-04-17 | |
| No filing history on record for this holder in this stock. | ||||||