Position in WST
as of Mar 31, 2026
· filed Apr 27, 2026
Position Value
$165,443,453
+$3,978,370 QoQ
Shares Held
660,084
+12.5% QoQ
Ownership
0.934%
of shares outstanding
% of Portfolio
0.36%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026ProShare Advisors LLC holds $613,347,184 across 19 Medical Instruments & Supplies names. WST ranks #2 (27.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
504,574 | $232,603,568 | |
| 2 | WST |
West Pharmaceutical Services Inc
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|
660,084 | $165,443,453 | |
| 3 | BDX |
Becton Dickinson & Co
|
1,044,249 | $164,187,270 | |
| 4 | ATR |
Aptargroup, Inc.
|
206,764 | $26,056,399 | |
| 5 | LMAT |
Lemaitre Vascular Inc
|
60,978 | $6,656,968 | |
| 6 | RMD |
Resmed Inc
|
27,831 | $6,247,502 | |
| 7 | HOLX |
HOLOGIC INC
|
39,277 | $2,968,948 | |
| 8 | COO |
Cooper Companies, Inc.
|
30,414 | $2,174,601 |
All Filings in WST
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $165,443,453 | 660,084 | Shares | Sole | 2026-04-27 | |
| 2025-12-31 | $161,465,083 | 586,847 | Shares | Sole | 2026-02-06 | |
| 2025-09-30 | $160,708,604 | 612,620 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $161,554,918 | 738,368 | Shares | Sole | 2025-08-07 | |
| 2025-03-31 | $112,633,132 | 503,096 | Shares | Sole | 2025-05-08 | |
| 2024-12-31 | $189,319,198 | 577,968 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $333,644,648 | 1,111,556 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $153,761,228 | 466,806 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $198,116,960 | 500,662 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $154,726,809 | 439,415 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $183,389,515 | 488,765 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $183,920,643 | 480,876 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $233,569,285 | 674,140 | Shares | Sole | 2023-05-26 | |
| 2022-12-31 | $165,135,681 | 701,660 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $127,764,982 | 519,201 | Shares | Sole | 2022-11-07 | |
| 2022-06-30 | $148,259,570 | 490,325 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $173,793,990 | 423,155 | Shares | Sole | 2022-05-10 | |
| 2021-12-31 | $172,738,259 | 368,304 | Shares | Sole | 2022-02-08 | |
| 2021-09-30 | $163,804,938 | 385,841 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $150,981,440 | 420,444 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $109,527,604 | 388,699 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $4,383,372 | 15,472 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $3,911,002 | 14,227 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $3,434,810 | 15,120 | Shares | Sole | 2020-08-03 | |
| 2020-03-31 | $14,581,134 | 95,771 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||