STATE OF WISCONSIN INVESTMENT BOARD
Position in WST — West Pharmaceutical Services Inc
CIK 854157
MADISON, WI
Position in WST
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$15,588,857
+$5,932,450 QoQ
Shares Held
43,423
+12.7% QoQ
Ownership
0.062%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#135
of 827 holders
Holding Since
Mar 2020
26 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, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $230,660,619 across 24 Medical Instruments & Supplies names. WST ranks #3 (6.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
195,875 | $77,895,570 | |
| 2 | BDX |
Becton Dickinson & Co
|
151,780 | $22,968,867 | |
| 3 | WST |
West Pharmaceutical Services Inc
This page
|
43,423 | $15,588,857 | |
| 4 | RMD |
Resmed Inc
|
77,592 | $15,121,128 | |
| 5 | COO |
Cooper Companies, Inc.
|
196,490 | $14,090,297 | |
| 6 | ATR |
Aptargroup, Inc.
|
88,615 | $11,094,598 | |
| 7 | ALC |
Alcon Inc
|
157,054 | $10,538,323 | |
| 8 | MDLN |
Medline Inc.
|
188,473 | $7,433,375 |
All Filings in WST
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $15,588,857 | 43,423 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $9,656,407 | 38,527 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $13,651,346 | 49,616 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $9,941,782 | 37,898 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $10,464,110 | 47,825 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $9,668,929 | 43,188 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $14,858,449 | 45,361 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $12,344,680 | 41,127 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $14,828,808 | 45,019 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $24,343,287 | 61,518 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $21,881,088 | 62,141 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $24,472,321 | 65,223 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $26,400,374 | 69,026 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $20,669,707 | 59,658 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $15,772,921 | 67,019 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $14,396,418 | 58,503 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $21,696,559 | 71,755 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $31,234,495 | 76,050 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $26,557,691 | 56,625 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $19,569,595 | 46,096 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $15,613,668 | 43,480 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $13,533,611 | 48,029 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $15,339,253 | 54,143 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $14,287,377 | 51,973 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $8,789,888 | 38,693 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $5,961,044 | 39,153 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||