TWO SIGMA INVESTMENTS, LP
Position in WST — West Pharmaceutical Services Inc
CIK 1179392
NEW YORK, NY
Position in WST
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$56,552,153
+$18,049,337 QoQ
Shares Held
225,631
+61.2% QoQ
Ownership
0.319%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
16 quarters on record
Voting authority
Sole 99.98227193958277.ToString("F0")%
Shared 0.ToString("F0")%
None 0.0177280604172299.ToString("F0")%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $999,815,777 across 24 Medical Instruments & Supplies names. WST ranks #3 (5.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
1,405,334 | $647,844,920 | |
| 2 | RMD |
Resmed Inc
|
312,468 | $70,142,816 | |
| 3 | WST |
West Pharmaceutical Services Inc
This page
|
225,631 | $56,552,153 | |
| 4 | MDLN |
Medline Inc.
|
1,138,548 | $50,665,386 | |
| 5 | ALC |
Alcon Inc
|
585,600 | $44,124,960 | |
| 6 | LMAT |
Lemaitre Vascular Inc
|
281,978 | $30,783,538 | |
| 7 | HOLX |
HOLOGIC INC
|
328,504 | $24,831,617 | |
| 8 | ATRC |
AtriCure, Inc.
|
751,003 | $21,426,115 |
All Filings in WST
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $56,552,153 | 225,631 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $38,502,816 | 139,939 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $26,548,058 | 101,201 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $127,793,422 | 584,065 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $117,050,508 | 522,827 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $24,890,629 | 75,988 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $43,439,155 | 144,720 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $27,136,136 | 82,383 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $326,856 | 826 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $9,673,792 | 27,473 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $2,476,386 | 6,600 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $21,377,778 | 55,894 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,286,702 | 6,600 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $77,880,374 | 330,913 | Shares | Sole | 2023-02-14 | |
| 2022-06-30 | $1,438,374 | 4,757 | Shares | Sole | 2022-08-15 | |
| 2021-03-31 | $5,322,260 | 18,888 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||