Position in WAT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$32,135,598
+$1,212,499 QoQ
Shares Held
107,910
+32.5% QoQ
Ownership
0.110%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
12 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Woodline Partners LP holds $612,440,272 across 13 Diagnostics & Research names. WAT ranks #6 (5.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
337,819 | $166,048,173 | |
| 2 | LH |
Labcorp Holdings Inc.
|
446,741 | $119,194,966 | |
| 3 | DGX |
Quest Diagnostics Inc
|
593,744 | $116,361,949 | |
| 4 | DHR |
Danaher Corp /De/
|
549,846 | $104,250,801 | |
| 5 | ILMN |
Illumina, Inc.
|
262,609 | $32,369,185 | |
| 6 | WAT |
Waters Corp /De/
This page
|
107,910 | $32,135,598 | |
| 7 | SHC |
Sotera Health Co
|
1,730,807 | $24,819,772 | |
| 8 | QGEN |
Qiagen N.V.
|
185,018 | $7,408,120 |
All Filings in WAT
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $32,135,598 | 107,910 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $30,923,099 | 81,413 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $34,617,561 | 115,465 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $21,434,895 | 61,411 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $27,849,517 | 75,561 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $41,543,082 | 111,982 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $57,078,554 | 158,600 | Shares | Sole | 2024-11-14 | |
| 2023-09-30 | $24,028,199 | 87,627 | Shares | Sole | 2023-11-14 | |
| 2022-12-31 | $11,991,327 | 35,003 | Shares | Sole | 2023-02-14 | |
| 2021-06-30 | $16,083,998 | 46,538 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $28,753,173 | 101,183 | Shares | Sole | 2021-05-17 | |
| 2020-03-31 | $1,362,280 | 7,483 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||