Position in WAT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$11,841,421
-$4,570,273 QoQ
Shares Held
39,763
-8.0% QoQ
Ownership
0.040%
of shares outstanding
% of Portfolio
1.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
20 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026PFM Health Sciences, LP holds $66,789,392 across 8 Diagnostics & Research names. WAT ranks #3 (17.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NEO |
Neogenomics Inc
|
1,784,552 | $13,241,375 | |
| 2 | NTRA |
Natera, Inc.
|
60,004 | $12,000,199 | |
| 3 | WAT |
Waters Corp /De/
This page
|
39,763 | $11,841,421 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
14,832 | $7,290,372 | |
| 5 | BLLN |
BillionToOne, Inc.
|
88,069 | $6,952,166 | |
| 6 | ICLR |
Icon PLC
|
57,500 | $6,362,950 | |
| 7 | PSNL |
Personalis, Inc.
|
870,097 | $5,542,517 | |
| 8 | ILMN |
Illumina, Inc.
|
28,869 | $3,558,392 |
All Filings in WAT
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,841,421 | 39,763 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $16,411,694 | 43,208 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $9,219,457 | 30,751 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $15,039,784 | 43,089 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $19,113,303 | 51,858 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $21,907,481 | 59,053 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $18,377,063 | 51,063 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $5,959,354 | 20,541 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $13,240,462 | 38,464 | Shares | Defined | 2024-05-14 | |
| 2023-06-30 | $25,221,080 | 94,624 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $29,298,429 | 94,624 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $32,416,289 | 94,624 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $31,705,892 | 117,634 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $38,934,501 | 117,634 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $36,512,417 | 117,634 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $43,830,428 | 117,634 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $42,030,628 | 117,634 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $40,655,486 | 117,634 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $32,136,501 | 113,089 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $23,380,447 | 94,497 | Shares | Defined | 2021-02-19 | |
| No filing history on record for this holder in this stock. | ||||||