Position in WAT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$14,494,170
+$2,925,534 QoQ
Shares Held
38,647
-0.5% QoQ
Ownership
0.039%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#169
of 1,177 holders
Holding Since
Dec 2020
23 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026PRIMECAP MANAGEMENT CO/CA/ holds $2,473,876,903 across 9 Diagnostics & Research names. WAT ranks #8 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
1,982,271 | $993,831,388 | |
| 2 | ILMN |
Illumina, Inc.
|
3,514,649 | $617,980,733 | |
| 3 | DHR |
Danaher Corp /De/
|
1,889,070 | $359,830,053 | |
| 4 | A |
Agilent Technologies, Inc.
|
1,327,396 | $176,318,010 | |
| 5 | GRAL |
GRAIL, Inc.
|
2,180,106 | $148,835,836 | |
| 6 | RVTY |
Revvity, Inc.
|
853,150 | $94,921,469 | |
| 7 | CRL |
Charles River Laboratories International, Inc.
|
266,870 | $60,523,447 | |
| 8 | WAT |
Waters Corp /De/
This page
|
38,647 | $14,494,170 |
All Filings in WAT
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $14,494,170 | 38,647 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $11,568,636 | 38,847 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $14,831,222 | 39,047 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $14,560,872 | 48,567 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $17,119,364 | 49,047 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $25,394,841 | 68,901 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $25,612,830 | 69,041 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $35,434,409 | 98,459 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $28,680,973 | 98,859 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $31,723,892 | 92,159 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $30,374,430 | 92,259 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $26,779,074 | 97,659 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $23,467,247 | 88,044 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $24,102,837 | 77,844 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $17,366,750 | 50,694 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $13,798,318 | 51,194 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $17,010,386 | 51,394 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $16,014,261 | 51,594 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $17,102,340 | 45,900 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $16,507,260 | 46,200 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $14,169,318 | 40,998 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $11,650,401 | 40,998 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $9,351,238 | 37,795 | Shares | Sole | 2021-02-08 | |
| No filing history on record for this holder in this stock. | ||||||