Position in WAT
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$63,295,875
+$10,276,457 QoQ
Shares Held
168,771
-5.2% QoQ
Ownership
0.172%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#87
of 1,173 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 63%
Shared 0%
None 37%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026RHUMBLINE ADVISERS holds $1,243,802,437 across 31 Diagnostics & Research names. WAT ranks #7 (5.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
593,946 | $297,780,766 | |
| 2 | DHR |
Danaher Corp /De/
|
995,923 | $189,703,413 | |
| 3 | ILMN |
Illumina, Inc.
|
560,716 | $98,590,694 | |
| 4 | IDXX |
Idexx Laboratories Inc /De
|
169,208 | $89,077,859 | |
| 5 | A |
Agilent Technologies, Inc.
|
500,807 | $66,522,193 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
332,138 | $64,175,704 | |
| 7 | WAT |
Waters Corp /De/
This page
|
168,771 | $63,295,875 | |
| 8 | DGX |
Quest Diagnostics Inc
|
267,727 | $56,744,737 |
All Filings in WAT
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24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $63,295,875 | 168,771 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $53,019,418 | 178,037 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $43,750,718 | 115,185 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $39,813,268 | 132,795 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $43,685,497 | 125,159 | Shares | Sole | 2025-08-12 | |
| 2024-09-30 | $43,031,687 | 119,569 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $34,759,567 | 119,811 | Shares | Sole | 2024-08-01 | |
| 2024-03-31 | $43,220,141 | 125,556 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $41,393,100 | 125,727 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $48,794,572 | 177,946 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $46,228,697 | 173,440 | Shares | Sole | 2023-08-08 | |
| 2023-03-31 | $53,493,536 | 172,766 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $56,701,100 | 165,512 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $43,727,199 | 162,235 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $53,738,243 | 162,361 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $50,437,443 | 162,497 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $58,798,515 | 157,806 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $55,292,889 | 154,752 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $52,025,018 | 150,531 | Shares | Sole | 2021-08-05 | |
| 2021-03-31 | $45,550,177 | 160,292 | Shares | Sole | 2021-05-06 | |
| 2020-12-31 | $41,884,742 | 169,286 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $33,923,671 | 173,363 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $31,388,337 | 173,993 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $33,588,042 | 184,499 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||