Position in WAT
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$1,276,073
+$1,101,732 QoQ
Shares Held
4,285
+833.6% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
13 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, 2026OSTRUM ASSET MANAGEMENT holds $40,654,748 across 11 Diagnostics & Research names. WAT ranks #5 (3.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ILMN |
Illumina, Inc.
|
230,270 | $28,383,080 | |
| 2 | DGX |
Quest Diagnostics Inc
|
17,402 | $3,410,443 | |
| 3 | A |
Agilent Technologies, Inc.
|
22,864 | $2,606,038 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
1,541 | $1,943,509 | |
| 5 | WAT |
Waters Corp /De/
This page
|
4,285 | $1,276,073 | |
| 6 | IDXX |
Idexx Laboratories Inc /De
|
2,041 | $1,146,817 | |
| 7 | DHR |
Danaher Corp /De/
|
3,698 | $701,140 | |
| 8 | NTRA |
Natera, Inc.
|
1,578 | $315,584 |
All Filings in WAT
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,276,073 | 4,285 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $174,341 | 459 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $183,783 | 613 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $220,942 | 633 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $239,939 | 651 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $247,814 | 668 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $752,170 | 2,090 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $599,097 | 2,065 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $1,306,008 | 3,794 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $1,249,098 | 3,794 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $1,469,217 | 5,358 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $775,364 | 2,909 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $900,404 | 2,908 | Shares | Defined | 2023-05-12 | |
| No filing history on record for this holder in this stock. | ||||||