Position in WAT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$241,612,879
+$138,024,883 QoQ
Shares Held
811,326
+197.5% QoQ
Ownership
0.826%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
20 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 89.3295666600109.ToString("F0")%
None 10.670433339989104.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $8,226,619,826 across 24 Diagnostics & Research names. WAT ranks #10 (2.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
14,774,524 | $2,801,249,746 | |
| 2 | NTRA |
Natera, Inc.
|
4,768,593 | $953,670,911 | |
| 3 | A |
Agilent Technologies, Inc.
|
7,256,433 | $827,088,230 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
1,478,251 | $726,604,711 | |
| 5 | ICLR |
Icon PLC
|
5,913,037 | $654,336,671 | |
| 6 | QGEN |
Qiagen N.V.
|
14,364,303 | $575,146,689 | |
| 7 | IDXX |
Idexx Laboratories Inc /De
|
735,475 | $413,256,044 | |
| 8 | CRL |
Charles River Laboratories International, Inc.
|
1,629,401 | $281,071,670 |
All Filings in WAT
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $241,612,879 | 811,326 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $103,587,996 | 272,722 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $108,990,528 | 363,532 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $160,156,303 | 458,848 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $211,125,370 | 572,823 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $109,954,760 | 296,390 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $97,588,491 | 271,162 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $85,051,289 | 293,159 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $348,653,354 | 1,012,850 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $267,375,583 | 812,124 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $288,346,621 | 1,051,554 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $284,161,224 | 1,066,111 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $339,026,580 | 1,094,941 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $377,374,477 | 1,101,566 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $356,940,192 | 1,324,306 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $469,492,147 | 1,418,491 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $467,010,306 | 1,504,592 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $312,142,294 | 837,741 | Shares | Defined | 2022-02-11 | |
| 2020-09-30 | $9,376,789 | 47,919 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $8,969,306 | 49,719 | Shares | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||