Position in WAT
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$63,559,528
-$6,533,955 QoQ
Shares Held
169,474
-28.0% QoQ
Ownership
0.172%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#85
of 1,179 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 98%
Shared 2%
None 0%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026AMERICAN CENTURY COMPANIES INC holds $1,649,338,465 across 26 Diagnostics & Research names. WAT ranks #9 (3.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IDXX |
Idexx Laboratories Inc /De
|
808,358 | $425,551,985 | |
| 2 | LH |
Labcorp Holdings Inc.
|
845,023 | $236,606,440 | |
| 3 | IQV |
Iqvia Holdings Inc.
|
1,059,526 | $204,721,613 | |
| 4 | DGX |
Quest Diagnostics Inc
|
818,220 | $173,421,729 | |
| 5 | NTRA |
Natera, Inc.
|
478,732 | $129,951,801 | |
| 6 | RDNT |
RadNet, Inc.
|
1,618,424 | $99,808,208 | |
| 7 | DHR |
Danaher Corp /De/
|
492,315 | $93,776,161 | |
| 8 | GH |
Guardant Health, Inc.
|
608,695 | $91,322,510 |
All Filings in WAT
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $63,559,528 | 169,474 | Shares | Defined | 2026-08-12 | |
| 2026-03-31 | $70,093,483 | 235,371 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $7,719,285 | 20,323 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $5,847,794 | 19,505 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $83,251,624 | 238,516 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $123,572,306 | 335,275 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $123,383,125 | 332,587 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $120,027,633 | 333,512 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $93,989,015 | 323,966 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $110,430,016 | 320,803 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $106,808,138 | 324,418 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $228,388,137 | 832,895 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $165,292,382 | 620,141 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $184,076,892 | 594,506 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $185,439,239 | 541,302 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $143,887,781 | 533,847 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $37,729,403 | 113,993 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $2,165,591 | 6,977 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $2,359,303 | 6,332 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $1,936,566 | 5,420 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $1,631,279 | 4,720 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $10,656,943 | 37,502 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $628,199 | 2,539 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $443,215 | 2,265 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $366,031 | 2,029 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $303,841 | 1,669 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||