AMERICAN CENTURY COMPANIES INC
Position in TMO — Thermo Fisher Scientific Inc.
CIK 748054
KANSAS CITY, MO
Position in TMO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$203,687,574
-$12,137,849 QoQ
Shares Held
414,395
+11.3% QoQ
Ownership
0.112%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority
Sole 76.45048806090807.ToString("F0")%
Shared 23.54951193909193.ToString("F0")%
None 0.ToString("F0")%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026AMERICAN CENTURY COMPANIES INC holds $1,714,954,358 across 27 Diagnostics & Research names. TMO ranks #4 (11.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IDXX |
Idexx Laboratories Inc /De
|
599,931 | $337,095,229 | |
| 2 | DHR |
Danaher Corp /De/
|
1,326,812 | $251,563,555 | |
| 3 | LH |
Labcorp Holdings Inc.
|
810,805 | $216,330,882 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
This page
|
414,395 | $203,687,574 | |
| 5 | DGX |
Quest Diagnostics Inc
|
867,331 | $169,979,529 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
961,429 | $163,962,101 | |
| 7 | NTRA |
Natera, Inc.
|
496,904 | $99,375,830 | |
| 8 | GH |
Guardant Health, Inc.
|
867,537 | $80,134,392 |
All Filings in TMO
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $203,687,574 | 414,395 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $215,825,423 | 372,466 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $132,708,747 | 273,615 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $41,651,689 | 102,727 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $51,639,932 | 103,778 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $57,124,375 | 109,806 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $71,789,378 | 116,057 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $69,841,688 | 126,296 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $77,021,367 | 132,519 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $79,923,704 | 150,575 | Shares | Defined | 2024-02-13 | |
| 2023-06-30 | $68,449,426 | 131,192 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $71,001,291 | 123,187 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $74,424,652 | 135,148 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $89,633,659 | 176,726 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $58,661,744 | 107,977 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $55,978,853 | 94,775 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $63,133,581 | 94,619 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $59,736,550 | 104,557 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $50,366,789 | 99,841 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $61,531,889 | 134,826 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $42,716,218 | 91,709 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $38,576,485 | 87,372 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $16,163,625 | 44,609 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $486,657 | 1,716 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||