Position in TMO
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$324,536,613
-$311,096,278 QoQ
Shares Held
660,258
-39.8% QoQ
Ownership
0.178%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 91.17360183443441.ToString("F0")%
None 8.826398165565582.ToString("F0")%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026JANUS HENDERSON GROUP PLC holds $3,338,997,624 across 30 Diagnostics & Research names. TMO ranks #4 (9.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
6,489,965 | $1,230,497,361 | |
| 2 | RVTY |
Revvity, Inc.
|
8,348,127 | $731,379,403 | |
| 3 | WAT |
Waters Corp /De/
|
1,638,772 | $488,026,298 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
This page
|
660,258 | $324,536,613 | |
| 5 | ILMN |
Illumina, Inc.
|
2,100,638 | $258,924,637 | |
| 6 | SHC |
Sotera Health Co
|
9,162,191 | $131,385,818 | |
| 7 | MEDP |
Medpace Holdings, Inc.
|
124,954 | $60,001,660 | |
| 8 | LH |
Labcorp Holdings Inc.
|
128,871 | $34,384,071 |
All Filings in TMO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $324,536,613 | 660,258 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $635,632,891 | 1,096,959 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $600,387,826 | 1,237,862 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $489,759,187 | 1,207,910 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $547,496,341 | 1,100,274 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $544,613,698 | 1,046,871 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $590,241,348 | 954,203 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $544,184,074 | 984,058 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $768,977,445 | 1,323,063 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $715,311,710 | 1,347,636 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $765,754,220 | 1,512,840 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $773,177,672 | 1,481,893 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $854,787,256 | 1,483,053 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $850,197,071 | 1,543,876 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $785,042,882 | 1,547,828 | Shares | Defined | 2023-01-13 | |
| 2022-06-30 | $909,928,262 | 1,674,879 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $995,037,339 | 1,684,648 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $1,226,988,970 | 1,838,902 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $1,065,496,170 | 1,864,940 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 | $949,966,952 | 1,883,099 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $978,745,702 | 2,144,585 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $1,033,881,153 | 2,219,677 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $1,144,196,430 | 2,591,494 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $965,472,684 | 2,664,549 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $716,497,533 | 2,526,437 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||