Position in TMO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$422,091,975
+$45,009,821 QoQ
Shares Held
841,894
+9.7% QoQ
Ownership
0.228%
of shares outstanding
% of Portfolio
1.11%
of 13F equity value
Holder Rank
#66
of 2,606 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 1%
Shared 99%
None 0%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026FIRST MANHATTAN CO. LLC. holds $938,010,808 across 12 Diagnostics & Research names. TMO ranks #2 (45.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
2,248,424 | $428,279,803 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
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|
841,894 | $422,091,975 | |
| 3 | IQV |
Iqvia Holdings Inc.
|
312,542 | $60,389,365 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
7,150 | $9,134,196 | |
| 5 | A |
Agilent Technologies, Inc.
|
63,046 | $8,374,400 | |
| 6 | WAT |
Waters Corp /De/
|
10,232 | $3,837,409 | |
| 7 | PSNL |
Personalis, Inc.
|
230,600 | $3,090,040 | |
| 8 | ILMN |
Illumina, Inc.
|
9,873 | $1,735,969 |
All Filings in TMO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $422,091,975 | 841,894 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $377,082,154 | 767,160 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $445,544,899 | 768,910 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $375,977,803 | 775,180 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $387,905,203 | 956,704 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $472,004,948 | 948,563 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $463,691,923 | 891,321 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $548,257,148 | 886,330 | Shares | Sole | 2024-11-14 | |
| 2024-03-31 | $530,945,215 | 913,517 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $487,164,900 | 917,811 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $516,515,608 | 1,020,439 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $501,769,583 | 961,705 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $417,778,336 | 724,844 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $359,078,515 | 652,052 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $324,092,888 | 638,997 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $349,584,924 | 643,471 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $372,483,972 | 630,634 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $423,780,805 | 635,125 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $364,454,263 | 637,905 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $320,396,968 | 635,116 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $248,622,588 | 544,771 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $252,848,207 | 542,849 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $244,047,972 | 552,745 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $195,269,011 | 538,911 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $157,753,350 | 556,253 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||