Clearbridge Investments, LLC
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1348883
NEW YORK, NY
Position in TMO
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$791,705,896
-$287,650,684 QoQ
Shares Held
1,610,697
-13.5% QoQ
Ownership
0.433%
of shares outstanding
% of Portfolio
0.70%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 97.89029090529809.ToString("F0")%
Shared 0.ToString("F0")%
None 2.109709094701918.ToString("F0")%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Clearbridge Investments, LLC holds $1,608,900,905 across 9 Diagnostics & Research names. TMO ranks #1 (49.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
This page
|
1,610,697 | $791,705,896 | |
| 2 | NTRA |
Natera, Inc.
|
893,322 | $178,655,466 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
308,477 | $173,330,141 | |
| 4 | WAT |
Waters Corp /De/
|
478,271 | $142,429,103 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
632,624 | $109,127,640 | |
| 6 | MEDP |
Medpace Holdings, Inc.
|
175,966 | $84,497,113 | |
| 7 | RDNT |
RadNet, Inc.
|
1,278,540 | $71,457,600 | |
| 8 | DHR |
Danaher Corp /De/
|
264,855 | $50,216,508 |
All Filings in TMO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $791,705,896 | 1,610,697 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $1,079,356,580 | 1,862,726 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $954,290,430 | 1,967,528 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $576,134,737 | 1,420,941 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $827,441,624 | 1,662,865 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $963,044,053 | 1,851,189 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $1,295,027,636 | 2,093,583 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,160,239,346 | 2,098,082 | Shares | Sole | 2024-08-27 | |
| 2024-03-31 | $1,300,036,578 | 2,236,776 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $1,182,987,596 | 2,228,730 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $847,852,465 | 1,675,035 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $847,281,303 | 1,623,922 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,026,339,177 | 1,780,695 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,142,286,354 | 2,074,282 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $1,338,199,005 | 2,638,457 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,492,097,875 | 2,746,462 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $1,638,189,038 | 2,773,536 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $1,870,617,348 | 2,803,515 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,651,332,810 | 2,890,331 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $1,491,488,256 | 2,956,545 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $1,338,042,723 | 2,931,861 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $1,450,815,270 | 3,114,808 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $1,437,218,684 | 3,255,161 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $1,252,238,343 | 3,455,976 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $966,157,703 | 3,406,762 | Shares | Defined | 2020-05-22 | |
| No filing history on record for this holder in this stock. | ||||||