Who owns THERMO FISHER SCIENTIFIC INC. (TMO)? Elite investor 13F holders
18 tracked elite investors reported holding THERMO FISHER SCIENTIFIC INC as of 2026-06-30, including Dodge & Cox Funds, GMO, Viking Global Investors, D.E. Shaw, Lindsell Train. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.
18 tracked investors currently reported holding · Latest report period: 2026-06-30 · Information Technology · Technology Hardware & Equipment
Thermo Fisher Scientific Inc. provides life sciences solutions, analytical instruments, specialty diagnostics, and laboratory products and biopharma services in the North America, Europe, Asia-Pacific, and internationally. It operates through four segments: Life Sciences Solutions, Analytical Instruments, Specialty Diagnostics, and Laboratory Products and Biopharma Services. The Life Sciences…
Reported holders and securities, including exits (up to 20)
| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|---|---|---|---|---|---|---|---|---|---|
| Dodge & Cox Funds | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 1531543498.00 USD | 3054778.000000 | Shares | add | Original filing |
| GMO | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 1373321891.00 USD | 2739191.000000 | Shares | add | Original filing |
| Viking Global Investors | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 971342384.00 USD | 1937415.000000 | Shares | add | Original filing |
| Cantillon Capital Management | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-07-29 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| D.E. Shaw | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 321691126.00 USD | 641637.000000 | Shares | add | Original filing |
| Lindsell Train | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-07-15 00:00:00 | 257955736.00 USD | 514512.000000 | Shares | reduce | Original filing |
| First Pacific Advisors | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 124459612.00 USD | 248244.000000 | Shares | add | Original filing |
| Sound Shore | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 82883832.00 USD | 165318.000000 | Shares | buy | Original filing |
| Gotham Asset Management | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 69939219.00 USD | 139499.000000 | Shares | add | Original filing |
| Renaissance Technologies LLC | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| Weitz Investment Management | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 57756672.00 USD | 115200.000000 | Shares | reduce | Original filing |
| Markel Group | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-07-31 00:00:00 | 36649416.00 USD | 73100.000000 | Shares | add | Original filing |
| Tudor Investment | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 35718892.00 USD | 71244.000000 | Shares | add | Original filing |
| Matrix Asset Advisors | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-07-15 00:00:00 | 13871788.00 USD | 27668.000000 | Shares | add | Original filing |
| Century Management | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 7163933.00 USD | 14289.000000 | Shares | add | Original filing |
| Bridgewater Associates | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 6491609.00 USD | 12948.000000 | Shares | reduce | Original filing |
| GAMCO | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 2035522.00 USD | 4060.000000 | Shares | reduce | Original filing |
| Ancora Advisors / Ancora Holdings | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 829751.00 USD | 1655.000000 | Shares | reduce | Original filing |
| Mairs & Power Funds | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 622188.00 USD | 1241.000000 | Shares | hold | Original filing |
| Hillman Capital Management | THERMO FISHER SCIENTIFIC INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 376020.00 USD | 750.000000 | Shares | add | Original filing |
Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.
This public summary shows the default reporting scope. Enable JavaScript for interactive filters, charts, and additional rows.