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)

Reported holders and securities, including exits (up to 20)
InvestorSecurityInstrumentReport periodFiledValueQuantityUnitsChangeSource
Dodge & Cox FundsTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-13 00:00:001531543498.00 USD3054778.000000SharesaddOriginal filing
GMOTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-13 00:00:001373321891.00 USD2739191.000000SharesaddOriginal filing
Viking Global InvestorsTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:00971342384.00 USD1937415.000000SharesaddOriginal filing
Cantillon Capital ManagementTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-07-29 00:00:000.00 USD0.000000SharesexitedOriginal filing
D.E. ShawTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:00321691126.00 USD641637.000000SharesaddOriginal filing
Lindsell TrainTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-07-15 00:00:00257955736.00 USD514512.000000SharesreduceOriginal filing
First Pacific AdvisorsTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:00124459612.00 USD248244.000000SharesaddOriginal filing
Sound ShoreTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-12 00:00:0082883832.00 USD165318.000000SharesbuyOriginal filing
Gotham Asset ManagementTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:0069939219.00 USD139499.000000SharesaddOriginal filing
Renaissance Technologies LLCTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-13 00:00:000.00 USD0.000000SharesexitedOriginal filing
Weitz Investment ManagementTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-12 00:00:0057756672.00 USD115200.000000SharesreduceOriginal filing
Markel GroupTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-07-31 00:00:0036649416.00 USD73100.000000SharesaddOriginal filing
Tudor InvestmentTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:0035718892.00 USD71244.000000SharesaddOriginal filing
Matrix Asset AdvisorsTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-07-15 00:00:0013871788.00 USD27668.000000SharesaddOriginal filing
Century ManagementTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:007163933.00 USD14289.000000SharesaddOriginal filing
Bridgewater AssociatesTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:006491609.00 USD12948.000000SharesreduceOriginal filing
GAMCOTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-12 00:00:002035522.00 USD4060.000000SharesreduceOriginal filing
Ancora Advisors / Ancora HoldingsTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:00829751.00 USD1655.000000SharesreduceOriginal filing
Mairs & Power FundsTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:00622188.00 USD1241.000000SharesholdOriginal filing
Hillman Capital ManagementTHERMO FISHER SCIENTIFIC INCSHARE2026-06-302026-08-14 00:00:00376020.00 USD750.000000SharesaddOriginal 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.

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