Last updated Aug 4, 2026
THERMO FISHER SCIENTIFIC INC. (TMO) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in TMO. Across our datasets, 11 superinvestors hold TMO and 24 members of Congress have traded it.
Notable holders include Viking Global, Lindsell Train, and Steven Romick. Active congressional traders include Ro Khanna, Lisa McClain, and Michael McCaul.
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