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Thermo Fisher Scientific Inc.

TMO
Exchange
NYSE
Industry
Measuring & Controlling Devices, NEC
SEC CIK
0000097745

In the last 90 days, Thermo Fisher Scientific Inc. insiders filed 0 open-market purchases and 11 sales; 2,627 institutions reported holding it in 13F filings for Q2 2026, worth $169.2B in total; 6 superinvestors hold it, including Viking Global Investors and D1 Capital Partners.

Holders of 5% or more of TMO

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Thermo Fisher Scientific Inc., largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of Thermo Fisher Scientific Inc. on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

1 Schedule 13D or 13G filing on Thermo Fisher Scientific Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on TMO
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 27, 20261:36 PM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Thermo Fisher Scientific Inc. shares.

No Form 144 notices for Thermo Fisher Scientific Inc. are on file.