TMO
THERMO FISHER SCIENTIFIC INC
22 superinvestors own TMO
Based on latest 13F filings — data is 45–90 days delayed
| Investor | Weight | Activity |
|---|---|---|
| Lindsell Train | 9.67% | Reduced |
| Wallace Weitz | 4.15% | Reduced |
| Stephen Mandel | 3.09% | Reduced |
| John Armitage | 3.03% | Added |
| William Von Mueffling | 2.51% | Reduced |
| Viking Global Investors | 2.29% | Added |
| Alex Roepers | 2.25% | Reduced |
| Chris Hohn | 2.22% | Reduced |
| David Katz | 1.02% | Added |
| Robert Olstein | 0.72% | Added |
| Kenneth Fisher | 0.48% | Added |
| Daniel Loeb | 0.40% | Reduced |
| Hillman Capital Management | 0.22% | Added |
| AKO Capital | 0.14% | Reduced |
| Christopher Davis | 0.01% | Reduced |
| Bill & Melinda Gates Foundation | 0.01% | New |
| Mairs & Power | 0.01% | Held |
| Polen Capital Management | 0.01% | Reduced |
| Dodge & Cox | 0.01% | Held |
| Ruane Cunniff | 0.00% | Held |
| Bill Nygren | 0.00% | Held |
| First Eagle Investment Management | 0.00% | Reduced |
Recent insider activity — TMO
Open-market purchases (P) and sales (S) from SEC Form 4 filings · last 12 months
No open-market insider trades in the last 12 months.
Form 4 filings for option exercises and other transaction types are excluded.
Congressional trades — TMO
STOCK Act disclosures · last 12 months
Congressional trade data coming soon.
We are sourcing STOCK Act disclosures and will display them here shortly.
Learn more
What Is SEC Form 4?
Understand the insider trade filings behind TMO activity.
What Is a 13F Filing?
How superinvestors disclose their quarterly holdings.
Insider Cluster Buying
Why multiple insiders buying together is a strong signal.
Superinvestor Consensus
The most widely held stocks across all tracked institutions.