Thermo Fisher Scientific Inc.
TMOLast close · Oct 16, 2026690.00−6.49 (−0.93%)
Market cap$255.1B
Of the 85 managers this site tracks, 14 held Thermo Fisher Scientific (TMO) at the end of Q3 2026, their latest 13Fs. The largest position by value was Dodge & Cox's, $1.5B; Viking Global's ($971.3M) and Lindsell Train's ($258.0M) follow. No Schedule 13D or 13G is on file for TMO from the activists and large holders the site follows.
Superinvestors holding TMO
| Manager | Firm | Quarter | Shares | Value |
|---|---|---|---|---|
| Dodge & Cox | Dodge & Cox | Q2 2026 | 3M | $1.5B |
| Viking Global | Viking Global Investors LP | Q2 2026 | 2M | $971.3M |
| Lindsell Train | Lindsell Train Ltd | Q2 2026 | 514,512 | $258.0M |
| First Pacific Advisors | First Pacific Advisors, LP | Q2 2026 | 248,244 | $124.5M |
| Harry Burn | Sound Shore Management Inc | Q2 2026 | 165,318 | $82.9M |
| Wallace Weitz | Weitz Investment Management, Inc. | Q2 2026 | 115,200 | $57.8M |
| Thomas Gayner | Markel Group Inc. | Q2 2026 | 73,100 | $36.6M |
| David Katz | Matrix Asset Advisors Inc | Q3 2026 | 23,947 | $16.2M |
| Druckenmiller | Duquesne Family Office LLC | Q2 2026 | 19,200 | $9.6M |
| Arnold Van Den Berg | Van Den Berg Management I, Inc | Q2 2026 | 14,289 | $7.2M |
| Bridgewater | Bridgewater Associates, LP | Q2 2026 | 12,948 | $6.5M |
| Robert Olstein | Olstein Capital Management, L.P. | Q1 2026 | 6,750 | $3.3M |
| Mairs & Power | Mairs & Power Inc | Q2 2026 | 1,241 | $622,188 |
| Hillman Capital | Hillman Capital Management, Inc. | Q2 2026 | 750 | $376,020 |
13D/13G are SEC beneficial-ownership disclosures, triggered only above 5%; a 13F is a quarterly snapshot filed up to 45 days after quarter end. Superinvestor names link to their full portfolios under Investors.