TMO · CUSIP 883556102
THERMO FISHER SCIENTIFIC INC
Reported by 12 of 79 curated managers in Q2 2026, in the holdings snapshot last exported 2026-10-26.
- Managers holding
- 12
- Average portfolio weight
- 2.2%
- Combined reported value
- $3.2B
- Research group
- 79
12 of the 79 superinvestors Shameless Cloning tracks reported THERMO FISHER SCIENTIFIC INC (TMO) in their Q2 2026 13F filings, worth $3.2B combined, at an average 2.2% of their portfolios. The largest positions by portfolio weight belong to Lindsell Train (9.8%), Wallace Weitz (4.0%), Viking Global Investors (2.8%).
Reporting managers
This is a historical 13F snapshot, not a live shareholder register. The count covers all matched managers; dashboard rankings use only those with at least 95% coverage. Reported value is measured at filing quarter-end, not at today's price.
| Manager / SEC filer | % of portfolio | Reported value |
|---|---|---|
| Lindsell TrainLindsell Train Ltd | 9.8% | $258.0M |
| Wallace WeitzWEITZ INVESTMENT MANAGEMENT, INC. | 4.0% | $57.8M |
| Viking Global InvestorsVIKING GLOBAL INVESTORS LP | 2.8% | $971.3M |
| Harry BurnSound Shore Management Inc /CT/ | 2.6% | $82.9M |
| First Pacific AdvisorsFirst Pacific Advisors, LP | 1.6% | $124.5M |
| Arnold Van Den BergVAN DEN BERG MANAGEMENT I, INC | 1.5% | $7.2M |
| John ArmitageEgerton Capital (UK) LLP | 1.4% | $133.8M |
| David KatzMATRIX ASSET ADVISORS INC/NY | 1.3% | $16.2M |
| Dodge & Cox FundsDodge & Cox | 0.8% | $1.5B |
| Thomas GaynerMarkel Group Inc. | 0.3% | $36.6M |
| Hillman Capital ManagementHillman Capital Management, Inc. | 0.3% | $376K |
| Mairs & Power FundsMAIRS & POWER INC | 0.0% | $622K |