Merck & Co. vs Thermo Fisher Scientific: Fair Value & Quality
Both stocks run through our 21 valuation models. Here is how Merck & Co. (MRK) and Thermo Fisher Scientific (TMO) compare, as of Jul 23, 2026.
Ranked within their sector
Where each stock sits within its sector peer group. Band = middle 50% of peers, tick = median, dot = this stock.
Merck & Co. · Health Care
Thermo Fisher Scientific · Health Care
Bottom line
As of Jul 23, 2026, Fair Value Calculator sees Merck & Co. as the more attractively valued of the two: Merck & Co. trades at $126 versus a fair value of $128 (+1%), while Thermo Fisher Scientific trades at $523 versus $308 (-41%).
Merck & Co. has the higher quality score (76/100).
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A model-based valuation snapshot from 21 models, not a recommendation and not financial advice. Values change with price and fundamentals; the date shown above applies.