TMO
Thermo Fisher Scientific Inc.Stock · Healthcare$523.44+$10.11 (+1.97%)as of market close, Jul 2, 2026
TMO weekly returns
Thermo Fisher Scientific Inc. has averaged 0.41% per week, positive in 52% of weeks. Week-by-week returns for Thermo Fisher Scientific Inc. (TMO) below, through July 2, 2026 — the table lists the most recent weeks; the bar chart plots the last 2 years.
Average week
+0.4%
2027 weeks
Best week
+220.5%
Sep 4, 1987
Worst week
-23.9%
Oct 23, 1987
Positive weeks
52%
of all weeks
Thermo Fisher Scientific Inc. weekly returns#
| Week ending | Path | Total return |
|---|---|---|
| Jul 2, 2026 | +2.0% | |
| Jun 26, 2026 | +10.4% | |
| Jun 18, 2026 | -0.9% | |
| Jun 12, 2026 | -0.8% | |
| Jun 5, 2026 | -4.0% | |
| May 29, 2026 | +9.9% | |
| May 22, 2026 | +2.3% | |
| May 15, 2026 | -5.7% | |
| May 8, 2026 | -0.9% | |
| May 1, 2026 | -0.1% | |
| Apr 24, 2026 | -10.8% | |
| Apr 17, 2026 | +6.1% |
Weekly total return (since Jul 12, 2024)
-15%-10%-5%+0%+5%+10%+15%
20252026
Methodology#
Weekly returns are total returns (dividends reinvested), computed from TMO's split- and dividend-adjusted weekly (ISO week) closes. The table shows the most recent 260 weeks and the bar chart the most recent 104. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
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FAQ
- What is Thermo Fisher Scientific Inc.'s average weekly return?
- Thermo Fisher Scientific Inc. (TMO) has averaged about 0.41% per week, positive in roughly 52% of weeks. The best week was Sep 4, 1987 (+220.5%) and the worst was Oct 23, 1987 (-23.9%).