TMO short interest
Thermo Fisher Scientific Inc. · Healthcare · Medical - Diagnostics & Research · settlement date 2026-09-30
| Shares short | 5,408,135 |
|---|---|
| Change vs prior report | 388,202 (+7.7%) |
| Change over six months | +32.8% |
| Days to cover | 2.07 (sector: 3.78) |
| Average daily volume | 2,608,482 |
| Rank in Healthcare | #703 of 922 by days to cover |
TMO short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 5,408,135 | +7.7% | 2.07 | 2,608,482 |
| 2026-09-15 | 5,019,933 | -11.8% | 2.74 | 1,832,072 |
| 2026-08-31 | 5,690,588 | +19.9% | 3.39 | 1,676,704 |
| 2026-08-14 | 4,744,180 | -4.8% | 2.86 | 1,656,677 |
| 2026-07-31 | 4,985,877 | -5.9% | 1.90 | 2,624,071 |
| 2026-07-15 | 5,298,322 | -1.0% | 2.98 | 1,778,419 |
| 2026-06-30 | 5,351,535 | +21.1% | 2.19 | 2,443,884 |
| 2026-06-15 | 4,418,353 | -5.9% | 2.05 | 2,154,544 |
| 2026-05-29 | 4,693,391 | -1.7% | 1.67 | 2,815,227 |
| 2026-05-15 | 4,773,531 | -1.9% | 1.91 | 2,503,388 |
| 2026-04-30 | 4,865,972 | +7.2% | 2.12 | 2,293,616 |
| 2026-04-15 | 4,538,918 | +11.4% | 2.72 | 1,667,529 |
| 2026-03-31 | 4,072,471 | +5.0% | 1.93 | 2,107,962 |
| 2026-03-13 | 3,879,909 | +9.3% | 1.76 | 2,210,155 |
| 2026-02-27 | 3,548,063 | -0.3% | 1.82 | 1,952,506 |
| 2026-02-13 | 3,557,292 | -25.5% | 1.25 | 2,838,227 |
| 2026-01-30 | 4,773,669 | +22.8% | 1.70 | 2,808,838 |
| 2026-01-15 | 3,886,964 | -0.4% | 1.50 | 2,596,875 |
| 2025-12-31 | 3,902,857 | -23.3% | 2.75 | 1,420,155 |
| 2025-12-15 | 5,086,563 | -0.3% | 3.23 | 1,573,068 |
| 2025-11-28 | 5,101,544 | -6.6% | 3.21 | 1,589,169 |
| 2025-11-14 | 5,462,612 | +23.9% | 3.21 | 1,702,154 |
| 2025-10-31 | 4,409,154 | +12.8% | 2.16 | 2,043,124 |
| 2025-10-15 | 3,908,166 | -8.4% | 1.60 | 2,450,214 |
| 2025-09-30 | 4,268,524 | +11.5% | 1.56 | 2,733,911 |
import finzdata as yf
yf.Ticker("TMO").short_interest # every report since 2017
yf.Client().short_interest(["TMO"], start="2018-01-01")Healthcare short interest · TMO price history · Who owns TMO · All short interest