THERMO FISHER SCIENTIFIC INC (TMO) — Hedge Fund Ownership Q1 2026
TMO
- THERMO FISHER SCIENTIFIC INC (TMO) is held by 11 of 82 tracked hedge funds, with Lindsell Train (10%) and Weitz Investment Management (4%) holding the largest stakes, indicating moderate hedge fund interest relative to peers.
- The biggest increases in TMO holdings came from Viking Global Investors (+110%) and Markel Group (+7%), highlighting conviction.
- The biggest decreases in TMO holdings came from Cantillon Capital Management (-12%) and Lindsell Train (-10%), suggesting profit-taking or de-risking.
- 2 hedge funds exited TMO.
- Overall, hedge funds increased exposure to THERMO FISHER SCIENTIFIC INC (TMO) by +22% vs the prior quarter and -59% vs prior year.
| # | Fund | % of Portfolio † | Shares † | Shares vs Prior Quarter † | Shares vs Prior Year † | Aggregate Value † | Reported Price * | Option |
|---|---|---|---|---|---|---|---|---|
| 1 |
Lindsell Train
|
9.67% | 617K | -10.48% | +21.31% | $303.4M | $491.53 | — |
| 2 |
Weitz Investment Management Wallace Weitz
|
4.15% | 121K | -10.34% | -4.08% | $59.5M | $491.53 | — |
| 3 |
Cantillon Capital Management William von Mueffling
|
2.51% | 770K | -11.87% | -14.65% | $378.3M | $491.53 | — |
| 4 |
Viking Global Investors Andreas Halvorsen
|
2.29% | 1.7M | +110.29% | — | $819.9M | $491.53 | — |
| 5 |
First Pacific Advisors Steven Romick
|
1.56% | 222K | +1.52% | — | $109.1M | $491.53 | — |
| 6 |
Matrix Asset Advisors David Katz
|
1.02% | 23K | +5.65% | +43.50% | $11.1M | $491.54 | — |
| 7 |
Olstein Capital Management Robert Olstein
|
0.72% | 7K | +5.47% | — | $3.3M | $491.56 | — |
| 8 |
Markel Group Tom Gayner
|
0.28% | 67K | +6.85% | +49.11% | $33.0M | $491.53 | — |
| 9 |
Hillman Capital Management Mark Hillman
|
0.22% | 656 | +3.47% | — | $322,444 | $491.53 | — |
| 10 |
Dodge & Cox
|
0.01% | 26K | — | -1.40% | $12.7M | $491.53 | — |
| 11 |
Mairs & Power
|
0.01% | 1K | — | -4.98% | $609,989 | $491.53 | — |
| — |
Polen Capital Management
|
— | — | EXITED | — | — | — | — |
| — |
Third Point
|
— | — | EXITED | — | — | — | — |
| 11 | Total | — | 3.5M | +22.29% | -58.84% | $1.73B | — | — |
* Reported price is not an actual purchase or sale price. It is the price as of the last portfolio date.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.