COM
TMO
Thermo Fisher Scientific Inc
Holdings as of 2023-12-31Filed 2024-02-14Updated 2026-10-22
View original evidence ↗Viewing holdings for 2023 Q4. View latest quarter →
Investors holding2
New positions0
Increased0
Decreased2
Exited0
Holdings by investor
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| Investor | Portfolio weight | Shares | Shares Δ | Change | Filed | Evidence |
|---|---|---|---|---|---|---|
| Chris HohnTCI Fund Management | 4.64%-1.2 pp | 3,146,382 | -1.5% | Decreased | 2024-02-14 | SEC filing |
| Viking GlobalViking Global | 1.05%-0.8 pp | 538,485 | -40.1% | Decreased | 2024-02-14 | SEC filing |
Ownership over time
All 20 quarters
| Quarter | Investors holding |
|---|---|
| 2026 Q2 | 2 |
| 2026 Q1 | 1 |
| 2025 Q4 | 2 |
| 2025 Q3 | 0 |
| 2025 Q2 | 1 |
| 2025 Q1 | 0 |
| 2024 Q4 | 1 |
| 2024 Q3 | 0 |
| 2024 Q2 | 0 |
| 2024 Q1 | 2 |
| 2023 Q4 | 2 |
| 2023 Q3 | 2 |
| 2023 Q2 | 2 |
| 2023 Q1 | 2 |
| 2022 Q4 | 3 |
| 2022 Q3 | 2 |
| 2022 Q2 | 2 |
| 2022 Q1 | 2 |
| 2021 Q4 | 1 |
| 2021 Q3 | 1 |
Original sources
Public commentary is shown only when a dated, verified original is available.
TCI Fund ManagementOfficial SEC filing
Viking GlobalOfficial SEC filing
Advanced · SEC data & downloads
CUSIP 883556102 · COM
Original information table · XML/data
Original information table · XML/data
TCI Fund Management · 13F-HR · SEC filing · TXT
Viking Global · 13F-HR · SEC filing · TXT
Download full history CSV · all candidate groups