Thermo Fisher Scientific Inc
TMO · US
Thermo Fisher Scientific Inc is held by 8 of the 24 tracked investors in their latest 13F filings. The largest position is Norges Bank's at $2.6B, 0.25% of that portfolio. Versus the prior quarter, 3 added, 4 trimmed and 1 bought new. In the last 90 days insiders sold 1 times ($2.5M) and bought 0 times on the open market.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Norges Bank weight 0.25% · Q2 2026 |
2.6B | ▼ 4% |
| Viking Global Investors weight 2.77% · Q2 2026 |
971M | ▲ 16% |
| Temasek Holdings weight 1.57% · Q2 2026 |
583M | ▼ 3% |
| National Pension Service (Korea) weight 0.27% · Q2 2026 |
422M | ▲ 1% |
| Baillie Gifford weight 0.29% · Q2 2026 |
324M | ▼ 8% |
| Korea Investment Corporation weight 0.26% · Q2 2026 |
139M | ▲ 4% |
| Duquesne Family Office weight 0.18% · Q2 2026 |
9.6M | New |
| Bridgewater Associates weight 0.03% · Q2 2026 |
6.5M | ▼ 11% |
Insider trades (90 days)
SEC Form 4| Insider | Trade | Amount ($) |
|---|---|---|
| Pettiti Gianluca COO · 8/31 |
Sell Plan | 2.5M |
Questions
Which big investors own Thermo Fisher Scientific Inc?
Norges Bank ($2.6B), Viking Global Investors ($971M), Temasek Holdings ($583M), National Pension Service (Korea) ($422M), Baillie Gifford ($324M) and 3 more, per their latest 13F filings.
Does Warren Buffett own Thermo Fisher Scientific Inc?
Berkshire Hathaway did not report it in its latest 13F.
Does Korea's National Pension Service own Thermo Fisher Scientific Inc?
Yes, $422M as of 2026-06-30 (0.27% of its US holdings).
Have Thermo Fisher Scientific Inc insiders been selling?
1 open-market sales ($2.5M) and 0 purchases in the last 90 days; 1 of the sales were under pre-arranged 10b5-1 plans.
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.