TMO
THERMO FISHER SCIENTIFIC INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
THERMO FISHER SCIENTIFIC INC (TMO) is held as common stock by 10 tracked hedge-fund managers, with a combined reported value of ~$4.51B; the largest are Dodge & Cox, Jeremy Grantham, Andreas Halvorsen. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 new, 6 added, 3 trimmed, 1 closed. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Heating up
Common-stock holders104 also report options
Congress trades20
Price$678.60vs quarter-end+35.35%
Sectors1
This quarter's moves
Top holderDodge & CoxNew1
Added6
Trimmed / sold4
Common-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
Dodge & CoxAdd
Value $1.53B0.8% of portfolio3,054,7782026 Q2
Value $971.34M2.8% of portfolio1,937,4152026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Dodge & Cox | $1.53B | 0.8% | Add |
| Andreas Halvorsen | $971.34M | 2.8% | Add |
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $150.01M— of portfolio299,2002026 Q2
Value $127.09M— of portfolio253,5002026 Q2
Value $26.12M— of portfolio52,1002026 Q2
Value $20.31M— of portfolio40,5002026 Q2
Value $16.34M— of portfolio32,6002026 Q2
Value $7.07M— of portfolio14,1002026 Q2
Value $6.02M— of portfolio12,0002026 Q2
Value $5.51M— of portfolio11,0002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinPUT | $150.01M | — | — |
| Ken GriffinCALL | $127.09M | — | — |
| Izzy EnglanderPUT | $26.12M | — | — |
| Izzy EnglanderCALL | $20.31M | — | — |
| Paul Tudor JonesCALL | $16.34M | — | — |
| Paul Tudor JonesPUT | $7.07M | — | — |
| Steven CohenPUT | $6.02M | — | — |
| Steven CohenCALL | $5.51M | — | — |
Insider Trading
Officers · directors · Form 4Open-market purchases and sales (P/S)2
Gianluca Pettiti
President & COO
Sell$245.8K400 @ $614.38Traded 2026-08-28Filed 2026-09-01Gianluca Pettiti
President & COO
Sell$2.29M3,733 @ $614.38Traded 2026-08-28Filed 2026-09-01
Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.