THERMO FISHER SCIENTIFIC INC ($TMO)

4 tracked superinvestors hold THERMO FISHER SCIENTIFIC INC (TMO), worth $2.5B combined, led by Will Danoff. Smart money is accumulating TMO as of the latest 13F filings.

Current price

$524.71

Medical - Diagnostics & ResearchNYSEUS

+22.8%

1Y

Thermo Fisher Scientific Inc. provides life sciences solutions, analytical instruments, specialty diagnostics, and laboratory products and biopharma services in the North America, Europe, Asia-Pacific, and internationally. The company's Life Sciences Solutions segment offers reagents, instruments, and consumables for biological and medical research, discovery, and production of drugs and…

Market cap

$174.4B

P/E

25.81

Div yield

0.3%

Revenue YoY

3.9%

Analyst target

$592

Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.

Superinvestors holding

4

tracked 13F / N-PORT funds

Combined value

$2.5B

disclosed long exposure

Tier-1 conviction

1

concentrated holders

Net this quarter

+2

2 buying · 0 selling

Smart money is net accumulating TMO: 2 funds added or opened versus 0 trimming.

The smart-money take on TMO

THERMO FISHER SCIENTIFIC INC (TMO) is held by 4 tracked funds worth $2.5B combined, 1 of them concentrated Tier-1 managers whose positions carry real conviction.

The largest position belongs to Will Danoff at 0.7% of their book — no single tracked manager treats it as an outsized, top-weighted bet.

No tracked fund opened a new position this quarter; 2 added and 0 trimmed, a net add.

Superinvestors holding TMO

InvestorMove% of their portfolioPosition value
3
Will Danoff

Fidelity Contrafund

Added0.7%$1.0B
1
Andreas Halvorsen

Viking Global Investors

Added2.3%$820M
3
PRIMECAP team

Vanguard PRIMECAP

Held1%$603M
3
Steven Romick

FPA Crescent

Held1%$66M

Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.

Frequently asked

Which superinvestors own TMO?

4 tracked funds hold THERMO FISHER SCIENTIFIC INC (TMO), the largest being Will Danoff (Fidelity Contrafund) at 0.7% of its 13F portfolio. 1 of them are concentrated Tier-1 conviction managers.

Is smart money buying or selling TMO?

In the most recent 13F quarter, 2 tracked funds added or opened TMO and 0 trimmed it.

How much TMO do tracked funds hold?

Combined disclosed long exposure to TMO across tracked superinvestors is $2.5B as of the Mar 2026 filings.

Stocks often held alongside TMO

Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Mar 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.