InvestorLens

TMO — THERMO FISHER SCIENTIFIC INC

Health Care · Diagnostics & Research

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying TMO?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
67
Institutional Conviction
Mixed · 2 buying vs 1 selling last quarter
54
Macro Tailwind
Macro conditions are mixed for this sector
53
Congressional Activity
1 congressional purchase, 1 sale disclosed in the last 6 months
Why? — Evidence & Confidence ▾

Of 3 tracked investors who changed their TMO position last quarter, 2 bought and 1 sold (67% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 53/100 in a Overheat regime). 1 congressional purchase, 1 sale disclosed in the last 6 months.

Supporting evidence
  • +2 tracked investors added or increased positions last quarter (Stanley Druckenmiller, Andreas Halvorsen)
  • +7 tracked investors reported holding TMO at their latest filing
Contradicting evidence — always shown
  • −1 tracked investor reduced or exited last quarter (1 reduced, 0 sold out)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.

About THERMO FISHER SCIENTIFIC INC (TMO)

THERMO FISHER SCIENTIFIC INC (TMO) appears in the most recent 13F filings of 7 tracked institutional investors. THERMO FISHER SCIENTIFIC INC is classified in the Health Care sector (Diagnostics & Research industry). The largest disclosed position is held by Andreas Halvorsen (Viking Global Investors), valued at $971M. Across recent filings, tracked investors recorded 9 new positions, 3 increased, 1 reduced, and 6 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in TMO

63
/100
Institutional Accumulation
Added / Increased12
Reduced1
Exited6
BearishBullish
Crowded Trade Score™

How many top investors track TMO

47
/100
Moderate Interest
7investors

Several tracked investors have exposure.

UndiscoveredCrowded
151015+

TMO Ownership Composition

How THERMO FISHER SCIENTIFIC INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
51% of tracked value
Institutions
7
tracked investors
Total Reported
$1.9B
combined 13F value
Types3
  • Other51.3%
  • Multi-Strategy / Quant44.7%
  • Macro4.0%
Other(1)
51.3%
Multi-Strategy / Quant(3)
44.7%
Macro(3)
4.0%

Tracked investors currently reporting TMO

1 tracked investor has since exited this position — listed separately below.

  • Andreas HalvorsenJun 30, 2026
    Viking Global Investors
    Shares
    1.9M
    Value
    $971.3M
    % Portfolio
    2.77%
  • Ken GriffinJun 30, 2026
    Citadel Advisors
    Shares
    1.1M
    Value
    $565.4M
    % Portfolio
    0.06%
  • Izzy EnglanderJun 30, 2026
    Millennium Management
    Shares
    258.1K
    Value
    $129.4M
    % Portfolio
    0.05%
  • Steve CohenJun 30, 2026
    Point72 Asset Management
    Shares
    300.7K
    Value
    $150.8M
    % Portfolio
    0.17%
  • Paul Tudor JonesJun 30, 2026
    Tudor Investment Corp
    Shares
    117.9K
    Value
    $59.1M
    % Portfolio
    0.08%
  • Ray DalioJun 30, 2026
    Bridgewater Associates
    Shares
    12.9K
    Value
    $6.5M
    % Portfolio
    0.03%
  • Stanley DruckenmillerJun 30, 2026
    Duquesne Family Office
    Shares
    19.2K
    Value
    $9.6M
    % Portfolio
    0.18%

Previously held TMO

These investors reported TMO in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Daniel LoebThird Point LLC50K$29MDec 31, 2025

Recent activity

Frequently asked questions

How many institutional investors hold TMO?
7 tracked institutional investors disclosed a position in TMO (THERMO FISHER SCIENTIFIC INC) in their most recent 13F filing.
Who is the largest institutional holder of TMO?
Andreas Halvorsen, Viking Global Investors, holds the largest disclosed position in TMO, valued at $971M.
Did institutional ownership of TMO increase or decrease?
Across recent 13F filings, tracked investors recorded 9 new positions, 3 increased, 1 reduced, and 6 fully exited TMO.
What sector is TMO in?
THERMO FISHER SCIENTIFIC INC is classified in the Health Care GICS sector, Diagnostics & Research industry.
Where does this TMO ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.