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Thermo Fisher Scientific Inc.

TMO
Exchange
NYSE
Industry
Measuring & Controlling Devices, NEC
SEC CIK
0000097745

In the last 90 days, Thermo Fisher Scientific Inc. insiders filed 0 open-market purchases and 11 sales; 2,628 institutions reported holding it in 13F filings for Q2 2026, worth $169.2B in total; 6 superinvestors hold it, including Viking Global Investors and D1 Capital Partners.

13F holders, Q3 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
2,515
+95 vs. Q2 2025
Shares held
331.9M
+1.37M (+0.4%) vs. Q2 2025
Total value
$160.7B
+$27.5B (+20.6%) vs. Q2 2025
New holders
241
981 more added
Sold out
146
958 more reduced

40 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TMO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 2,515 institutions
Q1 2021: 2,046 institutionsQ2 2021: 2,082 institutionsQ3 2021: 2,135 institutionsQ4 2021: 2,347 institutionsQ1 2022: 2,321 institutionsQ2 2022: 2,287 institutionsQ3 2022: 2,270 institutionsQ4 2022: 2,379 institutionsQ1 2023: 2,391 institutionsQ2 2023: 2,392 institutionsQ3 2023: 2,370 institutionsQ4 2023: 2,496 institutionsQ1 2024: 2,535 institutionsQ2 2024: 2,554 institutionsQ3 2024: 2,580 institutionsQ4 2024: 2,625 institutionsQ1 2025: 2,577 institutionsQ2 2025: 2,460 institutionsQ3 2025: 2,515 institutionsQ4 2025: 2,708 institutionsQ1 2026: 2,612 institutionsQ2 2026: 2,628 institutions
Value heldQ3 2025: $160.7B
Q1 2021: $157.2BQ2 2021: $172.9BQ3 2021: $197.5BQ4 2021: $230.1BQ1 2022: $203.3BQ2 2022: $186.4BQ3 2022: $175.3BQ4 2022: $190.1BQ1 2023: $196.1BQ2 2023: $177.8BQ3 2023: $173.1BQ4 2023: $181.6BQ1 2024: $196.3BQ2 2024: $187.5BQ3 2024: $208.3BQ4 2024: $176.4BQ1 2025: $167.8BQ2 2025: $135.6BQ3 2025: $160.7BQ4 2025: $199.1BQ1 2026: $164.1BQ2 2026: $169.2B
Institutions holding TMO and their total value by quarter
QuarterHoldersValue
Q2 20262,628$169.2B
Q1 20262,612$164.1B
Q4 20252,708$199.1B
Q3 20252,515$160.7B
Q2 20252,460$135.6B
Q1 20252,577$167.8B
Q4 20242,625$176.4B
Q3 20242,580$208.3B
Q2 20242,554$187.5B
Q1 20242,535$196.3B
Q4 20232,496$181.6B
Q3 20232,370$173.1B
Q2 20232,392$177.8B
Q1 20232,391$196.1B
Q4 20222,379$190.1B
Q3 20222,270$175.3B
Q2 20222,287$186.4B
Q1 20222,321$203.3B
Q4 20212,347$230.1B
Q3 20212,135$197.5B
Q2 20212,082$172.9B
Q1 20212,046$157.2B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q2 2025.

Institutions holding TMO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Patten & Patten Inc626$303.6K0.02%+4+0.6%Added
Atlas Legacy Advisors, LLC629$305.1K0.06%+629New
Essex LLC629$305.3K0.06%+7+1.1%Added
Blueshift Asset Management, LLC632$306.5K0.09%−1,271−66.8%Reduced
Bill Few Associates, Inc.632$306.5K0.08%+44+7.5%Added
Whitener Capital Management, Inc.632$306.6K0.07%+64+11.3%Added
Green Square Capital Advisors LLC757$306.9K0.04%00.0%Unchanged
Cabot Wealth Management Inc638$309.4K0.03%00.0%Unchanged
PFG Advisors638$309.6K0.01%−3−0.5%Reduced
LaSalle St. Investment Advisors, LLC641$310.0K0.06%−89−12.2%Reduced
UMA Financial Services, Inc.642$311.4K0.04%+95+17.4%Added
Permanent Capital Management, LP644$312.6K0.06%+644New
Evermay Wealth Management LLC645$313.0K0.04%00.0%Unchanged
Delta Investment Management, LLC646$313.3K0.06%+646New
Charles Schwab Trust Co648$314.3K0.02%−25−3.7%Reduced
M3 Advisory Group, LLC649$315.0K0.20%+99+18.0%Added
Clear Street Markets LLC650$315.3K0.10%−216−24.9%Reduced
Drum Hill Capital, LLC650$315.3K0.34%−8−1.2%Reduced
Ameliora Wealth Management Ltd.650$315.3K0.10%+92+16.5%Added
Cary Street Partner Investment Advisory LLC653$316.7K0.13%+102+18.5%Added
Intrua Financial, LLC656$318.1K0.04%+148+29.1%Added
Flagship Wealth Advisors, LLC656$318.2K0.10%00.0%Unchanged
Hughes Financial Services, LLC553$318.7K0.05%+5+0.9%Added
Fielder Capital Group LLC659$319.6K0.07%+659New
Paragon Private Wealth Management, LLC660$320.2K0.10%+141+27.2%Added
First Command Advisory Services, Inc.661$320.6K0.00%00.0%Unchanged
WestHill Financial Advisors, Inc.661$320.6K0.06%+5+0.8%Added
Argyle Capital Partners, LLC665$322.4K0.23%−140−17.4%Reduced
Burling Wealth Partners, LLC665$322.5K0.05%−128−16.1%Reduced
MBL Wealth, LLC665$322.5K0.03%+5+0.8%Added
Old North State Wealth Management, LLC664$323.0K0.15%−140−17.4%Reduced
Allen Investment Management LLC666$323.0K0.00%00.0%Unchanged
Sage Rhino Capital LLC666$323.0K0.06%+7+1.1%Added
Bay Capital Advisors, LLC667$323.5K0.21%00.0%Unchanged
LifePlan Financial, LLC670$325.0K0.26%−8−1.2%Reduced
Pinnacle Bancorp, Inc.671$325.4K0.10%−121−15.3%Reduced
1620 Investment Advisors, Inc.671$325.4K0.22%−7−1.0%Reduced
Twin Capital Management Inc676$327.9K0.04%00.0%Unchanged
Hamilton Wealth, LLC679$329.3K0.07%+679New
Up Strategic Wealth Investment Advisors LLC624$329.4K0.25%−279−30.9%Reduced
LRI Investments, LLC680$329.9K0.03%+218+47.2%Added
Castleview Partners, LLC682$330.8K0.18%−798−53.9%Reduced
Roman Butler Fullerton & Co593$331.1K0.09%+10+1.7%Added
Jessup Wealth Management, Inc683$331.2K0.12%+1+0.1%Added
Carrera Capital Advisors682$331.3K0.06%−44−6.1%Reduced
Marble Harbor Investment Counsel, LLC684$331.8K0.03%−39−5.4%Reduced
Heritage Wealth Management, Inc.684$331.8K0.10%00.0%Unchanged
Fulton Breakefield Broenniman LLC684$331.8K0.02%+62+10.0%Added
Searle & Co.685$332.2K0.09%00.0%Unchanged
PBMares Wealth Management LLC690$334.7K0.05%00.0%Unchanged
Red Lighthouse Investment Management, LLC691$335.1K0.12%+1+0.1%Added
Studio Investment Management LLC691$335.4K0.06%+2+0.3%Added
Broadway Wealth Solutions, Inc.693$336.2K0.19%+13+1.9%Added
US Asset Management LLC694$336.6K0.28%00.0%Unchanged
Bristlecone Advisors, LLC694$336.6K0.03%+694New
Systematic Alpha Investments, LLC696$337.6K0.01%00.0%Unchanged
HHM Wealth Advisors, LLC696$337.6K0.04%+2+0.3%Added
Granite Harbor Advisors, Inc.696$337.6K0.14%+146+26.5%Added
RFG - Bristol Wealth Advisors, LLC697$338.2K0.10%−1,522−68.6%Reduced
Wedgewood Investors Inc700$339.5K0.37%00.0%Unchanged
NWF Advisory Services Inc.702$340.5K0.04%−229−24.6%Reduced
McLean Asset Management Corp627$341.1K0.07%+28+4.7%Added
Alpha Family Trust705$341.9K0.16%+705New
IMS Capital Management706$342.4K0.16%−140−16.5%Reduced
Mitchell Sinkler & Starr707$342.9K0.15%+15+2.2%Added
Almanack Investment Partners, LLC.707$342.9K0.05%+85+13.7%Added
Eldridge Investment Advisors, Inc.708$343.4K0.08%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd711$344.8K0.01%−30,854−97.7%Reduced
Daymark Wealth Partners, LLC711$344.8K0.01%+160+29.0%Added
Leisure Capital Management712$345.3K0.12%−10−1.4%Reduced
Proactive Wealth Strategies LLC715$346.7K0.15%+1+0.1%Added
Smart Portfolios, LLC715$346.8K0.33%−65−8.3%Reduced
Trust Co of Toledo NA715$346.8K0.03%+168+30.7%Added
Van Strum & Towne Inc.715$346.8K0.10%00.0%Unchanged
Ariston Services Group717$347.8K0.21%+191+36.3%Added
Baron Wealth Management LLC718$348.3K0.12%+77+12.0%Added
3Chopt Investment Partners, LLC721$350.0K0.08%+88+13.9%Added
Acima Private Wealth, LLC722$350.2K0.11%00.0%Unchanged
Founders Financial Alliance, LLC723$350.6K0.07%+723New
Avion Wealth725$351.0K0.08%+17+2.4%Added
Farmers & Merchants Trust Co of Long Beach724$351.2K0.07%−79−9.8%Reduced
Kestra Investment Management, LLC727$352.6K0.01%−798−52.3%Reduced
Community Financial Services Group, LLC728$353.1K0.06%−15−2.0%Reduced
FSM Wealth Advisors, LLC731$354.4K0.05%+230+45.9%Added
Pennsylvania Capital Management Inc731$354.6K0.10%−29−3.8%Reduced
Claro Advisors LLC731$354.8K0.05%−7−0.9%Reduced
Eisler Capital Management Ltd.751$355.1K0.01%−3,980−84.1%Reduced
Independent Solutions Wealth Management, LLC733$355.5K0.06%+215+41.5%Added
Dark Forest Capital Management LP735$356.5K0.01%−5,583−88.4%Reduced
Nicholas Hoffman & Company, LLC.735$356.5K0.01%−22−2.9%Reduced
LVW Advisors, LLC735$356.5K0.04%+23+3.2%Added
Excalibur Management Corp736$357.0K0.13%−63−7.9%Reduced
Chemistry Wealth Management LLC738$357.9K0.07%−715−49.2%Reduced
Blue Fin Capital, Inc.739$358.4K0.06%−31−4.0%Reduced
Investment Research Partners LLC642$358.4K0.16%+642New
Brandywine Oak Private Wealth LLC740$358.9K0.03%00.0%Unchanged
Yarbrough Capital, LLC742$359.9K0.01%+742New
Canandaigua National Trust Co of Florida743$360.4K0.29%−9−1.2%Reduced
Hickory Point Bank & Trust744$360.9K0.27%00.0%Unchanged
PharVision Advisers, LLC744$360.9K0.20%+744New