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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, Q4 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Dec 31, 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
2,708
+253 vs. Q3 2025
Shares held
375.0M
+44.2M (+13.4%) vs. Q3 2025
Total value
$199.1B
+$38.9B (+24.3%) vs. Q3 2025
New holders
373
945 more added
Sold out
120
1,041 more reduced

60 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 2,708 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 heldQ4 2025: $199.1B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q3 2025.

Institutions holding TMO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Warwick Investment Management, Inc.470$272.3K0.04%+16+3.5%Added
Burke & Herbert Bank & Trust Co471$272.9K0.08%+471New
One Wealth Capital Management, LLC471$272.9K0.12%+471New
Hohimer Wealth Management, LLC471$273.0K0.04%00.0%Unchanged
Harbour Investment Management LLC472$273.7K0.15%00.0%Unchanged
Cape Cod Five Cents Savings Bank443$274.0K0.03%00.0%Unchanged
Rooted Wealth Advisors, Inc.486$274.7K0.08%−30−5.8%Reduced
Heathbridge Capital Management Ltd.475$275.2K0.11%00.0%Unchanged
Sunpointe, LLC475$275.5K0.09%+475New
Miller Global Investments, LLC476$275.8K0.25%+476New
Tiemann Investment Advisors, LLC478$277.0K0.11%−85−15.1%Reduced
Lester Murray Antman dba SimplyRich479$277.0K0.07%00.0%Unchanged
Clifford Swan Investment Counsel LLC479$277.6K0.01%00.0%Unchanged
Avantra Family Wealth, Inc.479$277.6K0.20%00.0%Unchanged
Stewardship Advisors, LLC479$277.6K0.06%+19+4.1%Added
Colorado Capital Management, Inc.479$278.0K0.10%00.0%Unchanged
Integrated Investment Consultants, LLC480$278.1K0.05%+27+6.0%Added
Madden Securities Corp482$279.3K0.09%00.0%Unchanged
Byrne Asset Management LLC482$279.3K0.16%00.0%Unchanged
Permanent Capital Management, LP482$279.5K0.05%−162−25.2%Reduced
Invenio Wealth Partners LLC483$279.9K0.10%−4−0.8%Reduced
VUB Generali dochodkova spravcovska spolocnost, a.s.484$280.5K0.21%+484New
New Covenant Trust Company, N.A.474$280.9K0.25%+4+0.9%Added
BCS Wealth Management486$281.6K0.03%+486New
Clifford Group, LLC488$282.8K0.22%−9−1.8%Reduced
Kelly Financial Services LLC488$283.0K0.07%00.0%Unchanged
Xxi Wealth, LLC489$283.4K0.17%+489New
Evergreen Wealth Solutions, LLC490$284.0K0.04%+490New
Ferguson Shapiro LLC490$284.0K0.09%00.0%Unchanged
Triad Wealth Partners, LLC490$284.1K0.03%+490New
Omnia Family Wealth, LLC490$284.1K0.08%−5−1.0%Reduced
Wall Street Access Asset Management, LLC491$284.5K0.07%−30−5.8%Reduced
Firethorn Wealth Partners, LLC491$284.8K0.11%−1−0.2%Reduced
Hudock, Inc.491$284.8K0.04%00.0%Unchanged
Tobias Financial Advisors, Inc.492$285.1K0.04%+492New
Vancity Investment Management Ltd493$286.0K0.04%−84−14.6%Reduced
Traub Capital Management LLC495$286.8K0.28%−19−3.7%Reduced
M3 Advisory Group, LLC495$286.9K0.17%−154−23.7%Reduced
Azzad Asset Management Inc496$287.3K0.03%+58+13.2%Added
Abacus Planning Group, Inc.497$288.0K0.04%+497New
Putney Financial Group LLC499$289.1K0.27%−40−7.4%Reduced
Corient IA LLC500$289.7K0.27%−500−50.0%Reduced
Marble Harbor Investment Counsel, LLC500$289.7K0.03%−184−26.9%Reduced
Kelly Lawrence W & Associates Inc500$289.7K0.07%00.0%Unchanged
Corundum Trust Company, INC500$289.7K0.66%00.0%Unchanged
NCP Inc.500$289.7K0.23%00.0%Unchanged
Shay Capital LLC500$289.7K0.05%+500New
Cohen & Steers, Inc.500$290.0K0.00%00.0%Unchanged
Elm Partners Management LLC500$290.0K0.01%00.0%Unchanged
KW Wealth Management LLC501$290.8K0.44%+4+0.8%Added
Cape Ann Savings Bank503$291.5K0.15%+70+16.2%Added
Red Spruce Capital, LLC504$292.0K0.12%00.0%Unchanged
Harbor Investment Advisory, LLC504$292.1K0.02%+307+155.8%Added
Aspen Grove Capital, LLC504$292.3K0.05%+10+2.0%Added
LongView Wealth Management475$292.5K0.07%−2−0.4%Reduced
RWM Asset Management, LLC467$292.6K0.03%−30−6.0%Reduced
Consilio Wealth Advisors, LLC506$293.2K0.09%−27−5.1%Reduced
Enhancing Capital LLC506$293.2K0.21%−16−3.1%Reduced
Collaborative Wealth Managment Inc.506$293.2K0.10%+506New
Probity Advisors, Inc.508$294.4K0.05%−74−12.7%Reduced
Sand Hill Global Advisors, LLC508$294.4K0.01%+76+17.6%Added
Greenspring Advisors, LLC508$294.4K0.02%+508New
Gray Private Wealth, LLC510$295.5K0.14%−34−6.3%Reduced
Prevail Innovative Wealth Advisors, LLC510$295.5K0.05%+24+4.9%Added
Nano Cap New Millennium Growth Fund L P510$295.5K0.25%+510New
Convergence Investment Partners, LLC510$295.7K0.06%+41+8.7%Added
Harvey Investment Co LLC511$296.0K0.03%00.0%Unchanged
Keating Financial Advisory Services, Inc.511$296.1K0.04%+511New
West Paces Advisors Inc.512$296.7K0.06%+40+8.5%Added
Echo45 Advisors LLC513$297.4K0.17%−15−2.8%Reduced
Zhang Financial LLC514$297.8K0.01%+75+17.1%Added
Bell Bank515$298.4K0.01%−5−1.0%Reduced
Auxano Advisors, LLC515$298.4K0.06%+83+19.2%Added
Parr McKnight Wealth Management Group, LLC517$299.6K0.04%00.0%Unchanged
Boston Partners520$301.3K0.00%+520New
Charles Schwab Trust Co521$301.9K0.02%−127−19.6%Reduced
Holistic Financial Partners522$302.5K0.11%−27−4.9%Reduced
Donoghue Forlines LLC522$302.5K0.09%+522New
Mattson Financial Services, LLC523$303.1K0.07%−326−38.4%Reduced
Bill Few Associates, Inc.523$303.1K0.07%−109−17.2%Reduced
Financial Management Network Inc513$303.8K0.05%+2+0.4%Added
SVRN Asset Management, LLC525$304.2K0.25%+525New
Three Bridge Wealth Advisors, LLC525$304.4K0.08%00.0%Unchanged
DV Equities, LLC526$304.8K0.06%+526New
Argyle Capital Partners, LLC526$304.9K0.22%−139−20.9%Reduced
Silver Oak Securities, Inc525$306.1K0.02%+9+1.7%Added
BOS Asset Management, LLC529$306.5K0.08%−18−3.3%Reduced
Virtue Capital Management, LLC519$307.5K0.05%−23,895−97.9%Reduced
Cercano Management LLC531$307.7K0.01%00.0%Unchanged
Pavion Blue Capital, LLC533$308.8K0.13%−18−3.3%Reduced
SBI Securities Co., Ltd.534$309.4K0.01%−28−5.0%Reduced
Rainier Family Wealth Inc534$309.4K0.23%+42+8.5%Added
HHM Wealth Advisors, LLC537$311.2K0.04%−159−22.8%Reduced
Schneider Downs Wealth Management Advisors, LP538$311.5K0.04%+538New
Patron Partners Advisors, LLC538$311.8K0.14%00.0%Unchanged
Foster Victor Wealth Advisors, LLC505$312.5K0.02%00.0%Unchanged
Harris Associates L PSuperinvestorHarris Associates (Oakmark)541$313.5K0.00%00.0%Unchanged
Rainey & Randall Investment Management Inc.541$313.7K0.05%00.0%Unchanged
River Street Advisors LLC544$315.2K0.12%00.0%Unchanged
IFG Advisors, LLC544$315.2K0.05%00.0%Unchanged