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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
Beacon Financial Advisory LLC397$230.2K0.05%+397New
MEMBERS Trust Co399$231.2K0.01%+399New
Builder Investment Group Inc400$231.8K0.05%+400New
Fairvoy Private Wealth, LLC400$231.8K0.05%+400New
Wealth Dimensions Group, Ltd.400$231.8K0.05%−200−33.3%Reduced
Atlas Wealth Partners, LLC400$232.0K0.25%−25−5.9%Reduced
Allred Capital Management, LLC401$232.4K0.08%+401New
Insight Advisors, LLC401$232.6K0.04%+401New
Foster Group, Inc.403$233.5K0.01%+403New
Flynn Zito Capital Management, LLC403$233.5K0.08%+403New
Kennedy Investment Group404$234.2K0.09%+404New
KilterHowling LLC404$234.4K0.12%+404New
J.Safra Asset Management Corp405$234.7K0.01%+220+118.9%Added
Kickstand Ventures, LLC.406$235.3K0.05%−71−14.9%Reduced
Cordoba Advisory Partners LLC406$235.8K0.06%+406New
Legacy Wealth Advisors, LLC407$235.8K0.16%+407New
Retirement Income Solutions, Inc408$236.4K0.04%+408New
TCI Wealth Advisors, Inc.409$237.0K0.01%−11−2.6%Reduced
First Business Financial Services, Inc.411$238.2K0.02%−31−7.0%Reduced
Nolet Wealth Management, LLC412$239.0K0.13%+412New
Mine & Arao Wealth Creation & Management, LLC.414$240.1K0.09%00.0%Unchanged
Strategic Investment Advisors419$242.6K0.02%+419New
E Fund Management (Hong Kong) Co., Ltd.417$242.6K0.10%+414+13,800.0%Added
Plimoth Trust Co LLC419$242.8K0.05%−5−1.2%Reduced
Pacitti Group Inc.419$242.9K0.09%00.0%Unchanged
Burkett Asset Management Ltd420$243.4K0.25%+420New
Meridian Wealth Partners, LLC421$243.9K0.03%−3−0.7%Reduced
Semus Wealth Partners LLC422$244.3K0.13%+422New
Constitution Capital LLC423$245.1K0.12%+423New
World Equity Group, Inc.423$245.1K0.07%−121−22.2%Reduced
Slocum, Gordon & Co LLP424$245.7K0.18%−125−22.8%Reduced
LeConte Wealth Management, LLC424$245.7K0.16%−35−7.6%Reduced
Avenue 1 Advisors, LLC424$245.7K0.08%00.0%Unchanged
N.E.W. Advisory Services LLC424$245.7K0.02%+203+91.9%Added
Financial Partners Group, Inc425$246.1K0.03%−23−5.1%Reduced
Moseley Investment Management Inc425$246.1K0.08%00.0%Unchanged
Cheviot Value Management, LLC405$246.2K0.02%00.0%Unchanged
Perkins Coie Trust Co425$246.3K0.05%00.0%Unchanged
IFG Advisory, LLC426$246.6K0.01%+426New
Old Peak Finance LLC427$247.4K0.15%+427New
EJMK Ventures LLC427$247.4K0.15%+427New
Lake Street Financial LLC428$248.0K0.03%−5−1.2%Reduced
NCM Capital Management, LLC428$248.0K0.09%00.0%Unchanged
Kohmann Bosshard Financial Services, LLC428$248.0K0.02%00.0%Unchanged
Pasadena Private Wealth, LLC429$248.6K0.03%00.0%Unchanged
Baker Ellis Asset Management LLC429$248.6K0.03%00.0%Unchanged
Brooks, Moore & Associates, Inc.430$249.2K0.12%−15−3.4%Reduced
Cornerstone Management, Inc.430$249.2K0.04%+430New
Vision Retirement, LLC430$249.2K0.07%+430New
Brucke Financial, Inc.431$249.7K0.14%+6+1.4%Added
Triumph Capital Management431$249.8K0.05%−32−6.9%Reduced
Sentinus, LLC432$250.3K0.02%+432New
Drive Wealth Management, LLC433$251.0K0.05%+433New
Avise Financial Cooperative, Inc.433$251.1K0.23%+433New
Clark Financial Services Group Inc411$251.2K0.13%+411New
Horizon Kinetics Asset Management LLC438$253.8K0.00%00.0%Unchanged
Fiduciary Financial Group, LLC438$253.8K0.04%+10+2.3%Added
Stonebridge Financial Group, LLC439$254.4K0.22%+439New
Perissos Private Wealth Management, LLC440$255.0K0.22%00.0%Unchanged
Sovran Advisors, LLC410$256.1K0.02%+10+2.5%Added
Burr Financial Services, LLC442$256.1K0.19%00.0%Unchanged
Palatine Hill Wealth Management, LLC442$256.1K0.21%+442New
Prosperity Bancshares Inc444$257.3K0.23%+444New
Tempo Wealth, LLC445$257.6K0.05%+445New
Signet Financial Management, LLC445$257.9K0.03%+8+1.8%Added
Altar Rock LLC445$258.0K0.31%+445New
Rodgers & Associates, LTD446$258.4K0.03%00.0%Unchanged
Keudell/Morrison Wealth Management446$258.5K0.05%+446New
CFO4Life Group, LLC447$259.0K0.04%−3−0.7%Reduced
PFG Advisors447$259.3K0.01%−191−29.9%Reduced
Commonwealth Financial Services, LLC448$259.6K0.04%+448New
Penobscot Wealth Management449$260.2K0.08%+24+5.6%Added
Wallace Capital Management Inc.450$260.8K0.03%−25−5.3%Reduced
Oak Harbor Wealth Partners, LLC450$260.8K0.06%00.0%Unchanged
Garrison Point Advisors, LLC451$261.3K0.12%+451New
Revisor Wealth Management LLC409$261.6K0.07%00.0%Unchanged
Shepherd Financial Partners LLC453$262.5K0.02%00.0%Unchanged
Richwood Investment Advisors, LLC485$263.5K0.19%−115−19.2%Reduced
CVFG LLC455$263.7K0.18%+455New
Petros Family Wealth, LLC456$264.2K0.18%+17+3.9%Added
Intellectus Partners, LLC457$265.1K0.05%00.0%Unchanged
Strata Wealth Advisors, LLC459$266.0K0.07%+19+4.3%Added
Southeast Asset Advisors Inc.459$266.0K0.03%+459New
Darwin Advisors, LLC459$266.1K0.08%+9+2.0%Added
Financial Perspectives, Inc460$266.3K0.07%00.0%Unchanged
Texas Yale Capital Corp.460$266.5K0.01%+460New
Persistent Asset Partners Ltd460$266.5K0.13%+460New
Reflection Asset Management460$266.5K0.19%+460New
McAdam, LLC461$267.1K0.01%+461New
J.M. Arbour, LLC463$268.3K0.27%+463New
Curated Wealth Partners LLC463$268.3K0.03%+463New
Sound Income Strategies, LLC434$268.6K0.01%+304+233.8%Added
TownSquare Capital, LLC466$270.0K0.06%−2,499−84.3%Reduced
Goldstein Advisors, LLC467$270.6K0.03%+2+0.4%Added
Peoples Financial Services Corp.468$271.2K0.13%−93−16.6%Reduced
Plante Moran Financial Advisors, LLC468$271.2K0.02%+9+2.0%Added
RFG - Bristol Wealth Advisors, LLC468$271.3K0.08%−229−32.9%Reduced
Bluesphere Advisors, LLC469$271.8K0.12%00.0%Unchanged
Baron Silver Stevens Financial Advisors, LLC469$272.1K0.04%−18−3.7%Reduced
Patriot Financial Group Insurance Agency, LLC470$272.3K0.03%+14+3.1%Added