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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, Q1 2026

Institutional positions in Thermo Fisher Scientific Inc. as of Mar 31, 2026. 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
2,612
−56 vs. Q4 2025
Shares held
332.3M
−1.64M (−0.5%) vs. Q4 2025
Total value
$164.1B
−$11.2B (−6.4%) vs. Q4 2025
New holders
173
980 more added
Sold out
229
1,101 more reduced

39 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 2,612 institutions
Q1 2021: 2,046 institutionsQ2 2021: 2,082 institutionsQ3 2021: 2,135 institutionsQ4 2021: 2,347 institutionsQ1 2022: 2,320 institutionsQ2 2022: 2,286 institutionsQ3 2022: 2,269 institutionsQ4 2022: 2,378 institutionsQ1 2023: 2,390 institutionsQ2 2023: 2,391 institutionsQ3 2023: 2,369 institutionsQ4 2023: 2,495 institutionsQ1 2024: 2,534 institutionsQ2 2024: 2,553 institutionsQ3 2024: 2,579 institutionsQ4 2024: 2,624 institutionsQ1 2025: 2,576 institutionsQ2 2025: 2,460 institutionsQ3 2025: 2,515 institutionsQ4 2025: 2,707 institutionsQ1 2026: 2,612 institutionsQ2 2026: 2,628 institutions
Value heldQ1 2026: $164.1B
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 20252,707$199.1B
Q3 20252,515$160.7B
Q2 20252,460$135.6B
Q1 20252,576$167.8B
Q4 20242,624$176.4B
Q3 20242,579$208.3B
Q2 20242,553$187.5B
Q1 20242,534$196.3B
Q4 20232,495$181.6B
Q3 20232,369$173.1B
Q2 20232,391$177.8B
Q1 20232,390$196.1B
Q4 20222,378$190.1B
Q3 20222,269$175.3B
Q2 20222,286$186.4B
Q1 20222,320$203.3B
Q4 20212,347$230.1B
Q3 20212,135$197.5B
Q2 20212,082$172.9B
Q1 20212,046$157.2B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q4 2025.

Institutions holding TMO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Prosperity Consulting Group, LLC4,681$2.30M0.10%−72−1.5%Reduced
Confluence Wealth Services, Inc.4,692$2.31M0.09%+400+9.3%Added
PKO Investment Management Joint-Stock Co4,700$2.31M0.19%−100−2.1%Reduced
DoubleLine ETF Adviser LP4,704$2.31M0.88%+4,704New
Mission Wealth Management, LP4,755$2.34M0.05%+58+1.2%Added
Convergence Financial, LLC4,756$2.34M0.25%+2,343+97.1%Added
Greater Midwest Financial Group, LLC4,817$2.37M1.27%+144+3.1%Added
Peak Asset Management, LLC4,824$2.37M0.42%+134+2.9%Added
RiverFront Investment Group, LLC4,831$2.37M0.04%+138+2.9%Added
Generali Investments, Management Co LLC4,837$2.38M0.55%−876−15.3%Reduced
Private Trust Co NA4,853$2.39M0.21%+75+1.6%Added
Rossmore Private Capital4,865$2.39M0.21%+152+3.2%Added
Pacifica Partners Inc.4,871$2.39M0.79%−241−4.7%Reduced
Aries Wealth Management4,896$2.41M0.53%−28−0.6%Reduced
Paradigm Asset Management Co LLC4,900$2.41M0.56%00.0%Unchanged
Sterling Capital Management LLC4,909$2.41M0.05%−133−2.6%Reduced
Venture Visionary Partners LLC4,916$2.42M0.08%+217+4.6%Added
Angeles Wealth Management, LLC4,914$2.42M0.13%+37+0.8%Added
Karras Company, Inc.4,922$2.42M2.45%+186+3.9%Added
Arrow Financial Corp4,940$2.43M0.24%−183−3.6%Reduced
Hancock Whitney Corp5,094$2.44M0.04%−157−3.0%Reduced
Syntax Research, Inc.4,982$2.45M1.56%+434+9.5%Added
WSFS Capital Management, LLC4,987$2.45M0.12%−62−1.2%Reduced
Viking Fund Management LLC5,000$2.46M0.25%00.0%Unchanged
Canal Insurance CO5,000$2.46M0.53%00.0%Unchanged
Signal Advisors Wealth, LLC5,009$2.46M0.17%+200+4.2%Added
Belpointe Asset Management LLC5,014$2.46M0.09%+144+3.0%Added
Hunter Perkins Capital Management, LLC5,029$2.47M0.58%+69+1.4%Added
Meiji Yasuda Life Insurance Co5,068$2.49M0.09%00.0%Unchanged
Independent Financial Group, LLC5,073$2.49M0.06%+1,606+46.3%Added
Courier Capital LLC5,097$2.51M0.14%−297−5.5%Reduced
Tilia Fiduciary Partners, Inc.5,112$2.51M1.38%+250+5.1%Added
Middleton & Co Inc5,137$2.52M0.29%00.0%Unchanged
Sound View Wealth Advisors Group, LLC5,140$2.53M0.17%+133+2.7%Added
Avantax Planning Partners, Inc.5,188$2.55M0.07%+122+2.4%Added
Avestar Capital, LLC5,199$2.56M0.18%−27−0.5%Reduced
Hedeker Wealth, LLC5,210$2.56M0.54%−255−4.7%Reduced
Atomi Financial Group, Inc.5,214$2.56M0.08%−5,851−52.9%Reduced
KCM Investment Advisors LLC5,220$2.57M0.09%−107−2.0%Reduced
Circle Wealth Management, LLC5,235$2.57M0.04%+612+13.2%Added
Change Path, LLC5,240$2.58M0.06%+202+4.0%Added
Titiun Yejiel5,241$2.58M2.61%+3,641+227.6%Added
Citizens National Bank Trust Department5,255$2.58M0.43%−148−2.7%Reduced
Chelsea Counsel Co5,255$2.59M1.15%−135−2.5%Reduced
Dynamic Advisor Solutions LLC5,270$2.59M0.08%+351+7.1%Added
IFP Advisors, Inc5,291$2.60M0.05%−42−0.8%Reduced
Front Row Advisors LLC5,290$2.60M0.88%+5+0.1%Added
Coastal Bridge Advisors, LLC5,300$2.61M0.18%+83+1.6%Added
Tred Avon Family Wealth, LLC5,311$2.61M0.87%+163+3.2%Added
Leavell Investment Management, Inc.5,311$2.61M0.11%00.0%Unchanged
Golden State Equity Partners5,319$2.61M0.20%+2,685+101.9%Added
NVWM, LLC5,332$2.62M0.58%+4+0.1%Added
AE Wealth Management LLC5,350$2.63M0.01%+93+1.8%Added
Marietta Investment Partners LLC5,361$2.64M0.53%−1,220−18.5%Reduced
Davenport & Co LLC5,404$2.66M0.01%+334+6.6%Added
Chapman Financial Group, LLC5,406$2.66M1.90%−23−0.4%Reduced
Pflug Koory, LLC5,411$2.66M1.22%+12+0.2%Added
We Are One Seven, LLC5,414$2.66M0.05%+257+5.0%Added
Ellsworth Advisors, LLC5,427$2.67M0.50%+5,427New
Gladstone Institutional Advisory LLC5,434$2.67M0.10%+2,107+63.3%Added
Cornell Pochily Investment Advisors, Inc.5,443$2.68M0.79%−46−0.8%Reduced
Modern Wealth Management, LLC5,422$2.68M0.05%+592+12.3%Added
RMR Wealth Builders5,473$2.69M0.21%+946+20.9%Added
VestGen Advisors, LLC5,865$2.69M0.08%+502+9.4%Added
Umpqua Bank5,493$2.70M0.77%−152−2.7%Reduced
Nicollet Investment Management, Inc.5,504$2.71M0.93%−196−3.4%Reduced
Town & Country Bank & Trust CO dba First Bankers Trust CO5,515$2.71M0.92%+601+12.2%Added
University of Texas/Texas Am Investment Managment Co5,568$2.74M0.40%+3,961+246.5%Added
Pincus Capital Management, LP5,605$2.76M1.92%−161−2.8%Reduced
Connable Office Inc5,607$2.76M0.27%−99−1.7%Reduced
Geneos Wealth Management Inc.5,615$2.76M0.06%+636+12.8%Added
EagleClaw Capital Managment, LLC5,629$2.77M0.39%−605−9.7%Reduced
Fidelis Capital Partners, LLC5,684$2.79M0.20%−408−6.7%Reduced
Boomfish Wealth Group, LLC5,698$2.80M1.50%−10−0.2%Reduced
International Assets Investment Management, LLC5,675$2.81M0.19%−246−4.2%Reduced
Quattro Financial Advisors LLC5,705$2.81M0.85%+5+0.1%Added
Westover Capital Advisors, LLC5,727$2.82M0.52%−166−2.8%Reduced
Intrust Bank NA5,729$2.82M0.23%+82+1.5%Added
Flagship Harbor Advisors, LLC5,735$2.82M0.12%−15−0.3%Reduced
Birch Hill Investment Advisors LLC5,761$2.83M0.13%−5−0.1%Reduced
Community Bank, N.A.5,778$2.84M0.34%+220+4.0%Added
Ashton Thomas Securities, LLC5,780$2.84M0.36%−175−2.9%Reduced
Miracle Mile Advisors, LLC5,794$2.85M0.04%−109−1.8%Reduced
Vertrix Wealth Management, LLC5,806$2.85M1.05%+5,806New
D.A. Davidson & Co.5,833$2.87M0.02%+596+11.4%Added
SeaBridge Investment Advisors LLC5,846$2.87M0.49%−4,662−44.4%Reduced
Scott & Selber, Inc.5,880$2.89M0.75%−15−0.3%Reduced
Eastern Bank5,895$2.90M0.05%−311−5.0%Reduced
Fairtree Asset Management (Pty) Ltd5,903$2.90M1.33%−525−8.2%Reduced
Smithfield Trust Co5,934$2.90M0.13%−2,035−25.5%Reduced
Western Wealth Management, LLC5,918$2.91M0.11%+1,424+31.7%Added
Crawford Investment Counsel Inc5,921$2.91M0.05%−10−0.2%Reduced
Charter Trust Co5,926$2.91M0.17%−169−2.8%Reduced
Magnus Financial Group LLC5,949$2.92M0.24%+43+0.7%Added
Financial Engines Advisors L.L.C.5,993$2.95M0.01%−169−2.7%Reduced
Johnson Investment Counsel Inc5,998$2.95M0.02%−567−8.6%Reduced
BKD Wealth Advisors, LLC6,035$2.97M0.06%−996−14.2%Reduced
KMG Fiduciary Partners, LLC6,064$2.98M0.22%+246+4.2%Added
Engineers Gate Manager LP6,084$2.99M0.04%+6,084New
Smartleaf Asset Management LLC6,264$3.01M0.11%+284+4.7%Added