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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
Lummis Asset Management, LP6,370$3.10M1.85%−138−2.1%Reduced
Levin Capital Strategies, L.P.6,291$3.09M0.24%+138+2.2%Added
Anchor Investment Management, LLC6,272$3.08M0.26%−235−3.6%Reduced
Family Management Corp6,259$3.08M0.37%+5,886+1,578.0%Added
Atlantic Edge Private Wealth Management, LLC6,246$3.07M0.76%−35−0.6%Reduced
Security National Bank of Sioux City Iowa6,223$3.06M1.81%−266−4.1%Reduced
TCW Group Inc6,213$3.05M0.02%+273+4.6%Added
Clearstead Advisors, LLC6,212$3.05M0.03%−926−13.0%Reduced
Arjuna Capital6,210$3.05M0.78%−373−5.7%Reduced
Procyon Private Wealth Partners, LLC6,170$3.03M0.15%−208−3.3%Reduced
Integrated Wealth Concepts LLC6,163$3.03M0.02%+2,259+57.9%Added
Legacy Wealth Management, LLC6,130$3.01M0.86%−1,993−24.5%Reduced
Smartleaf Asset Management LLC6,264$3.01M0.11%+284+4.7%Added
Engineers Gate Manager LP6,084$2.99M0.04%+6,084New
KMG Fiduciary Partners, LLC6,064$2.98M0.22%+246+4.2%Added
BKD Wealth Advisors, LLC6,035$2.97M0.06%−996−14.2%Reduced
Johnson Investment Counsel Inc5,998$2.95M0.02%−567−8.6%Reduced
Financial Engines Advisors L.L.C.5,993$2.95M0.01%−169−2.7%Reduced
Magnus Financial Group LLC5,949$2.92M0.24%+43+0.7%Added
Charter Trust Co5,926$2.91M0.17%−169−2.8%Reduced
Crawford Investment Counsel Inc5,921$2.91M0.05%−10−0.2%Reduced
Western Wealth Management, LLC5,918$2.91M0.11%+1,424+31.7%Added
Smithfield Trust Co5,934$2.90M0.13%−2,035−25.5%Reduced
Fairtree Asset Management (Pty) Ltd5,903$2.90M1.33%−525−8.2%Reduced
Eastern Bank5,895$2.90M0.05%−311−5.0%Reduced
Scott & Selber, Inc.5,880$2.89M0.75%−15−0.3%Reduced
SeaBridge Investment Advisors LLC5,846$2.87M0.49%−4,662−44.4%Reduced
D.A. Davidson & Co.5,833$2.87M0.02%+596+11.4%Added
Vertrix Wealth Management, LLC5,806$2.85M1.05%+5,806New
Miracle Mile Advisors, LLC5,794$2.85M0.04%−109−1.8%Reduced
Ashton Thomas Securities, LLC5,780$2.84M0.36%−175−2.9%Reduced
Community Bank, N.A.5,778$2.84M0.34%+220+4.0%Added
Birch Hill Investment Advisors LLC5,761$2.83M0.13%−5−0.1%Reduced
Flagship Harbor Advisors, LLC5,735$2.82M0.12%−15−0.3%Reduced
Intrust Bank NA5,729$2.82M0.23%+82+1.5%Added
Westover Capital Advisors, LLC5,727$2.82M0.52%−166−2.8%Reduced
Quattro Financial Advisors LLC5,705$2.81M0.85%+5+0.1%Added
International Assets Investment Management, LLC5,675$2.81M0.19%−246−4.2%Reduced
Boomfish Wealth Group, LLC5,698$2.80M1.50%−10−0.2%Reduced
Fidelis Capital Partners, LLC5,684$2.79M0.20%−408−6.7%Reduced
EagleClaw Capital Managment, LLC5,629$2.77M0.39%−605−9.7%Reduced
Geneos Wealth Management Inc.5,615$2.76M0.06%+636+12.8%Added
Connable Office Inc5,607$2.76M0.27%−99−1.7%Reduced
Pincus Capital Management, LP5,605$2.76M1.92%−161−2.8%Reduced
University of Texas/Texas Am Investment Managment Co5,568$2.74M0.40%+3,961+246.5%Added
Town & Country Bank & Trust CO dba First Bankers Trust CO5,515$2.71M0.92%+601+12.2%Added
Nicollet Investment Management, Inc.5,504$2.71M0.93%−196−3.4%Reduced
Umpqua Bank5,493$2.70M0.77%−152−2.7%Reduced
VestGen Advisors, LLC5,865$2.69M0.08%+502+9.4%Added
RMR Wealth Builders5,473$2.69M0.21%+946+20.9%Added
Modern Wealth Management, LLC5,422$2.68M0.05%+592+12.3%Added
Cornell Pochily Investment Advisors, Inc.5,443$2.68M0.79%−46−0.8%Reduced
Gladstone Institutional Advisory LLC5,434$2.67M0.10%+2,107+63.3%Added
Ellsworth Advisors, LLC5,427$2.67M0.50%+5,427New
We Are One Seven, LLC5,414$2.66M0.05%+257+5.0%Added
Pflug Koory, LLC5,411$2.66M1.22%+12+0.2%Added
Chapman Financial Group, LLC5,406$2.66M1.90%−23−0.4%Reduced
Davenport & Co LLC5,404$2.66M0.01%+334+6.6%Added
Marietta Investment Partners LLC5,361$2.64M0.53%−1,220−18.5%Reduced
AE Wealth Management LLC5,350$2.63M0.01%+93+1.8%Added
NVWM, LLC5,332$2.62M0.58%+4+0.1%Added
Golden State Equity Partners5,319$2.61M0.20%+2,685+101.9%Added
Leavell Investment Management, Inc.5,311$2.61M0.11%00.0%Unchanged
Tred Avon Family Wealth, LLC5,311$2.61M0.87%+163+3.2%Added
Coastal Bridge Advisors, LLC5,300$2.61M0.18%+83+1.6%Added
Front Row Advisors LLC5,290$2.60M0.88%+5+0.1%Added
IFP Advisors, Inc5,291$2.60M0.05%−42−0.8%Reduced
Dynamic Advisor Solutions LLC5,270$2.59M0.08%+351+7.1%Added
Chelsea Counsel Co5,255$2.59M1.15%−135−2.5%Reduced
Citizens National Bank Trust Department5,255$2.58M0.43%−148−2.7%Reduced
Titiun Yejiel5,241$2.58M2.61%+3,641+227.6%Added
Change Path, LLC5,240$2.58M0.06%+202+4.0%Added
Circle Wealth Management, LLC5,235$2.57M0.04%+612+13.2%Added
KCM Investment Advisors LLC5,220$2.57M0.09%−107−2.0%Reduced
Atomi Financial Group, Inc.5,214$2.56M0.08%−5,851−52.9%Reduced
Hedeker Wealth, LLC5,210$2.56M0.54%−255−4.7%Reduced
Avestar Capital, LLC5,199$2.56M0.18%−27−0.5%Reduced
Avantax Planning Partners, Inc.5,188$2.55M0.07%+122+2.4%Added
Sound View Wealth Advisors Group, LLC5,140$2.53M0.17%+133+2.7%Added
Middleton & Co Inc5,137$2.52M0.29%00.0%Unchanged
Tilia Fiduciary Partners, Inc.5,112$2.51M1.38%+250+5.1%Added
Courier Capital LLC5,097$2.51M0.14%−297−5.5%Reduced
Independent Financial Group, LLC5,073$2.49M0.06%+1,606+46.3%Added
Meiji Yasuda Life Insurance Co5,068$2.49M0.09%00.0%Unchanged
Hunter Perkins Capital Management, LLC5,029$2.47M0.58%+69+1.4%Added
Belpointe Asset Management LLC5,014$2.46M0.09%+144+3.0%Added
Signal Advisors Wealth, LLC5,009$2.46M0.17%+200+4.2%Added
Canal Insurance CO5,000$2.46M0.53%00.0%Unchanged
Viking Fund Management LLC5,000$2.46M0.25%00.0%Unchanged
WSFS Capital Management, LLC4,987$2.45M0.12%−62−1.2%Reduced
Syntax Research, Inc.4,982$2.45M1.56%+434+9.5%Added
Hancock Whitney Corp5,094$2.44M0.04%−157−3.0%Reduced
Arrow Financial Corp4,940$2.43M0.24%−183−3.6%Reduced
Karras Company, Inc.4,922$2.42M2.45%+186+3.9%Added
Angeles Wealth Management, LLC4,914$2.42M0.13%+37+0.8%Added
Venture Visionary Partners LLC4,916$2.42M0.08%+217+4.6%Added
Sterling Capital Management LLC4,909$2.41M0.05%−133−2.6%Reduced
Paradigm Asset Management Co LLC4,900$2.41M0.56%00.0%Unchanged
Aries Wealth Management4,896$2.41M0.53%−28−0.6%Reduced
Pacifica Partners Inc.4,871$2.39M0.79%−241−4.7%Reduced