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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
Stratos Wealth Advisors, LLC2,316$1.14M0.07%+199+9.4%Added
Quent Capital, LLC2,312$1.14M0.08%−455−16.4%Reduced
Savvy Advisors, Inc.2,305$1.13M0.03%−155−6.3%Reduced
Cullinan Associates Inc2,300$1.13M0.09%00.0%Unchanged
Old West Investment Management, LLC2,288$1.12M0.12%+108+5.0%Added
Dumont & Blake Investment Advisors LLC2,281$1.12M0.28%−38−1.6%Reduced
Linscomb & Williams, Inc.2,273$1.12M0.05%+940+70.5%Added
Portside Wealth Group, LLC2,273$1.12M0.15%+103+4.7%Added
Canton Hathaway, LLC2,271$1.12M0.23%00.0%Unchanged
Independent Family Office, LLC2,257$1.11M0.46%00.0%Unchanged
AMG National Trust Bank2,252$1.11M0.02%+198+9.6%Added
One Capital Management, LLC2,250$1.11M0.03%+353+18.6%Added
Catalyst Financial Partners LLC2,243$1.10M0.13%+32+1.4%Added
PeakShares LLC2,241$1.10M1.01%+405+22.1%Added
Capstone Investment Advisors, LLC2,235$1.10M0.01%+744+49.9%Added
Platform Technology Partners2,228$1.10M0.21%−19−0.8%Reduced
Bank Ozk2,224$1.09M0.39%−146−6.2%Reduced
Integrated Advisors Network LLC2,222$1.09M0.06%+52+2.4%Added
Pinnacle Wealth Planning Services, Inc.2,215$1.09M0.11%−13−0.6%Reduced
Financial Security Advisor, Inc.2,206$1.09M0.20%+261+13.4%Added
Ancora Advisors, LLC2,196$1.08M0.02%−15−0.7%Reduced
Laraway Financial Inc2,188$1.08M0.76%−125−5.4%Reduced
Red Door Wealth Management, LLC2,182$1.07M0.11%+26+1.2%Added
Insigneo Advisory Services, LLC2,176$1.07M0.08%−207−8.7%Reduced
Gaddis Premier Wealth Advisors LLC2,165$1.06M0.79%00.0%Unchanged
Sanibel Captiva Trust Company, Inc.2,163$1.06M0.03%+434+25.1%Added
LMCG Investments, LLC2,152$1.06M0.06%+47+2.2%Added
Bridgewater Advisors Inc.2,368$1.06M0.06%−42−1.7%Reduced
Resonant Capital Advisors, LLC2,146$1.06M0.06%+205+10.6%Added
Acadian Asset Management LLC2,127$1.04M0.00%−1,100−34.1%Reduced
Strong Retirement Solutions LLC2,125$1.04M0.73%+223+11.7%Added
Legacy Bridge, LLC2,115$1.04M0.40%−37−1.7%Reduced
Seelaus Asset Management LLC2,109$1.04M0.75%+392+22.8%Added
Oakworth Capital, Inc.2,108$1.04M0.05%−6−0.3%Reduced
Main Street Financial Solutions, LLC2,107$1.04M0.08%−470−18.2%Reduced
TigerOak Management, L.L.C.2,105$1.03M0.33%−4−0.2%Reduced
Capital Management Associates2,100$1.03M1.71%00.0%Unchanged
Rehmann Capital Advisory Group2,098$1.03M0.05%−38−1.8%Reduced
Wealth Alliance2,095$1.03M0.10%−152−6.8%Reduced
Calamos Wealth Management LLC2,091$1.03M0.04%+163+8.5%Added
Headinvest, LLC2,078$1.02M0.21%−568−21.5%Reduced
Michael B. Yongue2,077$1.02M0.74%+125+6.4%Added
Future Fund LLC2,070$1.02M0.36%+13+0.6%Added
Lecap Asset Management Ltd2,066$1.02M0.38%+2,066New
Bigelow Investment Advisors, LLC2,065$1.02M0.41%+24+1.2%Added
111 Capital2,065$1.02M0.25%+916+79.7%Added
Cidel Asset Management Inc2,054$1.01M0.06%+404+24.5%Added
Emprise Bank2,047$1.01M0.40%−99−4.6%Reduced
Hazlett, Burt & Watson, Inc.2,052$1.00M0.31%+88+4.5%Added
Dutch Asset Corp2,043$1.00M0.67%+509+33.2%Added
U.S. Capital Wealth Advisors, LLC2,042$1.00M0.03%+428+26.5%Added
Hirtle Callaghan & Co LLC2,042$1.00M0.03%−61−2.9%Reduced
Avidian Wealth Solutions, LLC2,041$1.00M0.03%+669+48.8%Added
McLaughlin Asset Management, Inc.2,041$1.00M0.96%−34−1.6%Reduced
Everhart Financial Group, Inc.2,040$1.00M0.09%+196+10.6%Added
Athena Wealth Management, LLC2,035$1.00M0.82%+707+53.2%Added
Optas, LLC2,030$997.8K0.15%−114−5.3%Reduced
Dougherty & Associates, LLC2,029$997.8K0.92%−106−5.0%Reduced
Arbor Capital Management Inc1,947$997.1K0.81%+15+0.8%Added
E Fund Management Co., Ltd.2,021$993.4K0.03%+2,021New
Signature Wealth Management Group2,020$992.9K0.38%+2,020New
Centerpoint Advisors, LLC2,015$990.0K0.32%00.0%Unchanged
Cypress Advisory Group LLC2,011$988.5K0.75%+41+2.1%Added
Biltmore Family Office, LLC2,009$988.4K0.14%+21+1.1%Added
Dorsey Wright & Associates2,001$983.6K0.12%+2,001New
TRB Wealth Management, LLC1,985$976.7K0.14%+1,985New
Manchester Capital Management LLC1,984$975.2K0.14%−28−1.4%Reduced
Legacy Financial Advisors, Inc.1,980$973.0K0.14%−78−3.8%Reduced
Integrity Alliance, LLC.1,972$969.4K0.04%−150−7.1%Reduced
Keating Investment Counselors Inc1,968$967.3K0.24%−825−29.5%Reduced
Solstein Capital, LLC1,964$965.4K0.40%−1,700−46.4%Reduced
Aprio Wealth Management, LLC1,962$964.5K0.05%+235+13.6%Added
Sax Wealth Advisors, LLC1,663$963.6K0.05%−53−3.1%Reduced
SCS Capital Management LLC1,953$960.8K0.01%−186−8.7%Reduced
Kirtland Hills Capital Management, LLC1,857$959.7K0.31%−69−3.6%Reduced
Fairfield, Bush & Co.1,950$958.5K0.53%−40−2.0%Reduced
Trust Point Inc.1,947$957.0K0.08%+427+28.1%Added
Bank of New Hampshire1,947$957.0K0.22%+43+2.3%Added
Beck Mack & Oliver LLC1,945$956.0K0.02%00.0%Unchanged
Klingman & Associates, LLC1,944$955.5K0.05%+65+3.5%Added
Ellevest, Inc.1,943$955.0K0.13%−212−9.8%Reduced
K.J. Harrison & Partners Inc1,938$952.6K0.16%−3,010−60.8%Reduced
Heartland Bank & Trust Co1,928$947.7K0.21%+444+29.9%Added
Nilsine Partners, LLC2,015$943.1K0.07%−652−24.4%Reduced
Kingswood Wealth Advisors, LLC1,915$941.3K0.04%+443+30.1%Added
Renasant Bank1,914$940.8K0.67%−75−3.8%Reduced
Segment Wealth Management, LLC1,903$935.4K0.05%+315+19.8%Added
CM Wealth Advisors LLC1,896$932.8K0.20%−9−0.5%Reduced
LCM Capital Management Inc1,896$932.0K0.47%+23+1.2%Added
BIP Wealth, LLC1,896$931.9K0.04%+297+18.6%Added
First Affirmative Financial Network1,894$930.8K0.36%+1,894New
StoneX Group Inc.1,890$929.5K0.05%−1,609−46.0%Reduced
Chicago Partners Investment Group LLC1,802$926.3K0.02%+756+72.3%Added
Grove Bank & Trust1,881$924.6K0.10%+98+5.5%Added
Monetary Management Group Inc1,870$919.2K0.22%−935−33.3%Reduced
Stock Yards Bank & Trust Co1,850$909.3K0.03%−60−3.1%Reduced
Winthrop Capital Management, LLC1,845$907.0K0.23%+81+4.6%Added
Kanawha Capital Management LLC1,844$906.4K0.06%−10−0.5%Reduced
Wedmont Private Capital1,799$905.8K0.03%−30−1.6%Reduced
First Pacific Financial1,839$904.1K0.12%+35+1.9%Added