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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
2,707
+252 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
372
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: 2,707 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 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 20252,707$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, 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
Argent Capital Management LLC52,359$30.3M0.86%+16,439+45.8%Added
Badgley Phelps Wealth Managers, LLC52,349$30.3M0.56%+15,394+41.7%Added
Sumitomo Mitsui DS Asset Management Company, Ltd53,133$30.8M0.24%+1,560+3.0%Added
Pinnacle Financial Partners, Inc.53,169$30.8M0.23%+53,169New
America First Investment Advisors, LLC53,300$30.9M5.62%−2,422−4.3%Reduced
Sanctuary Advisors, LLC53,410$30.9M0.17%+1,514+2.9%Added
Massmutual Trust Co FSB53,574$31.0M0.80%−720−1.3%Reduced
Atwood & Palmer Inc54,177$31.4M1.78%+89+0.2%Added
J. Stern & Co. LLP31,509,332$31.5M2.69%+31,455,105+58,006.4%Added
C Partners Holding GmbH54,399$31.5M8.48%−5,044−8.5%Reduced
New York Life Investment Management LLC54,492$31.6M0.27%+3,252+6.3%Added
Bank Julius Baer & Co. Ltd, Zurich54,964$31.8M0.09%−6,880−11.1%Reduced
Federated Hermes, Inc.55,078$31.9M0.05%−8,611−13.5%Reduced
NorthCrest Asset Manangement, LLC52,435$32.0M0.72%−1,033−1.9%Reduced
Natixis55,479$32.1M0.13%−126,945−69.6%Reduced
National Mutual Insurance Federation of Agricultural Cooperatives55,900$32.4M0.24%00.0%Unchanged
Heritage Investors Management Corp56,433$32.7M0.95%−328−0.6%Reduced
Banque Transatlantique SA56,282$32.7M0.79%−57,066−50.3%Reduced
Howard Capital Management Group, LLC56,575$32.8M2.07%−916−1.6%Reduced
Neville Rodie & Shaw Inc56,886$33.0M2.33%+869+1.6%Added
Cornerstone Advisors, LLC57,100$33.1M1.10%00.0%Unchanged
Shufro Rose & Co LLC57,237$33.2M2.24%+770+1.4%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund57,433$33.3M0.28%−960−1.6%Reduced
Police & Firemen's Retirement System of New Jersey57,920$33.6M0.28%−2,863−4.7%Reduced
Capital International Ltd57,928$33.6M1.18%+1,855+3.3%Added
Aptus Capital Advisors, LLC57,944$33.6M0.29%+1,757+3.1%Added
Whittier Trust Co of Nevada Inc54,533$33.8M0.70%−1,130−2.0%Reduced
Smith, Salley & Associates58,727$34.0M1.69%−119−0.2%Reduced
Cohen Capital Management, Inc.58,728$34.0M5.13%00.0%Unchanged
Kames Capital plc58,972$34.2M0.41%−1,644−2.7%Reduced
NEOS Investment Management LLC59,047$34.2M0.20%+7,683+15.0%Added
Rockland Trust Co59,133$34.3M1.35%−4,859−7.6%Reduced
MAI Capital Management59,202$34.3M0.20%+8,177+16.0%Added
Xponance, Inc.59,295$34.4M0.26%+4,436+8.1%Added
Macquarie Group Ltd60,599$35.1M0.15%−293,036−82.9%Reduced
Polar Capital Holdings Plc61,164$35.4M0.16%+4,340+7.6%Added
Oppenheimer Asset Management Inc.61,270$35.5M0.44%+1,191+2.0%Added
North Star Asset Management Inc61,749$35.8M1.44%−305−0.5%Reduced
Bollard Group LLC62,000$35.9M0.94%−10.0%Reduced
Artemis Investment Management LLP62,173$36.0M0.44%+1,300+2.1%Added
Utah Retirement Systems62,394$36.2M0.34%−130.0%Reduced
Regions Financial Corp62,503$36.2M0.23%−2,138−3.3%Reduced
Munich Reinsurance Co Stock Corp in Munich62,250$36.3M0.88%+23,375+60.1%Added
Markel Group Inc.SuperinvestorMarkel Group62,800$36.4M0.29%+7,000+12.5%Added
Armistice Capital, LLC62,838$36.4M0.89%+7,822+14.2%Added
Varma Mutual Pension Insurance Co63,217$36.6M0.22%−2,700−4.1%Reduced
Private Wealth Partners, LLC63,314$36.7M2.60%−3,844−5.7%Reduced
USS Investment Management Ltd63,593$36.9M0.18%00.0%Unchanged
O'Shaughnessy Asset Management, LLC63,671$36.9M0.20%+19,305+43.5%Added
Commerzbank Aktiengesellschaft63,776$37.0M0.75%−257−0.4%Reduced
Fiduciary Trust Co63,885$37.0M0.42%−298−0.5%Reduced
Ironvine Capital Partners, LLC64,538$37.4M3.74%−210.0%Reduced
Advisors Capital Management, LLC64,680$37.5M0.44%−51,865−44.5%Reduced
Bellevue Group AG65,077$37.7M0.71%−41,108−38.7%Reduced
Quintet Private Bank (Europe) S.A.65,893$38.2M2.22%−1,080−1.6%Reduced
BLI - Banque de Luxembourg Investments65,660$38.3M1.12%−9,420−12.5%Reduced
Mediolanum International Funds Ltd66,300$38.7M0.39%−56,956−46.2%Reduced
Thrivent Financial for Lutherans66,948$38.8M0.07%−1,611−2.3%Reduced
Nexus Investment Management ULC67,297$39.0M5.31%−240−0.4%Reduced
Ilmarinen Mutual Pension Insurance Co67,300$39.0M0.31%00.0%Unchanged
Arvin Capital Management LP67,800$39.3M8.46%−14,670−17.8%Reduced
Aquatic Capital Management LLC69,080$40.0M1.14%−30,631−30.7%Reduced
Daiwa Securities Group Inc.69,355$40.2M0.13%−3,320−4.6%Reduced
Amalgamated Bank69,800$40.4M0.29%−1,914−2.7%Reduced
BNP Paribas69,756$40.5M1.16%+5,799+9.1%Added
Spinecap SAS70,028$40.6M17.44%−3,416−4.7%Reduced
First Trust Advisors LP70,102$40.6M0.03%+5,445+8.4%Added
Huntington National Bank70,671$40.9M0.25%−9,727−12.1%Reduced
Alta Capital Management LLC70,766$41.0M2.73%−16,022−18.5%Reduced
ProShare Advisors LLC71,300$41.3M0.07%+5,554+8.4%Added
IFM Investors Pty Ltd72,554$42.0M0.35%+505+0.7%Added
Gotham Asset Management, LLC72,758$42.2M0.15%+982+1.4%Added
Klingenstein Fields & Co LP72,766$42.2M1.58%−401−0.5%Reduced
Silvercrest Asset Management Group LLC73,422$42.5M0.29%−11,165−13.2%Reduced
Aristotle Atlantic Partners, LLC73,608$42.7M1.95%−1,040−1.4%Reduced
Magellan Asset Management Ltd75,582$43.8M0.53%−34,165−31.1%Reduced
Howland Capital Management LLC76,207$44.2M1.68%+476+0.6%Added
PensionDanmark Pensionsforsikringsaktieselskab76,714$44.5M0.40%+76,714New
Aureus Asset Management, LLC76,833$44.5M2.84%−250−0.3%Reduced
Williams Jones Wealth Management, LLC.77,752$45.1M0.51%−2,374−3.0%Reduced
Pathstone Holdings, LLC78,141$45.3M0.17%+16,698+27.2%Added
GuoLine Advisory Pte Ltd78,800$45.7M4.20%00.0%Unchanged
Braidwell LP80,725$46.8M1.50%−33,208−29.1%Reduced
Tocqueville Asset Management L.P.80,731$46.8M0.68%−4,314−5.1%Reduced
Mill Capital Management, LLC80,826$46.8M3.38%+521+0.6%Added
Commonwealth Equity Services, LLC81,787$47.4M0.06%−9,838−10.7%Reduced
Henshaw Capital LLC82,609$47.9M1.72%00.0%Unchanged
Forsta Ap-Fonden82,610$47.9M0.29%+3,040+3.8%Added
Northeast Investment Management82,835$48.0M1.88%−579−0.7%Reduced
Ofi Invest Asset Management97,249$48.0M0.69%−10,792−10.0%Reduced
Americana Partners, LLC83,366$48.3M1.33%−839−1.0%Reduced
Milford Funds Ltd83,717$48.5M0.95%+83,717New
Factory Mutual Insurance Co84,085$48.7M0.49%−14,850−15.0%Reduced
Mesirow Financial Investment Management, Inc.84,420$48.9M1.00%−4,991−5.6%Reduced
Advisor Group Holdings, Inc.84,569$49.0M0.07%−11,551−12.0%Reduced
Glenmede Trust Co NA85,457$49.5M0.23%+85,457New
ZWJ Investment Counsel Inc85,529$49.6M1.79%+1,850+2.2%Added
Marathon Asset Mgmt Ltd85,546$49.6M1.91%−7,256−7.8%Reduced
Guinness Asset Management LTD84,931$49.7M0.81%−260.0%Reduced
Captrust Financial Advisors86,732$50.3M0.10%+1,025+1.2%Added