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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
Sanibel Captiva Trust Company, Inc.1,729$1.00M0.03%+72+4.3%Added
Marino, Stram & Associates LLC1,730$1.00M0.18%−47−2.6%Reduced
JM2 Capital Inc.1,732$1.00M0.81%+1,732New
Tompkins Financial Corp1,742$1.01M0.08%+35+2.1%Added
Tectonic Advisors LLC1,746$1.01M0.05%−107−5.8%Reduced
Johnson Financial Group, Inc.1,746$1.01M0.04%+22+1.3%Added
SG Trading Solutions, LLC1,748$1.01M0.24%+1,748New
EverSource Wealth Advisors, LLC1,749$1.01M0.04%−125−6.7%Reduced
Worth Financial Advisory Group, LLC1,750$1.01M0.49%−15−0.8%Reduced
Tranquility Partners, LLC1,762$1.02M0.37%−465−20.9%Reduced
Essex Savings Bank1,763$1.02M0.22%+30+1.7%Added
Winthrop Capital Management, LLC1,764$1.02M0.24%−57−3.1%Reduced
Grove Bank & Trust1,783$1.03M0.12%+503+39.3%Added
RFG Advisory, LLC1,788$1.04M0.02%−334−15.7%Reduced
Aprio Wealth Management, LLC1,727$1.04M0.06%+348+25.2%Added
Monetta Financial Services Inc1,800$1.04M0.75%+1,800New
First Pacific Financial1,804$1.05M0.14%−84−4.4%Reduced
Lionshead Wealth Management, LLC1,825$1.06M0.79%+13+0.7%Added
Westwood Wealth Management1,825$1.06M0.79%+1,825New
PeakShares LLC1,836$1.06M1.04%+1,836New
Everhart Financial Group, Inc.1,844$1.07M0.10%+449+32.2%Added
Clear Creek Financial Management, LLC1,847$1.07M0.09%−31−1.7%Reduced
Burney Co1,848$1.07M0.03%+449+32.1%Added
Kanawha Capital Management LLC1,854$1.07M0.07%−82−4.2%Reduced
Summit Global Investments1,857$1.08M0.06%+1,857New
LCM Capital Management Inc1,873$1.09M0.52%−159−7.8%Reduced
Frec Markets, Inc.1,873$1.09M0.32%+1,873New
Field & Main Bank1,877$1.09M0.31%−45−2.3%Reduced
Klingman & Associates, LLC1,879$1.09M0.05%+30+1.6%Added
Bahl & Gaynor Inc1,892$1.10M0.01%00.0%Unchanged
One Capital Management, LLC1,897$1.10M0.03%+14+0.7%Added
Chicago Trust Co NA1,902$1.10M0.17%+45+2.4%Added
Strong Retirement Solutions LLC1,902$1.10M0.74%+1,902New
Bank of New Hampshire1,904$1.10M0.25%+647+51.5%Added
CM Wealth Advisors LLC1,905$1.10M0.25%+601+46.1%Added
Stock Yards Bank & Trust Co1,910$1.11M0.03%−26−1.3%Reduced
Kirtland Hills Capital Management, LLC1,926$1.12M0.39%+33+1.7%Added
Calamos Wealth Management LLC1,928$1.12M0.04%+443+29.8%Added
Rench Wealth Management, Inc.1,938$1.12M0.33%+1,162+149.7%Added
Resonant Capital Advisors, LLC1,941$1.13M0.06%+89+4.8%Added
Beck Mack & Oliver LLC1,945$1.13M0.02%00.0%Unchanged
Financial Security Advisor, Inc.1,945$1.13M0.22%+249+14.7%Added
Wedmont Private Capital1,829$1.13M0.04%+145+8.6%Added
Compton Wealth Advisory Group, LLC1,949$1.13M0.25%−7−0.4%Reduced
Michael B. Yongue1,952$1.13M0.78%−1−0.1%Reduced
Leonteq Securities AG1,956$1.13M0.06%−3,227−62.3%Reduced
Turtle Creek Wealth Advisors, LLC1,962$1.14M0.09%+173+9.7%Added
Hazlett, Burt & Watson, Inc.1,964$1.14M0.36%+244+14.2%Added
AXA S.A.1,963$1.14M0.54%−338−14.7%Reduced
Cypress Advisory Group LLC1,970$1.14M0.84%00.0%Unchanged
Renasant Bank1,989$1.15M0.78%−532−21.1%Reduced
Biltmore Family Office, LLC1,988$1.15M0.16%+407+25.7%Added
Fairfield, Bush & Co.1,990$1.15M0.61%−78−3.8%Reduced
Ally Financial Inc.2,000$1.16M0.14%−21,500−91.5%Reduced
Mitsubishi UFJ Asset Management (UK) Ltd.2,000$1.16M0.56%+2,000New
Central Bank & Trust Co2,006$1.16M0.18%−83−4.0%Reduced
Arbor Capital Management Inc1,932$1.16M0.98%−229−10.6%Reduced
Manchester Capital Management LLC2,012$1.17M0.16%+101+5.3%Added
Centerpoint Advisors, LLC2,015$1.17M0.36%00.0%Unchanged
Sapient Capital LLC2,008$1.17M0.02%+712+54.9%Added
Keeler Thomas Management LLC2,026$1.17M0.56%−10−0.5%Reduced
Relyea Zuckerberg Hanson LLC2,040$1.18M0.12%+100+5.2%Added
Bigelow Investment Advisors, LLC2,041$1.18M0.46%+39+1.9%Added
Ausdal Financial Partners, Inc.2,041$1.18M0.05%+1,091+114.8%Added
Cyndeo Wealth Partners, LLC2,053$1.19M0.06%−7−0.3%Reduced
AMG National Trust Bank2,054$1.19M0.03%−10−0.5%Reduced
Future Fund LLC2,057$1.19M0.42%−273−11.7%Reduced
Legacy Financial Advisors, Inc.2,058$1.19M0.16%+230+12.6%Added
New Republic Capital, LLC2,058$1.19M0.32%+1,166+130.7%Added
Beaumont Financial Advisors, LLC2,065$1.20M0.08%−651−24.0%Reduced
McLaughlin Asset Management, Inc.2,075$1.20M1.08%+2,075New
City Holding Co2,079$1.20M0.15%−202−8.9%Reduced
West Branch Capital LLC2,097$1.22M0.31%−207−9.0%Reduced
Capital Management Associates2,100$1.22M1.78%+800+61.5%Added
Fox Run Management, L.L.C.2,101$1.22M0.19%+2,101New
Hirtle Callaghan & Co LLC2,103$1.22M0.04%+25+1.2%Added
LMCG Investments, LLC2,105$1.22M0.07%−8−0.4%Reduced
TigerOak Management, L.L.C.2,109$1.22M0.37%−102−4.6%Reduced
Oakworth Capital, Inc.2,114$1.22M0.07%+12+0.6%Added
Stratos Wealth Advisors, LLC2,117$1.23M0.06%−309−12.7%Reduced
Integrity Alliance, LLC.2,122$1.23M0.05%−1,528−41.9%Reduced
Wellspring Financial Advisors, LLC2,130$1.23M0.10%+1,684+377.6%Added
Personal Cfo Solutions, LLC2,134$1.24M0.20%+107+5.3%Added
Dougherty & Associates, LLC2,135$1.24M1.11%+2,135New
Rehmann Capital Advisory Group2,136$1.24M0.06%+34+1.6%Added
Landscape Capital Management, L.L.C.2,139$1.24M0.08%+2,139New
SCS Capital Management LLC2,139$1.24M0.01%+85+4.1%Added
Optas, LLC2,144$1.24M0.19%+37+1.8%Added
SummitTX Capital, L.P.2,145$1.24M0.04%−5,667−72.5%Reduced
Emprise Bank2,146$1.24M0.52%−80−3.6%Reduced
Legacy Bridge, LLC2,152$1.25M0.51%00.0%Unchanged
Ellevest, Inc.2,155$1.25M0.17%−95−4.2%Reduced
Red Door Wealth Management, LLC2,156$1.25M0.13%+18+0.8%Added
Gaddis Premier Wealth Advisors LLC2,165$1.25M0.95%+2,165New
Portside Wealth Group, LLC2,170$1.26M0.17%+168+8.4%Added
Integrated Advisors Network LLC2,170$1.26M0.06%+458+26.8%Added
Old West Investment Management, LLC2,180$1.26M0.23%00.0%Unchanged
71 West Capital Partners2,187$1.27M0.06%+2,187New
New England Research & Management, Inc.2,193$1.27M0.56%−210−8.7%Reduced
Catalyst Financial Partners LLC2,211$1.28M0.14%+369+20.0%Added