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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, Q3 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Sep 30, 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
2,515
+95 vs. Q2 2025
Shares held
331.9M
+1.37M (+0.4%) vs. Q2 2025
Total value
$160.7B
+$27.5B (+20.6%) vs. Q2 2025
New holders
241
981 more added
Sold out
146
958 more reduced

40 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 2,515 institutions
Q1 2021: 2,046 institutionsQ2 2021: 2,082 institutionsQ3 2021: 2,135 institutionsQ4 2021: 2,347 institutionsQ1 2022: 2,321 institutionsQ2 2022: 2,287 institutionsQ3 2022: 2,270 institutionsQ4 2022: 2,379 institutionsQ1 2023: 2,391 institutionsQ2 2023: 2,392 institutionsQ3 2023: 2,370 institutionsQ4 2023: 2,496 institutionsQ1 2024: 2,535 institutionsQ2 2024: 2,554 institutionsQ3 2024: 2,580 institutionsQ4 2024: 2,625 institutionsQ1 2025: 2,577 institutionsQ2 2025: 2,460 institutionsQ3 2025: 2,515 institutionsQ4 2025: 2,708 institutionsQ1 2026: 2,612 institutionsQ2 2026: 2,628 institutions
Value heldQ3 2025: $160.7B
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 20252,708$199.1B
Q3 20252,515$160.7B
Q2 20252,460$135.6B
Q1 20252,577$167.8B
Q4 20242,625$176.4B
Q3 20242,580$208.3B
Q2 20242,554$187.5B
Q1 20242,535$196.3B
Q4 20232,496$181.6B
Q3 20232,370$173.1B
Q2 20232,392$177.8B
Q1 20232,391$196.1B
Q4 20222,379$190.1B
Q3 20222,270$175.3B
Q2 20222,287$186.4B
Q1 20222,321$203.3B
Q4 20212,347$230.1B
Q3 20212,135$197.5B
Q2 20212,082$172.9B
Q1 20212,046$157.2B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q2 2025.

Institutions holding TMO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Capital International Ltd56,073$27.2M0.98%−813−1.4%Reduced
Neville Rodie & Shaw Inc56,017$27.2M1.96%−9,504−14.5%Reduced
National Mutual Insurance Federation of Agricultural Cooperatives55,900$27.1M0.21%00.0%Unchanged
Markel Group Inc.SuperinvestorMarkel Group55,800$27.1M0.22%+6,250+12.6%Added
America First Investment Advisors, LLC55,722$27.0M5.02%−179−0.3%Reduced
Armistice Capital, LLC55,016$26.7M0.84%+25,052+83.6%Added
Xponance, Inc.54,859$26.6M0.21%−3,464−5.9%Reduced
Massmutual Trust Co FSB54,294$26.3M0.67%+1,150+2.2%Added
J. Stern & Co. LLP54,227$26.3M1.99%−8,926−14.1%Reduced
Atwood & Palmer Inc54,088$26.2M1.54%+260.0%Added
Motley Fool Wealth Management, LLC53,611$26.0M1.76%+29,697+124.2%Added
Rempart Asset Management Inc.53,150$25.8M4.77%+272+0.5%Added
Nissay Asset Management Corp53,066$25.7M0.14%+892+1.7%Added
Nuance Investments, LLC52,997$25.7M2.62%−34,898−39.7%Reduced
Peapack Gladstone Financial Corp52,664$25.5M0.33%−3,458−6.2%Reduced
CIBC Bancorp USA Inc.52,093$25.3M0.15%+52,093New
Sanctuary Advisors, LLC51,896$25.2M0.14%−14,760−22.1%Reduced
Foresight Group Ltd Liability Partnership51,786$25.1M3.75%−607−1.2%Reduced
Twinbeech Capital LP51,725$25.1M0.99%−3,119−5.7%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd51,573$25.0M0.20%+478+0.9%Added
Papp L Roy & Associates51,571$25.0M2.81%+1,421+2.8%Added
NEOS Investment Management LLC51,364$24.9M0.19%+11,415+28.6%Added
New York Life Investment Management LLC51,240$24.9M0.22%−153−0.3%Reduced
MAI Capital Management51,025$24.7M0.15%+7,868+18.2%Added
Rheos Capital Works Inc.51,000$24.7M1.38%00.0%Unchanged
Chilton Investment Co LLC50,444$24.5M0.50%−3,173−5.9%Reduced
Cornerstone Capital, Inc.49,860$24.2M2.37%−345−0.7%Reduced
Edmond de Rothschild Holding S.A.49,805$24.2M0.37%+4,161+9.1%Added
Carnegie Capital Asset Management, LLC49,645$24.1M0.45%−2,768−5.3%Reduced
Wesbanco Bank Inc49,639$24.1M0.67%−1,115−2.2%Reduced
Strategic Wealth Designers49,574$24.0M2.02%+46,316+1,421.6%Added
JustInvest LLC48,671$23.6M0.24%+9,917+25.6%Added
Trust Co of Vermont47,994$23.3M1.01%+1,378+3.0%Added
YHB Investment Advisors, Inc.46,923$22.8M1.66%−241−0.5%Reduced
OrbiMed Advisors LLC46,500$22.6M0.54%00.0%Unchanged
Community Trust & Investment Co46,283$22.4M1.21%+491+1.1%Added
Ethic Inc.45,971$22.3M0.37%+4,898+11.9%Added
United Capital Financial Advisers, LLC45,371$22.0M0.16%+19,340+74.3%Added
Swiss Life Asset Management Ltd45,080$21.9M0.11%+2,007+4.7%Added
Foster Dykema Cabot & Partners, LLC44,726$21.7M1.42%−223−0.5%Reduced
O'Shaughnessy Asset Management, LLC44,366$21.5M0.13%+15,765+55.1%Added
Lido Advisors, LLC43,684$21.2M0.09%+9,269+26.9%Added
Zacks Investment Management43,651$21.2M0.17%+2,367+5.7%Added
Bryn Mawr Trust Co43,630$21.2M0.51%−3,435−7.3%Reduced
Associated Banc-Corp43,447$21.1M0.55%−968−2.2%Reduced
Old National Bancorp43,283$21.0M0.36%+481+1.1%Added
Pinnacle Financial Partners Inc43,163$20.9M0.50%−115−0.3%Reduced
Oregon Public Employees Retirement Fund43,104$20.9M0.27%+10,482+32.1%Added
Guggenheim Capital LLC42,984$20.8M0.15%−270−0.6%Reduced
Gillespie Robinson & Grimm Inc42,934$20.8M1.46%+3,729+9.5%Added
Atlantic Union Bankshares Corp42,679$20.7M0.39%+2,240+5.5%Added
Mutual of America Capital Management LLC42,454$20.6M0.22%−2,364−5.3%Reduced
S&CO Inc42,389$20.6M1.26%+228+0.5%Added
Cambridge Investment Research Advisors, Inc.42,352$20.5M0.06%+960+2.3%Added
Rafferty Asset Management, LLC41,926$20.3M0.07%+2,030+5.1%Added
South Dakota Investment Council41,592$20.2M0.39%+640+1.6%Added
OP Asset Management Ltd41,589$20.2M0.27%+593+1.4%Added
Chesley Taft & Associates LLC40,973$19.9M0.84%−494−1.2%Reduced
Boston Family Office LLC40,984$19.9M1.26%−197−0.5%Reduced
Citizens Financial Group Inc40,514$19.7M0.27%+6,789+20.1%Added
State of Alaska, Department of Revenue40,446$19.6M0.20%−2,061−4.8%Reduced
Oribel Capital Management, LP40,400$19.6M2.29%+40,400New
Nichols & Pratt Advisers LLP40,359$19.6M1.24%+11,157+38.2%Added
Banque Pictet & Cie SA40,264$19.5M0.20%+8,408+26.4%Added
Boston Trust Walden Corp40,100$19.4M0.14%+37,578+1,490.0%Added
Roffman Miller Associates Inc39,977$19.4M1.09%+1,024+2.6%Added
Moody Lynn & Lieberson, LLC39,952$19.4M1.04%+112+0.3%Added
Kemnay Advisory Services Inc.39,920$19.4M2.94%00.0%Unchanged
Mountain Pacific Investment Advisers Inc39,906$19.4M3.03%−264−0.7%Reduced
Davenport & Co LLC39,887$19.3M0.10%+34,839+690.2%Added
Destination Wealth Management39,366$19.1M0.53%−627−1.6%Reduced
Yousif Capital Management, LLC39,316$19.1M0.20%−1,584−3.9%Reduced
AIA Group Ltd39,300$19.1M0.34%+12,885+48.8%Added
Elo Mutual Pension Insurance Co38,953$18.9M0.31%+566+1.5%Added
Woodline Partners LP38,938$18.9M0.09%+25,379+187.2%Added
Munich Reinsurance Co Stock Corp in Munich38,875$18.9M0.47%+38,875New
Cresset Asset Management, LLC38,672$18.8M0.08%+5,793+17.6%Added
Meridiem Capital Partners LP38,635$18.7M1.29%+38,635New
Davis-Rea Ltd.38,508$18.7M4.54%−4,786−11.1%Reduced
Woodbridge Co Ltd38,200$18.5M0.04%00.0%Unchanged
J.P. Marvel Investment Advisors, LLC38,120$18.5M2.69%−61−0.2%Reduced
GW Henssler & Associates Ltd38,074$18.5M0.92%+1,017+2.7%Added
Exencial Wealth Advisors, LLC37,678$18.3M0.60%+7,994+26.9%Added
TD Waterhouse Canada Inc.33,980$18.0M0.12%+2,050+6.4%Added
Badgley Phelps Wealth Managers, LLC36,955$17.9M0.38%−2,762−7.0%Reduced
Trillium Asset Management, LLC36,820$17.9M0.47%−38,005−50.8%Reduced
Pictet & Cie (Europe) SA36,194$17.6M0.35%−3,510−8.8%Reduced
Thomasville National Bank36,121$17.5M1.10%+1,592+4.6%Added
Umb Bank N A35,977$17.4M0.26%−638−1.7%Reduced
Eagle Global Advisors LLC35,955$17.4M0.67%−414−1.1%Reduced
Argent Capital Management LLC35,920$17.4M0.48%−364−1.0%Reduced
Parallel Advisors, LLC35,786$17.4M0.32%+591+1.7%Added
Chicago Capital, LLC35,762$17.3M0.43%−1,774−4.7%Reduced
Cullen/Frost Bankers, Inc.35,558$17.2M0.20%+2,769+8.4%Added
Busey Wealth Management35,542$17.2M0.48%+5,007+16.4%Added
Univest Financial Corp35,515$17.2M0.96%+4,071+12.9%Added
GW&K Investment Management, LLC35,448$17.2M0.15%−1,063−2.9%Reduced
Avalon Trust Co35,193$17.1M1.11%−507−1.4%Reduced
Picton Mahoney Asset Management35,077$17.0M0.22%+35,077New
Highland Capital Management, LLC34,825$16.9M0.84%−73−0.2%Reduced