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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
Massmutual Trust Co FSB53,574$31.0M0.80%−720−1.3%Reduced
Sanctuary Advisors, LLC53,410$30.9M0.17%+1,514+2.9%Added
America First Investment Advisors, LLC53,300$30.9M5.62%−2,422−4.3%Reduced
Pinnacle Financial Partners, Inc.53,169$30.8M0.23%+53,169New
Sumitomo Mitsui DS Asset Management Company, Ltd53,133$30.8M0.24%+1,560+3.0%Added
Badgley Phelps Wealth Managers, LLC52,349$30.3M0.56%+15,394+41.7%Added
Argent Capital Management LLC52,359$30.3M0.86%+16,439+45.8%Added
CIBC World Markets Corp52,330$30.3M0.15%+52,330New
Millennium Management LLC52,264$30.3M0.02%−444,827−89.5%Reduced
Walleye Trading LLC52,190$30.2M0.49%+28,744+122.6%Added
Ceredex Value Advisors LLC52,158$30.2M0.91%+52,158New
JustInvest LLC52,009$30.1M0.29%+3,338+6.9%Added
Rempart Asset Management Inc.51,953$30.1M5.69%−1,197−2.3%Reduced
Peapack Gladstone Financial Corp51,796$30.0M0.38%−868−1.6%Reduced
Papp L Roy & Associates51,516$29.9M3.30%−55−0.1%Reduced
Foresight Group Ltd Liability Partnership50,883$29.7M4.76%−903−1.7%Reduced
Professional Advisory Services Inc51,020$29.6M3.83%−8,491−14.3%Reduced
Rheos Capital Works Inc.51,000$29.6M1.89%00.0%Unchanged
Coronation Fund Managers Ltd.50,995$29.5M1.33%−23,652−31.7%Reduced
Oddo BHF Asset Management SAS50,466$29.2M1.10%−8,045−13.7%Reduced
Ethic Inc.50,451$29.2M0.45%+4,480+9.7%Added
Rakuten Investment Management, Inc.49,562$29.0M0.10%+33,146+201.9%Added
Third Point LLCSuperinvestorThird Point50,000$29.0M0.40%+50,000New
Cornerstone Capital, Inc.49,785$28.8M2.84%−75−0.2%Reduced
Epoch Investment Partners, Inc.49,719$28.8M0.16%−14,290−22.3%Reduced
Public Sector Pension Investment Board48,863$28.3M0.10%+15,739+47.5%Added
United Capital Financial Advisers, LLC48,698$28.2M0.17%+3,327+7.3%Added
Chilton Investment Co LLC48,124$27.9M0.58%−2,320−4.6%Reduced
Trust Co of Vermont47,970$27.8M1.16%−24−0.1%Reduced
YHB Investment Advisors, Inc.47,766$27.7M1.91%+843+1.8%Added
D. E. Shaw & Co., Inc.47,543$27.5M0.02%−16,913−26.2%Reduced
Carnegie Capital Asset Management, LLC47,467$27.5M0.51%−2,178−4.4%Reduced
Swiss Life Asset Management Ltd46,801$27.1M0.14%+1,721+3.8%Added
OrbiMed Advisors LLC46,500$26.9M0.55%00.0%Unchanged
Old National Bancorp46,303$26.8M0.45%+3,020+7.0%Added
Lombard Odier Asset Management (Europe) Ltd45,952$26.6M1.35%−289,518−86.3%Reduced
Union Bancaire Privee, UBP SA53,091$26.4M0.44%+38,597+266.3%Added
Motley Fool Wealth Management, LLC45,485$26.4M2.04%−8,126−15.2%Reduced
Picton Mahoney Asset Management45,459$26.3M0.29%+10,382+29.6%Added
Foster Dykema Cabot & Partners, LLC45,240$26.2M1.61%+514+1.1%Added
Wesbanco Bank Inc44,165$25.6M0.70%−5,474−11.0%Reduced
Boston Trust Walden Corp43,973$25.5M0.19%+3,873+9.7%Added
Edmond de Rothschild Holding S.A.43,965$25.5M0.36%−5,840−11.7%Reduced
Gillespie Robinson & Grimm Inc43,654$25.3M1.77%+720+1.7%Added
Associated Banc-Corp43,471$25.2M0.64%+24+0.1%Added
Zacks Investment Management43,328$25.1M0.20%−323−0.7%Reduced
RMB Capital Management, LLC43,146$25.0M0.43%+14,251+49.3%Added
Oregon Public Employees Retirement Fund42,977$24.9M0.32%−127−0.3%Reduced
Community Trust & Investment Co42,743$24.8M1.31%−3,540−7.6%Reduced
Elo Mutual Pension Insurance Co42,579$24.7M0.38%+3,626+9.3%Added
Bryn Mawr Trust Co42,568$24.7M0.58%−1,062−2.4%Reduced
Chesley Taft & Associates LLC42,442$24.6M0.97%+1,469+3.6%Added
OP Asset Management Ltd42,288$24.5M0.30%+699+1.7%Added
Cresset Asset Management, LLC42,232$24.5M0.10%+3,560+9.2%Added
Vinva Investment Management Ltd41,783$24.4M0.30%+9,527+29.5%Added
S&CO Inc41,979$24.3M1.51%−410−1.0%Reduced
Mutual of America Capital Management LLC41,864$24.3M0.25%−590−1.4%Reduced
Nichols & Pratt Advisers LLP41,718$24.2M1.51%+1,359+3.4%Added
Atlantic Union Bankshares Corp41,688$24.2M0.45%−991−2.3%Reduced
Moody Lynn & Lieberson, LLC40,931$23.7M1.26%+979+2.5%Added
Canada Post Corp Registered Pension Plan40,853$23.7M0.90%+6,638+19.4%Added
Rafferty Asset Management, LLC40,450$23.4M0.08%−1,476−3.5%Reduced
Guggenheim Capital LLC40,329$23.4M0.17%−2,655−6.2%Reduced
Destination Wealth Management40,322$23.4M0.61%+956+2.4%Added
Citizens Financial Group Inc40,209$23.3M0.31%−305−0.8%Reduced
Kemnay Advisory Services Inc.40,150$23.3M3.51%+230+0.6%Added
Yousif Capital Management, LLC37,549$23.2M0.25%−1,767−4.5%Reduced
Boston Family Office LLC40,109$23.2M1.47%−875−2.1%Reduced
Cambridge Investment Research Advisors, Inc.39,872$23.1M0.06%−2,480−5.9%Reduced
Roffman Miller Associates Inc39,748$23.0M1.26%−229−0.6%Reduced
Lido Advisors, LLC44,094$22.9M0.09%+410+0.9%Added
Mountain Pacific Investment Advisers Inc39,327$22.8M3.69%−579−1.5%Reduced
EFG International AG38,910$22.5M0.44%+38,910New
Mercer Global Advisors Inc38,903$22.5M0.03%+4,697+13.7%Added
Banque Pictet & Cie SA38,532$22.3M0.22%−1,732−4.3%Reduced
Cullen/Frost Bankers, Inc.38,315$22.2M0.24%+2,757+7.8%Added
Woodbridge Co Ltd38,200$22.1M0.05%00.0%Unchanged
J.P. Marvel Investment Advisors, LLC38,120$22.1M3.07%00.0%Unchanged
PFM Health Sciences, LP37,915$22.0M2.22%+35,601+1,538.5%Added
GW Henssler & Associates Ltd37,914$22.0M1.06%−160−0.4%Reduced
Assetmark, Inc37,654$21.8M0.04%+7,023+22.9%Added
State of Alaska, Department of Revenue37,241$21.6M0.23%−3,205−7.9%Reduced
Thomasville National Bank37,199$21.6M1.34%+1,078+3.0%Added
Exencial Wealth Advisors, LLC37,120$21.5M0.68%−558−1.5%Reduced
Eagle Global Advisors LLC36,073$20.9M0.77%+118+0.3%Added
Umb Bank N A36,071$20.9M0.28%+94+0.3%Added
Parallel Advisors, LLC35,894$20.8M0.38%+108+0.3%Added
Chicago Capital, LLC35,694$20.7M0.51%−68−0.2%Reduced
Busey Wealth Management35,654$20.7M0.54%+112+0.3%Added
Generate Investment Management Ltd35,646$20.7M0.94%+20,243+131.4%Added
PBU - The Pension Fund of Early Childhood & Youth Educators35,566$20.6M0.30%+35,566New
Osborne Partners Capital Management, LLC35,173$20.4M1.05%+2,565+7.9%Added
MML Investors Services, LLC35,111$20.3M0.05%+3,749+12.0%Added
Avalon Trust Co35,056$20.3M1.31%−137−0.4%Reduced
Allworth Financial LP35,019$20.3M0.08%+14,110+67.5%Added
Pictet & Cie (Europe) SA34,813$20.2M0.40%−1,381−3.8%Reduced
Strategic Wealth Designers34,741$20.1M2.47%−14,833−29.9%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.34,387$20.0M0.14%+1,277+3.9%Added
Univest Financial Corp34,403$19.9M1.06%−1,112−3.1%Reduced
IMC-Chicago, LLC34,384$19.9M0.35%+8,900+34.9%Added