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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
Resources Investment Advisors, LLC.14,869$8.62M0.08%−5,378−26.6%Reduced
Lombard Odier Asset Management (Switzerland) SA14,791$8.57M0.37%+638+4.5%Added
Harbour Trust & Investment Management Co14,787$8.57M0.87%−52−0.4%Reduced
Acumen Wealth Advisors, LLC14,728$8.54M2.46%+14,728New
Amica Mutual Insurance Co14,737$8.54M0.74%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC14,632$8.48M0.02%−850−5.5%Reduced
Aviance Capital Partners, LLC14,604$8.46M0.98%+51+0.4%Added
Martin Investment Management, LLC14,579$8.45M2.36%−721−4.7%Reduced
Greystone Financial Group, LLC14,573$8.44M1.32%−246−1.7%Reduced
Quadrant Capital Group LLC14,401$8.34M0.25%+124+0.9%Added
Advisors Asset Management, Inc.14,351$8.32M0.14%−3,230−18.4%Reduced
Tema ETFs LLC14,265$8.27M0.64%+249+1.8%Added
Woodstock Corp14,253$8.26M0.71%+28+0.2%Added
Walleye Capital LLC14,246$8.25M0.05%+9,184+181.4%Added
Apollon Wealth Management, LLC14,179$8.22M0.14%−128−0.9%Reduced
Botty Investors LLC14,095$8.17M1.94%00.0%Unchanged
Segall Bryant & Hamill, LLC14,070$8.15M0.11%−5,717−28.9%Reduced
Bragg Financial Advisors, Inc14,062$8.15M0.27%+303+2.2%Added
Lawson Kroeker Investment Management Inc14,047$8.14M2.42%−1,735−11.0%Reduced
Van Den Berg Management I, Inc13,897$8.05M1.85%−398−2.8%Reduced
Whalerock Point Partners, LLC13,843$8.02M1.53%+105+0.8%Added
Kennedy Capital Management, Inc.13,795$7.99M0.17%−48−0.3%Reduced
Grimes & Company, Inc.13,787$7.99M0.19%−747−5.1%Reduced
Westfield Capital Management Co LP13,681$7.93M0.03%00.0%Unchanged
Meiji Yasuda Asset Management Co Ltd.13,677$7.93M0.38%−933−6.4%Reduced
Penobscot Investment Management Company, Inc.13,639$7.90M0.60%−223−1.6%Reduced
Iyo Bank, Ltd.13,565$7.86M2.51%+13,565New
Live Oak Private Wealth LLC13,446$7.79M1.06%−199−1.5%Reduced
Suvretta Capital Management, LLC13,400$7.76M0.19%00.0%Unchanged
Linden Thomas Advisory Services, LLC13,364$7.74M0.78%+161+1.2%Added
Codex Capital Asset Management L.L.C.13,350$7.74M2.81%+475+3.7%Added
Graybill Bartz & Assoc Ltd13,309$7.71M2.28%+73+0.6%Added
Evergreen Private Wealth LLC13,215$7.66M3.02%+387+3.0%Added
Thames Capital Management LLC13,202$7.65M1.11%00.0%Unchanged
Granite Bay Wealth Management, LLC13,177$7.64M1.85%−976−6.9%Reduced
RNC Capital Management LLC13,149$7.62M0.35%−417−3.1%Reduced
Blue Zone Wealth Advisors, LLC13,138$7.61M1.46%+165+1.3%Added
Empirical Finance, LLC13,070$7.57M0.36%−973−6.9%Reduced
Zions Bancorporation, National Association13,068$7.57M0.35%+429+3.4%Added
Siemens Fonds Invest GmbH12,922$7.54M0.40%−243−1.8%Reduced
North Dakota State Investment Board12,952$7.51M0.28%+12,952New
Spirepoint Private Client, LLC12,841$7.44M0.71%+1,263+10.9%Added
Tokio Marine Asset Management Co Ltd12,828$7.43M0.26%+309+2.5%Added
Capital Group Investment Management Pte. Ltd.12,799$7.42M1.20%+355+2.9%Added
Asio Capital, LLC12,797$7.42M1.05%−23−0.2%Reduced
Adviser Investments LLC12,679$7.35M0.08%−1,496−10.6%Reduced
Metis Global Partners, LLC12,654$7.33M0.17%−3,963−23.8%Reduced
First National Trust Co12,630$7.32M0.24%+318+2.6%Added
Intech Investment Management LLC12,620$7.31M0.07%−869−6.4%Reduced
Westpac Banking Corp12,617$7.31M0.46%+3,930+45.2%Added
Benjamin Edwards Inc12,594$7.30M0.08%+154+1.2%Added
AdvisorShares Investments LLC12,455$7.22M1.20%−1,021−7.6%Reduced
WealthBridge Investment Counsel Inc.12,390$7.18M2.15%+440+3.7%Added
Mader & Shannon Wealth Management, Inc.14,693$7.13M3.49%00.0%Unchanged
Wedge Capital Management L L P12,225$7.08M0.13%−6,634−35.2%Reduced
Patton Albertson Miller Group, LLC12,221$7.08M0.83%+54+0.4%Added
Gluskin Sheff & Assoc Inc12,071$6.99M0.97%−476−3.8%Reduced
Coldstream Capital Management Inc12,068$6.99M0.09%−239−1.9%Reduced
Peloton Wealth Strategists12,056$6.99M2.71%−155−1.3%Reduced
Ecofi Investissements SA12,050$6.98M4.82%+12,050New
Northwestern Mutual Investment Management Company, LLC12,005$6.96M0.08%−30−0.2%Reduced
Sivik Global Healthcare LLC12,000$6.95M3.39%−2,000−14.3%Reduced
Trifecta Capital Advisors, LLC11,980$6.94M1.03%+179+1.5%Added
RKL Wealth Management LLC11,965$6.93M0.57%−240−2.0%Reduced
Reliant Investment Management, LLC11,960$6.93M2.81%−745−5.9%Reduced
John G Ullman & Associates Inc11,825$6.85M0.91%−265−2.2%Reduced
Lord, Abbett & Co. LLC11,817$6.85M0.02%+11,817New
Ashton Thomas Private Wealth, LLC11,796$6.84M0.17%+6+0.1%Added
Mirador Capital Partners LP11,744$6.81M0.93%+504+4.5%Added
Security National Bank11,711$6.79M0.97%+409+3.6%Added
Ascent Group, LLC11,576$6.71M0.23%+613+5.6%Added
Fideuram Asset Management (Ireland) dac11,803$6.66M0.53%+11,803New
RSM US Wealth Management LLC11,408$6.66M0.08%+320+2.9%Added
Citizens Business Bank11,478$6.65M1.10%+228+2.0%Added
Mendel Money Management11,452$6.64M2.78%+39+0.3%Added
Kovitz Investment Group Partners, LLC11,432$6.62M0.15%−706,408−98.4%Reduced
Haverford Financial Services, Inc.11,406$6.61M1.85%−65−0.6%Reduced
Park Avenue Securities LLC11,381$6.59M0.06%−126−1.1%Reduced
HighPoint Advisor Group LLC11,254$6.52M0.14%−962−7.9%Reduced
Lincluden Management Ltd11,243$6.51M0.55%−3,506−23.8%Reduced
Nordwand Advisors, LLC11,181$6.48M1.13%−15−0.1%Reduced
Greenleaf Trust11,179$6.48M0.06%+184+1.7%Added
Morningstar Investment Management LLC11,126$6.45M0.38%−12,584−53.1%Reduced
Neo Ivy Capital Management11,092$6.43M1.02%+6,320+132.4%Added
Atomi Financial Group, Inc.11,065$6.41M0.19%+6,577+146.5%Added
Progressive Investment Management Corp11,020$6.39M1.53%−100−0.9%Reduced
Granite Investment Partners, LLC10,999$6.37M0.38%+1,050+10.6%Added
Advisory Services Network, LLC10,945$6.34M0.09%+528+5.1%Added
Hunter Associates Investment Management LLC10,934$6.33M0.85%−350−3.1%Reduced
Brown Shipley& Co Ltd10,920$6.33M3.38%−504−4.4%Reduced
Legacy Private Trust Co.10,917$6.33M0.37%−107−1.0%Reduced
Guinness Atkinson Asset Management Inc10,803$6.32M2.98%−625−5.5%Reduced
Hamilton Capital Partners Inc.10,906$6.32M0.23%+966+9.7%Added
Hills Bank & Trust Co10,863$6.29M0.37%+126+1.2%Added
Marco Investment Management LLC10,846$6.28M0.47%+70+0.6%Added
Sone Capital Management, LLC10,844$6.28M0.51%+4,053+59.7%Added
Spinnaker Trust10,841$6.28M0.34%+157+1.5%Added
ICICI Prudential Asset Management Co Ltd10,821$6.27M0.73%−6,899−38.9%Reduced
Meridian Management Co10,782$6.25M1.55%+409+3.9%Added
Assenagon Asset Management S.A.10,740$6.22M0.01%−604,595−98.3%Reduced