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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, Q1 2026

Institutional positions in Thermo Fisher Scientific Inc. as of Mar 31, 2026. 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
2,612
−57 vs. Q4 2025
Shares held
332.3M
−1.64M (−0.5%) vs. Q4 2025
Total value
$164.1B
−$11.2B (−6.4%) vs. Q4 2025
New holders
173
980 more added
Sold out
230
1,101 more reduced

39 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 2,612 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 heldQ1 2026: $164.1B
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 20252,708$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, Q1 2026

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q4 2025.

Institutions holding TMO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Traub Capital Management LLC475$233.5K0.23%−20−4.0%Reduced
Miller Global Investments, LLC475$233.5K0.21%−1−0.2%Reduced
Echo45 Advisors LLC475$233.6K0.13%−38−7.4%Reduced
Commonwealth Financial Services, LLC475$233.6K0.04%+27+6.0%Added
Integrated Investment Consultants, LLC478$235.0K0.05%−2−0.4%Reduced
Colorado Capital Management, Inc.479$235.0K0.09%00.0%Unchanged
Lester Murray Antman dba SimplyRich479$235.0K0.06%00.0%Unchanged
Wall Street Access Asset Management, LLC521$235.4K0.06%+30+6.1%Added
Seven Mile Advisory479$235.4K0.17%−296−38.2%Reduced
Keating Financial Advisory Services, Inc.479$235.4K0.04%−32−6.3%Reduced
Harbor Investment Advisory, LLC479$235.4K0.02%−25−5.0%Reduced
Clifford Swan Investment Counsel LLC479$235.4K0.01%00.0%Unchanged
Xxi Wealth, LLC480$235.9K0.13%−9−1.8%Reduced
Cypress Point Wealth Management, LLC480$235.9K0.05%+480New
Palouse Capital Management, Inc.481$236.4K0.16%−2,003−80.6%Reduced
Van Diest Capital, LLC481$236.7K0.19%+481New
Northern Financial Advisors Inc483$237.4K0.17%+483New
Brady Martz Wealth Solutions, LLC484$237.8K0.04%−383−44.2%Reduced
Convergence Investment Partners, LLC484$238.1K0.04%−26−5.1%Reduced
TownSquare Capital, LLC486$238.6K0.05%+20+4.3%Added
Drive Wealth Management, LLC487$239.4K0.05%+54+12.5%Added
Kelly Financial Services LLC488$240.1K0.06%00.0%Unchanged
Elm Partners Management LLC501$240.3K0.01%+1+0.2%Added
Putney Financial Group LLC489$240.4K0.24%−10−2.0%Reduced
Ferguson Shapiro LLC490$240.9K0.07%00.0%Unchanged
Hudock, Inc.491$241.6K0.04%00.0%Unchanged
Auxano Advisors, LLC494$242.8K0.05%−21−4.1%Reduced
Firethorn Wealth Partners, LLC495$243.2K0.09%+4+0.8%Added
Virtue Capital Management, LLC507$243.4K0.04%−12−2.3%Reduced
Second Line Capital, LLC509$243.9K0.05%+116+29.5%Added
Byrne Financial Freedom, LLC497$244.3K0.12%−1,008−67.0%Reduced
Azzad Asset Management Inc497$244.4K0.02%+1+0.2%Added
Permanent Capital Management, LP511$244.7K0.04%+29+6.0%Added
Aspen Grove Capital, LLC498$245.0K0.05%−6−1.2%Reduced
Probity Advisors, Inc.499$245.3K0.04%−9−1.8%Reduced
Kelly Lawrence W & Associates Inc500$245.8K0.07%00.0%Unchanged
Marble Harbor Investment Counsel, LLC500$245.8K0.03%00.0%Unchanged
Corundum Trust Company, INC500$245.8K0.56%00.0%Unchanged
NCP Inc.500$245.8K0.41%00.0%Unchanged
Cohen & Steers, Inc.500$246.0K0.00%00.0%Unchanged
Formidable Asset Management, LLC425$246.3K0.04%00.0%Unchanged
West Paces Advisors Inc.502$246.7K0.05%−10−2.0%Reduced
Persistent Asset Partners Ltd503$247.2K0.10%+43+9.3%Added
Red Spruce Capital, LLC504$247.7K0.10%00.0%Unchanged
Arlington Partners LLC504$247.7K0.49%+504New
Enhancing Capital LLC506$248.7K0.18%00.0%Unchanged
Burke & Herbert Bank & Trust Co506$248.7K0.07%+35+7.4%Added
M3 Advisory Group, LLC506$248.8K0.15%+11+2.2%Added
Vancity Investment Management Ltd507$249.0K0.04%+14+2.8%Added
Schonfeld Strategic Advisors LLC507$249.2K0.00%−750−59.7%Reduced
Uhlmann Price Securities, LLC509$249.7K0.02%+509New
New Covenant Trust Company, N.A.510$250.7K0.22%+36+7.6%Added
LongView Wealth Management476$250.7K0.06%+1+0.2%Added
Harvey Investment Co LLC511$251.0K0.03%00.0%Unchanged
Pavion Blue Capital, LLC512$251.7K0.11%−21−3.9%Reduced
J.M. Arbour, LLC512$251.7K0.24%+49+10.6%Added
Financial Management Network Inc503$251.8K0.04%−10−1.9%Reduced
Bill Few Associates, Inc.513$252.2K0.06%−10−1.9%Reduced
Beacon Financial Advisory LLC513$252.3K0.06%+116+29.2%Added
Zhang Financial LLC514$252.7K0.01%00.0%Unchanged
Bell Bank516$253.6K0.01%+1+0.2%Added
Silver Oak Securities, Inc517$254.3K0.02%−8−1.5%Reduced
Gray Private Wealth, LLC518$254.6K0.13%+8+1.6%Added
Sunpointe, LLC518$254.6K0.08%+43+9.1%Added
TBH Global Asset Management, LLC520$255.5K0.05%−86−14.2%Reduced
SVRN Asset Management, LLC525$258.1K0.25%00.0%Unchanged
Abacus Wealth Partners, LLC525$258.2K0.02%−61−10.4%Reduced
Sharkey, Howes & Javer526$258.5K0.03%−37−6.6%Reduced
SOA Wealth Advisors, LLC.528$259.5K0.05%−47−8.2%Reduced
Cercano Management LLC531$261.0K0.01%00.0%Unchanged
Consilio Wealth Advisors, LLC531$261.0K0.08%+25+4.9%Added
SBI Securities Co., Ltd.533$262.0K0.01%−1−0.2%Reduced
BW Gestao de Investimentos Ltda.533$262.0K0.01%+533New
Ameriflex Group, Inc.533$262.0K0.13%−45−7.8%Reduced
Oarsman Capital, Inc.534$262.5K0.03%−24−4.3%Reduced
Goldstein Advisors, LLC535$263.0K0.03%+68+14.6%Added
First Business Financial Services, Inc.535$263.0K0.02%+124+30.2%Added
Magnetar Financial LLC548$263.1K0.00%+548New
Schneider Downs Wealth Management Advisors, LP536$263.3K0.03%−2−0.4%Reduced
SPWM Advisors LLC573$263.3K0.23%+573New
Cane Capital Partners, LLC537$264.0K0.12%+537New
Patron Partners Advisors, LLC538$264.5K0.12%00.0%Unchanged
Capricorn Fund Managers Ltd540$265.4K0.04%+540New
Sand Hill Global Advisors, LLC541$265.9K0.01%+33+6.5%Added
Flagship Wealth Advisors, LLC656$266.0K0.11%00.0%Unchanged
Rainey & Randall Investment Management Inc.541$266.2K0.04%00.0%Unchanged
Greenspring Advisors, LLC543$267.0K0.02%+35+6.9%Added
WestHill Financial Advisors, Inc.545$267.9K0.05%00.0%Unchanged
Signet Financial Management, LLC545$267.9K0.03%+100+22.5%Added
SNS Financial Group, LLC545$268.1K0.02%−43−7.3%Reduced
Portland Global Advisors LLC547$268.9K0.03%−12−2.1%Reduced
Invenio Wealth Partners LLC549$269.9K0.11%+66+13.7%Added
B.O.S.S. Retirement Advisors, LLC551$270.9K0.08%−8−1.4%Reduced
Staley Capital Advisers Inc552$271.3K0.01%00.0%Unchanged
Concord Wealth Partners552$271.3K0.04%+471+581.5%Added
Idaho Trust Bank553$271.8K0.09%−10−1.8%Reduced
Sagewood Asset Management LP553$271.8K0.09%+161+41.1%Added
Range Advisory, LLC553$272.0K0.05%+178+47.5%Added
HRT Financial LP554$272.0K0.00%+554New
Beese Fulmer Investment Management, Inc.553$272.0K0.02%−507−47.8%Reduced