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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
Red Spruce Capital, LLC504$244.4K0.10%00.0%Unchanged
ISAM Funds (UK) Ltd509$246.9K0.05%−863−62.9%Reduced
Harvey Investment Co LLC511$248.0K0.03%00.0%Unchanged
Traub Capital Management LLC514$249.3K0.25%+249+94.0%Added
Traveka Wealth, LLC515$249.9K0.11%+515New
Silver Oak Securities, Inc516$250.5K0.02%+516New
Parr McKnight Wealth Management Group, LLC517$250.8K0.03%+13+2.6%Added
Nations Financial Group Inc,517$251.0K0.02%−38−6.8%Reduced
Bell Bank520$252.2K0.01%−1,547−74.8%Reduced
Wall Street Access Asset Management, LLC521$252.7K0.06%00.0%Unchanged
Enhancing Capital LLC522$253.2K0.19%+522New
Ninepoint Partners LP523$253.7K0.04%+523New
Three Bridge Wealth Advisors, LLC525$254.9K0.07%−26−4.7%Reduced
Lockerman Financial Group, Inc.526$255.1K0.32%−3−0.6%Reduced
Echo45 Advisors LLC528$256.2K0.15%+2+0.4%Added
James Investment Research Inc529$256.6K0.03%−19−3.5%Reduced
Cercano Management LLC531$257.5K0.01%00.0%Unchanged
Consilio Wealth Advisors, LLC533$258.5K0.08%+533New
Koss-Olinger Consulting, LLC639$259.0K0.02%00.0%Unchanged
JFS Wealth Advisors, LLC534$259.1K0.02%+302+130.2%Added
Revolve Wealth Partners, LLC537$260.2K0.03%+537New
Patron Partners Advisors, LLC538$260.9K0.12%00.0%Unchanged
Putney Financial Group LLC539$261.4K0.26%−60−10.0%Reduced
Harris Associates L PSuperinvestorHarris Associates (Oakmark)541$262.4K0.00%+541New
Rainey & Randall Investment Management Inc.541$262.6K0.04%00.0%Unchanged
Advyzon Investment Management, LLC542$262.9K0.05%+542New
Gray Private Wealth, LLC544$263.9K0.13%−93−14.6%Reduced
River Street Advisors LLC544$263.9K0.10%−10−1.8%Reduced
Maple Capital Management, Inc.544$263.9K0.02%00.0%Unchanged
IFG Advisors, LLC544$263.9K0.04%−7−1.3%Reduced
Sunbelt Securities, Inc.544$264.0K0.02%+40+7.9%Added
World Equity Group, Inc.544$264.3K0.06%+544New
BOS Asset Management, LLC547$265.3K0.07%00.0%Unchanged
Rock Point Advisors, LLC548$265.8K0.07%00.0%Unchanged
Slocum, Gordon & Co LLP549$266.3K0.21%00.0%Unchanged
Holistic Financial Partners549$266.3K0.11%+549New
Roehl & Yi Investment Advisors, LLC550$266.8K0.12%+37+7.2%Added
Retirement Planning Group550$266.8K0.01%+550New
Pavion Blue Capital, LLC551$267.2K0.11%00.0%Unchanged
Staley Capital Advisers Inc552$267.7K0.01%00.0%Unchanged
Oarsman Capital, Inc.553$268.2K0.04%−11−2.0%Reduced
Alesco Advisors LLC554$268.7K0.01%−103−15.7%Reduced
Capital Advisors Wealth Management, LLC554$268.8K0.04%+554New
Greenwich Wealth Management LLC555$269.0K0.01%+20+3.7%Added
Root Financial Partners, LLC555$269.3K0.02%−364−39.6%Reduced
SNS Financial Group, LLC555$269.4K0.02%−61−9.9%Reduced
Prelude Capital Management, LLC556$269.7K0.02%−2−0.4%Reduced
Five Oceans Advisors558$270.6K0.10%+16+3.0%Added
Planning Alternatives Ltd560$271.6K0.03%+560New
Peoples Financial Services Corp.561$272.1K0.12%−15−2.6%Reduced
SBI Securities Co., Ltd.562$272.6K0.01%−180−24.3%Reduced
Idaho Trust Bank563$273.1K0.09%−36−6.0%Reduced
Medallion Wealth Advisors, LLC563$273.1K0.10%00.0%Unchanged
Investment Management Associates Inc563$273.1K0.08%00.0%Unchanged
Sharkey, Howes & Javer563$273.1K0.04%00.0%Unchanged
Tiemann Investment Advisors, LLC563$273.1K0.10%+44+8.5%Added
Cape Cod Five Cents Savings Bank443$274.0K0.03%00.0%Unchanged
Argent Advisors, Inc.565$274.0K0.08%+565New
DRW Securities, LLC565$274.1K0.01%−2,170−79.3%Reduced
Foster Victor Wealth Advisors, LLC505$274.4K0.02%−24−4.5%Reduced
First Community Trust NA567$275.0K0.21%00.0%Unchanged
Sunbeam Capital Management, LLC568$276.0K0.17%00.0%Unchanged
TBH Global Asset Management, LLC570$276.3K0.05%−52−8.4%Reduced
Northstar Group, Inc.573$277.9K0.04%−95−14.2%Reduced
Financial Management Network Inc511$278.1K0.05%+18+3.7%Added
SOA Wealth Advisors, LLC.575$278.8K0.05%−210−26.8%Reduced
Legacy Financial Strategies, LLC575$278.9K0.05%+36+6.7%Added
Vancity Investment Management Ltd577$280.0K0.04%−61−9.6%Reduced
Rooted Wealth Advisors, Inc.516$280.4K0.09%+516New
Smith, Moore & Co.578$280.5K0.02%+2+0.3%Added
Claret Asset Management Corp579$281.0K0.03%+7+1.2%Added
Probity Advisors, Inc.582$282.3K0.05%−13−2.2%Reduced
Ironwood Investment Counsel, LLC588$285.2K0.04%+14+2.4%Added
Richmond Investment Services, LLC588$285.6K0.05%−26−4.2%Reduced
Blue Bell Private Wealth Management, LLC589$285.7K0.04%+37+6.7%Added
Insight Inv LLC590$286.2K0.17%−37−5.9%Reduced
Aventura Private Wealth, LLC590$286.2K0.11%−47−7.4%Reduced
Financial Council Asset Management Inc595$288.6K0.13%+4+0.7%Added
B.O.S.S. Retirement Advisors, LLC595$288.6K0.07%+5+0.8%Added
Farmers Trust Co596$289.1K0.05%+4+0.7%Added
Breakwater Capital Group598$289.8K0.04%00.0%Unchanged
Invested Advisors534$291.0K0.42%+534New
Raub Brock Capital Management LP600$291.0K0.06%00.0%Unchanged
Portland Global Advisors LLC600$291.0K0.03%+92+18.1%Added
Wealth Dimensions Group, Ltd.600$291.0K0.06%−67−10.0%Reduced
MN Wealth Advisors, LLC600$291.2K0.16%−58−8.8%Reduced
Richwood Investment Advisors, LLC600$291.3K0.23%−107−15.1%Reduced
Somerset Trust Co602$292.0K0.09%−225−27.2%Reduced
Ellenbecker Investment Group602$292.0K0.04%+51+9.3%Added
Sunflower Bank, N.A.605$293.4K0.07%−42−6.5%Reduced
Hummer Financial Advisory Services Inc605$293.7K0.21%−2−0.3%Reduced
White Pine Capital LLC611$296.3K0.08%+19+3.2%Added
Weatherly Asset Management L. P.612$297.0K0.02%00.0%Unchanged
MBE Wealth Management, LLC618$299.8K0.13%+618New
Waldron Private Wealth LLC619$300.5K0.01%+44+7.7%Added
Dynamic Wealth Strategies, LLC620$300.7K0.20%+28+4.7%Added
Atlas Brown,Inc.620$300.8K0.09%+113+22.3%Added
DGS Capital Management, LLC621$301.2K0.05%+621New
Cornerstone Wealth Management, LLC622$301.6K0.02%+15+2.5%Added
Resurgent Financial Advisors LLC624$302.7K0.15%+101+19.3%Added