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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: 2,708 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 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 20252,708$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, 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
Flagship Wealth Advisors, LLC656$380.1K0.11%00.0%Unchanged
DGS Capital Management, LLC659$381.9K0.07%+38+6.1%Added
Human Investing LLC660$382.6K0.05%+660New
SGL Investment Advisors, Inc.706$382.9K0.15%+706New
Atlas Legacy Advisors, LLC643$383.3K0.07%+14+2.2%Added
Berkshire Asset Management LLC664$384.8K0.02%+233+54.1%Added
Allen Investment Management LLC666$385.9K0.00%00.0%Unchanged
Bay Capital Advisors, LLC667$386.5K0.24%00.0%Unchanged
1620 Investment Advisors, Inc.669$387.7K0.26%−2−0.3%Reduced
Sunflower Bank, N.A.669$387.7K0.10%+64+10.6%Added
Coppell Advisory Solutions LLC667$389.2K0.04%−1,854−73.5%Reduced
McLean Asset Management Corp627$390.0K0.07%00.0%Unchanged
First Command Advisory Services, Inc.675$391.1K0.00%+14+2.1%Added
Castleview Partners, LLC678$392.9K0.19%−4−0.6%Reduced
Heritage Wealth Management, Inc.681$394.6K0.11%−3−0.4%Reduced
Independent Solutions Wealth Management, LLC682$395.2K0.07%−51−7.0%Reduced
White Pine Capital LLC683$395.8K0.11%+72+11.8%Added
Roman Butler Fullerton & Co320$396.7K0.10%−273−46.0%Reduced
Chemistry Wealth Management LLC685$396.9K0.07%−53−7.2%Reduced
Searle & Co.685$396.9K0.10%00.0%Unchanged
Studio Investment Management LLC685$397.2K0.07%−6−0.9%Reduced
Excalibur Management Corp686$397.5K0.14%−50−6.8%Reduced
US Asset Management LLC686$397.5K0.32%−8−1.2%Reduced
Green Square Capital Advisors LLC688$398.7K0.04%−69−9.1%Reduced
Axq Capital, LP690$399.8K0.09%+690New
Resurgent Financial Advisors LLC690$399.9K0.20%+66+10.6%Added
Laurel Oak Wealth Management, LLC691$400.4K0.07%+691New
Pinnacle Bancorp, Inc.694$402.1K0.12%+23+3.4%Added
QP Wealth Management, LLC694$402.1K0.35%+694New
Systematic Alpha Investments, LLC696$403.3K0.01%00.0%Unchanged
Hamilton Wealth, LLC696$403.3K0.08%+17+2.5%Added
Wilian Securities, LLC696$403.3K0.43%+696New
JGP Global Gestao de Recursos Ltda.698$404.5K0.24%−71−9.2%Reduced
Wedgewood Investors Inc700$405.6K0.46%00.0%Unchanged
RWC Asset Management LLP701$406.2K0.02%+224+47.0%Added
NWF Advisory Services Inc.702$406.8K0.04%00.0%Unchanged
Legacy Advisors, LLC702$407.1K0.04%+702New
Fielder Capital Group LLC703$407.4K0.09%+44+6.7%Added
Oak Harvest Investment Services703$407.5K0.04%−6,455−90.2%Reduced
Smart Portfolios, LLC705$408.5K0.41%−10−1.4%Reduced
Alpha Family Trust705$408.5K0.19%00.0%Unchanged
Mitchell Sinkler & Starr707$409.7K0.19%00.0%Unchanged
Symphony Financial, Ltd. Co.708$413.2K0.06%−136−16.1%Reduced
Van Strum & Towne Inc.715$414.3K0.12%00.0%Unchanged
Blue Fin Capital, Inc.716$414.9K0.06%−23−3.1%Reduced
Ariston Services Group717$415.5K0.24%00.0%Unchanged
Leisure Capital Management717$415.5K0.14%+5+0.7%Added
Compass Capital Corp771$416.0K0.16%+30+4.0%Added
Obermeyer Wood Investment Counsel, LLLP718$416.0K0.02%−411−36.4%Reduced
Quantum Financial Advisors, LLC720$417.1K0.05%+251+53.5%Added
Acima Private Wealth, LLC722$418.4K0.13%00.0%Unchanged
3Chopt Investment Partners, LLC723$419.3K0.09%+2+0.3%Added
Facet Wealth, Inc.692$420.4K0.01%+211+43.9%Added
Avion Wealth727$421.0K0.09%+2+0.3%Added
ProCore Advisors, LLC729$422.5K0.43%+729New
Fiducient Advisors LLC730$423.3K0.05%+730New
Canoe Financial LP732$424.2K0.01%−8,268−91.9%Reduced
Founders Financial Alliance, LLC732$424.3K0.08%+9+1.2%Added
Paragon Private Wealth Management, LLC733$424.8K0.13%+73+11.1%Added
Spartan Planning & Wealth Management736$426.5K0.31%+736New
Fedenia Advisers LLC739$428.2K0.16%−7−0.9%Reduced
Brandywine Oak Private Wealth LLC740$428.8K0.04%00.0%Unchanged
Yarbrough Capital, LLC742$430.0K0.01%00.0%Unchanged
Arq Wealth Advisors, LLC743$430.5K0.12%−58−7.2%Reduced
Hickory Point Bank & Trust744$431.1K0.31%00.0%Unchanged
Apella Capital, LLC744$431.1K0.01%+18+2.5%Added
Proactive Wealth Strategies LLC745$431.9K0.17%+30+4.2%Added
Challenger Wealth Management748$433.5K0.33%00.0%Unchanged
Granite Harbor Advisors, Inc.751$435.2K0.18%+55+7.9%Added
ORG Partners LLC751$435.2K0.08%+5+0.7%Added
Eldridge Investment Advisors, Inc.752$435.8K0.10%+44+6.2%Added
Silver Lake Advisory, LLC753$436.3K0.17%00.0%Unchanged
Rossby Financial, LCC754$436.9K0.14%−853−53.1%Reduced
Polymer Capital Management (US) LLC754$436.9K0.06%−510−40.3%Reduced
Key Financial Inc755$437.5K0.08%00.0%Unchanged
Sargent Investment Group, LLC755$437.5K0.05%+755New
Carr Financial Group Corp756$438.1K0.12%+4+0.5%Added
Elevate Capital Advisors, LLC756$438.2K0.29%−59−7.2%Reduced
Monument Capital Management758$438.9K0.11%00.0%Unchanged
Pennsylvania Capital Management Inc759$439.8K0.12%+28+3.8%Added
Community Financial Services Group, LLC761$441.0K0.08%+33+4.5%Added
SageGuard Financial Group, LLC763$442.1K0.07%+763New
Montis Financial, LLC765$443.3K0.09%00.0%Unchanged
Canandaigua National Trust Co of Florida765$443.3K0.28%+22+3.0%Added
Etesian Wealth Advisors, Inc.766$443.9K0.14%−20−2.5%Reduced
Creegan & Nassoura Financial Group, LLC767$444.4K0.29%00.0%Unchanged
WP Advisors, LLC769$445.4K0.11%−249−24.5%Reduced
Claro Advisors LLC771$446.6K0.06%+40+5.5%Added
First Bank & Trust771$446.8K0.07%−8−1.0%Reduced
Schnieders Capital Management, LLC.772$447.3K0.07%−35−4.3%Reduced
Seven Mile Advisory775$449.0K0.08%−96−11.0%Reduced
Benin Management CORP775$449.1K0.10%00.0%Unchanged
Pacific Sage Partners, LLC775$449.1K0.07%+16+2.1%Added
Cary Street Partner Investment Advisory LLC775$449.1K0.12%+122+18.7%Added
DRW Securities, LLC779$449.9K0.03%+214+37.9%Added
Canvas Wealth Advisors, LLC778$450.8K0.08%−350−31.0%Reduced
Chesapeake Capital Corp779$451.4K0.38%+779New
Carrera Capital Advisors779$451.9K0.08%+97+14.2%Added
Chancellor Financial Group WB LP781$452.6K0.31%00.0%Unchanged
Alhambra Investment Partners LLC782$453.1K0.21%00.0%Unchanged