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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: 2,320 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 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 20252,707$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, 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
Peregrine Capital Management LLC1,811$878.4K0.03%00.0%Unchanged
Chiron Capital Management, LLC1,800$873.0K0.75%−600−25.0%Reduced
Politan Capital Management LP1,799$872.6K0.08%+1,799New
Venator Management LLC1,797$871.6K0.21%+1,297+259.4%Added
Tikehau Investment Management1,791$868.7K1.27%−9−0.5%Reduced
Turtle Creek Wealth Advisors, LLC1,789$867.7K0.08%+602+50.7%Added
Marino, Stram & Associates LLC1,777$861.9K0.16%−65−3.5%Reduced
Worth Financial Advisory Group, LLC1,765$856.3K0.48%+154+9.6%Added
Rossby Financial, LCC1,607$852.9K0.28%−107−6.2%Reduced
Gries Financial LLC1,756$851.7K0.13%+219+14.2%Added
Evoke Wealth, LLC1,753$851.2K0.02%+383+28.0%Added
Investment House LLC1,748$847.8K0.04%−2,696−60.7%Reduced
Essex Savings Bank1,733$840.5K0.19%+56+3.3%Added
Harrell Investment Partners, LLC1,726$837.2K0.20%+35+2.1%Added
Fosun International Ltd1,726$837.1K0.31%00.0%Unchanged
Johnson Financial Group, Inc.1,724$836.9K0.03%+51+3.0%Added
Hazlett, Burt & Watson, Inc.1,720$836.0K0.30%−40−2.3%Reduced
Prudent Man Advisors, LLC1,715$831.8K0.31%−218−11.3%Reduced
Integrated Advisors Network LLC1,712$830.5K0.03%+189+12.4%Added
Colonial River Wealth Management, LLC1,712$830.4K0.31%+55+3.3%Added
Savvy Advisors, Inc.1,712$830.2K0.04%−97−5.4%Reduced
Tompkins Financial Corp1,707$827.9K0.07%00.0%Unchanged
Somerville Kurt F1,705$827.0K0.14%+100+6.2%Added
Strategic Blueprint, LLC1,702$825.4K0.04%+59+3.6%Added
Sanders Morris Harris LLC1,700$824.5K0.11%+1,700New
Caldwell Trust Co1,698$823.6K0.08%−18−1.0%Reduced
Financial Security Advisor, Inc.1,696$823.1K0.18%+764+82.0%Added
Cidel Asset Management Inc1,693$821.1K0.05%+133+8.5%Added
Jacobsen Capital Management1,687$818.2K0.28%+101+6.4%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA1,683$816.3K0.19%+45+2.7%Added
Nicolet Bankshares Inc1,678$813.9K0.13%−60−3.5%Reduced
Global Strategic Investment Solutions, LLC1,674$811.9K0.08%−23−1.4%Reduced
Farmers National Bank1,674$811.9K0.19%−11−0.7%Reduced
Sax Wealth Advisors, LLC1,671$810.5K0.04%+92+5.8%Added
Seelaus Asset Management LLC1,667$808.5K0.64%+1+0.1%Added
Northern Oak Wealth Management Inc1,657$803.7K0.10%+4+0.2%Added
Sanibel Captiva Trust Company, Inc.1,657$803.7K0.02%+38+2.3%Added
Scientech Research LLC1,652$801.3K0.28%−794−32.5%Reduced
Legacy Edge Advisors, LLC1,643$796.9K0.09%−73−4.3%Reduced
Headinvest, LLC1,639$795.0K0.16%+153+10.3%Added
Hartford Financial Management Inc.1,628$789.6K0.21%−125−7.1%Reduced
Heritage Wealth Advisors1,626$788.6K0.03%00.0%Unchanged
Aspiriant, LLC1,617$784.3K0.02%−11−0.7%Reduced
Mairs & Power Inc1,616$783.8K0.01%00.0%Unchanged
Renaissance Group LLC1,612$781.8K0.03%−50−3.0%Reduced
Pathway Financial Advisers, LLC1,643$781.0K0.23%+151+10.1%Added
Rodgers Brothers Inc.1,609$780.4K0.10%−7,435−82.2%Reduced
Aurdan Capital Management, LLC1,604$778.0K0.25%−3,285−67.2%Reduced
Groesbeck Investment Management Corp1,602$777.0K1.52%−1,140−41.6%Reduced
Zuckerman Investment Group, LLC1,600$776.0K0.07%00.0%Unchanged
Caption Management, LLC1,600$776.0K0.05%+1,600New
Delta Financial Advisors LLC1,600$776.0K0.22%+1,600New
Soltis Investment Advisors LLC1,597$774.7K0.05%+178+12.5%Added
Perennial Investment Advisors, LLC1,597$774.6K0.06%+134+9.2%Added
Verity Asset Management, Inc.1,596$774.1K0.25%+1,596New
Element Pointe Advisors, LLC1,595$773.7K0.16%+50+3.2%Added
Kennebec Savings Bank1,594$773.1K0.70%+116+7.8%Added
Hall Capital Management Co Inc1,592$772.2K0.30%−3,297−67.4%Reduced
Camden Capital, LLC1,591$771.8K0.05%+788+98.1%Added
Biltmore Family Office, LLC1,581$767.5K0.11%+61+4.0%Added
Martingale Asset Management L P1,581$766.8K0.02%−2,451−60.8%Reduced
Wimmer Associates 1, LLC1,562$757.6K0.36%00.0%Unchanged
SOL Capital Management CO1,560$757.0K0.07%+140+9.9%Added
Ancora Advisors, LLC1,546$749.8K0.02%+126+8.9%Added
Romano Brothers and Company1,542$747.9K0.09%00.0%Unchanged
Biltmore Wealth Management, LLC1,539$746.5K0.28%+152+11.0%Added
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors1,538$745.9K0.09%−34−2.2%Reduced
VeraBank, N.A.1,532$743.1K0.14%−85−5.3%Reduced
Caitong International Asset Management Co., Ltd1,531$742.6K0.51%+1,140+291.6%Added
Shell Asset Management Co1,530$742.0K0.07%−20,942−93.2%Reduced
Diversify Wealth Management, LLC1,307$738.6K0.04%−895−40.6%Reduced
Trueblood Wealth Management, LLC1,520$737.3K0.29%−544−26.4%Reduced
Tradition Wealth Management, LLC1,518$736.2K0.05%+161+11.9%Added
Arrowpoint Investment Partners (Singapore) Pte. Ltd.1,512$733.4K1.07%+1,512New
Trust Point Inc.1,509$731.9K0.06%+18+1.2%Added
Heartland Bank & Trust Co1,502$728.5K0.30%+1+0.1%Added
Asset Advisors Investment Management, LLC1,500$727.5K0.07%−105−6.5%Reduced
Cambria Investment Management, L.P.1,490$722.7K0.04%+1,490New
Calamos Wealth Management LLC1,485$720.3K0.03%+262+21.4%Added
Richardson Financial Services Inc.1,481$718.3K0.45%+32+2.2%Added
Wellington Shields & Co., LLC1,467$711.5K0.19%−213−12.7%Reduced
CVA Family Office, LLC1,465$710.7K0.09%+166+12.8%Added
Colonial Trust Co1,456$706.1K0.10%−15−1.0%Reduced
Segment Wealth Management, LLC1,453$704.7K0.04%−106−6.8%Reduced
First County Bank1,447$701.8K0.36%+66+4.8%Added
Oak Grove Capital LLC1,444$700.4K0.15%−1,750−54.8%Reduced
Asset Dedication, LLC1,432$694.5K0.05%+50+3.6%Added
Two Sigma Securities, LLC1,430$693.6K0.10%−10,218−87.7%Reduced
Hall Laurie J Trustee1,423$689.7K0.23%00.0%Unchanged
ICW Investment Advisors LLC1,420$688.8K0.25%+156+12.3%Added
Vickerman Investment Advisors, Inc.1,419$688.2K0.14%+404+39.8%Added
SeaCrest Wealth Management, LLC1,279$685.8K0.07%−241−15.9%Reduced
Diversified Enterprises, LLC1,411$684.4K0.05%+22+1.6%Added
Meritage Portfolio Management1,410$683.9K0.05%00.0%Unchanged
Capital Investment Advisors, LLC1,410$683.8K0.01%+130+10.2%Added
Fortitude Family Office, LLC1,407$682.4K0.18%+18+1.3%Added
Burney Co1,399$678.4K0.02%+162+13.1%Added
Private Capital Management, LLC1,396$677.1K0.06%00.0%Unchanged
Everhart Financial Group, Inc.1,395$676.6K0.07%+602+75.9%Added
Byrne Financial Freedom, LLC1,395$676.6K0.34%−16−1.1%Reduced