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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
Southern Michigan Bank & Trust393$193.2K0.07%+393New
Perkins Coie Trust Co395$194.2K0.04%−30−7.1%Reduced
West Branch Capital LLC398$195.6K0.05%−1,699−81.0%Reduced
Corient IA LLC400$196.6K0.18%−100−20.0%Reduced
Cheviot Value Management, LLC405$199.1K0.02%00.0%Unchanged
Waldron Private Wealth LLC408$200.5K0.01%−172−29.7%Reduced
Caliber Wealth Management, LLC409$201.0K0.02%+59+16.9%Added
Allred Capital Management, LLC409$201.1K0.07%+8+2.0%Added
Revisor Wealth Management LLC410$201.6K0.06%+1+0.2%Added
JB Capital LLC412$202.7K0.01%−6,260−93.8%Reduced
Steigerwald, Gordon & Koch Inc.414$203.6K0.02%+62+17.6%Added
Mine & Arao Wealth Creation & Management, LLC.414$203.6K0.09%00.0%Unchanged
RAM Investment Partners, LLC415$204.0K0.04%+150+56.6%Added
Mattson Financial Services, LLC416$204.5K0.05%−107−20.5%Reduced
Meridian Wealth Partners, LLC418$205.5K0.03%−3−0.7%Reduced
49 Wealth Management, LLC418$205.5K0.02%+418New
Berkshire Asset Management LLC419$206.0K0.01%−245−36.9%Reduced
Pacitti Group Inc.419$206.1K0.08%00.0%Unchanged
Burr Financial Services, LLC420$206.4K0.16%−22−5.0%Reduced
Byrne Asset Management LLC421$206.9K0.12%−61−12.7%Reduced
Whipplewood Advisors, LLC421$206.9K0.11%+123+41.3%Added
Patton Fund Management, Inc.423$207.9K0.04%+42+11.0%Added
Focused Wealth Management, Inc423$208.1K0.02%+423New
Old Peak Finance LLC424$208.4K0.12%−3−0.7%Reduced
Moseley Investment Management Inc425$208.8K0.07%00.0%Unchanged
Avenue 1 Advisors, LLC425$208.9K0.06%+1+0.2%Added
Wealth Dimensions Group, Ltd.427$209.9K0.04%+27+6.8%Added
Semus Wealth Partners LLC428$210.2K0.12%+6+1.4%Added
Chesapeake Capital Corp428$210.4K0.15%−351−45.1%Reduced
Kohmann Bosshard Financial Services, LLC428$210.4K0.02%00.0%Unchanged
NCM Capital Management, LLC428$210.4K0.08%00.0%Unchanged
Atlas Legacy Advisors, LLC430$210.8K0.04%−213−33.1%Reduced
Pasadena Private Wealth, LLC429$210.9K0.03%00.0%Unchanged
Texas Yale Capital Corp.430$211.4K0.01%−30−6.5%Reduced
Brooks, Moore & Associates, Inc.430$211.4K0.11%00.0%Unchanged
Lake Street Financial LLC430$211.4K0.03%+2+0.5%Added
Kingsbury Capital Investment Advisors LLC430$211.4K0.20%+430New
Vision Retirement, LLC431$211.8K0.06%+1+0.2%Added
TCI Wealth Advisors, Inc.431$211.8K0.01%+22+5.4%Added
IFG Advisors, LLC432$212.3K0.03%−112−20.6%Reduced
StoryOne LLC0$212.3K0.12%0Unchanged
Clark Financial Services Group Inc433$212.8K0.12%+22+5.4%Added
S.A. Mason LLC433$212.8K0.08%+75+20.9%Added
Clear Wave Wealth Management LLC433$212.8K0.05%+433New
RFG - Bristol Wealth Advisors, LLC433$213.0K0.06%−35−7.5%Reduced
Avise Financial Cooperative, Inc.434$213.2K0.18%+1+0.2%Added
Triumph Capital Management434$213.5K0.04%+3+0.7%Added
PFG Advisors436$214.1K0.01%−11−2.5%Reduced
Warwick Investment Management, Inc.436$214.3K0.03%−34−7.2%Reduced
J.Safra Asset Management Corp436$214.3K0.01%+31+7.7%Added
Foster Group, Inc.436$214.3K0.01%+33+8.2%Added
Triad Wealth Partners, LLC436$214.5K0.02%−54−11.0%Reduced
Plante Moran Financial Advisors, LLC437$214.8K0.01%−31−6.6%Reduced
NewSquare Capital LLC437$214.8K0.02%+437New
Horizon Kinetics Asset Management LLC438$215.3K0.00%00.0%Unchanged
Stonebridge Financial Group, LLC439$215.8K0.18%00.0%Unchanged
Wealth Group, Ltd.439$216.0K0.20%+439New
Veracity Capital LLC440$216.1K0.08%−513−53.8%Reduced
OneAscent Financial Services LLC440$216.2K0.01%+440New
Perissos Private Wealth Management, LLC440$216.3K0.19%00.0%Unchanged
Sovran Advisors, LLC452$216.5K0.02%+42+10.2%Added
Clifford Group, LLC441$216.8K0.17%−47−9.6%Reduced
Altar Rock LLC444$218.4K0.26%−1−0.2%Reduced
Tempo Wealth, LLC445$218.5K0.04%00.0%Unchanged
Baron Silver Stevens Financial Advisors, LLC444$218.6K0.03%−25−5.3%Reduced
Sound Income Strategies, LLC442$218.6K0.01%+8+1.8%Added
Gsa Capital Partners LLP447$220.0K0.01%+447New
Strata Wealth Advisors, LLC449$220.7K0.06%−10−2.2%Reduced
Penobscot Wealth Management449$220.7K0.07%00.0%Unchanged
LeConte Wealth Management, LLC449$220.7K0.14%+25+5.9%Added
Heathbridge Capital Management Ltd.450$221.2K0.08%−25−5.3%Reduced
Wallace Capital Management Inc.450$221.2K0.03%00.0%Unchanged
Oak Harbor Wealth Partners, LLC450$221.2K0.05%00.0%Unchanged
Garrison Point Advisors, LLC451$221.7K0.10%00.0%Unchanged
Shepherd Financial Partners LLC453$222.7K0.02%00.0%Unchanged
Kiley Juergens Wealth Management, LLC454$223.4K0.04%+454New
CVFG LLC455$223.6K0.03%00.0%Unchanged
Ground Swell Capital, LLC456$224.1K0.44%+456New
Fedenia Advisers LLC459$225.6K0.17%−280−37.9%Reduced
Southeast Asset Advisors Inc.459$225.6K0.02%00.0%Unchanged
Financial Perspectives, Inc460$225.9K0.06%00.0%Unchanged
Reflection Asset Management460$226.1K0.14%00.0%Unchanged
Benchmark Investment Advisors LLC462$226.9K0.13%+462New
Intellectus Partners, LLC463$227.9K0.05%+6+1.3%Added
Peoples Financial Services Corp.464$228.1K0.11%−4−0.9%Reduced
Stewardship Advisors, LLC464$228.1K0.05%−15−3.1%Reduced
Nations Financial Group Inc,465$228.6K0.01%−100−17.7%Reduced
Hohimer Wealth Management, LLC465$228.7K0.03%−6−1.3%Reduced
Curated Wealth Partners LLC466$229.1K0.03%+3+0.6%Added
Tranquilli Financial Advisor LLC466$229.1K0.13%+466New
Atlas Capital Advisors LLC467$229.5K0.03%+130+38.6%Added
RWM Asset Management, LLC467$229.5K0.03%00.0%Unchanged
Purpose Unlimited Inc.467$229.6K0.01%+467New
Sentinus, LLC468$230.0K0.02%+36+8.3%Added
DV Trading LLC470$231.0K0.02%+310+193.8%Added
Allen Investment Management LLC471$231.5K0.00%−195−29.3%Reduced
Hexagon Capital Partners LLC472$232.0K0.03%+472New
Eurizon SLJ Capital Ltd473$232.5K0.11%+221+87.7%Added
Ewa, LLC474$233.0K0.05%+474New
Keudell/Morrison Wealth Management474$233.0K0.05%+28+6.3%Added