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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, Q2 2026

Institutional positions in Thermo Fisher Scientific Inc. as of Jun 30, 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

Q3 2026 data is still coming in: 15 institutions have reported holding TMO so far. See Q3 2026

Institutional holders
2,628
+52 vs. Q1 2026
Shares held
336.0M
+4.61M (+1.4%) vs. Q1 2026
Total value
$169.2B
+$5.54B (+3.4%) vs. Q1 2026
New holders
200
936 more added
Sold out
148
1,162 more reduced

36 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 2,628 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 heldQ2 2026: $169.2B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q1 2026.

Institutions holding TMO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
ProCore Advisors, LLC664$332.9K0.41%−38−5.4%Reduced
Old North State Wealth Management, LLC661$332.6K0.14%+60+10.0%Added
Bolthouse Investments, LLC662$331.9K0.27%+662New
Trust Co of Toledo NA661$331.4K0.03%+32+5.1%Added
Leonard Rickey Investment Advisors P.L.L.C.660$330.9K0.05%+660New
Heathbridge Capital Management Ltd.660$330.9K0.11%+210+46.7%Added
Castleview Partners, LLC658$329.9K0.14%−2−0.3%Reduced
Cape Ann Savings Bank658$329.9K0.16%+95+16.9%Added
Roman Butler Fullerton & Co623$329.3K0.08%+1+0.2%Added
Flagship Wealth Advisors, LLC656$328.9K0.07%00.0%Unchanged
Old Second National Bank of Aurora652$326.9K0.06%−392−37.5%Reduced
Obermeyer Wood Investment Counsel, LLLP652$326.9K0.01%−43−6.2%Reduced
Costello Asset Management, INC652$326.9K0.10%+13+2.0%Added
Excalibur Management Corp651$326.4K0.11%00.0%Unchanged
Approach Retirement Advisors, LLC650$326.0K0.24%00.0%Unchanged
Drum Hill Capital, LLC650$325.9K0.33%00.0%Unchanged
Concord Wealth Partners649$325.4K0.04%+97+17.6%Added
Enhancing Capital LLC649$325.4K0.22%+143+28.3%Added
Aventura Private Wealth, LLC648$324.9K0.10%+58+9.8%Added
55 North Private Wealth, LLC643$322.4K0.06%−190−22.8%Reduced
Wallace Advisory Group, LLC642$321.9K0.30%+15+2.4%Added
Layline Advisors, LLC640$321.0K0.29%−20−3.0%Reduced
Transamerica Financial Advisors, Inc.638$320.6K0.03%−7,922−92.5%Reduced
BTG Pactual Asset Management US LLC639$320.4K0.02%+639New
Strategic Investment Advisors636$318.9K0.02%+49+8.3%Added
McLean Asset Management Corp555$318.8K0.04%−12−2.1%Reduced
Kensington Investment Counsel, LLC632$316.9K0.14%−376−37.3%Reduced
DV Trading LLC632$316.9K0.03%+162+34.5%Added
Spectrum Investment Advisors, Inc.630$315.9K0.13%+630New
Cabot Wealth Management Inc629$315.4K0.03%00.0%Unchanged
Sage Rhino Capital LLC629$315.4K0.05%+4+0.6%Added
Investment Research Partners LLC629$315.4K0.11%+40+6.8%Added
American State Bank (Iowa)628$314.9K0.13%−532−45.9%Reduced
Mitchell Capital Management Co628$314.9K0.05%−201−24.2%Reduced
Schneider Downs Wealth Management Advisors, LP628$314.7K0.03%+92+17.2%Added
Claret Asset Management Corp626$314.0K0.03%−114−15.4%Reduced
REYL & Cie S.A.636$313.5K0.36%+636New
Terry L. Blaker625$313.4K0.01%−23−3.5%Reduced
Ostrum Asset Management625$313.4K0.02%00.0%Unchanged
South Shore Capital Advisors624$312.8K0.21%00.0%Unchanged
Forum Finance Group S.A.770$312.0K0.11%+770New
Patten & Patten Inc622$311.8K0.02%00.0%Unchanged
Horizon Investment Services, LLC621$311.3K0.09%−2−0.3%Reduced
Twin City Private Wealth, LLC619$310.6K0.22%+63+11.3%Added
Fulton Breakefield Broenniman LLC619$310.4K0.02%+9+1.5%Added
Silver Oak Securities, Inc619$310.1K0.02%+102+19.7%Added
McAdam, LLC618$309.8K0.01%+34+5.8%Added
Arlington Partners LLC618$309.8K0.56%+114+22.6%Added
Weatherly Asset Management L. P.616$309.0K0.02%−15−2.4%Reduced
BIP Wealth, LLC614$307.8K0.01%−1,282−67.6%Reduced
Titleist Asset Management, LLC612$307.1K0.02%+612New
MBE Wealth Management, LLC612$306.8K0.11%+6+1.0%Added
Kestra Investment Management, LLC611$306.2K0.01%−35−5.4%Reduced
Basecamp Wealth Advisors LLC610$306.0K0.06%−2−0.3%Reduced
Davis Capital Management610$305.8K0.18%+606+15,150.0%Added
HHM Wealth Advisors, LLC606$303.8K0.03%00.0%Unchanged
Hummer Financial Advisory Services Inc605$303.6K0.20%00.0%Unchanged
Farmers & Merchants Trust Co of Long Beach605$303.3K0.07%00.0%Unchanged
Mitchell Sinkler & Starr602$301.8K0.13%−105−14.9%Reduced
Arbor Investment Advisors, LLC601$301.5K0.03%+601New
Rainier Family Wealth Inc601$301.3K0.17%+5+0.8%Added
Schnieders Capital Management, LLC.601$301.3K0.04%00.0%Unchanged
Insight Inv LLC600$300.8K0.14%00.0%Unchanged
Evanson Financial, LLC600$300.8K0.01%+600New
Retirement Planning Group600$300.6K0.01%−53−8.1%Reduced
Atlas Brown,Inc.599$300.4K0.08%−11−1.8%Reduced
Unique Wealth Strategies, LLC596$298.8K0.11%−109−15.5%Reduced
Fieldview Capital Management, LLC595$298.3K0.09%+595New
BlackDiamond Wealth Management Inc.497$298.0K0.12%+497New
Lynx Investment Advisory594$297.6K0.10%+594New
Financial Council Asset Management Inc591$296.3K0.10%00.0%Unchanged
New Covenant Trust Company, N.A.588$294.8K0.22%+78+15.3%Added
Ironwood Investment Counsel, LLC588$294.8K0.04%00.0%Unchanged
BW Gestao de Investimentos Ltda.587$294.3K0.01%+54+10.1%Added
Greenwich Wealth Management LLC584$293.0K0.01%−232−28.4%Reduced
Oarsman Capital, Inc.582$291.8K0.03%+48+9.0%Added
Howard Financial Services, Ltd.581$291.1K0.03%−144−19.9%Reduced
LWM Advisory Services, LLC579$290.3K0.52%−129−18.2%Reduced
Traveka Wealth, LLC576$288.9K0.10%−26−4.3%Reduced
Northstar Group, Inc.573$287.3K0.04%00.0%Unchanged
Sage Private Wealth Group, LLC572$286.8K0.13%+572New
Raub Brock Capital Management LP570$285.8K0.08%00.0%Unchanged
Breakwater Capital Group570$285.6K0.03%−818−58.9%Reduced
Mattson Financial Services, LLC525$285.2K0.06%+109+26.2%Added
Legacy Wealth Advisors, LLC568$284.8K0.12%−455−44.5%Reduced
Five Oceans Advisors568$284.8K0.09%+1+0.2%Added
Invenio Wealth Partners LLC568$284.8K0.10%+19+3.5%Added
Patriot Financial Group Insurance Agency, LLC567$284.3K0.03%−497−46.7%Reduced
First Community Trust NA567$284.3K0.13%00.0%Unchanged
Sendero Wealth Management, LLC566$283.8K0.03%−5−0.9%Reduced
Dynamic Wealth Strategies, LLC566$283.8K0.15%+10+1.8%Added
Somerset Trust Co565$283.3K0.08%−22−3.7%Reduced
Legacy Capital Wealth Partners, LLC564$282.9K0.05%−428−43.1%Reduced
Chemistry Wealth Management LLC563$282.3K0.05%−86−13.3%Reduced
Tiemann Investment Advisors, LLC563$282.3K0.10%−40−6.6%Reduced
Bell Bank563$282.3K0.01%+47+9.1%Added
Smith, Moore & Co.562$282.0K0.02%−2−0.4%Reduced
Evermay Wealth Management LLC562$281.9K0.03%−25−4.3%Reduced
Piedmont Capital Management, LLC562$281.8K0.17%+2+0.4%Added
SBI Securities Co., Ltd.561$281.3K0.01%+28+5.3%Added