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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
Obermeyer Wood Investment Counsel, LLLP1,129$547.6K0.03%−12−1.1%Reduced
Marathon Capital Management1,127$546.6K0.13%00.0%Unchanged
Plum Street Advisors, LLC1,125$545.6K0.21%−6−0.5%Reduced
Clarendon Private LLC1,123$544.7K0.49%+325+40.7%Added
Wealth Alliance Advisory Group, LLC1,122$544.2K0.10%00.0%Unchanged
Mascoma Wealth Management LLC1,120$543.2K0.12%−14−1.2%Reduced
Welch Group, LLC1,117$541.8K0.02%+1,117New
American State Bank (Iowa)1,116$541.3K0.28%+45+4.2%Added
LifeWealth Investments, LLC1,116$541.0K0.08%+3+0.3%Added
Davy Global Fund Management Ltd1,110$538.4K0.04%−1,630−59.5%Reduced
Guardian Wealth Advisors, LLC1,109$538.0K0.04%−84−7.0%Reduced
Versant Capital Management, Inc1,108$537.4K0.07%+351+46.4%Added
TFR Capital, LLC.1,098$532.6K0.18%−53−4.6%Reduced
Monticello Wealth Management, LLC1,091$529.6K0.04%−167−13.3%Reduced
Patrick M Sweeney & Associates, Inc1,091$529.2K0.34%+14+1.3%Added
Old Second National Bank of Aurora1,091$529.2K0.11%00.0%Unchanged
Spirit of America Management Corp1,090$528.7K0.11%00.0%Unchanged
Dudley Capital Management, LLC1,084$525.5K0.24%00.0%Unchanged
Simplicity Wealth,LLC1,082$524.9K0.03%−1,191−52.4%Reduced
Fortitude Advisory Group L.L.C.1,081$524.3K0.28%+23+2.2%Added
Interchange Capital Partners, LLC1,078$524.3K0.10%+94+9.6%Added
Compass Wealth Management LLC1,079$523.3K0.12%−25−2.3%Reduced
Hilltop National Bank1,075$521.4K0.13%+238+28.4%Added
Natural Investments, LLC1,075$521.0K0.13%−3,708−77.5%Reduced
Plancorp, LLC1,069$518.5K0.02%+140+15.1%Added
Onefund, LLC1,066$517.0K0.33%+42+4.1%Added
Fortis Advisors, LLC1,065$516.5K0.29%−625−37.0%Reduced
Rogco, LP1,059$513.6K0.18%+69+7.0%Added
YANKCOM Partnership1,055$511.7K0.23%+106+11.2%Added
Rosenberg Matthew Hamilton1,054$511.2K0.11%−112−9.6%Reduced
Kingswood Wealth Advisors, LLC1,053$510.7K0.03%−219−17.2%Reduced
GLOBALT Investments LLC1,050$509.3K0.02%00.0%Unchanged
Violich Capital Management, Inc.1,050$509.3K0.06%+39+3.9%Added
Arcataur Capital Management LLC1,048$508.3K0.15%−57−5.2%Reduced
Unified Investment Management1,046$507.4K0.51%+78+8.1%Added
Mather Group, LLC.1,046$507.3K0.01%−561−34.9%Reduced
Sentry Investment Management LLC946$507.0K0.34%−199−17.4%Reduced
Cranbrook Wealth Management, LLC1,044$506.4K0.10%00.0%Unchanged
Weaver Capital Management LLC1,044$506.4K0.11%+1,044New
Armstrong Advisory Group, Inc1,039$503.9K0.04%+23+2.3%Added
Elyxium Wealth, LLC1,038$503.5K0.18%+5+0.5%Added
AGH Wealth Advisors, LLC1,038$503.4K0.37%+186+21.8%Added
Seeds Investor LLC1,033$501.3K0.11%+273+35.9%Added
MONECO Advisors, LLC1,031$500.2K0.04%+21+2.1%Added
Moss Adams Wealth Advisors LLC1,026$498.1K0.04%+53+5.4%Added
Wrapmanager Inc1,024$496.7K0.15%−630−38.1%Reduced
Capital Advisors, Ltd. LLC1,023$496.0K0.06%+5+0.5%Added
SC&H Financial Advisors, Inc.1,021$495.4K0.08%00.0%Unchanged
Mengis Capital Management, Inc.1,020$494.7K0.10%+50+5.2%Added
Advisory Alpha, LLC941$494.2K0.01%−133−12.4%Reduced
WP Advisors, LLC1,018$493.8K0.13%−32−3.0%Reduced
Kearns & Associates LLC1,018$493.8K0.26%−115−10.2%Reduced
Elwood & Goetz Wealth Advisory Group, LLC1,013$491.3K0.09%+38+3.9%Added
Davidson Trust Co1,012$490.8K0.20%−30−2.9%Reduced
Provident Trust Co1,010$489.9K0.01%00.0%Unchanged
Valmark Advisers, Inc.1,003$486.5K0.01%+80+8.7%Added
Letson Investment Management, Inc.1,002$486.0K0.17%00.0%Unchanged
Summa Corp.1,000$485.0K0.21%00.0%Unchanged
Corient IA LLC1,000$485.0K0.36%+500+100.0%Added
Maxi Investments CY Ltd1,000$485.0K0.10%+1,000New
Main Street Research LLC996$483.1K0.03%+78+8.5%Added
University of Texas/Texas Am Investment Managment Co996$483.1K0.07%+996New
Everpar Advisors LLC991$480.7K0.19%+217+28.0%Added
Journey Advisory Group, LLC985$477.7K0.04%−5,455−84.7%Reduced
Elevatus Welath Management983$476.8K0.14%−2−0.2%Reduced
Canopy Partners, LLC981$475.8K0.16%−134−12.0%Reduced
Great Diamond Partners, LLC979$474.8K0.09%+51+5.5%Added
Crews Bank & Trust977$473.9K0.07%00.0%Unchanged
Archer Investment Corp976$473.5K0.11%00.0%Unchanged
Inscription Capital, LLC976$473.5K0.05%+54+5.9%Added
Impact Capital Partners LLC975$472.9K0.14%−9−0.9%Reduced
First Foundation Advisors974$472.4K0.02%−1,131−53.7%Reduced
Oak Thistle LLC972$471.4K0.07%+214+28.2%Added
Texas Capital Bank Wealth Management Services Inc971$471.0K0.04%−1,387−58.8%Reduced
E&G Advisors, LP969$470.0K0.11%00.0%Unchanged
Quotient Wealth Partners, LLC968$469.7K0.01%+58+6.4%Added
Capital Investment Advisory Services, LLC965$468.2K0.04%+16+1.7%Added
Sentry LLC965$468.0K0.12%00.0%Unchanged
Cornerstone Advisory, LLC962$466.7K0.05%+209+27.8%Added
Atala Financial Inc960$465.6K0.29%−118−10.9%Reduced
Institute for Wealth Management, LLC.956$463.7K0.05%+55+6.1%Added
LWM Advisory Services, LLC912$461.7K0.27%+2+0.2%Added
Full Sail Capital, LLC951$461.3K0.03%−1,186−55.5%Reduced
Ausdal Financial Partners, Inc.950$460.7K0.02%+950New
Beese Fulmer Investment Management, Inc.949$460.4K0.03%+10+1.1%Added
Blalock Williams, LLC949$460.3K0.40%+134+16.4%Added
Terry L. Blaker948$459.8K0.02%−1,012−51.6%Reduced
True North Advisors, LLC944$457.9K0.07%+418+79.5%Added
Deerfield Management Company, L.P. (Series C)944$457.9K0.01%+28+3.1%Added
Win Advisors, Inc944$457.9K0.22%+944New
GSB Wealth Management, LLC943$457.6K0.10%−160−14.5%Reduced
Alpine Woods Capital Investors, LLC943$457.4K0.11%+18+1.9%Added
Grant Private Wealth Management Inc943$457.4K0.28%+943New
Hanson & Doremus Investment Management936$454.0K0.06%+13+1.4%Added
Lafayette Investments, Inc.935$453.5K0.09%+8+0.9%Added
Hoey Investments, Inc934$453.0K0.06%−87−8.5%Reduced
Kathmere Capital Management, LLC932$452.0K0.03%+360+62.9%Added
Argentarii, LLC930$451.1K0.19%−94−9.2%Reduced
Armbruster Capital Management, Inc.926$449.1K0.08%−2−0.2%Reduced
Arvest Bank Trust Division922$447.2K0.02%−273−22.8%Reduced