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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
−56 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
229
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: 2,320 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 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 20252,707$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, 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
Princeton Capital Management LLC932$458.1K0.12%+10+1.1%Added
Schmidt P J Investment Management Inc939$461.5K0.08%−153−14.0%Reduced
Retirement Planning Co of New England, Inc.940$462.1K0.19%+85+9.9%Added
Wrapmanager Inc942$463.0K0.16%+22+2.4%Added
GSB Wealth Management, LLC942$463.2K0.10%+3+0.3%Added
Kearns & Associates LLC946$465.0K0.25%00.0%Unchanged
Capital Investment Advisory Services, LLC955$469.6K0.03%+14+1.5%Added
Ameliora Wealth Management Ltd.958$470.9K0.15%−72−7.0%Reduced
McElhenny Sheffield Capital Management, LLC958$470.9K0.12%+45+4.9%Added
Parcion Private Wealth LLC959$471.4K0.03%+55+6.1%Added
Vanguard National Trust Co959$471.4K0.03%+959New
Ausdal Financial Partners, Inc.964$473.9K0.02%−1,077−52.8%Reduced
Sentry LLC965$474.3K0.15%00.0%Unchanged
Impact Capital Partners LLC968$475.8K0.14%−10−1.0%Reduced
Topsail Wealth Management, LLC968$475.8K0.07%+79+8.9%Added
Archer Investment Corp976$479.9K0.10%00.0%Unchanged
Institute for Wealth Management, LLC.977$480.2K0.05%−2−0.2%Reduced
Crews Bank & Trust977$480.2K0.07%00.0%Unchanged
E&G Advisors, LP979$481.2K0.11%+10+1.0%Added
AAFMAA Wealth Management & Trust LLC980$481.7K0.19%+980New
Clarendon Private LLC985$484.1K0.37%−250−20.2%Reduced
True North Advisors, LLC985$484.2K0.06%−76−7.2%Reduced
Arvest Bank Trust Division987$485.1K0.03%+64+6.9%Added
Fortitude Advisory Group L.L.C.989$486.1K0.22%+1+0.1%Added
Legacy Capital Wealth Partners, LLC992$487.7K0.10%−335−25.2%Reduced
Davy Global Fund Management Ltd995$489.1K0.04%00.0%Unchanged
AGH Wealth Advisors, LLC997$490.1K0.36%−35−3.4%Reduced
Fca Corp1,000$491.5K0.14%−350−25.9%Reduced
Summa Corp.1,000$491.5K0.20%00.0%Unchanged
Elevatus Welath Management1,001$491.8K0.26%+18+1.8%Added
Mitsubishi UFJ Asset Management (UK) Ltd.1,000$492.0K0.25%−1,000−50.0%Reduced
Canopy Partners, LLC1,001$492.0K0.17%−20−2.0%Reduced
Journey Retirement Planning & Investment Management LLC1,001$492.4K0.43%−2,783−73.5%Reduced
Letson Investment Management, Inc.1,002$492.5K0.19%00.0%Unchanged
Alteri Wealth LLC1,004$493.7K0.16%−192−16.1%Reduced
Banco BTG Pactual S.A.1,005$494.0K0.10%+145+16.9%Added
Armstrong Advisory Group, Inc1,007$495.0K0.03%−34−3.3%Reduced
Kensington Investment Counsel, LLC1,008$495.5K0.24%−205−16.9%Reduced
Provident Trust Co1,010$496.4K0.01%00.0%Unchanged
Crux Wealth Advisors1,010$496.4K0.19%+1,010New
Accurate Wealth Management, LLC1,002$498.4K0.06%+126+14.4%Added
Concentric Capital Strategies, LP1,015$498.9K0.04%+638+169.2%Added
Baker Tilly Wealth Management, LLC1,016$499.5K0.12%−351−25.7%Reduced
Opal Wealth Advisors, LLC1,018$500.4K0.11%−59−5.5%Reduced
Alps Advisors Inc1,019$500.9K0.00%−300−22.7%Reduced
Isthmus Partners, LLC1,020$501.4K0.05%−150−12.8%Reduced
Capital Advisors, Ltd. LLC1,021$502.0K0.06%+968+1,826.4%Added
SC&H Financial Advisors, Inc.1,021$502.0K0.08%00.0%Unchanged
Legacy Wealth Advisors, LLC1,023$502.8K0.26%+616+151.4%Added
Elwood & Goetz Wealth Advisory Group, LLC1,023$502.9K0.09%−8−0.8%Reduced
Bingham Private Wealth, LLC1,026$504.3K0.40%+24+2.4%Added
Abel Hall, LLC1,028$505.3K0.11%+469+83.9%Added
Mengis Capital Management, Inc.1,030$506.3K0.09%−3−0.3%Reduced
Fiduciary Financial Group, LLC1,032$507.3K0.07%+594+135.6%Added
Valmark Advisers, Inc.1,035$508.8K0.01%−44−4.1%Reduced
CDM Financial Counseling Services, Inc.1,036$509.1K0.49%+54+5.5%Added
Onefund, LLC1,031$509.8K0.33%−91−8.1%Reduced
Pettyjohn, Wood & White, Inc1,038$510.2K0.08%00.0%Unchanged
Old Second National Bank of Aurora1,044$513.2K0.11%−32−3.0%Reduced
United Advisor Group, LLC1,044$513.2K0.06%−57−5.2%Reduced
XML Financial, LLC1,045$513.7K0.04%−20−1.9%Reduced
United Community Bank1,046$514.1K0.17%+979+1,461.2%Added
Impact Partnership Wealth, LLC1,047$514.6K0.06%+6+0.6%Added
Tandem Wealth Advisors LLC1,048$515.1K0.23%+92+9.6%Added
GLOBALT Investments LLC1,050$516.1K0.02%00.0%Unchanged
Marathon Capital Management1,052$517.1K0.12%−75−6.7%Reduced
Mather Group, LLC.1,052$517.3K0.01%−99−8.6%Reduced
Arcataur Capital Management LLC1,053$517.6K0.14%+10+1.0%Added
Souders Financial Advisors1,056$519.1K0.06%+137+14.9%Added
Patriot Financial Group Insurance Agency, LLC1,064$523.0K0.03%+594+126.4%Added
Fortis Advisors, LLC1,065$523.5K0.26%00.0%Unchanged
Welch Group, LLC1,070$526.0K0.02%00.0%Unchanged
Davidson Trust Co1,073$527.4K0.23%+123+12.9%Added
Salomon & Ludwin, LLC1,074$527.8K0.05%−21−1.9%Reduced
Mangrove Partners1,075$528.4K0.04%+1,075New
Providence First Trust Co1,078$529.9K0.19%−380−26.1%Reduced
Cambient Family Office, LLC1,078$530.4K0.07%+205+23.5%Added
Blalock Williams, LLC1,080$530.9K0.41%+51+5.0%Added
Regent Peak Wealth Advisors LLC1,080$531.0K0.11%−225−17.2%Reduced
Dudley Capital Management, LLC1,084$532.6K0.23%00.0%Unchanged
Natural Investments, LLC1,085$533.0K0.13%−3−0.3%Reduced
Spirit of America Management Corp1,090$535.8K0.11%00.0%Unchanged
Hilltop National Bank1,090$535.8K0.13%+38+3.6%Added
Ingalls & Snyder LLC1,093$537.0K0.02%−1,886−63.3%Reduced
Westmount Partners, LLC1,096$538.8K0.13%−151−12.1%Reduced
Violich Capital Management, Inc.1,100$540.7K0.06%00.0%Unchanged
Plancorp, LLC1,091$541.2K0.02%−29−2.6%Reduced
Mascoma Wealth Management LLC1,103$542.2K0.11%+4+0.4%Added
Guardian Wealth Advisors, LLC1,103$542.2K0.03%+6+0.5%Added
Hardworking Capital Advisors, LLC1,106$543.7K0.51%+5+0.5%Added
VUB Generali dochodkova spravcovska spolocnost, a.s.1,109$545.1K0.43%+625+129.1%Added
Beacon Investment Advisory Services, Inc.1,110$545.6K0.02%−117−9.5%Reduced
Patrick M Sweeney & Associates, Inc1,115$548.1K0.35%+8+0.7%Added
Wealth Architects, LLC1,116$548.3K0.05%−11−1.0%Reduced
Plum Street Advisors, LLC1,125$553.0K0.19%00.0%Unchanged
LVM Capital Management Ltd1,128$554.0K0.05%00.0%Unchanged
AlphaGrep UK Ltd1,132$556.4K0.16%+1,132New
1776 Wealth LLC1,133$556.9K0.22%00.0%Unchanged
Port Capital LLC1,134$557.4K0.02%+25+2.3%Added
DeDora Capital, Inc.1,137$559.1K0.14%−14−1.2%Reduced