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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
Battery Global Advisors, LLC35$17.3K0.01%00.0%Unchanged
Chesapeake Asset Management LLC35$17.4K0.01%00.0%Unchanged
1015 Capital Partners, LLC36$17.7K0.02%−3−7.7%Reduced
Measured Wealth Private Client Group, LLC36$17.7K0.00%00.0%Unchanged
Missouri Trust & Investment Co36$17.7K0.01%00.0%Unchanged
Clark Wealth Partners36$17.7K0.01%−15−29.4%Reduced
Country Trust Bank38$18.7K0.00%00.0%Unchanged
American Capital Advisory, LLC39$19.2K0.01%+4+11.4%Added
Consultiva Wealth Management, Corp.40$19.7K0.06%00.0%Unchanged
Centennial Bank40$19.7K0.01%00.0%Unchanged
Toth Financial Advisory Corp40$19.7K0.00%+39+3,900.0%Added
Winch Advisory Services, LLC40$19.7K0.00%00.0%Unchanged
Signature Equity Partners, LLC40$19.8K0.01%−5−11.1%Reduced
Financial Connections Group, Inc.42$20.0K0.01%−16−27.6%Reduced
Ulland Investment Advisors, LLC40$20.0K0.02%00.0%Unchanged
Godfrey Financial Associates, Inc.41$20.2K0.02%00.0%Unchanged
City State Bank41$20.2K0.01%+6+17.1%Added
Tradewinds Capital Management, LLC42$20.7K0.00%00.0%Unchanged
Robinswood Financial LLC43$21.2K0.01%00.0%Unchanged
TD Capital Management LLC44$21.6K0.00%+6+15.8%Added
FWL Investment Management, LLC45$22.1K0.00%00.0%Unchanged
Knott David M Jr45$22.1K0.01%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC46$22.6K0.03%−106−69.7%Reduced
Atomic Invest LLC48$23.0K0.01%−10−17.2%Reduced
South State Corp.47$23.1K0.00%−15−24.2%Reduced
Mark Sheptoff Financial Planning, LLC50$23.3K0.01%00.0%Unchanged
Swiss Re Ltd48$23.6K0.14%00.0%Unchanged
Olistico Wealth, LLC50$24.6K0.01%00.0%Unchanged
Tanglewood Legacy Advisors, LLC50$24.6K0.01%00.0%Unchanged
Beacon Financial Strategies CORP50$24.6K0.01%00.0%Unchanged
Birchwood Financial Partners, Inc.50$24.6K0.02%00.0%Unchanged
Walsh & Associates, LLC50$24.6K0.02%00.0%Unchanged
Legacy Wealth Managment, LLC50$24.6K0.01%+22+78.6%Added
E Fund Management (Hong Kong) Co., Ltd.51$25.1K0.01%−366−87.8%Reduced
Piscataqua Savings Bank52$25.6K0.02%00.0%Unchanged
Sherman Asset Management, Inc.53$26.1K0.02%00.0%Unchanged
HFM Investment Advisors, LLC53$26.1K0.01%00.0%Unchanged
Marquette Asset Management, LLC53$26.1K0.00%−70−56.9%Reduced
S&T Bank54$26.5K0.01%+37+217.6%Added
Pillar Financial Advisors, LLC55$27.0K0.02%00.0%Unchanged
Raffa Wealth Management, LLC56$27.5K0.00%+2+3.7%Added
Bank & Trust Co59$29.0K0.02%00.0%Unchanged
Navigoe, LLC60$29.0K0.02%00.0%Unchanged
MBM Wealth Consultants, LLC59$29.0K0.01%+59New
Pingora Partners LLC60$29.5K0.02%−5−7.7%Reduced
Clear Street Markets LLC62$30.5K0.01%−495−88.9%Reduced
True Wealth Design, LLC64$31.5K0.01%+21+48.8%Added
Abound Wealth Management64$31.6K0.01%+8+14.3%Added
Delta Asset Management LLC65$31.9K0.00%00.0%Unchanged
Main Street Group, LTD65$31.9K0.01%+65New
ZRC Wealth Management, LLC66$32.4K0.01%−12−15.4%Reduced
Intentional Wealth Strategies, LLC66$32.4K0.03%+66New
Cedar Mountain Advisors, LLC67$33.0K0.01%+19+39.6%Added
Highline Wealth Partners LLC68$33.5K0.01%00.0%Unchanged
Adirondack Trust Co69$33.9K0.01%−12−14.8%Reduced
Kilter Group LLC69$33.9K0.01%+8+13.1%Added
Darwin Advisors, LLC69$34.0K0.01%−390−85.0%Reduced
Ogorek Anthony Joseph71$34.0K0.01%+46+184.0%Added
Goodman Advisory Group, LLC70$34.4K0.01%−260−78.8%Reduced
VSM Wealth Advisory, LLC70$34.4K0.01%00.0%Unchanged
Roble, Belko & Company, Inc71$35.0K0.00%−172−70.8%Reduced
Signature Resources Capital Management, LLC72$35.4K0.02%+34+89.5%Added
Mosley Wealth Management73$35.4K0.02%+73New
Kerr Financial Planning Corp76$35.5K0.04%+1+1.3%Added
Financial Consulate, Inc73$35.9K0.00%−577−88.8%Reduced
Joseph Group Capital Management74$36.4K0.01%+6+8.8%Added
HighMark Wealth Management LLC75$36.7K0.01%−4−5.1%Reduced
Essential Partners LLC75$36.9K0.01%+7+10.3%Added
DHJJ Financial Advisors, Ltd.76$37.4K0.01%00.0%Unchanged
Phillip James Consulting Co.78$38.0K0.03%+3+4.0%Added
First PREMIER Bank78$38.0K0.01%00.0%Unchanged
Accent Capital Management, LLC79$38.8K0.02%+54+216.0%Added
Wellington-Altus USA Inc.78$39.1K0.02%+10+14.7%Added
Sankala Group LLC82$39.2K0.03%00.0%Unchanged
Caldwell Sutter Capital, Inc.83$40.8K0.02%00.0%Unchanged
High Point Wealth Management, LLC84$41.5K0.04%00.0%Unchanged
Harbor Asset Planning, Inc.85$41.8K0.04%00.0%Unchanged
Coston, McIsaac & Partners85$42.0K0.01%00.0%Unchanged
Newbridge Financial Services Group, Inc.86$42.1K0.01%−43−33.3%Reduced
Raleigh Capital Management Inc.87$43.0K0.01%+13+17.6%Added
Osterweis Capital Management Inc88$43.3K0.00%00.0%Unchanged
Creative Capital Management Investments LLC88$43.3K0.01%00.0%Unchanged
Financially Speaking Inc90$44.2K0.21%−10−10.0%Reduced
SJS Investment Consulting Inc.91$44.9K0.01%00.0%Unchanged
MTM Investment Management, LLC92$45.2K0.01%00.0%Unchanged
Bayforest Capital Ltd93$45.7K0.05%+93New
Sittner & Nelson, LLC93$45.7K0.02%00.0%Unchanged
TSFG, LLC93$46.0K0.01%00.0%Unchanged
Proffitt & Goodson Inc97$47.7K0.01%00.0%Unchanged
Basepoint Wealth LLC99$48.6K0.03%+1+1.0%Added
Evolution Wealth Management Inc.99$48.7K0.04%+63+175.0%Added
IMA Wealth, Inc.99$48.7K0.00%00.0%Unchanged
Westside Investment Management, Inc.100$49.1K0.01%00.0%Unchanged
Berbice Capital Management LLC100$49.2K0.03%00.0%Unchanged
Peck Wealth Management, LLC100$49.2K0.05%00.0%Unchanged
Private Wealth Management Group, LLC104$51.1K0.01%00.0%Unchanged
Teachers Insurance & Annuity Association of America105$51.6K0.06%00.0%Unchanged
First United Bank Trust109$53.6K0.02%00.0%Unchanged
Covestor Ltd110$54.0K0.04%−40−26.7%Reduced
Nvest Wealth Strategies, Inc.110$54.1K0.04%−26−19.1%Reduced