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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
Wellspring Financial Advisors, LLC2,862$1.41M0.11%+732+34.4%Added
Washington Trust Advisors, Inc.2,870$1.41M0.11%+13+0.5%Added
National Asset Management, Inc.2,954$1.42M0.09%−1,690−36.4%Reduced
Cypress Asset Management Inc2,890$1.42M0.33%+38+1.3%Added
Portfolio Design Labs, LLC2,891$1.42M0.25%−166−5.4%Reduced
Sterling Investment Counsel, LLC2,900$1.43M0.40%+185+6.8%Added
Highview Capital Management LLC2,904$1.43M0.52%+155+5.6%Added
Corps Capital Advisors, LLC2,906$1.43M1.24%−150−4.9%Reduced
MidFirst Bank2,909$1.43M0.12%−81−2.7%Reduced
Icon Wealth Advisors, LLC3,069$1.43M0.09%+446+17.0%Added
Lineweaver Wealth Advisors, LLC2,922$1.44M0.19%−108−3.6%Reduced
Delta Financial Advisors LLC2,922$1.44M0.37%+480+19.7%Added
Marble Wealth, LLC2,924$1.44M0.25%−622−17.5%Reduced
Pathway Wealth Management LLC2,930$1.44M1.36%−25−0.8%Reduced
DAGCO, Inc.2,951$1.45M0.31%−104−3.4%Reduced
Capital Planning Advisors, LLC2,976$1.46M0.21%−168−5.3%Reduced
Focus Financial Network, Inc.2,977$1.46M0.05%−233−7.3%Reduced
Ramirez Asset Management, Inc.2,985$1.47M0.18%−114−3.7%Reduced
Glass Wealth Management Co LLC3,000$1.47M0.57%−30−1.0%Reduced
Ulysses Management LLC3,000$1.47M0.56%00.0%Unchanged
Harbor Advisors LLC3,000$1.47M0.21%00.0%Unchanged
Prospect Hill Management, LLC3,000$1.47M0.66%00.0%Unchanged
Core Alternative Capital3,002$1.48M0.44%−142−4.5%Reduced
Millstone Evans Group, LLC3,002$1.48M0.89%00.0%Unchanged
First Nebraska Trust Co3,006$1.48M0.14%+30+1.0%Added
MeadowBrook Investment Advisors LLC3,010$1.48M1.31%+90+3.1%Added
Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P.3,015$1.48M0.20%+20+0.7%Added
PFG Investments, LLC3,030$1.49M0.07%+298+10.9%Added
Nippon Life Global Investors Americas, Inc.3,040$1.50M0.07%−200−6.2%Reduced
Beaumont Financial Advisors, LLC3,067$1.51M0.10%+1,002+48.5%Added
Gibbs Wealth Management3,074$1.51M0.20%+2,307+300.8%Added
Valley Brook Capital Group3,080$1.51M1.01%+5+0.2%Added
Private Wealth Asset Management, LLC3,087$1.52M0.16%+8+0.3%Added
Independence Bank of Kentucky3,097$1.52M0.19%−277−8.2%Reduced
Advisors Preferred, LLC3,100$1.52M0.23%00.0%Unchanged
Qtron Investments LLC3,112$1.53M0.21%−839−21.2%Reduced
Westpac Banking Corp3,115$1.53M0.11%−9,502−75.3%Reduced
Baer Investment Advisory LLC3,116$1.53M2.17%+93+3.1%Added
LGT Group Foundation3,126$1.54M0.02%−5,738−64.7%Reduced
Cim Investment Mangement Inc3,129$1.54M0.41%−15−0.5%Reduced
Moors & Cabot, Inc.3,139$1.54M0.07%−47−1.5%Reduced
Monte Financial Group, LLC3,167$1.56M0.55%+199+6.7%Added
Fairbanks Capital Management, Inc.3,167$1.56M0.97%−68−2.1%Reduced
Sterneck Capital Management, LLC3,170$1.56M0.70%−30−0.9%Reduced
PDS Planning, Inc3,173$1.56M0.10%+133+4.4%Added
Gradient Investments LLC3,174$1.56M0.02%−104−3.2%Reduced
Knollwood Investment Advisory, LLC3,180$1.56M0.16%00.0%Unchanged
Malaga Cove Capital, LLC3,189$1.57M0.56%+90+2.9%Added
IFC Advisors LLC3,195$1.57M0.22%−61−1.9%Reduced
Tealwood Asset Management Inc3,196$1.57M0.71%+41+1.3%Added
China Universal Asset Management Co., Ltd.3,200$1.57M0.12%−785−19.7%Reduced
GM Advisory Group, Inc.3,208$1.58M0.06%+351+12.3%Added
Landscape Capital Management, L.L.C.3,226$1.59M0.10%+1,087+50.8%Added
Caldwell Investment Management Ltd.3,300$1.59M0.62%+3,300New
Pines Wealth Management, LLC3,232$1.59M0.51%−7−0.2%Reduced
Empire Financial Management Company, LLC3,234$1.59M0.36%+248+8.3%Added
NTV Asset Management LLC3,235$1.59M0.17%−350−9.8%Reduced
Nwam LLC3,239$1.59M0.09%−269−7.7%Reduced
Mutual Advisors, LLC3,250$1.60M0.03%+499+18.1%Added
Fragasso Group Inc.3,279$1.60M0.10%−230−6.6%Reduced
SageView Advisory Group, LLC3,279$1.61M0.06%−78−2.3%Reduced
Anb Bank3,279$1.61M0.65%+14+0.4%Added
Investment Research & Advisory Group, Inc.3,277$1.62M0.57%+26+0.8%Added
Mechanics Financial Corp3,297$1.62M0.68%+37+1.1%Added
Guerra Pan Advisors, LLC3,301$1.62M1.00%00.0%Unchanged
Legacy Trust3,326$1.63M0.31%−40−1.2%Reduced
Naviter Wealth, LLC3,328$1.64M0.20%+193+6.2%Added
Dakota Wealth Management3,333$1.64M0.04%−404−10.8%Reduced
Generali Investments CEE, investicni spolecnost, a.s.3,335$1.64M0.09%−320−8.8%Reduced
Fort Sheridan Advisors LLC3,335$1.64M0.20%+163+5.1%Added
Principle Wealth Partners LLC3,355$1.65M0.09%−216−6.0%Reduced
Accretive Wealth Partners, LLC3,366$1.65M0.47%+13+0.4%Added
River Wealth Advisors LLC3,385$1.66M0.19%−258−7.1%Reduced
Evergreen Capital Management LLC3,408$1.68M0.04%−493−12.6%Reduced
Sigma Planning Corp3,428$1.68M0.05%−68−1.9%Reduced
Ameritas Investment Partners, Inc.3,429$1.69M0.05%−10−0.3%Reduced
Jain Global LLC3,470$1.71M0.02%+3,470New
Diversified Management Inc3,480$1.71M0.29%+293+9.2%Added
Cooper Financial Group3,481$1.71M0.17%+1,000+40.3%Added
Sectoral Asset Management Inc3,508$1.72M1.43%−392−10.1%Reduced
Fayez Sarofim & Co3,527$1.73M0.00%+185+5.5%Added
Sheets Smith Wealth Management3,530$1.74M0.20%+191+5.7%Added
IHT Wealth Management, LLC3,532$1.74M0.04%−215−5.7%Reduced
Strive Financial Group ,LLC3,543$1.74M0.93%−270−7.1%Reduced
Summit Financial, LLC3,555$1.75M0.02%+249+7.5%Added
Wedbush Securities Inc3,558$1.75M0.05%+293+9.0%Added
Clarkston Capital Partners, LLC3,580$1.76M0.13%−29,834−89.3%Reduced
Cigna Investments Inc3,593$1.77M0.27%−57−1.6%Reduced
MainStreet Investment Advisors LLC3,595$1.77M0.27%−19−0.5%Reduced
Soltis Investment Advisors LLC3,603$1.77M0.12%−25−0.7%Reduced
Soros Capital Management LLC3,619$1.78M0.77%−804−18.2%Reduced
Bridgefront Capital, LLC3,644$1.79M0.45%+3,644New
Castle Rock Wealth Management, LLC3,701$1.82M0.39%+34+0.9%Added
BCJ Capital Management, LLC3,702$1.82M0.10%+544+17.2%Added
Chesapeake Wealth Management3,703$1.82M0.56%−10.0%Reduced
Ipswich Investment Management Co., Inc.3,708$1.82M0.43%+8+0.2%Added
Roundview Capital LLC3,713$1.83M0.11%+74+2.0%Added
Waterfront Wealth Inc.3,720$1.83M0.34%+161+4.5%Added
Trail Ridge Investment Advisors, LLC3,727$1.83M0.80%−12−0.3%Reduced
Fire Capital Management LLC3,728$1.83M0.86%+188+5.3%Added