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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: 2,321 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 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 20252,708$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, 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
Argonautica Private Wealth Management, Inc793$397.6K0.10%00.0%Unchanged
ARK & TLK Investments, LLC792$397.1K0.10%−21−2.6%Reduced
EnRich Financial Partners LLC790$396.1K0.09%00.0%Unchanged
Montis Financial, LLC790$396.1K0.08%+25+3.3%Added
Tranquility Partners, LLC789$395.6K0.14%−916−53.7%Reduced
ZEGA Investments, LLC787$394.6K0.07%+10+1.3%Added
Birch Financial Group, LLC785$393.6K0.20%−379−32.6%Reduced
SageGuard Financial Group, LLC784$393.1K0.06%+21+2.8%Added
Claro Advisors LLC782$391.8K0.04%−6−0.8%Reduced
Chancellor Financial Group WB LP781$391.6K0.24%00.0%Unchanged
Nvest Financial, LLC779$390.5K0.12%−6−0.8%Reduced
Everest Financial Group LLC778$390.1K0.05%−37−4.5%Reduced
Benin Management CORP775$388.6K0.08%00.0%Unchanged
CMH Wealth Management LLC773$387.9K0.06%+6+0.8%Added
Great Diamond Partners, LLC768$385.0K0.07%−111−12.6%Reduced
Thompson David Blair768$385.0K0.19%+108+16.4%Added
SmartHarvest Portfolios, LLC766$383.8K0.12%−74−8.8%Reduced
Quantum Financial Advisors, LLC765$383.4K0.04%−20−2.5%Reduced
Verity Asset Management, Inc.764$383.0K0.14%−2−0.3%Reduced
Teachers Insurance & Annuity Association of America762$382.0K0.42%+657+625.7%Added
180 Wealth Advisors, LLC761$381.6K0.04%−65−7.9%Reduced
Green Square Capital Advisors LLC758$380.0K0.04%−127−14.4%Reduced
SeaCrest Wealth Management, LLC757$379.5K0.04%−475−38.6%Reduced
LRI Investments, LLC757$379.4K0.03%+144+23.5%Added
Carr Financial Group Corp756$378.9K0.09%−9−1.2%Reduced
Silver Lake Advisory, LLC754$377.9K0.14%+1+0.1%Added
Broadway Wealth Solutions, Inc.751$376.6K0.18%+59+8.5%Added
Prairie Wealth Advisors, Inc.0$376.5K0.09%0New
Hillman Capital Management, Inc.750$376.0K0.27%+94+14.3%Added
Keystone Financial Services749$375.4K0.10%+749New
Baron Wealth Management LLC747$374.5K0.10%−3−0.4%Reduced
Seelaus Asset Management LLC746$374.0K0.26%−1,363−64.6%Reduced
Heritage Wealth Advisors745$373.5K0.01%−1,024−57.9%Reduced
Strive Financial Group ,LLC742$372.0K0.16%−2,801−79.1%Reduced
Avion Wealth743$372.0K0.07%+16+2.2%Added
ABN AMRO Bank N.V.742$371.3K0.00%−45−5.7%Reduced
Sargent Investment Group, LLC740$371.0K0.04%−29−3.8%Reduced
Interchange Capital Partners, LLC738$370.4K0.07%−451−37.9%Reduced
Capital Advisors Wealth Management, LLC738$370.1K0.04%+53+7.7%Added
Whalen Wealth Management Inc.738$370.0K0.17%−642−46.5%Reduced
Stokes Family Office, LLC736$369.0K0.04%−52−6.6%Reduced
AXS Investments LLC733$367.5K0.10%−163−18.2%Reduced
Crystal Cove Asset Management, LLC733$367.5K0.40%00.0%Unchanged
Intesa Sanpaolo S.p.A.732$367.0K0.01%−7,520−91.1%Reduced
Founders Financial Alliance, LLC732$366.7K0.05%+35+5.0%Added
Brandywine Oak Private Wealth LLC728$365.0K0.03%−15−2.0%Reduced
Crews Bank & Trust727$364.5K0.05%−250−25.6%Reduced
Capital Counsel LLC727$364.5K0.01%−69−8.7%Reduced
Carrera Capital Advisors722$362.2K0.05%+17+2.4%Added
Acima Private Wealth, LLC722$362.0K0.11%00.0%Unchanged
Deseret Mutual Benefit Administrators721$361.5K0.12%−54−7.0%Reduced
Bayforest Capital Ltd721$361.5K0.33%+628+675.3%Added
Argyle Capital Partners, LLC720$361.0K0.23%+83+13.0%Added
Up Strategic Wealth Investment Advisors LLC624$360.6K0.21%00.0%Unchanged
Ariston Services Group717$359.5K0.20%+717Added
First Bank & Trust717$359.5K0.05%+3+0.4%Added
Coppell Advisory Solutions LLC813$359.1K0.11%+813New
Elevated Capital Advisors, LLC715$358.7K0.10%−494−40.9%Reduced
Van Strum & Towne Inc.715$358.5K0.10%00.0%Unchanged
Key Financial Inc715$358.5K0.06%−55−7.1%Reduced
Axiom Investment Management LLC714$358.0K0.24%+23+3.3%Added
Hickory Point Bank & Trust714$358.0K0.22%00.0%Unchanged
Leisure Capital Management712$357.0K0.11%−3−0.4%Reduced
Pavion Blue Capital, LLC512$357.0K0.14%00.0%Unchanged
Legacy Advisors, LLC710$356.0K0.03%+75+11.8%Added
Eldridge Investment Advisors, Inc.708$355.0K0.07%00.0%Unchanged
Summit Wealth Group LLC707$354.6K0.03%−42−5.6%Reduced
VERITY Wealth Advisors707$354.5K0.21%−189−21.1%Reduced
Sagewood Asset Management LP707$354.5K0.08%+154+27.8%Added
NWF Advisory Services Inc.707$354.5K0.03%+10+1.4%Added
Challenger Wealth Management707$354.4K0.26%−23−3.2%Reduced
Alpha Family Trust705$353.5K0.14%00.0%Unchanged
Waldron Private Wealth LLC704$353.0K0.01%+296+72.5%Added
Etesian Wealth Advisors, Inc.702$352.0K0.10%−64−8.4%Reduced
Wedgewood Investors Inc700$351.0K0.36%00.0%Unchanged
Beese Fulmer Investment Management, Inc.696$349.2K0.02%+143+25.9%Added
Systematic Alpha Investments, LLC696$348.9K0.01%00.0%Unchanged
Red Lighthouse Investment Management, LLC696$348.9K0.10%+3+0.4%Added
Curated Wealth Partners LLC696$348.9K0.04%+230+49.4%Added
United Community Bank694$347.9K0.11%−352−33.7%Reduced
Studio Investment Management LLC686$344.3K0.06%00.0%Unchanged
Pacific Sage Partners, LLC686$343.9K0.05%−89−11.5%Reduced
1620 Investment Advisors, Inc.686$343.9K0.21%+17+2.5%Added
Searle & Co.685$343.4K0.08%00.0%Unchanged
Swiss Re Ltd685$343.4K0.03%+637+1,327.1%Added
Trust Co of the South684$342.9K0.05%+67+10.9%Added
Alvarez & Marsal Private Wealth Partners, LLC681$341.7K0.05%−62−8.3%Reduced
Sentinus, LLC681$341.4K0.03%+213+45.5%Added
Heritage Wealth Management, Inc.681$341.4K0.09%+681New
Ameriflex Group, Inc.680$340.9K0.14%+147+27.6%Added
US Asset Management LLC678$339.9K0.26%00.0%Unchanged
Plancorp, LLC643$339.8K0.01%−448−41.1%Reduced
Voleon Capital Management LP675$338.4K0.01%−72−9.6%Reduced
Alphadyne Asset Management LP672$336.9K0.02%−2,020−75.0%Reduced
Blue Fin Capital, Inc.672$336.9K0.05%−30−4.3%Reduced
Human Investing LLC671$336.4K0.04%+9+1.4%Added
Foster Victor Wealth Advisors, LLC629$336.0K0.02%+34+5.7%Added
Cape Cod Five Cents Savings Bank670$335.9K0.03%+670New
Forefront Analytics, LLC669$335.6K0.36%+90+15.5%Added
Jackson Thornton Asset Management, LLC665$333.4K0.03%+665New