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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, Q4 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Dec 31, 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
2,707
+252 vs. Q3 2025
Shares held
375.0M
+44.2M (+13.4%) vs. Q3 2025
Total value
$199.1B
+$38.9B (+24.3%) vs. Q3 2025
New holders
372
945 more added
Sold out
120
1,041 more reduced

60 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 2,707 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 heldQ4 2025: $199.1B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q3 2025.

Institutions holding TMO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Capital Advisors Inc1,141$661.3K0.01%+1,141New
Forefront Wealth Partners, LLC1,144$663.0K0.31%−243−17.5%Reduced
111 Capital1,149$665.8K0.15%+1,149New
Mather Group, LLC.1,151$667.2K0.01%+105+10.0%Added
DeDora Capital, Inc.1,151$667.2K0.16%00.0%Unchanged
Main Street Research LLC1,151$667.4K0.04%+155+15.6%Added
Salomon & Ludwin, LLC1,095$669.3K0.06%+17+1.6%Added
Cypress Capital Group1,156$669.8K0.08%−1−0.1%Reduced
Seeds Investor LLC1,164$674.2K0.13%+131+12.7%Added
West Family Investments, Inc.1,165$675.1K0.16%+368+46.2%Added
Isthmus Partners, LLC1,170$678.0K0.08%00.0%Unchanged
Goelzer Investment Management, Inc.1,173$679.7K0.03%+26+2.3%Added
Enterprise Financial Services Corp1,181$684.3K0.35%+30+2.6%Added
Simplicity Wealth,LLC1,181$684.4K0.04%+99+9.1%Added
Rogco, LP1,188$688.4K0.23%+129+12.2%Added
KRS Capital Management, LLC1,191$690.2K0.40%−32−2.6%Reduced
Alteri Wealth LLC1,196$693.1K0.22%+328+37.8%Added
Fukoku Mutual Life Insurance Co1,198$694.2K0.05%−115−8.8%Reduced
Nia Impact Advisors, LLC1,199$694.9K0.23%−86−6.7%Reduced
Pittenger & Anderson Inc1,200$695.3K0.03%−192−13.8%Reduced
First Commonwealth Financial Corp1,205$698.3K0.12%−6−0.5%Reduced
SmartHarvest Portfolios, LLC1,207$699.4K0.24%+1,207New
Diversify Wealth Management, LLC1,153$700.3K0.03%−154−11.8%Reduced
Kensington Investment Counsel, LLC1,213$702.9K0.29%−6−0.5%Reduced
Hollencrest Capital Management1,215$704.0K0.02%00.0%Unchanged
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors1,222$708.0K0.08%−316−20.5%Reduced
Beacon Investment Advisory Services, Inc.1,227$711.0K0.03%−1,296−51.4%Reduced
Congress Park Capital LLC1,227$711.0K0.21%+2+0.2%Added
Bank of Jackson Hole Trust1,234$715.0K0.34%+15+1.2%Added
Clarendon Private LLC1,235$715.6K0.61%+112+10.0%Added
Mairs & Power Inc1,241$719.1K0.01%−375−23.2%Reduced
Oak Grove Capital LLC1,244$720.8K0.14%−200−13.9%Reduced
Westmount Partners, LLC1,247$722.7K0.18%+500+66.9%Added
Meridian Wealth Management, LLC1,250$724.2K0.03%+40+3.3%Added
Indivisible Partners1,253$725.9K0.08%+1,253New
Pallas Capital Advisors LLC1,256$727.5K0.02%+18+1.5%Added
Schonfeld Strategic Advisors LLC1,257$728.4K0.00%−20,101−94.1%Reduced
Founders Capital Management, LLC1,257$728.4K0.11%00.0%Unchanged
Birch Financial Group, LLC1,259$729.3K0.42%−73−5.5%Reduced
CenterBook Partners LP1,265$733.0K0.04%−2,526−66.6%Reduced
Willner & Heller, LLC1,269$735.2K0.53%−34−2.6%Reduced
Hall Capital Management Co Inc1,269$735.3K0.28%−323−20.3%Reduced
Regatta Capital Group, LLC1,269$735.3K0.11%00.0%Unchanged
Fiduciary Family Office, LLC1,271$736.6K0.21%−3−0.2%Reduced
Quotient Wealth Partners, LLC1,271$736.6K0.02%+303+31.3%Added
Evolve Private Wealth, LLC1,270$736.7K0.04%+1,270New
Everpar Advisors LLC1,273$737.6K0.27%+282+28.5%Added
MBL Wealth, LLC1,274$738.2K0.06%+609+91.6%Added
First Financial Bankshares Inc1,276$739.4K0.01%−3−0.2%Reduced
Argentarii, LLC1,277$740.0K0.25%+347+37.3%Added
Naples Global Advisors, LLC1,278$741.0K0.06%+15+1.2%Added
Marex Group plc1,283$743.4K0.01%−80,147−98.4%Reduced
Cypress Wealth Services, LLC1,288$746.5K0.10%−23−1.8%Reduced
Arrowpoint Investment Partners (Singapore) Pte. Ltd.1,290$747.5K0.11%−222−14.7%Reduced
WD Rutherford LLC1,298$752.1K0.31%+26+2.0%Added
Moss Adams Wealth Advisors LLC1,298$752.7K0.05%+272+26.5%Added
Pinnacle Wealth Management Advisory Group, LLC1,302$754.4K0.05%+24+1.9%Added
Regent Peak Wealth Advisors LLC1,305$756.4K0.15%−13−1.0%Reduced
Thoroughbred Financial Services, LLC1,313$760.0K0.05%+9+0.7%Added
Burling Wealth Partners, LLC1,313$760.8K0.12%+648+97.4%Added
Pitcairn Wealth Advisors LLC1,316$762.6K0.07%+1,316New
Alps Advisors Inc1,319$764.3K0.00%+104+8.6%Added
SeaCrest Wealth Management, LLC1,240$765.3K0.08%−39−3.0%Reduced
Old Port Advisors1,323$766.9K0.19%+2+0.2%Added
NBC Securities, Inc.1,326$768.4K0.06%−33−2.4%Reduced
Krilogy Financial LLC1,227$768.7K0.03%+74+6.4%Added
Legacy Capital Wealth Partners, LLC1,327$769.0K0.17%−51−3.7%Reduced
Athena Wealth Management, LLC1,328$769.8K0.75%+1,328New
Trilogy Capital Inc.1,329$770.1K0.03%−19−1.4%Reduced
Linscomb & Williams, Inc.1,333$772.3K0.03%−6−0.4%Reduced
Meridian Wealth Advisors, LLC1,335$773.6K0.11%00.0%Unchanged
Gerber Kawasaki Wealth & Investment Management1,341$777.2K0.03%−7−0.5%Reduced
Covenant Partners, LLC1,344$778.8K0.23%+15+1.1%Added
Community Bank & Trust, Waco, Texas1,345$779.0K0.16%−3−0.2%Reduced
Venturi Wealth Management, LLC1,350$781.8K0.03%+55+4.2%Added
Fca Corp1,350$782.3K0.22%00.0%Unchanged
Westfuller Advisors, LLC1,355$785.9K0.32%+7+0.5%Added
Wills Financial Group LLC1,364$790.4K0.30%+50+3.8%Added
Baker Tilly Wealth Management, LLC1,367$792.2K0.20%+105+8.3%Added
Prestige Wealth Management Group LLC1,369$793.9K0.15%+1,249+1,040.8%Added
Coign Capital Advisors LLC1,372$794.7K0.42%+10+0.7%Added
Avidian Wealth Solutions, LLC1,372$794.9K0.03%+131+10.6%Added
Meritage Portfolio Management1,379$799.1K0.05%−31−2.2%Reduced
Heritage Trust Co1,381$800.2K0.08%−6−0.4%Reduced
Parkside Financial Bank & Trust1,382$800.8K0.06%+92+7.1%Added
Lakeshore Capital Group, Inc.1,382$800.8K0.64%+30+2.2%Added
Quadrant Private Wealth Management, LLC1,382$801.3K0.13%+67+5.1%Added
Level Four Advisory Services, LLC1,383$801.4K0.03%+78+6.0%Added
North Dallas Bank & Trust Co1,383$801.4K0.52%+1,383New
Investment Partners, Ltd.1,389$804.6K0.28%+1+0.1%Added
Aurdan Capital Management, LLC1,390$805.4K0.25%−214−13.3%Reduced
Oak Thistle LLC1,391$806.0K0.11%+419+43.1%Added
Private Capital Management, LLC1,396$808.9K0.08%00.0%Unchanged
PCM Encore, LLC1,397$809.3K0.17%+1,397New
Vista Capital Partners, Inc.1,397$809.5K0.08%+1,397New
Pure Financial Advisors, Inc.1,407$815.3K0.01%+82+6.2%Added
Aspiriant, LLC1,410$817.0K0.02%−207−12.8%Reduced
Monticello Wealth Management, LLC1,418$822.2K0.05%+327+30.0%Added
CWA Asset Management Group, LLC1,419$822.2K0.03%+213+17.7%Added
Vickerman Investment Advisors, Inc.1,420$822.8K0.16%+1+0.1%Added