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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, Q3 2025

Institutional positions in Thermo Fisher Scientific Inc. as of Sep 30, 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
2,515
+95 vs. Q2 2025
Shares held
331.9M
+1.37M (+0.4%) vs. Q2 2025
Total value
$160.7B
+$27.5B (+20.6%) vs. Q2 2025
New holders
241
981 more added
Sold out
146
958 more reduced

40 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 2,515 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 heldQ3 2025: $160.7B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q2 2025.

Institutions holding TMO in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sequoia Financial Advisors, LLC14,878$7.22M0.04%+247+1.7%Added
Resolute Capital Asset Partners LLC15,000$7.28M3.81%+15,000New
Polar Asset Management Partners Inc.15,015$7.28M0.15%+15,015New
Clear Harbor Asset Management, LLC15,056$7.30M0.52%−184−1.2%Reduced
Ramsay, Stattman, Vela & Price, Inc.15,171$7.36M1.32%−134−0.9%Reduced
Criteria Caixa, S.A.U.15,220$7.38M0.87%00.0%Unchanged
MMBG Investment Advisors Co.15,251$7.40M0.66%00.0%Unchanged
Appleton Partners Inc15,283$7.41M0.50%−19,229−55.7%Reduced
Martin Investment Management, LLC15,300$7.42M1.89%−358−2.3%Reduced
Horizon Investments, LLC15,318$7.43M0.10%+2,972+24.1%Added
Sawgrass Asset Management LLC15,324$7.43M0.92%−3,953−20.5%Reduced
Carderock Capital Management Inc15,355$7.45M1.81%+1,396+10.0%Added
Bellecapital International Ltd.15,373$7.46M1.20%+877+6.0%Added
Generate Investment Management Ltd15,403$7.47M0.38%+15,403New
Bleakley Financial Group, LLC15,425$7.48M0.17%+1,500+10.8%Added
Kayne Anderson Rudnick Investment Management LLC15,482$7.51M0.02%−796−4.9%Reduced
WealthPlan Investment Management, LLC15,503$7.52M0.50%−772−4.7%Reduced
Everett Harris & Co15,531$7.53M0.09%+76+0.5%Added
Allianz SE15,552$7.54M0.16%+200+1.3%Added
Wealthspire Advisors, LLC15,680$7.61M0.04%+7,639+95.0%Added
Lawson Kroeker Investment Management Inc15,782$7.65M1.40%+156+1.0%Added
Whitebark Investors LP15,800$7.66M3.65%+15,800New
Gibraltar Capital Management, Inc.15,820$7.67M1.38%−164−1.0%Reduced
Brant Point Investment Management LLC15,829$7.68M1.70%−2,000−11.2%Reduced
CWM, LLC15,937$7.73M0.02%+4,558+40.1%Added
Perennial Advisors, LLC16,111$7.81M1.35%+132+0.8%Added
1st Source Bank16,135$7.83M0.41%+112+0.7%Added
Oversea-Chinese Banking CORP Ltd16,248$7.85M0.20%−2,825−14.8%Reduced
Callan Family Office, LLC16,345$7.93M0.25%+312+1.9%Added
Osprey Private Wealth LLC16,360$7.93M2.88%+4,260+35.2%Added
Everence Capital Management Inc16,489$8.00M0.48%+30+0.2%Added
Man Group plc16,499$8.00M0.02%+6,324+62.2%Added
Metis Global Partners, LLC16,617$8.06M0.19%−1,035−5.9%Reduced
Parkside Investments, LLC16,623$8.06M1.01%−185−1.1%Reduced
Generali Asset Management SPA SGR16,740$8.12M0.17%+258+1.6%Added
CX Institutional16,816$8.16M0.25%+693+4.3%Added
Janney Capital Management LLC16,848$8.17M0.51%−503−2.9%Reduced
Pensionmark Financial Group, LLC16,934$8.21M0.17%−419−2.4%Reduced
Liberty Capital Management, Inc.16,951$8.22M1.55%+359+2.2%Added
Westerkirk Capital Inc.17,000$8.25M0.94%00.0%Unchanged
New Mexico Educational Retirement Board17,062$8.28M0.26%−800−4.5%Reduced
Marietta Wealth Management, LLC17,110$8.30M1.01%+711+4.3%Added
Edgemoor Investment Advisors, Inc.17,303$8.39M0.65%−5,621−24.5%Reduced
Pine Valley Investments Ltd Liability Co17,312$8.40M0.44%−431−2.4%Reduced
XTX Topco Ltd17,368$8.42M0.44%−6,098−26.0%Reduced
Advisors Asset Management, Inc.17,581$8.53M0.14%−1,871−9.6%Reduced
Annex Advisory Services, LLC17,620$8.55M0.18%+8,524+93.7%Added
ICICI Prudential Asset Management Co Ltd17,720$8.59M0.91%+6,000+51.2%Added
Jacobs & Co17,728$8.60M0.82%+221+1.3%Added
Investment Management Corp of Ontario17,769$8.62M0.13%+8,523+92.2%Added
Private Advisor Group, LLC17,878$8.67M0.04%−585−3.2%Reduced
Webster Bank, N. A.17,995$8.73M0.84%−336−1.8%Reduced
Sky Investment Group LLC18,094$8.78M1.47%−336−1.8%Reduced
Salem Investment Counselors Inc18,108$8.78M0.25%+1,034+6.1%Added
Ownership Capital B.V.18,117$8.79M4.94%−151,046−89.3%Reduced
Dai-Ichi Life Insurance Company, Ltd18,132$8.79M0.22%+2,438+15.5%Added
Securian Asset Management, Inc18,212$8.83M0.23%−1,525−7.7%Reduced
Sector Gamma AS18,444$8.95M2.22%−7,056−27.7%Reduced
Northstar Asset Management LLC18,790$9.11M1.96%−1,498−7.4%Reduced
Maryland State Retirement & Pension System18,830$9.13M0.19%+475+2.6%Added
Wedge Capital Management L L P18,859$9.15M0.15%+1,012+5.7%Added
Avidity Partners Management LP18,900$9.17M2.09%−10,700−36.1%Reduced
Eagle Rock Investment Company, LLC18,957$9.19M1.37%+8,246+77.0%Added
Brinker Capital Investments, LLC19,102$9.26M0.07%−7,727−28.8%Reduced
Gulf International Bank (UK) Ltd19,138$9.28M0.30%−365−1.9%Reduced
Rosenblum Silverman Sutton S F Inc19,187$9.31M2.12%+18+0.1%Added
Providence Capital Advisors, LLC19,278$9.35M1.62%+541+2.9%Added
Empowered Funds, LLC19,372$9.40M0.09%+4,766+32.6%Added
Grandfield & Dodd, LLC19,488$9.45M0.54%−198−1.0%Reduced
Beacon Pointe Advisors, LLC19,527$9.47M0.08%−13,836−41.5%Reduced
Empower Advisory Group, LLC19,562$9.49M0.03%−401−2.0%Reduced
Cohen Klingenstein LLC19,590$9.50M0.30%00.0%Unchanged
Qsemble Capital Management, LP19,722$9.57M0.94%+1,621+9.0%Added
Catalytic Wealth RIA, LLC19,737$9.57M0.32%+9,884+100.3%Added
R.H. Dinel Investment Counsel, Inc.19,746$9.58M6.18%00.0%Unchanged
Segall Bryant & Hamill, LLC19,787$9.60M0.13%−1,529−7.2%Reduced
Louisiana State Employees Retirement System19,800$9.60M0.16%−100−0.5%Reduced
Mirova19,968$9.68M1.37%−118,304−85.6%Reduced
Steward Partners Investment Advisory, LLC20,012$9.71M0.06%−2,226−10.0%Reduced
Resources Investment Advisors, LLC.20,247$9.82M0.10%+7,261+55.9%Added
Tritonpoint Wealth, LLC20,522$9.96M0.85%+33+0.2%Added
Hudson Valley Investment Advisors Inc20,547$9.97M1.04%−792−3.7%Reduced
Norinchukin Bank, The20,562$9.97M0.13%+194+1.0%Added
HRT Financial LP20,572$9.98M0.04%−110,515−84.3%Reduced
North Growth Management Ltd.21,000$9.99M1.74%+6,000+40.0%Added
Country Club Bank21,659$10.0M0.59%−447−2.0%Reduced
Baxter Bros Inc20,637$10.0M1.16%−447−2.1%Reduced
S-Bank Fund Management Ltd20,711$10.0M1.33%−3,040−12.8%Reduced
Allworth Financial LP20,909$10.1M0.04%+1,254+6.4%Added
GWM Advisors LLC20,952$10.2M0.05%−8,317−28.4%Reduced
Central Trust Co21,071$10.2M0.21%−1,080−4.9%Reduced
First American Trust, FSB21,262$10.3M0.75%+162+0.8%Added
Parsons Capital Management Inc21,324$10.3M0.59%−494−2.3%Reduced
Schonfeld Strategic Advisors LLC21,358$10.4M0.07%−5,112−19.3%Reduced
Signature Estate & Investment Advisors LLC21,384$10.4M0.22%−706−3.2%Reduced
Wiley Bros.-Aintree Capital, LLC21,445$10.4M0.07%+970+4.7%Added
Matrix Asset Advisors Inc21,511$10.4M0.97%+134+0.6%Added
Duncker Streett & Co Inc21,571$10.5M1.82%−864−3.9%Reduced
Argent Trust Co21,571$10.5M0.37%+1,125+5.5%Added
SG Americas Securities, LLC21,611$10.5M0.04%−22,486−51.0%Reduced