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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
Busey Wealth Management36,995$18.2M0.49%+1,341+3.8%Added
Mercer Global Advisors Inc36,715$18.0M0.03%−2,188−5.6%Reduced
Elo Mutual Pension Insurance Co36,646$18.0M0.30%−5,933−13.9%Reduced
Yousif Capital Management, LLC36,411$17.9M0.21%−1,138−3.0%Reduced
MUFG Securities EMEA plc36,402$17.9M0.27%+21,000+136.3%Added
Strategic Wealth Designers36,156$17.8M2.26%+1,415+4.1%Added
Avalon Trust Co35,923$17.7M1.22%+867+2.5%Added
Warren Averett Asset Management, LLC35,833$17.6M0.13%+5,044+16.4%Added
Exencial Wealth Advisors, LLC35,361$17.4M0.54%−1,759−4.7%Reduced
Petrus Trust Company, LTA35,000$17.2M1.88%+35,000New
Allworth Financial LP34,959$17.2M0.07%−60−0.2%Reduced
Umb Bank N A34,934$17.2M0.24%−1,137−3.2%Reduced
Flputnam Investment Management Co34,791$17.1M0.25%+4,012+13.0%Added
Lyell Wealth Management, LP34,546$17.0M1.25%+323+0.9%Added
Sumitomo Life Insurance Co34,481$16.9M0.40%+6,011+21.1%Added
Highland Capital Management, LLC34,365$16.9M0.89%+226+0.7%Added
Trillium Asset Management, LLC60,524$16.5M0.55%+26,585+78.3%Added
Argent Capital Management LLC33,602$16.5M0.52%−18,757−35.8%Reduced
Univest Financial Corp33,259$16.3M0.92%−1,144−3.3%Reduced
Baker Avenue Asset Management, LP33,113$16.3M0.37%+6,755+25.6%Added
Norris Perne & French LLP33,041$16.2M0.79%+7,088+27.3%Added
Prime Capital Investment Advisors, LLC32,995$16.2M0.19%−979−2.9%Reduced
Motley Fool Wealth Management, LLC32,993$16.2M1.83%−12,492−27.5%Reduced
McDaniel Terry & Co32,692$16.1M1.37%+1,767+5.7%Added
Chicago Capital, LLC32,657$16.1M0.43%−3,037−8.5%Reduced
Ninety One SA (PTY) Ltd32,734$16.0M0.69%+4,542+16.1%Added
Phraction Management LLC32,445$15.9M4.14%+1,461+4.7%Added
Empowered Funds, LLC32,436$15.9M0.10%+32,436New
Shay Capital LLC32,435$15.9M2.26%+31,935+6,387.0%Added
Arcadia Investment Management Corp32,324$15.9M2.72%+54+0.2%Added
Windward Capital Management Co32,317$15.9M1.29%−608−1.8%Reduced
Cary Street Partners Financial LLC32,283$15.9M0.39%−204−0.6%Reduced
Wealthfront Advisers LLC32,268$15.9M0.03%+4,145+14.7%Added
GW&K Investment Management, LLC32,010$15.7M0.14%−650−2.0%Reduced
Teca Partners, LP31,939$15.7M12.53%+14,339+81.5%Added
Lowe Brockenbrough & Co Inc31,928$15.7M0.78%−287−0.9%Reduced
Envestnet Portfolio Solutions, Inc.31,866$15.7M0.09%+3,728+13.2%Added
United Asset Strategies, Inc.31,095$15.3M1.22%−546−1.7%Reduced
Virginia Retirement Systems Et Al30,880$15.2M0.11%+5,440+21.4%Added
Lathrop Investment Management Corp30,770$15.1M2.83%+393+1.3%Added
LaFleur & Godfrey LLC30,650$15.1M1.88%+786+2.6%Added
Dash Acquisitions Inc.28,607$15.0M3.13%−134−0.5%Reduced
Nuance Investments, LLC30,321$14.9M2.08%+9,311+44.3%Added
Teachers Retirement System of the State of Kentucky30,039$14.8M0.11%00.0%Unchanged
M. Kraus & Co29,856$14.7M4.28%+176+0.6%Added
Freestone Capital Holdings, LLC29,810$14.7M0.45%−359−1.2%Reduced
HealthInvest Partners AB22,986$14.4M4.67%−6,929−23.2%Reduced
Aquatic Capital Management LLC29,389$14.4M0.42%−39,691−57.5%Reduced
Sycomore Asset Management23,318$14.4M2.08%00.0%Unchanged
Titan Global Capital Management USA LLC29,202$14.4M2.14%+266+0.9%Added
Rafferty Asset Management, LLC29,028$14.3M0.06%−11,422−28.2%Reduced
Gulf International Bank (UK) Ltd29,015$14.3M0.32%+9,877+51.6%Added
Oppenheimer & Co Inc28,773$14.1M0.17%−1,046−3.5%Reduced
McRae Capital Management Inc28,758$14.1M2.93%−445−1.5%Reduced
First American Bank28,745$14.1M0.89%−1,835−6.0%Reduced
Covington Investment Advisors Inc.28,728$14.1M2.08%−1,532−5.1%Reduced
Kavar Capital Partners Group, LLC28,722$14.1M1.77%−320−1.1%Reduced
Kestra Advisory Services, LLC28,601$14.1M0.05%+785+2.8%Added
Eldred Rock Partners, LLC28,566$14.0M3.57%+28,566New
Atria Investments LLC28,478$14.0M0.16%−3,943−12.2%Reduced
Hantz Financial Services, Inc.28,477$14.0M0.21%+5,880+26.0%Added
Davis-Rea Ltd.28,185$13.9M3.61%+653+2.4%Added
Avanza Fonder AB28,169$13.8M0.38%−2,116−7.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.28,148$13.8M0.02%−134−0.5%Reduced
McGuire Investment Group, LLC28,140$13.8M1.56%−5,199−15.6%Reduced
Cornerstone Advisors, LLC27,984$13.8M0.51%−29,116−51.0%Reduced
Eagle Global Advisors LLC27,937$13.7M0.49%−8,136−22.6%Reduced
Private Capital Advisors, Inc.27,904$13.7M1.57%+145+0.5%Added
Northwest & Ethical Investments L.P.27,767$13.6M0.32%+255+0.9%Added
Parsons Capital Management Inc27,683$13.6M0.62%+6,297+29.4%Added
Bright Rock Capital Management, LLC27,500$13.5M2.67%00.0%Unchanged
ARS Wealth Advisors Group, LLC27,422$13.5M1.14%+372+1.4%Added
Punch & Associates Investment Management, Inc.27,325$13.4M0.77%+30+0.1%Added
Talbot Financial, LLC27,203$13.4M1.12%+695+2.6%Added
Tower Bridge Advisors27,200$13.4M1.29%+1,075+4.1%Added
CCM Investment Advisers LLC27,184$13.4M1.28%−540−1.9%Reduced
Wiley Bros.-Aintree Capital, LLC26,876$13.2M0.07%+2,130+8.6%Added
Investment Management Corp of Ontario26,867$13.2M0.17%−7,304−21.4%Reduced
Perigon Wealth Management, LLC26,803$13.2M0.24%−246−0.9%Reduced
Pictet & Cie (Europe) SA26,759$13.2M0.28%−8,054−23.1%Reduced
North Growth Management Ltd.27,000$13.1M2.01%+4,000+17.4%Added
Mediolanum International Funds Ltd27,263$13.1M0.14%−39,037−58.9%Reduced
CWM, LLC26,183$12.9M0.03%+556+2.2%Added
HB Wealth Management, LLC26,063$12.8M0.08%−2,663−9.3%Reduced
S.E.E.D. Planning Group LLC25,830$12.7M3.69%−377−1.4%Reduced
Dodge & Cox25,741$12.7M0.01%00.0%Unchanged
Renaissance Investment Group LLC25,724$12.6M2.72%−51−0.2%Reduced
Rothschild Investment LLC25,700$12.6M0.66%+83+0.3%Added
Steward Partners Investment Advisory, LLC25,607$12.6M0.06%+4,062+18.9%Added
Stonebridge Capital Advisors LLC25,405$12.5M0.87%−114−0.4%Reduced
EP Wealth Advisors, LLC25,251$12.4M0.06%−1,069−4.1%Reduced
Needham Investment Management LLC25,250$12.4M0.63%00.0%Unchanged
Argent Trust Co25,095$12.3M0.42%+1,943+8.4%Added
Sit Investment Associates Inc24,965$12.3M0.25%−2,242−8.2%Reduced
Douglass Winthrop Advisors, LLC24,843$12.2M0.22%−60.0%Reduced
Novare Capital Management LLC24,739$12.2M0.96%−637−2.5%Reduced
QRG Capital Management, Inc.24,729$12.2M0.13%+3,133+14.5%Added
Tiaa-Cref Individual & Institutional Services, LLC24,726$12.2M0.05%+24,726New
Stratos Wealth Partners, LTD.24,559$12.1M0.14%+130+0.5%Added
Albion Financial Group24,328$12.0M0.77%−72−0.3%Reduced