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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: 2,321 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 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 20252,708$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, 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
Mirae Asset Global ETFs Holdings Ltd.34,666$16.8M0.03%−3,760−9.8%Reduced
Mercer Global Advisors Inc34,206$16.6M0.03%+3,970+13.1%Added
Covington Investment Advisors Inc.34,090$16.5M2.16%+63+0.2%Added
Windward Capital Management Co34,066$16.5M1.32%−344−1.0%Reduced
Dash Acquisitions Inc.29,547$16.5M3.27%−4,249−12.6%Reduced
Prime Capital Investment Advisors, LLC33,657$16.3M0.20%+7,981+31.1%Added
McGuire Investment Group, LLC33,301$16.2M1.83%−378−1.1%Reduced
Atria Investments LLC33,246$16.1M0.18%−15,333−31.6%Reduced
Arcadia Investment Management Corp33,232$16.1M2.49%+1,030+3.2%Added
Clarkston Capital Partners, LLC33,218$16.1M0.35%−259−0.8%Reduced
Public Sector Pension Investment Board33,124$16.1M0.06%−29,308−46.9%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.33,110$16.0M0.12%+822+2.5%Added
Lyell Wealth Management, LP32,770$15.9M1.18%+656+2.0%Added
Osborne Partners Capital Management, LLC32,608$15.8M0.80%+635+2.0%Added
Canada Post Corp Registered Pension Plan34,215$15.8M0.70%+24,402+248.7%Added
McDaniel Terry & Co32,475$15.8M1.27%+878+2.8%Added
Envestnet Portfolio Solutions, Inc.32,430$15.7M0.06%−1,904−5.5%Reduced
Nixon Peabody Trust Co32,233$15.6M1.14%−177−0.5%Reduced
United Asset Strategies, Inc.32,161$15.6M1.25%+5,950+22.7%Added
ING Groep NV32,016$15.5M0.08%−128,055−80.0%Reduced
Rokos Capital Management LLP31,997$15.5M0.20%+18,913+144.6%Added
Lowe Brockenbrough & Co Inc31,870$15.5M0.80%+1,783+5.9%Added
Wilson Asset Management (International) Pty Ltd31,645$15.3M3.80%00.0%Unchanged
Flputnam Investment Management Co31,456$15.3M0.23%+2,732+9.5%Added
Cary Street Partners Financial LLC31,393$15.2M0.40%+923+3.0%Added
Pacer Advisors, Inc.31,384$15.2M0.04%−492−1.5%Reduced
MML Investors Services, LLC31,362$15.2M0.04%+173+0.6%Added
Bedrijfstakpensioenfonds Voor de Media Pno36,650$15.1M1.99%00.0%Unchanged
Phraction Management LLC31,021$15.0M4.34%+1,055+3.5%Added
McRae Capital Management Inc30,768$14.9M2.96%−25−0.1%Reduced
Vinva Investment Management Ltd32,256$14.9M0.30%+5,803+21.9%Added
Assetmark, Inc30,631$14.9M0.03%+7,400+31.9%Added
LaFleur & Godfrey LLC30,627$14.9M1.80%−390−1.3%Reduced
Lathrop Investment Management Corp30,507$14.8M2.73%+1,005+3.4%Added
Oppenheimer & Co Inc30,359$14.7M0.18%−1,097−3.5%Reduced
DKRT Investments Corp.30,300$14.7M3.53%00.0%Unchanged
Freestone Capital Holdings, LLC30,087$14.6M0.45%+952+3.3%Added
Rhenman & Partners Asset Management AB30,040$14.6M1.61%+18,900+169.7%Added
Teachers Retirement System of the State of Kentucky30,039$14.6M0.11%−29,120−49.2%Reduced
CCM Investment Advisers LLC29,887$14.5M1.43%−1,457−4.6%Reduced
M. Kraus & Co29,883$14.5M4.05%−1,194−3.8%Reduced
Winton Group Ltd29,800$14.5M0.54%+13,486+82.7%Added
Addenda Capital Inc.29,757$14.4M0.43%+8,689+41.2%Added
Sycomore Asset Management23,318$14.4M2.40%00.0%Unchanged
Evelyn Partners Investment Management Services Ltd29,653$14.4M1.93%+1,550+5.5%Added
Kavar Capital Partners Group, LLC29,513$14.3M1.91%+46+0.2%Added
First American Bank29,496$14.3M0.90%+6,814+30.0%Added
Applied Finance Capital Management, LLC29,487$14.3M1.02%−1,441−4.7%Reduced
EULAV Asset Management29,400$14.3M0.33%00.0%Unchanged
Titan Global Capital Management USA LLC29,172$14.1M2.08%−5,699−16.3%Reduced
RMB Capital Management, LLC28,895$14.0M0.26%+1,354+4.9%Added
J. Safra Sarasin Holding AG28,827$14.0M0.23%+2,648+10.1%Added
HealthInvest Partners AB27,147$14.0M5.18%+2,881+11.9%Added
Avanza Fonder AB28,804$14.0M0.36%+1,278+4.6%Added
Private Capital Advisors, Inc.28,779$14.0M1.55%−735−2.5%Reduced
Northwest & Ethical Investments L.P.28,232$13.6M0.32%+5,617+24.8%Added
Baader Bank INC28,076$13.6M1.13%−6,147−18.0%Reduced
Mizuho Securities USA LLC27,503$13.6M0.27%+1,411+5.4%Added
Nearwater Capital Markets, Ltd27,900$13.5M0.18%+7,900+39.5%Added
Sit Investment Associates Inc27,822$13.5M0.27%−1,139−3.9%Reduced
Anchor Capital Advisors LLC27,581$13.4M0.39%00.0%Unchanged
Bright Rock Capital Management, LLC27,500$13.3M2.61%00.0%Unchanged
S.E.E.D. Planning Group LLC27,455$13.3M3.88%−786−2.8%Reduced
Perigon Wealth Management, LLC27,435$13.3M0.27%−293−1.1%Reduced
Ieq Capital, LLC27,431$13.3M0.04%−2,532−8.5%Reduced
HB Wealth Management, LLC27,422$13.3M0.09%+3,465+14.5%Added
Gateway Investment Advisers LLC27,312$13.2M0.13%+822+3.1%Added
MUFG Securities EMEA plc27,228$13.2M0.33%+26,113+2,342.0%Added
Axxcess Wealth Management, LLC27,191$13.2M0.28%+2,374+9.6%Added
Kestra Advisory Services, LLC27,156$13.2M0.06%+1,600+6.3%Added
Punch & Associates Investment Management, Inc.27,129$13.2M0.76%−110.0%Reduced
Sumitomo Life Insurance Co27,033$13.1M0.41%+1,262+4.9%Added
Ninety One SA (PTY) Ltd27,055$12.9M0.58%+12,522+86.2%Added
Cubist Systematic Strategies, LLC26,469$12.8M0.18%−99,812−79.0%Reduced
Norris Perne & French LLP26,417$12.8M0.89%+20+0.1%Added
Tower Bridge Advisors26,405$12.8M1.28%−119−0.4%Reduced
Talbot Financial, LLC26,387$12.8M1.08%+1,888+7.7%Added
Needham Investment Management LLC26,250$12.7M0.89%−250−0.9%Reduced
Rothschild Investment LLC25,939$12.6M0.71%−391−1.5%Reduced
Stratos Wealth Partners, LTD.25,888$12.6M0.15%+1,074+4.3%Added
Renaissance Investment Group LLC25,823$12.5M2.54%−245−0.9%Reduced
Dodge & Cox25,741$12.5M0.01%−200−0.8%Reduced
First Citizens Bank & Trust Co25,692$12.5M0.27%−230−0.9%Reduced
Stonebridge Capital Advisors LLC25,659$12.4M0.89%+130+0.5%Added
ARS Wealth Advisors Group, LLC25,569$12.4M1.22%+7,787+43.8%Added
IMC-Chicago, LLC25,484$12.4M0.22%−12,587−33.1%Reduced
Teca Partners, LP25,350$12.3M7.76%+25,350New
Warren Averett Asset Management, LLC25,331$12.3M0.12%+216+0.9%Added
Novare Capital Management LLC25,275$12.3M0.93%+779+3.2%Added
Douglass Winthrop Advisors, LLC25,207$12.2M0.21%+851+3.5%Added
Albion Financial Group25,030$12.1M0.73%−457−1.8%Reduced
Bamco Inc24,712$12.0M0.03%−6,054−19.7%Reduced
Gabelli Funds LLC24,665$12.0M0.08%−370−1.5%Reduced
Ferguson Wellman Capital Management, Inc24,446$11.9M0.19%−613−2.4%Reduced
DDD Partners, LLC24,199$11.7M0.75%+422+1.8%Added
Glenview Trust Co24,142$11.7M0.19%+631+2.7%Added
Baker Avenue Asset Management, LP24,129$11.7M0.28%+1,095+4.8%Added
Pinnacle Associates Ltd24,086$11.7M0.16%+534+2.3%Added
Engineers Gate Manager LP23,827$11.6M0.13%−9,129−27.7%Reduced
Hantz Financial Services, Inc.23,782$11.5M0.17%−41,075−63.3%Reduced