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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
Trillium Asset Management, LLC33,939$19.9M0.61%−2,881−7.8%Reduced
Lyell Wealth Management, LP34,223$19.8M1.44%+1,453+4.4%Added
Investment Management Corp of Ontario34,171$19.8M0.26%+16,402+92.3%Added
Highland Capital Management, LLC34,139$19.8M0.98%−686−2.0%Reduced
South Dakota Investment Council34,018$19.7M0.38%−7,574−18.2%Reduced
Prime Capital Investment Advisors, LLC33,974$19.7M0.24%+317+0.9%Added
Rhenman & Partners Asset Management AB33,640$19.5M1.82%+3,600+12.0%Added
BCV Asset Management Inc.36,006$19.5M0.49%+36,006New
Clarkston Capital Partners, LLC33,414$19.4M0.45%+196+0.6%Added
McGuire Investment Group, LLC33,339$19.3M2.06%+38+0.1%Added
Wilson Asset Management (International) Pty Ltd33,270$19.3M4.95%+1,625+5.1%Added
Windward Capital Management Co32,925$19.1M1.51%−1,141−3.3%Reduced
GW&K Investment Management, LLC32,660$18.9M0.16%−2,788−7.9%Reduced
Cary Street Partners Financial LLC32,487$18.8M0.47%+1,094+3.5%Added
Atria Investments LLC32,421$18.8M0.21%−825−2.5%Reduced
Arcadia Investment Management Corp32,270$18.7M3.03%−962−2.9%Reduced
TD Waterhouse Canada Inc.32,215$18.7M0.12%−1,765−5.2%Reduced
Lowe Brockenbrough & Co Inc32,215$18.7M0.92%+345+1.1%Added
Rokos Capital Management LLP31,997$18.5M0.27%00.0%Unchanged
United Asset Strategies, Inc.31,641$18.3M1.42%−520−1.6%Reduced
Nixon Peabody Trust Co31,389$18.2M1.38%−844−2.6%Reduced
Phraction Management LLC30,984$18.0M4.82%−37−0.1%Reduced
McDaniel Terry & Co30,925$17.9M1.56%−1,550−4.8%Reduced
Pacer Advisors, Inc.30,820$17.9M0.05%−564−1.8%Reduced
Warren Averett Asset Management, LLC30,789$17.8M0.14%+5,458+21.5%Added
Flputnam Investment Management Co30,779$17.8M0.26%−677−2.2%Reduced
First American Bank30,580$17.7M1.07%+1,084+3.7%Added
Lathrop Investment Management Corp30,377$17.6M3.19%−130−0.4%Reduced
Avanza Fonder AB30,285$17.5M0.45%+1,481+5.1%Added
Covington Investment Advisors Inc.30,260$17.5M2.40%−3,830−11.2%Reduced
NFJ Investment Group, LLC30,246$17.5M0.63%−39,690−56.8%Reduced
Freestone Capital Holdings, LLC30,169$17.5M0.52%+82+0.3%Added
Teachers Retirement System of the State of Kentucky30,039$17.4M0.13%00.0%Unchanged
HealthInvest Partners AB29,915$17.3M5.53%+2,768+10.2%Added
LaFleur & Godfrey LLC29,864$17.3M2.10%−763−2.5%Reduced
Oppenheimer & Co Inc29,819$17.3M0.25%−540−1.8%Reduced
M. Kraus & Co29,680$17.2M4.80%−203−0.7%Reduced
Addenda Capital Inc.29,483$17.1M0.50%−274−0.9%Reduced
EULAV Asset Management29,400$17.0M0.45%00.0%Unchanged
Evelyn Partners Investment Management Services Ltd29,269$17.0M2.12%−384−1.3%Reduced
McRae Capital Management Inc29,203$16.9M3.45%−1,565−5.1%Reduced
Kavar Capital Partners Group, LLC29,042$16.8M2.32%−471−1.6%Reduced
Titan Global Capital Management USA LLC28,936$16.8M2.40%−236−0.8%Reduced
Bamco Inc28,820$16.7M0.05%+4,108+16.6%Added
HB Wealth Management, LLC28,726$16.6M0.11%+1,304+4.8%Added
Allstate Corp28,722$16.6M0.23%+14,969+108.8%Added
Sumitomo Life Insurance Co28,470$16.5M0.45%+1,437+5.3%Added
Mirae Asset Global ETFs Holdings Ltd.28,282$16.4M0.02%−6,384−18.4%Reduced
Ninety One SA (PTY) Ltd28,192$16.3M0.71%+1,137+4.2%Added
Envestnet Portfolio Solutions, Inc.28,138$16.3M0.06%−4,292−13.2%Reduced
Wealthfront Advisers LLC28,123$16.3M0.04%+5,738+25.6%Added
Dash Acquisitions Inc.28,741$16.2M3.39%−806−2.7%Reduced
Blue Sparrow, LLC27,900$16.2M0.30%+27,900New
Mizuho Securities USA LLC27,357$16.2M0.27%−146−0.5%Reduced
Kestra Advisory Services, LLC27,816$16.1M0.07%+660+2.4%Added
Private Capital Advisors, Inc.27,759$16.1M1.64%−1,020−3.5%Reduced
CCM Investment Advisers LLC27,724$16.1M1.54%−2,163−7.2%Reduced
Davis-Rea Ltd.27,532$16.0M4.00%−10,976−28.5%Reduced
Northwest & Ethical Investments L.P.27,512$15.9M0.36%−720−2.6%Reduced
Bright Rock Capital Management, LLC27,500$15.9M3.13%00.0%Unchanged
Punch & Associates Investment Management, Inc.27,295$15.8M0.92%+166+0.6%Added
Sit Investment Associates Inc27,207$15.8M0.31%−615−2.2%Reduced
First National Bank of Omaha26,997$15.7M0.47%+24,087+827.7%Added
Gateway Investment Advisers LLC27,086$15.7M0.15%−226−0.8%Reduced
ARS Wealth Advisors Group, LLC27,050$15.7M1.41%+1,481+5.8%Added
Perigon Wealth Management, LLC27,049$15.7M0.28%−386−1.4%Reduced
Axxcess Wealth Management, LLC26,895$15.6M0.28%−296−1.1%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.26,811$15.5M0.56%+26,811New
Talbot Financial, LLC26,508$15.4M1.26%+121+0.5%Added
Anchor Capital Advisors LLC26,427$15.3M0.44%−1,154−4.2%Reduced
Baker Avenue Asset Management, LP26,358$15.3M0.35%+2,229+9.2%Added
EP Wealth Advisors, LLC26,320$15.3M0.08%+26,320New
S.E.E.D. Planning Group LLC26,207$15.2M4.33%−1,248−4.5%Reduced
Tower Bridge Advisors26,125$15.1M1.53%−280−1.1%Reduced
Norris Perne & French LLP25,953$15.0M0.99%−464−1.8%Reduced
Renaissance Investment Group LLC25,775$14.9M3.01%−48−0.2%Reduced
Dodge & Cox25,741$14.9M0.01%00.0%Unchanged
CWM, LLC25,627$14.8M0.04%+9,690+60.8%Added
Rothschild Investment LLC25,617$14.8M0.82%−322−1.2%Reduced
Stonebridge Capital Advisors LLC25,519$14.8M1.02%−140−0.5%Reduced
Virginia Retirement Systems Et Al25,440$14.7M0.09%+25,440New
Novare Capital Management LLC25,376$14.7M1.10%+101+0.4%Added
Ieq Capital, LLC25,367$14.7M0.04%−2,064−7.5%Reduced
NLB Skladi, upravljanje premozenja, d.o.o.25,286$14.7M0.67%+25,286New
Needham Investment Management LLC25,250$14.6M0.92%−1,000−3.8%Reduced
Sycomore Asset Management23,318$14.4M2.39%00.0%Unchanged
Douglass Winthrop Advisors, LLC24,849$14.4M0.25%−358−1.4%Reduced
Duncker Streett & Co Inc24,789$14.4M2.55%+3,218+14.9%Added
Wiley Bros.-Aintree Capital, LLC24,746$14.3M0.07%+3,301+15.4%Added
Stratos Wealth Partners, LTD.24,429$14.2M0.16%−1,459−5.6%Reduced
Albion Financial Group24,400$14.1M0.88%−630−2.5%Reduced
Applied Finance Capital Management, LLC24,383$14.1M1.01%−5,104−17.3%Reduced
Glenview Trust Co24,214$14.0M0.22%+72+0.3%Added
DDD Partners, LLC24,136$14.0M0.89%−63−0.3%Reduced
J. Safra Sarasin Holding AG23,793$13.8M0.22%−5,034−17.5%Reduced
GWM Advisors LLC23,719$13.7M0.05%+2,767+13.2%Added
Kentucky Retirement Systems23,710$13.7M0.37%00.0%Unchanged
North Growth Management Ltd.23,000$13.5M2.11%+2,000+9.5%Added
Argent Trust Co23,152$13.4M0.46%+1,581+7.3%Added
Motco22,960$13.3M1.21%−74−0.3%Reduced