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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
−57 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
230
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: 2,321 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 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 20252,708$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, 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
Hurley Capital, LLC1$4920.00%−18−94.7%Reduced
Investors Research Corp1$4920.00%00.0%Unchanged
St. Johns Investment Management Company, LLC1$4960.00%00.0%Unchanged
Benson Wealth Management INC2$9830.00%−11−84.6%Reduced
Morton Brown Family Wealth, LLC2$9830.00%00.0%Unchanged
SWAN Capital LLC2$9830.00%00.0%Unchanged
Monetary Solutions, Ltd2$9830.00%00.0%Unchanged
Harvest Fund Management Co., Ltd2$1.00K0.00%−10−83.3%Reduced
Broadwater Capital Management LLC2$1.16K0.00%00.0%Unchanged
Investors Portfolio Services LLC3$1.32K0.00%+1+50.0%Added
LM Advisors LLC724$1.47K0.03%−141−16.3%Reduced
Noble Wealth Management PBC3$1.48K0.00%−16−84.2%Reduced
Rakuten Securities, Inc.3$1.48K0.00%−7−70.0%Reduced
Fiduciary Advisors, Inc.3$1.48K0.00%00.0%Unchanged
Sawyer & Company, Inc3$1.48K0.00%00.0%Unchanged
Atlantic Private Wealth, LLC3$1.48K0.00%00.0%Unchanged
Granite FO LLC3$1.48K0.00%00.0%Unchanged
Palladiem, LLC3$1.49K0.00%00.0%Unchanged
Davis Capital Management4$1.97K0.00%−1−20.0%Reduced
Networth Advisors, LLC4$1.97K0.00%00.0%Unchanged
Proathlete Wealth Management LLC5$2.46K0.00%00.0%Unchanged
Curio Wealth, LLC5$2.46K0.00%+2+66.7%Added
Game Plan Financial Advisors, LLC5$2.46K0.00%+5New
Operose Advisors LLC5$2.46K0.00%+5New
Portfolio Resources Advisor Group, Inc.5$2.46K0.00%00.0%Unchanged
Kozak & Associates, Inc.5$2.57K0.00%00.0%Unchanged
Richard W. Paul & Associates, LLC6$2.95K0.00%00.0%Unchanged
Fairman Group, LLC6$2.95K0.00%00.0%Unchanged
Merrithew & Thorsten Inc7$3.00K0.00%00.0%Unchanged
Elequin Capital LP7$3.44K0.00%+7New
Magnolia Wealth Management, LLC7$3.44K0.00%+7New
TopTier Wealth Management, LLC7$3.44K0.00%+7New
Corsicana & Co.7$3.48K0.00%00.0%Unchanged
PayPay Securities Corp7$3.61K0.13%−1−12.5%Reduced
Key Capital Management, INC8$3.93K0.00%+8New
Longview Financial Advisors LLC8$3.93K0.00%00.0%Unchanged
Pacific Center for Financial Services8$3.93K0.00%00.0%Unchanged
Minot DeBlois Advisors LLC8$3.98K0.00%−5−38.5%Reduced
Strategic Advocates LLC9$4.42K0.02%+9New
Maseco LLP9$4.43K0.00%−29−76.3%Reduced
Your Advocates Ltd., LLP10$4.92K0.00%00.0%Unchanged
Copia Wealth Management10$4.92K0.00%00.0%Unchanged
Hilton Head Capital Partners, LLC10$4.92K0.00%00.0%Unchanged
Retirement Wealth Solutions LLC10$4.92K0.00%−4−28.6%Reduced
Torren Management, LLC10$4.93K0.00%−136−93.2%Reduced
Imprint Wealth LLC11$5.41K0.02%−25−69.4%Reduced
Kingdom Financial Group LLC.11$5.42K0.00%+7+175.0%Added
Lloyd Advisory Services, LLC.11$5.42K0.00%+11New
New England Capital Financial Advisors LLC11$5.45K0.00%00.0%Unchanged
Stone House Investment Management, LLC12$5.90K0.00%00.0%Unchanged
Catherine Avery Investment Management LLC12$5.90K0.00%00.0%Unchanged
Sapience Investments, LLC12$5.90K0.76%+12New
Portus Wealth Advisors, LLC12$5.90K0.01%+12New
Cherry Tree Wealth Management, LLC12$5.90K0.00%00.0%Unchanged
POM Investment Strategies, LLC12$5.90K0.01%−3−20.0%Reduced
Stephenson National Bank & Trust13$6.39K0.00%−12−48.0%Reduced
Paladin Advisory Group, LLC13$6.39K0.00%00.0%Unchanged
Bard Associates Inc13$6.40K0.00%00.0%Unchanged
Valued Wealth Advisors LLC13$6.40K0.00%+12+1,200.0%Added
Estabrook Capital Management14$6.88K0.00%00.0%Unchanged
Nemes Rush Group LLC14$6.88K0.00%+7+100.0%Added
DiNuzzo Private Wealth, Inc.14$6.88K0.00%−39−73.6%Reduced
Quaker Wealth Management, LLC14$6.88K0.00%−5−26.3%Reduced
Three Bearings Fiduciary Advisors, Inc.14$6.89K0.01%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.15$7.37K0.00%00.0%Unchanged
ESL Trust Services, LLC15$7.37K0.00%00.0%Unchanged
Rialto Wealth Management, LLC15$7.37K0.00%+2+15.4%Added
United Financial Planning Group LLC15$7.37K0.00%+15New
Entrust Financial LLC16$7.87K0.01%00.0%Unchanged
Cornerstone Financial Management LLC17$8.36K0.01%+1+6.3%Added
Align Financial, LLC19$9.34K0.01%−10,991−99.8%Reduced
Vermillion Wealth Management, Inc.19$9.34K0.00%+19New
CBIZ Investment Advisory Services, LLC19$9.35K0.00%−99−83.9%Reduced
Wolff Wiese Magana LLC20$9.83K0.01%−8−28.6%Reduced
Bernard Wealth Management Corp.20$9.83K0.00%00.0%Unchanged
Contravisory Investment Management, Inc.23$11.3K0.00%00.0%Unchanged
Tidemark, LLC24$11.9K0.00%+5+26.3%Added
Pin Oak Investment Advisors Inc25$12.0K0.01%00.0%Unchanged
Indiana Trust & Investment Management CO25$12.3K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC26$12.8K0.01%+6+30.0%Added
Bare Financial Services, Inc26$12.8K0.00%+21+420.0%Added
Quest 10 Wealth Builders, Inc.27$13.3K0.01%−2−6.9%Reduced
Lodestone Wealth Management LLC27$13.3K0.01%00.0%Unchanged
Burk Holdings LLC27$13.3K0.01%+27New
DecisionPoint Financial, LLC27$13.3K0.00%00.0%Unchanged
PlanVest Financial, Inc28$13.8K0.01%+28New
Penserra Capital Management LLC30$14.0K0.00%−3−9.1%Reduced
Bay Harbor Wealth Management, LLC30$14.7K0.00%+8+36.4%Added
Quarry LP30$14.7K0.00%−83−73.5%Reduced
Moisand Fitzgerald Tamayo, LLC30$14.7K0.00%00.0%Unchanged
Global Trust Asset Management, LLC30$14.7K0.01%00.0%Unchanged
Halbert Hargrove Global Advisors, LLC32$15.7K0.00%00.0%Unchanged
1 North Wealth Services LLC32$15.7K0.01%00.0%Unchanged
Horizon Financial Services, LLC32$15.7K0.01%+16+100.0%Added
Truvestments Capital LLC33$16.2K0.00%00.0%Unchanged
Vision Financial Markets LLC34$16.3K0.02%−25−42.4%Reduced
High Note Wealth, LLC34$16.7K0.00%−12−26.1%Reduced
Clal Insurance Enterprises Holdings Ltd35$17.0K0.00%−13−27.1%Reduced
Hager Investment Management Services, LLC35$17.2K0.01%00.0%Unchanged
Gunpowder Capital Management, LLC dba Oliver Wealth Management35$17.2K0.01%00.0%Unchanged