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NYSE: TMO
Thermo Fisher Scientific Inc Stock Ownership - Who owns Thermo Fisher Scientific?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Thermo Fisher Scientific Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Gianluca PettitiPresident COO2026-04-27400$462.66
$185.06kSell
Michael D. ShaferExecutive Vice President2026-03-111,607$499.40
$802.54kSell
Marc N. CasperChairman CEO2026-03-054,000$309.63
$1.24MBuy
Marc N. CasperChairman CEO2026-03-05264$519.74
$137.21kSell
Marc N. CasperChairman CEO2026-03-05516$519.13
$267.87kSell
Marc N. CasperChairman CEO2026-03-05106$517.83
$54.89kSell
Marc N. CasperChairman CEO2026-03-05201$516.73
$103.86kSell
Marc N. CasperChairman CEO2026-03-05348$515.64
$179.44kSell
Marc N. CasperChairman CEO2026-03-05570$514.71
$293.38kSell
Marc N. CasperChairman CEO2026-03-051,133$513.71
$582.03kSell

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Net Insider Buy/Sell (L12M) Ownership

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TMO Shareholders

What type of owners hold Thermo Fisher Scientific Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc9.19%34,133,702$15.93BInstitution
J Stern Co LLP8.48%31,509,332$14.71BInstitution
Blackrock Inc8.26%30,677,885$14.32BInstitution
State Street Corp4.47%16,613,761$7.75BInstitution
Morgan Stanley3.20%11,894,277$5.55BInstitution
Capital World Investors2.96%11,003,814$5.14BInstitution
Fmr LLC2.64%9,793,347$4.57BInstitution
Geode Capital Management LLC2.21%8,196,477$3.83BInstitution
Price T Rowe Associates Inc2.07%7,701,353$3.59BInstitution
Jpmorgan Chase Co1.78%6,611,878$3.09BInstitution

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TMO vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TMO99.09%0.91%Net BuyingNet Selling
DHR76.09%23.91%Net SellingNet Selling
IDXX98.26%1.74%Net BuyingNet Selling
WAT58.81%4.95%Net SellingNet Selling
A90.80%1.28%Net BuyingNet Buying
View Top Diagnostic & Research Stocks

Thermo Fisher Scientific Stock Ownership FAQ

Who owns Thermo Fisher Scientific?

Thermo Fisher Scientific (NYSE: TMO) is owned by 100.98% institutional shareholders, 0.92% Thermo Fisher Scientific insiders, and 0.00% retail investors. Vanguard Group Inc is the largest individual Thermo Fisher Scientific shareholder, owning 34.13M shares representing 9.19% of the company. Vanguard Group Inc's Thermo Fisher Scientific shares are currently valued at $16.14B.

If you're new to stock investing, here's how to buy Thermo Fisher Scientific stock.
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