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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
Marc N. CasperChairman CEO2026-03-045,000$309.63
$1.55MBuy
Marc N. CasperChairman CEO2026-03-04447$509.89
$227.92kSell
Marc N. CasperChairman CEO2026-03-04678$510.71
$346.26kSell
Marc N. CasperChairman CEO2026-03-041,370$511.80
$701.17kSell
Marc N. CasperChairman CEO2026-03-041,241$512.92
$636.53kSell
Marc N. CasperChairman CEO2026-03-04815$513.63
$418.61kSell
Marc N. CasperChairman CEO2026-03-04212$514.86
$109.15kSell
Marc N. CasperChairman CEO2026-03-04119$515.77
$61.38kSell
Marc N. CasperChairman CEO2026-03-04118$516.75
$60.98kSell
Marc N. CasperChairman CEO2026-03-03759$508.95
$386.29kSell

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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$17.50BInstitution
J Stern Co LLP8.48%31,509,332$16.15BInstitution
Blackrock Inc8.26%30,677,885$15.73BInstitution
State Street Corp4.47%16,613,761$8.52BInstitution
Morgan Stanley3.20%11,894,277$6.10BInstitution
Capital World Investors2.96%11,003,814$5.64BInstitution
Fmr LLC2.64%9,793,347$5.02BInstitution
Geode Capital Management LLC2.21%8,196,477$4.20BInstitution
Price T Rowe Associates Inc2.07%7,701,353$3.95BInstitution
Jpmorgan Chase Co1.78%6,611,878$3.39BInstitution

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TMO vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TMO99.09%0.91%Net BuyingNet Selling
DHR76.07%23.93%Net SellingNet Selling
IDXX98.26%1.74%Net BuyingNet Selling
A90.46%1.27%Net SellingNet Selling
WAT58.39%4.95%Net SellingNet Selling
View Top Diagnostic & Research Stocks

Thermo Fisher Scientific Stock Ownership FAQ

Who owns Thermo Fisher Scientific?

Thermo Fisher Scientific (NYSE: TMO) is owned by 101.13% 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 $17.71B.

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