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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
Blackrock Inc8.19%30,427,192$13.63BInstitution
Vanguard Capital Management LLC6.53%24,280,816$10.87BInstitution
State Street Corp4.50%16,731,668$7.49BInstitution
Morgan Stanley2.92%10,863,528$4.86BInstitution
Fmr LLC2.90%10,776,436$4.83BInstitution
Geode Capital Management LLC2.26%8,407,891$3.77BInstitution
Franklin Resources Inc1.83%6,813,031$3.05BInstitution
Jpmorgan Chase Co1.83%6,795,482$3.04BInstitution
Capital World Investors1.79%6,646,316$2.98BInstitution
Price T Rowe Associates Inc1.70%6,315,471$2.83BInstitution

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TMO vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TMO89.14%0.92%Net BuyingNet Selling
DHR75.72%24.28%Net SellingNet Selling
IDXX90.61%1.81%Net BuyingNet Selling
WAT95.11%4.89%Net SellingNet Selling
A89.84%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 89.14% institutional shareholders, 0.92% Thermo Fisher Scientific insiders, and 9.93% retail investors. Blackrock Inc is the largest individual Thermo Fisher Scientific shareholder, owning 30.43M shares representing 8.19% of the company. Blackrock Inc's Thermo Fisher Scientific shares are currently valued at $13.75B.

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