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NASDAQ: RDNT
Radnet Inc Stock Ownership - Who owns Radnet?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Radnet Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Alma Gregory SorensenChief Strategy Officer2026-03-195,346$62.82
$335.84kSell
Alma Gregory SorensenChief Strategy Officer2026-03-19100$63.59
$6.36kSell
Alma Gregory SorensenChief Strategy Officer2026-03-199,554$61.84
$590.82kSell
Alma Gregory SorensenChief Strategy Officer2026-03-18800$62.72
$50.18kSell
Alma Gregory SorensenChief Strategy Officer2026-03-1814,200$62.12
$882.10kSell
Alma Gregory SorensenChief Strategy Officer2026-03-165,919$61.72
$365.32kSell
Mark StolperEVP Chief Financial Officer2025-12-1035,703$6.07
$216.72kBuy
David Jeffrey KatzEVP and Chief Legal Officer2025-12-103,396$29.44
$99.98kBuy
Stephen M. ForthuberPres COO-Eastern Operations2025-12-051,700$79.77
$135.61kSell
Stephen M. ForthuberPres COO-Eastern Operations2025-12-0511,598$79.06
$916.94kSell

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Net Insider Buy/Sell (L12M) Ownership

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RDNT Shareholders

What type of owners hold Radnet Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sandy Nyholm Kaminsky23.30%18,085,620$990.91MInsider
Blackrock Inc12.91%10,021,020$549.05MInstitution
Vanguard Group Inc9.62%7,463,101$408.90MInstitution
Howard G. Berger7.60%5,895,553$323.02MInsider
Rtw Investments LP5.07%3,938,500$215.79MInstitution
Beck Mack Oliver LLC4.16%3,231,451$177.05MInstitution
Price T Rowe Associates Inc3.48%2,699,082$147.88MInstitution
State Street Corp3.32%2,579,073$141.31MInstitution
Geode Capital Management LLC2.15%1,671,543$91.58MInstitution
Invesco Ltd2.06%1,596,780$87.49MInstitution

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RDNT vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RDNT71.06%28.94%Net SellingNet Selling
SHC86.78%13.22%Net SellingNet Selling
BLLN18.60%25.95%Net Buying
TWST88.68%11.32%Net SellingNet Selling
CAI40.00%60.00%Net SellingNet Buying
View Top Diagnostic & Research Stocks

Radnet Stock Ownership FAQ

Who owns Radnet?

Radnet (NASDAQ: RDNT) is owned by 98.22% institutional shareholders, 40.00% Radnet insiders, and 0.00% retail investors. Sandy Nyholm Kaminsky is the largest individual Radnet shareholder, owning 18.09M shares representing 23.30% of the company. Sandy Nyholm Kaminsky's Radnet shares are currently valued at $990.91M.

If you're new to stock investing, here's how to buy Radnet stock.
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