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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
Howard G. BergerPresident CEO2026-05-0525,992$18.64
$484.49kBuy
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 Officer2026-03-195,346$62.82
$335.84kSell
Alma Gregory SorensenChief Strategy Officer2026-03-1814,200$62.12
$882.10kSell
Alma Gregory SorensenChief Strategy Officer2026-03-18800$62.72
$50.18kSell
Alma Gregory SorensenChief Strategy Officer2026-03-165,919$61.72
$365.32kSell
David Jeffrey KatzEVP and Chief Legal Officer2025-12-103,396$29.44
$99.98kBuy
Mark StolperEVP Chief Financial Officer2025-12-1035,703$6.07
$216.72kBuy
Stephen M. ForthuberPres COO-Eastern Operations2025-12-051,700$79.77
$135.61kSell

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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 Kaminsky23.00%18,085,620$979.70MInsider
Blackrock Inc12.76%10,035,734$543.64MInstitution
Howard G. Berger7.53%5,921,545$320.77MInsider
Rtw Investments LP5.45%4,285,000$232.12MInstitution
Price T Rowe Associates Inc5.28%4,154,863$225.07MInstitution
Vanguard Portfolio Management LLC4.96%3,899,127$211.22MInstitution
Beck Mack Oliver LLC4.03%3,166,192$171.51MInstitution
Vanguard Capital Management LLC3.96%3,111,012$168.52MInstitution
State Street Corp3.37%2,651,598$143.64MInstitution
Geode Capital Management LLC2.19%1,723,607$93.37MInstitution

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RDNT vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RDNT71.19%28.81%Net SellingNet Selling
CAI41.85%58.15%Net SellingNet Selling
SHC96.61%2.99%Net SellingNet Selling
BLLN24.65%19.00%Net Buying
TWST88.97%11.03%Net SellingNet Selling
View Top Diagnostic & Research Stocks

Radnet Stock Ownership FAQ

Who owns Radnet?

Radnet (NASDAQ: RDNT) is owned by 97.62% institutional shareholders, 39.51% Radnet insiders, and 0.00% retail investors. Sandy Nyholm Kaminsky is the largest individual Radnet shareholder, owning 18.09M shares representing 23.00% of the company. Sandy Nyholm Kaminsky's Radnet shares are currently valued at $964.87M.

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