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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
David L. SwartzDirector2026-06-182,699$53.89
$145.45kSell
Cornelis WesdorpPres CEO Digital Health2026-06-164,750$58.11
$276.02kSell
Stephen M. ForthuberPres CEO-Eastern Operations2026-06-1524,214$57.79
$1.40MSell
Stephen M. ForthuberPres CEO-Eastern Operations2026-06-1519,853$58.61
$1.16MSell
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 Officer2026-03-18800$62.72
$50.18kSell
Alma Gregory SorensenChief Strategy Officer2026-03-1814,200$62.12
$882.10kSell

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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$1.24BInsider
Blackrock Inc12.76%10,035,734$689.96MInstitution
Howard G. Berger7.53%5,921,455$407.10MInsider
Rtw Investments LP5.45%4,285,000$294.59MInstitution
Price T Rowe Associates Inc5.28%4,154,863$285.65MInstitution
Vanguard Portfolio Management LLC4.96%3,899,127$268.06MInstitution
Beck Mack Oliver LLC4.03%3,166,192$217.68MInstitution
Vanguard Capital Management LLC3.96%3,111,012$213.88MInstitution
State Street Corp3.37%2,651,598$182.30MInstitution
Geode Capital Management LLC2.19%1,723,607$118.50MInstitution

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RDNT vs Diagnostic & Research Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RDNT71.30%28.70%Net SellingNet Selling
BLLN24.65%18.94%Net BuyingNet Selling
SHC96.63%3.24%Net SellingNet Selling
TWST89.06%10.94%Net SellingNet Selling
GRAL80.86%19.14%Net SellingNet Selling
View Top Diagnostic & Research Stocks

Radnet Stock Ownership FAQ

Who owns Radnet?

Radnet (NASDAQ: RDNT) is owned by 98.04% institutional shareholders, 39.46% 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 $1.24B.

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