There is a long list of 216 institutional holders of RDNT within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of RDNT by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-RDNT table below, the initial column indicates the name of each top institutional holder of RDNT, with a link to that fund's top holdings. The next columns indicate the amount of RDNT stock held by each of the institutional holders of RDNT, followed by the RDNT position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Punch & Associates Investment Management Inc.		$32,690,867	12/31/2023
Call	939,264	$32,658,209	12/31/2023
RDNT	939,264	$32,658	12/31/2023
BlackRock Inc.	8,894,317	$309,255	12/31/2023
RDNT	8,894,317	$309,255	12/31/2023
Vanguard Group Inc.	4,254,717	$147,937	12/31/2023
RDNT	4,254,717	$147,937	12/31/2023
Beck Mack & Oliver LLC	3,230,057	$112,309	12/31/2023
RDNT	3,230,057	$112,309	12/31/2023
State Street Corp	2,221,632	$77,246	12/31/2023
RDNT	2,221,632	$77,246	12/31/2023
JB Capital Partners LP	2,127,211	$73,963	12/31/2023
RDNT	2,127,211	$73,963	12/31/2023
Dimensional Fund Advisors LP	1,744,124	$60,646	12/31/2023
RDNT	1,744,124	$60,646	12/31/2023
Invesco Ltd.	1,560,766	$54,268	12/31/2023
RDNT	1,560,766	$54,268	12/31/2023
Edmond DE Rothschild Holding S.A.	1,547,652	$53,812	12/31/2023
RDNT	1,547,652	$53,812	12/31/2023
Geode Capital Management LLC	1,327,222	$46,153	12/31/2023
RDNT	1,327,222	$46,153	12/31/2023
Principal Financial Group Inc.	1,290,582	$44,874	12/31/2023
RDNT	1,290,582	$44,874	12/31/2023
American Century Companies Inc.	1,208,748	$42,028	12/31/2023
RDNT	1,208,748	$42,028	12/31/2023
Alyeska Investment Group L.P.	1,171,485	$40,733	12/31/2023
RDNT	1,171,485	$40,733	12/31/2023
Hood River Capital Management LLC	993,885	$34,557	12/31/2023
RDNT	993,885	$34,557	12/31/2023
Point72 Asset Management L.P.	891,100	$30,984	12/31/2023
RDNT	891,100	$30,984	12/31/2023
Global Alpha Capital Management Ltd.	878,104	$30,532	12/31/2023
RDNT	878,104	$30,532	12/31/2023
Goldman Sachs Group Inc.	771,662	$26,831	12/31/2023
RDNT	771,662	$26,831	12/31/2023
Wellington Management Group LLP	727,172	$25,284	12/31/2023
RDNT	727,172	$25,284	12/31/2023
Loomis Sayles & Co. L P	706,001	$24,548	12/31/2023
RDNT	706,001	$24,548	12/31/2023
Millennium Management LLC		$24,298	12/31/2023
RDNT	738,839	$25,689	12/31/2023
Put	90,000	$3,129	12/31/2023
Call	50,000	$1,738	12/31/2023
Allspring Global Investments Holdings LLC	496,632	$24,166	03/31/2024
RDNT	496,632	$24,166	03/31/2024
RTW Investments LP	663,602	$23,073	12/31/2023
RDNT	663,602	$23,073	12/31/2023
Northern Trust Corp	632,593	$21,995	12/31/2023
RDNT	632,593	$21,995	12/31/2023
Bank of New York Mellon Corp	443,000	$21,556	03/31/2024
RDNT	443,000	$21,556	03/31/2024
Falcon Edge Capital LP	608,811	$21,168	12/31/2023
RDNT	608,811	$21,168	12/31/2023
Charles Schwab Investment Management Inc.	606,207	$21,078	12/31/2023
RDNT	606,207	$21,078	12/31/2023
Deutsche Bank AG	573,766	$19,950	12/31/2023
RDNT	573,766	$19,950	12/31/2023
Adage Capital Partners GP L.L.C.	559,393	$19,450	12/31/2023
RDNT	559,393	$19,450	12/31/2023
Emerald Advisers LLC	548,631	$19,076	12/31/2023
RDNT	548,631	$19,076	12/31/2023
Morgan Stanley	526,228	$18,297	12/31/2023
RDNT	526,228	$18,297	12/31/2023
Emerald Mutual Fund Advisers Trust	444,930	$15,470	12/31/2023
RDNT	444,930	$15,470	12/31/2023
Skandinaviska Enskilda Banken AB publ	436,018	$15,160	12/31/2023
RDNT	436,018	$15,160	12/31/2023
UBS Asset Management Americas Inc.	418,936	$14,566	12/31/2023
RDNT	418,936	$14,566	12/31/2023
Silvercrest Asset Management Group LLC	400,050	$13,910	12/31/2023
RDNT	400,050	$13,910	12/31/2023
Ameriprise Financial Inc.	366,747	$12,752	12/31/2023
RDNT	366,747	$12,752	12/31/2023
Penn Capital Management Co. Inc.	359,256	$12,508	12/31/2023
RDNT	359,256	$12,508	12/31/2023
Royce & Associates LP	352,135	$12,244	12/31/2023
RDNT	352,135	$12,244	12/31/2023
Robotti Robert	290,013	$10,084	12/31/2023
RDNT	290,013	$10,084	12/31/2023
Pier Capital LLC	275,623	$9,583	12/31/2023
RDNT	275,623	$9,583	12/31/2023
New York State Common Retirement Fund	265,803	$9,242	12/31/2023
RDNT	265,803	$9,242	12/31/2023
Victory Capital Management Inc.	256,039	$8,902	12/31/2023
RDNT	256,039	$8,902	12/31/2023
Hsbc Holdings PLC	242,160	$8,487	12/31/2023
RDNT	242,160	$8,487	12/31/2023
Bessemer Group Inc.	231,931	$8,064	12/31/2023
RDNT	231,931	$8,064	12/31/2023
Barclays PLC	195,464	$6,796	12/31/2023
RDNT	195,464	$6,796	12/31/2023
Rathbone Brothers plc	194,189	$6,752	12/31/2023
RDNT	194,189	$6,752	12/31/2023
Legal & General Group Plc	173,725	$6,040	12/31/2023
RDNT	173,725	$6,040	12/31/2023
Neuberger Berman Group LLC	169,814	$5,904	12/31/2023
RDNT	169,814	$5,904	12/31/2023
Cerity Partners LLC	168,864	$5,871	12/31/2023
RDNT	168,864	$5,871	12/31/2023
Rhumbline Advisers	168,449	$5,857	12/31/2023
RDNT	168,449	$5,857	12/31/2023
Rockefeller Capital Management L.P.	162,645	$5,655	12/31/2023
RDNT	162,645	$5,655	12/31/2023