RadNet, Inc. (RDNT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

42,866,667Shares Outstanding

206,023Shares held by institutions

$14,644,115Value of institutional holdings

34.98%Institutional ownership %

83.27%Shares Changed QoQ

92No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 320 institutions have reported a stake in RadNet, Inc. (NASDAQ:RDNT) as of December 2025, according to recent 13F filings with the SEC.

Institutional ownership in RadNet edged down to 95.4% in December 2025, compared to 99.2% in September 2025.
In percentage terms, this reflects as a holdings change of 2.32% quarter on quarter, and a decrease of 2.14% year over year.
The latest 13F cycle for RadNet reveals that of 320 total investors, 165 funds grew their exposure, whereas 107 reduced theirs and 48 made no changes.
The total number of shares held by institutions in RadNet increased to 71.29Mn as of December 2025, a net change of up by 1.61Mn shares quarter on quarter, and up 6.97Mn shares year over year.
As of December 31, 2025, BlackRock, Inc. held RadNet's largest shareholding position with over 10.02Mn shares, representing 13.40% of total outstanding shares.
Among the most significant buyers of RadNet during December 2025 were RTW INVESTMENTS, LP (1.12Mn), GOLDMAN SACHS GROUP INC (657.90K), BlackRock, Inc. (567.35K), Defiance ETFs, LLC (517.82K), NORGES BANK (450.72K).
Leading sellers of RadNet stock in December 2025 included T. Rowe Price Investment Management, Inc. (1.00Mn), Allspring Global Investments Holdings, LLC (694.77K), AMERICAN CENTURY COMPANIES INC (355.47K), AMERIPRISE FINANCIAL INC (293.59K), MARSHALL WACE, LLP (285.73K).
The top 10 institutional holders of RadNet for the quarter ending December 2025 included BlackRock, Inc. (10.02Mn), VANGUARD GROUP INC (7.46Mn), RTW INVESTMENTS, LP (3.94Mn), BECK MACK & OLIVER LLC (3.23Mn), STATE STREET CORP (2.58Mn), GOLDMAN SACHS GROUP INC (1.70Mn), GEODE CAPITAL MANAGEMENT, LLC (1.67Mn), JB CAPITAL PARTNERS LP (1.42Mn), Hood River Capital Management LLC (1.40Mn), DIMENSIONAL FUND ADVISORS LP (1.36Mn).

320 Institutional Holders

206,023 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	10,021,020	567,345	6.00%	$714,999,811.00
VANGUARD GROUP INC	31 Dec, 2025	7,463,101	-20,768	-0.28%	$532,492,257.00
RTW INVESTMENTS, LP	31 Dec, 2025	3,938,500	1,122,956	39.88%	$281,011,975.00
BECK MACK & OLIVER LLC	31 Dec, 2025	3,231,451	-45,323	-1.38%	$230,564,029.00
STATE STREET CORP	31 Dec, 2025	2,579,073	41,356	1.63%	$184,016,859.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,703,042	657,898	62.95%	$121,512,047.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,671,543	6,655	0.40%	$119,283,231.00
JB CAPITAL PARTNERS LP	31 Dec, 2025	1,424,061	0	0.00%	$101,606,752.00
Hood River Capital Management LLC	31 Dec, 2025	1,395,891	24,597	1.79%	$99,596,823.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,359,815	-17,905	-1.30%	$97,022,582.00
Alyeska Investment Group, L.P.	31 Dec, 2025	1,152,293	0	0.00%	$82,216,106.00
PRINCIPAL FINANCIAL GROUP INC	31 Dec, 2025	1,133,089	-8,748	-0.77%	$80,845,901.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	1,120,144	-293,590	-20.77%	$79,922,940.00
Clearbridge Investments, LLC	31 Dec, 2025	1,114,973	-71,087	-5.99%	$79,553,351.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	1,048,327	-694,773	-39.86%	$74,378,800.00
MORGAN STANLEY	31 Dec, 2025	949,971	218,070	29.80%	$67,780,563.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	908,032	-355,469	-28.13%	$64,788,210.00
Van Berkom & Associates Inc.	31 Dec, 2025	823,728	146	0.02%	$58,773.00
BAMCO INC /NY/	31 Dec, 2025	810,066	0	0.00%	$57,798,209.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	768,464	62,805	8.90%	$54,829,883.00

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