RadNet, Inc. (RDNT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

77,388,477Shares Outstanding

76,235,449Shares held by institutions

$4,384,300,672Value of institutional holdings

98.51%Institutional ownership %

5.81%Shares Changed QoQ

329No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

RadNet, Inc. (NASDAQ:RDNT) is held by 329 institutional investors per 13F filings through December 2025.

Collectively, these holders controlled 96.2% of RadNet's outstanding shares in December 2025, down from 96.4% in September 2025.
They increased total shares held in RadNet by 3.68% from the prior quarter, while the number of investors in RDNT increased 0.3% year over year.
Of these 329 funds, 172 grew their exposure to RadNet, 110 cut back, and 47 maintained positions.
Combined, these investors held 74.48Mn shares in RDNT for December 2025, up by 2.64Mn shares quarter on quarter, and up 7.02Mn shares year over year.
As of December 31, 2025, the biggest holder of RadNet is BlackRock, Inc. at 10.02Mn shares, representing 12.95% of shares outstanding.
The biggest buyers of RadNet for the quarter ending December 2025 included Goldman Sachs Group Inc (1.19Mn), RTW INVESTMENTS, LP (1.12Mn), FULLER & THALER ASSET MANAGEMENT, INC. (831.27K), BlackRock, Inc. (567.34K), Defiance ETFs, LLC (517.82K).
The largest sales of RDNT for the quarter ending December 2025 came from Allspring Global Investments Holdings, LLC (694.77K), AMERICAN CENTURY COMPANIES INC (355.47K), Ameriprise Financial Inc (293.59K), MARSHALL WACE, LLP (285.73K), EMERALD ADVISERS, LLC (247.45K).
Per Business Quant data, the top 10 holders of RadNet for the quarter ending December 2025 are 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 (2.24Mn), GEODE CAPITAL MANAGEMENT, LLC (1.67Mn), Invesco Ltd. (1.6Mn), FULLER & THALER ASSET MANAGEMENT, INC. (1.54Mn), JB CAPITAL PARTNERS LP (1.42Mn).

329 Institutional Holders

76,235,449 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	2,240,084	1,194,940	114.33%	$159,829,994.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,671,543	6,655	0.40%	$119,283,231.00
Invesco Ltd.	31 Dec, 2025	1,596,780	333,911	26.44%	$113,930,252.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	1,536,928	831,269	117.80%	$109,659,766.00
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
Rockefeller Capital Management L.P.	31 Dec, 2025	1,264,534	387,468	44.18%	$90,224,502.00
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

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