RadNet RDNT Institutional Ownership

NASDAQ RDNT

$75.33 -1.14 (-1.49%)

As of: Aug 27, 2026 · 3:59 PM EDT

Institutions by Trading Activity

329 Institutions

Increased 174 52.9%

Unchanged 44 13.4%

Reduced 111 33.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

105.51%

▲+4.51 pp QoQ

Shares Held by Institutions

82.07Mn

of 77.79Mn outstanding

▲+7.53% QoQ

Shares Outstanding

77.79Mn

-4.28Mn held outside 13F filers

Institutional Investors

329

filed 13F for Jun 2026

▼-9 vs prior quarter

Net Shares Added (QoQ)

+5.75Mn

accumulated since last quarter

Value of Holdings

$6.28Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

RadNet, Inc. (NASDAQ:RDNT) is held by 336 institutional investors per 13F filings through March 2026.

Their combined ownership stood at 101.0% of outstanding shares in March 2026, down from 101.4% in December 2025.
They increased total shares held in RadNet by 18.55% from the prior quarter, while the number of investors in RDNT increased 9.09% year over year.
Activity in RDNT broke down as 188 buyers, 106 sellers, and 42 unchanged among 336 total holders.
In total, institutional investors held 77.82Mn shares in RadNet as of March 2026, up by 12.18Mn shares quarter on quarter, and up 5.4Mn shares year over year.
As of March 31, 2026, BlackRock, Inc. held the largest stake in RadNet with 10.04Mn shares, accounting for 13.02% of total shares outstanding.
Leading buyers of RadNet shares for the quarter ending March 2026 were PRICE T ROWE ASSOCIATES INC /MD/ (4.15Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.9Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.11Mn), Van Berkom & Associates Inc. (1.23Mn), Point72 Asset Management, L.P. (597.76K).
Top sellers of RDNT stock for the quarter ending March 2026 included Goldman Sachs Group Inc (1.05Mn), FULLER & THALER ASSET MANAGEMENT, INC. (730.63K), Rockefeller Capital Management L.P. (561.42K), MILLENNIUM MANAGEMENT LLC (334.38K), ROBOTTI ROBERT (247.63K).
Per Business Quant, the top 10 investors in RDNT for the quarter ending March 2026 include BlackRock, Inc. (10.04Mn), RTW INVESTMENTS, LP (4.28Mn), PRICE T ROWE ASSOCIATES INC /MD/ (4.15Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.9Mn), BECK MACK & OLIVER LLC (3.17Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.11Mn), State Street Corp (2.65Mn), Van Berkom & Associates Inc. (2.06Mn), GEODE CAPITAL MANAGEMENT, LLC (1.72Mn), Invesco Ltd. (1.63Mn).

Form 13F Holdings

329 Institutional Holders

Report period 30 Jun, 2026

Total shares held 82.07Mn

Of outstanding 105.51%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	10,957,808	14.09%	▲922,074	+9.19%	$675.77Mn
2	RTW INVESTMENTS, LP	0001493215	4,846,958	6.23%	▲561,958	+13.11%	$298.91Mn
3	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	4,501,195	5.79%	▲346,332	+8.34%	$277.59K
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	4,066,931	5.23%	▲167,804	+4.30%	$250.81Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	3,193,565	4.11%	▲82,553	+2.65%	$196.95Mn
6	BECK MACK & OLIVER LLC	0000010742	3,163,592	4.07%	▼2,600	-0.08%	$195.10Mn
7	State Street Corp	0000093751	2,842,457	3.65%	▲190,859	+7.20%	$175.19Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,858,508	2.39%	▲134,901	+7.83%	$114.64Mn
9	Invesco Ltd.	0000914208	1,641,292	2.11%	▲7,797	+0.48%	$101.22Mn
10	AMERICAN CENTURY COMPANIES INC	0000748054	1,618,424	2.08%	▲716,232	+79.39%	$99.81Mn
11	Clearbridge Investments, LLC	0001348883	1,546,652	1.99%	▲268,112	+20.97%	$95.38Mn
12	DIMENSIONAL FUND ADVISORS LP	0000354204	1,491,040	1.92%	▲112,037	+8.12%	$91.94Mn
13	Hood River Capital Management LLC	0001578177	1,456,205	1.87%	▲44,708	+3.17%	$89.80Mn
14	JB CAPITAL PARTNERS LP	0001138532	1,424,061	1.83%	0	0.00%	$87.82Mn
15	BAMCO INC /NY/	0001017918	1,260,992	1.62%	▲450,926	+55.67%	$77.77Mn
16	Van Berkom & Associates Inc.	0001524408	1,193,068	1.53%	▼864,104	-42.00%	$73.58K
17	Goldman Sachs Group Inc	0000886982	1,178,372	1.51%	▼11,903	-1.00%	$72.67Mn
18	Alyeska Investment Group, L.P.	0001453072	1,171,721	1.51%	▼137,587	-10.51%	$72.26Mn
19	Defiance ETFs, LLC	0001732541	1,143,622	1.47%	▲598,148	+109.66%	$75.04Mn
19	Penserra Capital Management LLC	0001593324	1,143,622	1.47%	▲598,148	+109.66%	$70.53K

Showing 1 to 20 of 329 holders