RadNet RDNT Institutional Ownership

NASDAQ RDNT

$76.00 -1.78 (-2.29%)

At close: Sep 18, 2026 · 4:00 PM EDT

Institutions by Trading Activity

330 Institutions

Increased 175 53.0%

Unchanged 44 13.3%

Reduced 111 33.6%

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

330

filed 13F for Jun 2026

▼-8 vs prior quarter

Net Shares Added (QoQ)

+5.75Mn

accumulated since last quarter

Value of Holdings

$6.24Bn

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) showed up in the 13F filings of 330 institutional investors as of June 2026.

They owned 105.5% of outstanding stock in June 2026, up from 101.0% the prior quarter.
Their total shares held in RDNT increased 7.53% quarter over quarter, and separately, investors owning RadNet increased 0.61% from a year ago.
Of these 330 holders, 175 added to their stakes in RadNet, 111 trimmed positions, and 44 made no changes.
Combined, these investors held 82.07Mn shares in RDNT for June 2026, up by 5.75Mn shares quarter on quarter, and up 10.57Mn shares year over year.
BlackRock, Inc. holds the largest position in RDNT at 10.96Mn shares as of June 30, 2026, or 14.09% of shares outstanding.
Top purchasers of RDNT stock for the quarter ending June 2026 included BlackRock, Inc. (922.07K), Sixth Street Partners Management Company, L.P. (792.28K), AMERICAN CENTURY COMPANIES INC (716.23K), Penserra Capital Management LLC (598.15K), Defiance ETFs, LLC (598.15K).
Top sellers of RDNT stock for the quarter ending June 2026 included Van Berkom & Associates Inc. (864.1K), Franklin Templeton Inc (452.98K), Freestone Grove Partners LP (365.19K), Point72 Asset Management, L.P. (362.94K), SOROS FUND MANAGEMENT LLC (321.86K).
Per Business Quant, the top 10 investors in RDNT for the quarter ending June 2026 include BlackRock, Inc. (10.96Mn), RTW INVESTMENTS, LP (4.85Mn), PRICE T ROWE ASSOCIATES INC /MD/ (4.5Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.07Mn), VANGUARD CAPITAL MANAGEMENT LLC (3.19Mn), BECK MACK & OLIVER LLC (3.16Mn), State Street Corp (2.84Mn), GEODE CAPITAL MANAGEMENT, LLC (1.86Mn), Invesco Ltd. (1.64Mn), AMERICAN CENTURY COMPANIES INC (1.62Mn).

Form 13F Holdings

330 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 330 holders