RadNet, Inc.

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RDNT·750491102·US·Common Stock·Healthcare - Diagnostics & Research-13D/G

RDNT (RadNet, Inc.) is held by 168 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($675.8M), RTW INVESTMENTS, LP ($298.9M), VANGUARD PORTFOLIO MANAGEMENT LLC ($250.8M). Net institutional sentiment: Mixed.

168

Holders

(17 Elite)

$3.8B

Total Value

49% (174)

Consensus

86 buying - 88 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)27

Insider (Form 4)56

Activist (13D/13G)44

Congressional (STOCK Act)46

Holder Quality

49

★★★★★

Elite

61

★★★★

Strong

57

★★★

Solid

15

★★

Below

14

★

Weak

Held by 168 funds

17 elite

Who's Trading

Source dates: Price Aug 17, 2026 · Insiders Jun 22, 2026 · Activists Aug 14, 2026 · Congress none

ActivistRTW Investments, LP6.2%Aug 14, 2026

InsiderSLSWARTZ DAVID LSell $145KJun 18, 2026

InsiderFMForthuber Stephen MSell $1.4MJun 15, 2026

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Top Holders

Top Holders (168)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	11M(+9.2%)	$675.8M	0.0%	+8.47%	35
RTW INVESTMENTS, LP	Increased	4.8M(+13.1%)	$298.9M	2.6%	+31.37%	60
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	4.1M(+4.3%)	$250.8M	0.0%	+5.27%	32
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	3.2M(+2.6%)	$196.9M	0.0%	+5.02%	31
STATE STREET CORP	Increased	2.8M(+7.2%)	$175.2M	0.0%	+81.93%	33
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.9M(+7.8%)	$114.6M	0.0%	+134.52%	32
Invesco Ltd.	Increased	1.6M(+0.5%)	$101.2M	0.0%	+73.85%	30
AMERICAN CENTURY COMPANIES INC	Increased	1.6M(+79.4%)	$99.8M	0.0%	+42.95%	46
Clearbridge Investments, LLC	Increased	1.5M(+21.0%)	$95.4M	0.1%	+31.99%	36
DIMENSIONAL FUND ADVISORS LP	Increased	1.5M(+8.1%)	$91.9M	0.0%	+157.39%	32
Hood River Capital Management LLC	Increased	1.5M(+3.2%)	$89.8M	0.7%	+79.06%	43
BAMCO INC /NY/	Increased	1.3M(+55.7%)	$77.8M	0.1%	+39.26%	50
GOLDMAN SACHS GROUP INC	Decreased	1.2M(-1.0%)	$72.7M	0.0%	+8.91%	0
AIAlyeska Investment Group, L.P.	Decreased	1.2M(-10.5%)	$72.3M	0.2%	+29.40%	0
PRINCIPAL FINANCIAL GROUP INC	Decreased	1.1M(-5.3%)	$64.9M	0.0%	+124.51%	0
WESTFIELD CAPITAL MANAGEMENT CO LP	Increased	975,542(+83.4%)	$60.2M	0.2%	+10.44%	54
MORGAN STANLEY	Increased	931,114(+9.5%)	$57.4M	0.0%	+23.87%	32
NORTHERN TRUST CORP	Increased	813,056(+8.9%)	$50.1M	0.0%	+144.82%	32
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	792,282(+3.2%)	$48.9M	0.0%	+135.55%	30
Rockefeller Capital Management L.P.	Increased	757,990(+7.8%)	$46.7M	0.1%	+37.90%	32

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer