Stock Ownership/RDNT

RadNet Inc (RDNT): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in RDNT · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
15
13F filers
Aggregate Value
$291.5M
Across holders
Last Price
$74.69
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity9 increased6 reduced8 exited
Full exits: AXIOM INVESTORS LLC /DE, Verition Fund Management LLC, CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP, TUDOR INVESTMENT CORP ET AL, Squarepoint Ops LLC, Magnetar Financial LLC, SHAW D E & CO INC
Institutional Holders of RDNT
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund1.55M$95.4M32.7%0.1%Added+$16.5MQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund758K$46.7M16.0%0.1%Added+$11.7MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund492K$30.4M10.4%0.0%Reduced$-22.4MQ2 2026
Alpha Wave Global, LP
CIK 0001558858
Hedge Fund473K$29.1M10.0%0.5%Reduced$-349KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund466K$28.7M9.8%0.0%Added+$25.8MQ2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund217K$13.4M4.6%0.0%Reduced$-28.2MQ2 2026
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager195K$12.0M4.1%0.0%Added+$6.2MQ2 2026
SOROS FUND MANAGEMENT LLC
CIK 0001029160
Family Office117K$7.2M2.5%0.1%Reduced$-19.8MQ2 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund115K$7.1M2.4%0.0%Added—Q2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund80K$5.0M1.7%0.0%Reduced$-2.4MQ2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$95.4M· 32.7% of total· 0.1% port· 1.55M sh· +$16.5M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$46.7M· 16.0% of total· 0.1% port· 758K sh· +$11.7M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$30.4M· 10.4% of total· 0.0% port· 492K sh· $-22.4M QoQ· Q2 2026
Alpha Wave Global, LPReduced
Hedge Fund
$29.1M· 10.0% of total· 0.5% port· 473K sh· $-349K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$28.7M· 9.8% of total· 0.0% port· 466K sh· +$25.8M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$13.4M· 4.6% of total· 0.0% port· 217K sh· $-28.2M QoQ· Q2 2026
First Eagle Investment Management, LLCAdded
Institutional Manager
$12.0M· 4.1% of total· 0.0% port· 195K sh· +$6.2M QoQ· Q2 2026
SOROS FUND MANAGEMENT LLCReduced
Family Office
$7.2M· 2.5% of total· 0.1% port· 117K sh· $-19.8M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$7.1M· 2.4% of total· 0.0% port· 115K sh· — QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$5.0M· 1.7% of total· 0.0% port· 80K sh· $-2.4M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$4.9M· 1.7% of total· 0.0% port· 80K sh· — QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$4.7M· 1.6% of total· 0.0% port· 77K sh· +$1.2M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$3.7M· 1.3% of total· 0.0% port· 61K sh· +$1.6M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$3.1M· 1.0% of total· 0.0% port· 50K sh· +$3.1M QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$123· 0.0% of total· 0.0% port· 2 sh· $-12K QoQ· Q2 2026
1–10 of 15
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