RADNET INC (RDNT): Institutional Ownership
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
$86.4M
Across holders
Last Price
$60.74
2026-06-26
Sector
Health Care
GICS
Holder activity6 new5 added4 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 477K | $34.0M | 39.3% | 0.1% | New | — | Q4 2025 |
| SOROS FUND MANAGEMENT LLC CIK 0001029160 | Family Office | 438K | $24.5M | 28.4% | 0.3% | Reduced | $-7.6M | Q1 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 120K | $6.7M | 7.8% | 0.0% | New | — | Q1 2026 |
| First Eagle Investment Management, LLC CIK 0001325447 | Institutional Manager | 94K | $5.3M | 6.1% | 0.0% | Added | +$56K | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 58K | $3.3M | 3.8% | 0.0% | New | — | Q2 2025 |
| Man Group plc CIK 0001637460 | Hedge Fund | 57K | $3.2M | 3.7% | 0.0% | New | — | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 56K | $3.1M | 3.6% | 0.0% | Added | +$1.4M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 34K | $1.9M | 2.2% | 0.0% | Reduced | $-8.9M | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 24K | $1.7M | 2.0% | 0.0% | New | — | Q4 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 24K | $1.3M | 1.5% | 0.0% | Added | +$507K | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 9K | $491K | 0.6% | 0.0% | Added | +$172K | Q1 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 25K | $438K | 0.5% | 0.0% | New | — | Q2 2022 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 5K | $271K | 0.3% | 0.0% | Reduced | $-1.4M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 3K | $194K | 0.2% | 0.0% | Reduced | $-147K | Q1 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 9 | $503 | 0.0% | 0.0% | Added | +$391 | Q1 2026 |
New
Hedge Fund
$34.0M· 39.3% of total· 0.1% port· 477K sh· — QoQ· Q4 2025
Reduced
Family Office
$24.5M· 28.4% of total· 0.3% port· 438K sh· $-7.6M QoQ· Q1 2026
New
Hedge Fund
$6.7M· 7.8% of total· 0.0% port· 120K sh· — QoQ· Q1 2026
Added
Institutional Manager
$5.3M· 6.1% of total· 0.0% port· 94K sh· +$56K QoQ· Q1 2026
New
Hedge Fund
$3.3M· 3.8% of total· 0.0% port· 58K sh· — QoQ· Q2 2025
New
Hedge Fund
$3.2M· 3.7% of total· 0.0% port· 57K sh· — QoQ· Q1 2026
Added
Hedge Fund
$3.1M· 3.6% of total· 0.0% port· 56K sh· +$1.4M QoQ· Q1 2026
Reduced
Hedge Fund
$1.9M· 2.2% of total· 0.0% port· 34K sh· $-8.9M QoQ· Q1 2026
New
Hedge Fund
$1.7M· 2.0% of total· 0.0% port· 24K sh· — QoQ· Q4 2025
Added
Hedge Fund
$1.3M· 1.5% of total· 0.0% port· 24K sh· +$507K QoQ· Q1 2026
Added
Hedge Fund
$491K· 0.6% of total· 0.0% port· 9K sh· +$172K QoQ· Q1 2026
New
Hedge Fund
$438K· 0.5% of total· 0.0% port· 25K sh· — QoQ· Q2 2022
Reduced
Hedge Fund
$271K· 0.3% of total· 0.0% port· 5K sh· $-1.4M QoQ· Q1 2026
Reduced
Hedge Fund
$194K· 0.2% of total· 0.0% port· 3K sh· $-147K QoQ· Q1 2026
Added
Hedge Fund
$503· 0.0% of total· 0.0% port· 9 sh· +$391 QoQ· Q1 2026