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Of the 12 tracked institutions holding RDNT, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +6.3pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, RDNT (RADNET INC) is held with a combined value of $1.59B across 26,333,983 shares. The largest holder is BlackRock, Inc. with a position worth $560.90M. CITADEL ADVISORS LLC opened a new position in the most recent quarter. 7 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$1.59B
Total Shares Held
26,333,983
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $560.90M | 0.01% | +0.1% |
| 2 | VANGUARD GROUP INC | $532.49M | 0.01% | -0.3% |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | $232.22M | 0.03% | +53.9% |
| 4 | STATE STREET CORP | $148.20M | 0.01% | +2.8% |
| 5 | Point72 Asset Management, L.P. | $47.81M | 0.08% | +232.0% |
| 6 | SOROS FUND MANAGEMENT LLC | $24.50M | 0.27% | -23.7% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $22.12M | 0.00% | -2.5% |
| 8 | FMR LLC | $12.43M | 0.00% | +0.2% |
| 9 | MILLENNIUM MANAGEMENT LLC | $2.60M | 0.00% | -87.8% |
| 10 | Magnetar Financial LLC | $1.72M | 0.02% | +178.1% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of RDNT with a position worth $560.90M, representing 0.01% of their portfolio. In total, 12 institutional investors hold RDNT with a combined value of $1.59B.
In the most recent quarter, 1 fund opened a new position in RDNT. Additionally, 7 increased their holdings and 4 reduced their positions.
Institutional investors hold $1.59B worth of RDNT stock across 12 positions. The largest institutional holder is BlackRock, Inc. with $560.90M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For RDNT, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their RDNT positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$61.51
2026-07-27
YTD
-13.3%
30% of 52-week range
