RADNET INC (RDNT) Institutional Ownership
RDNT is currently held by 3 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $19.02M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.
The largest disclosed holder is Mairs & Power Growth Fund, which reported ownership valued at approximately $7.44M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Mairs & Power Growth Fund's RDNT position is now estimated to be worth approximately $7.99M, representing an estimated gain of +7.37% since the filing period.
Major shareholders tracked on this page include Mairs & Power Growth Fund, Sequoia Financial Advisors, First Eagle U.S. Value, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.
This page tracks institutional ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward RADNET INC (RDNT).
Institutional Ownership Trend
| Portfolio quarter | Institutional holders | Total reported value | Total shares |
|---|---|---|---|
| Q1 2026 | 3 | $19,016,237 | 340,244 |
| Q4 2025 | 3 | $21,580,379 | 302,458 |
| Q3 2025 | 3 | $22,861,781 | 299,984 |
| Q2 2025 | 3 | $12,667,028 | 222,580 |
| Q1 2025 | 2 | $8,634,923 | 173,671 |
| Q4 2024 | 2 | $6,176,859 | 88,443 |
| Q3 2024 | 1 | $7,046,069 | 101,543 |
| Q2 2024 | 2 | $6,059,510 | 102,843 |
| Q1 2024 | 2 | $4,743,089 | 128,543 |
| Q4 2023 | 2 | $2,614,150 | 216,113 |
| Q3 2023 | 2 | $1,703,719 | 404,063 |
| Q2 2023 | 2 | $1,405,444 | 479,977 |
Related RDNT Institutional Insights:
- RDNT Institutional Ownership & Insiders Activity
- RDNT Institutional Ownership & 13F Activity
- RDNT Top Institutional Shareholders
- RDNT Institutional Buying Activity
- RDNT Institutional Selling Activity
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- RDNT Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings