RADNET INC (RDNT) Stock Institutional Trading Activity


RADNET INC (RDNT) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Mairs & Power Growth Fund, First Eagle U.S. Value, Sequoia Financial Advisors, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2014Renaissance Technologies LLCSell-195,600337,200$2,880
Q3 2014Renaissance Technologies LLCSell-266,100532,800$3,527
Q2 2014Renaissance Technologies LLCBuy747,400798,900$5,297
Q4 2013Renaissance Technologies LLCBuy36,43351,500$86
Q3 2013Renaissance Technologies LLCSell-5,93315,067$36
Q2 2013Renaissance Technologies LLCBuy21,00021,000$56

Frequently asked questions about RDNT activity

  • Which institutional owners are buying RDNT?

    Institutional owners buying RDNT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in RDNT activity?

    "Buy" means an investor increased their reported position in RDNT compared to the prior reporting period. This reflects growing exposure to RADNET INC (RDNT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in RDNT increasing?

    Institutional interest in RDNT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.