Rtw Investments 13F: Adds $20M to RadNet (RDNT) Stake

RTW Investments raised its RDNT holdings by 346,500 shares, reflecting a strong position.

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Rtw Investments added 346,500 shares to its stake in RadNet, Inc. ($RDNT), an 8.80% increase, according to a 13F filing with the SEC dated May 15, 2026. It reported 4,285,000 shares worth $243 million at the end of the quarter.

Since the filing, $RDNT is up 3.8% after 1 week, up 8.9% after 1 month and up 31.3% to date (from the $52.39 close on May 15, 2026).

Find the original: Rtw Investments 13F filings on SEC EDGAR

RDNT RadNet, Inc.
$68.80 -3.03% year to date
Daily close · Oct 16, 2026

Key Points

  • RTW Investments increased its RDNT stake by 346,500 shares, bringing its total to 4,285,000 shares valued at $243 million as of the latest 13F filing.
  • Shares of RDNT traded at $56.71 with a 52-week range between $45.00 and $70.00, and a market cap of $3.4 billion.
  • Insider buying activity included Howard Berger purchasing 25,992 shares on May 5, 2026, while analysts from Barclays maintained a 'buy' rating with a $65 target.

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RTW Investments boosted its holdings in RDNT, adding 346,500 shares as of its latest filing. This increased its total position by 8.8% to 4,285,000 shares, valued at approximately $243 million. The data reflects holdings reported for the quarter ending March 31, 2026.

What Changed in RTW Investments's RDNT Position

RTW Investments expanded its RDNT stake from 3,938,500 shares to 4,285,000 shares. This change represents an increase of about 8.8%, adding significant value to its portfolio with a total position valued at $243 million.

Other Institutional Activity in RDNT

Other major institutional investors also adjusted their positions in RDNT. BlackRock, Inc. added 14,714 shares, bringing its total to 10,035,734 shares worth around $561 million. Price T Rowe Associates significantly increased its stake by 1,455,781 shares to 4,154,863 shares, valued at approximately $232 million. Vanguard Portfolio Management LLC established a new position with 3,899,127 shares valued at $218 million. Meanwhile, Beck Mack & Oliver LLC reduced its holdings by 65,259 shares, now owning 3,166,192 shares valued at $177 million.

RadNet, Inc. Stock Down 25.4%

Shares of RDNT traded around $56.71. The company has a market cap of approximately $3.4 billion. RDNT's stock has moved between a 52-week low of $45.00 and a high of $70.00. It has a 50-day moving average of $58.00 and a 200-day moving average of $60.00, reflecting its recent trading performance.

Insider Buying and Selling at RadNet, Inc.

Insider activity at RDNT included several notable transactions. On June 2, 2026, insiders such as David Swartz, Gregory Spurlock, Lawrence Levitt, and Laura Pastre Jacobs each purchased 2,946 shares. Earlier, on May 5, 2026, Howard Berger, the President and CEO, acquired 25,992 shares at an average price of $18.64.

Analysts Set New Price Targets

Analyst activity for RDNT has been active, with Barclays maintaining a 'buy' rating and setting a price target of $65 on May 20, 2026. Previously, Barclays had set targets of $70 and $86 in earlier reports. Keybanc initiated coverage with a 'buy' rating and a target of $92 in January 2026. The consensus among analysts remains positive, with a mean target price of $80 based on multiple opinions.

Bottom Line

RTW Investments' increased stake in RDNT signifies continued confidence in the company's potential. The 13F filing provides a backward-looking view of RTW's investment strategy as of the end of March 2026. Investors often track such filings to gauge institutional sentiment, though it's important to note these positions may have changed since the filing date.

Source: Rtw Investments's 13F filing on $RDNT (May 15, 2026). 13F filings show holdings as of the end of the reporting quarter and may not reflect the fund's current position. Find the original filing: Rtw Investments 13F filings on SEC EDGAR. Written by software, not financial advice. How we make alerts

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