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IONSIONIS PHARMACEUTICALS INC

NASDAQ · Pharmaceutical Preparations
Last close $44.65 · 2026-09-30
ABOUT
ExchangeNASDAQ
SectorHealthcare
IndustryPharmaceutical Preparations
Market cap$7.42B
RECENT INSIDER TRADES
  • 2026-09-02 · Monia Brett P (Chief Executive Officer) · OTHER
  • 2026-09-02 · O'NEIL PATRICK R. (EVP CLO & General Counsel) · OTHER
  • 2026-09-02 · Birchler Brian (EVP, Corp and Development Ops) · OTHER
  • 2026-09-02 · BENNETT C FRANK (EVP, Chief Scientific Officer) · OTHER
  • 2026-07-31 · Hayden Michael R (Director) · BUY
INSTITUTIONAL OWNERSHIP
Institutional holders550
Shares held217,485,230
Value$15.63B
Percent of shares outstanding130.87%
As of quarter end2026-06-30
RECENT NEWS
  • Investors Dumped Ionis Pharmaceuticals Stock -- But Wall Street Hasn't Budged From Its Bullish Outlook
  • Ionis Pharmaceuticals, Inc. (IONS) Presents at Morgan Stanley 24th Annual Global Healthcare Conference Transcript
  • IONIS PHARMACEUTICALS INC · 8-K (7.01,8.01,9.01)
  • IONIS PHARMACEUTICALS INC · 8-K (7.01,8.01,9.01)
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