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Ionis Pharmaceuticals shares owned by Bamco

Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Bamco from 13F filings

Historical chart of Bamco investment in Ionis Pharmaceuticals

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All positions including Ionis Pharmaceuticals held by Bamco consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Ionis Pharmaceuticals by Bamco

Quarter filed Position value Share count Share price at filing
2025-09-30 $1.6M 25k 65.42

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Top funds holding Ionis Pharmaceuticals

FMR
Vanguard Group
T. Rowe Price Investment Management
Capital World Investors
BlackRock
Wellington Management Company
Lombard Odier Asset Management
Bellevue Group
State Street Corporation
Deep Track Capital
Geode Capital Management
Tweedy, Browne Company
Citadel Advisors
Two Sigma Advisers
Deerfield Management Company

View all funds holding Ionis Pharmaceuticals