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Ionis Pharmaceuticals shares owned by Congress Asset Management

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

Historical chart of Congress Asset Management investment in Ionis Pharmaceuticals

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

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Quarterly reported holdings in Ionis Pharmaceuticals by Congress Asset Management

Quarter filed Position value Share count Share price at filing
2026-03-31 $296k 3.9k 75.09

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Top funds holding Ionis Pharmaceuticals

FMR
Capital World Investors
Vanguard Group
BlackRock
T. Rowe Price Investment Management
Wellington Management Company
Bellevue Group
State Street Corporation
Geode Capital Management
Two Sigma Advisers
Two Sigma Investments
Tweedy, Browne Company
Citadel Advisors
Deerfield Management Company
Baker Bros. Advisors

View all funds holding Ionis Pharmaceuticals