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Ionis Pharmaceuticals shares owned by Yorktown Management & Research Company

Quarter-by-quarter ownership of Ionis Pharmaceuticals (IONS) shares owned by Yorktown Management & Research Company from 13F filings

Historical chart of Yorktown Management & Research Company investment in Ionis Pharmaceuticals

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All positions including Ionis Pharmaceuticals held by Yorktown Management & Research Company consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Ionis Pharmaceuticals by Yorktown Management & Research Company

Quarter filed Position value Share count Share price at filing
2026-06-30 $349k 4.4k 79.29

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Top funds holding Ionis Pharmaceuticals

FMR
Capital World Investors
BlackRock
Vanguard Portfolio Management
Wellington Management Company
Vanguard Capital Management
Two Sigma Investments
Royal Bank of Canada
State Street Corporation
Geode Capital Management
T. Rowe Price Associates
Jpmorgan Chase & Co
Artisan Partners Limited Partnership
Tweedy, Browne Company
Deep Track Capital

View all funds holding Ionis Pharmaceuticals