Compounder

IONIS PHARMACEUTICALS INC.

Held by 1 superinvestor (IONS). Valuation data coming soon.

Educational data only — not investment advice. 13F positions are self-reported and can lag up to 45 days.

Price$74.50
TickerIONS
Holder count1
Total value held$170.9M
Largest holderTweedy, Browne
External
Superinvestors Holding This Security
InvestorValueSharesWeight
Tweedy, Browne$170.9M2,275,62513.57%

Stock valuation (intrinsic value / DCF) coming soon.

Sources·SEC EDGAR 13F as of 2026-05-06·Finnhub as of 2026-06-05