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Perceptive Advisors LLC

SEC CIK
0001224962
Latest filing
Aug 14, 2026

IONS holding history

Ionis Pharmaceuticals Inc in every 13F filed by Perceptive Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IONS overviewAll 13F holders of IONSFull Q2 2026 holdings

Shares (Q2 2026)
566,000
Value
$44.9M
% of portfolio
0.7%
Quarters held
2
Since Q1 2026
Holdings of IONS by Perceptive Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026566,000$44.9M0.7%+62,000+12.3%AddedHolders
Q1 2026504,000$37.8M0.7%+504,000NewHolders