IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1,791,841 Value ($000) $141,753 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 566,798 Value ($000) $37,080 Avg Close $48.82 Range $39.72 - $65.55
Q1 2025
Shares 357,915 Value ($000) $10,798 Avg Close $32.75 Range $29.61 - $35.48
Q4 2024
Shares 357,915 Value ($000) $12,513 Avg Close $37.38 Range $33.33 - $40.58
Q3 2024
Shares 223,470 Value ($000) $8,952 Avg Close $46.53 Range $39.48 - $52.34
Q4 2016
Shares 57,140 Value ($000) $2,733 Avg Close $39.57 Range $24.58 - $57.00
Q3 2016
Shares 57,140 Value ($000) $2,094 Avg Close $31.29 Range $23.26 - $40.82
Q2 2016
Shares 57,140 Value ($000) $1,331 Avg Close $32.26 Range $19.59 - $46.75
Q1 2016
Shares 57,140 Value ($000) $2,314 Avg Close $40.62 Range $30.93 - $62.68
Q4 2015
Shares 57,140 Value ($000) $3,539 Avg Close $53.96 Range $38.30 - $65.34