IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

Capital World Investors's Holding History (CIK: 0001422849)

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

Q4 2025
Shares 17,961,299 Value ($000) $1,420,918 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 12,722,728 Value ($000) $832,321 Avg Close $48.82 Range $39.72 - $65.55
Q2 2025
Shares 12,540,188 Value ($000) $495,463 Avg Close $32.73 Range $23.95 - $40.61
Q1 2025
Shares 12,361,994 Value ($000) $372,961 Avg Close $32.75 Range $29.61 - $35.48
Q4 2024
Shares 11,465,413 Value ($000) $400,831 Avg Close $37.38 Range $33.33 - $40.58
Q3 2024
Shares 7,828,372 Value ($000) $313,605 Avg Close $46.53 Range $39.48 - $52.34
Q2 2024
Shares 2,252,089 Value ($000) $107,335 Avg Close $41.01 Range $35.95 - $47.86
Q1 2024
Shares 839,463 Value ($000) $36,391 Avg Close $47.67 Range $41.60 - $54.44
Q4 2023
Shares 839,463 Value ($000) $42,468 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 839,463 Value ($000) $38,078 Avg Close $41.26 Range $38.26 - $47.72
Q2 2023
Shares 839,463 Value ($000) $34,443 Avg Close $38.43 Range $34.32 - $43.55