IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q4 2025
Shares 812,747 Value ($000) $64,296 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 862,593 Value ($000) $56,431 Avg Close $48.82 Range $39.72 - $65.55
Q2 2025
Shares 519,184 Value ($000) $20,513 Avg Close $32.73 Range $23.95 - $40.61
Q1 2024
Shares 5,580 Value ($000) $242 Avg Close $47.67 Range $41.60 - $54.44
Q4 2023
Shares 5,592 Value ($000) $283 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 5,769 Value ($000) $262 Avg Close $41.26 Range $38.26 - $47.72
Q2 2023
Shares 26,529 Value ($000) $1,088 Avg Close $38.43 Range $34.32 - $43.55
Q1 2023
Shares 27,153 Value ($000) $970 Avg Close $37.55 Range $32.69 - $41.73
Q1 2016
Shares 335,242 Value ($000) $13,578 Avg Close $40.62 Range $30.93 - $62.68
Q4 2015
Shares 331,053 Value ($000) $20,502 Avg Close $53.96 Range $38.30 - $65.34