IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

T. Rowe Price Investment Management, Inc.'s Holding History (CIK: 0001897612)

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

Q4 2025
Shares 5,789,863 Value ($000) $458 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 13,156,929 Value ($000) $861 Avg Close $48.82 Range $39.72 - $65.55
Q2 2025
Shares 16,048,721 Value ($000) $634 Avg Close $32.73 Range $23.95 - $40.61
Q1 2025
Shares 16,175,533 Value ($000) $488 Avg Close $32.75 Range $29.61 - $35.48
Q4 2024
Shares 14,169,199 Value ($000) $495 Avg Close $37.38 Range $33.33 - $40.58
Q3 2024
Shares 14,168,116 Value ($000) $568 Avg Close $46.53 Range $39.48 - $52.34
Q2 2024
Shares 12,639,684 Value ($000) $602 Avg Close $41.01 Range $35.95 - $47.86
Q1 2024
Shares 13,317,112 Value ($000) $577 Avg Close $47.67 Range $41.60 - $54.44
Q4 2023
Shares 13,201,453 Value ($000) $668 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 13,123,055 Value ($000) $595 Avg Close $41.26 Range $38.26 - $47.72
Q2 2023
Shares 13,083,727 Value ($000) $537 Avg Close $38.43 Range $34.32 - $43.55
Q1 2023
Shares 13,064,047 Value ($000) $467 Avg Close $37.55 Range $32.69 - $41.73
Q4 2022
Shares 11,678,259 Value ($000) $441 Avg Close $42.06 Range $36.69 - $47.74
Q3 2022
Shares 11,156,695 Value ($000) $493,461 Avg Close $42.14 Range $35.95 - $48.82