IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025
Shares 256,933 Value ($000) $20,326 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 958,829 Value ($000) $62,727 Avg Close $48.82 Range $39.72 - $65.55
Q2 2025
Shares 13,100 Value ($000) $518 Avg Close $32.73 Range $23.95 - $40.61
Q1 2025
Shares 9,102 Value ($000) $275 Avg Close $32.75 Range $29.61 - $35.48
Q4 2024
Shares 812,306 Value ($000) $28,398 Avg Close $37.38 Range $33.33 - $40.58
Q3 2024
Shares 1,920,464 Value ($000) $76,934 Avg Close $46.53 Range $39.48 - $52.34
Q2 2024
Shares 173,199 Value ($000) $8,255 Avg Close $41.01 Range $35.95 - $47.86
Q1 2024
Shares 15,443 Value ($000) $669 Avg Close $47.67 Range $41.60 - $54.44
Q4 2023
Shares 133,549 Value ($000) $6,756 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 68,127 Value ($000) $3,090 Avg Close $41.26 Range $38.26 - $47.72
Q2 2023
Shares 69,063 Value ($000) $2,834 Avg Close $38.43 Range $34.32 - $43.55
Q2 2021
Shares 176,820 Value ($000) $7,054 Avg Close $39.17 Range $34.43 - $47.87
Q4 2020
Shares 111,269 Value ($000) $6,291 Avg Close $49.83 Range $45.09 - $60.95
Q3 2020
Shares 56,862 Value ($000) $2,698 Avg Close $55.55 Range $47.19 - $63.49
Q4 2019
Shares 1,016 Value ($000) $61 Avg Close $59.58 Range $53.34 - $66.22
Q3 2019
Shares 561 Value ($000) $34 Avg Close $65.17 Range $58.48 - $73.09
Q1 2019
Shares 45 Value ($000) $4 Avg Close $64.51 Range $52.45 - $81.59
Q3 2018
Shares 8,939 Value ($000) $461 Avg Close $46.98 Range $41.05 - $54.85
Q4 2015
Shares 128,328 Value ($000) $7,947 Avg Close $53.96 Range $38.30 - $65.34