IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025
Shares 33,788 Value ($000) $2,673 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 34,371 Value ($000) $2,249 Avg Close $48.82 Range $39.72 - $65.55
Q2 2025
Shares 37,891 Value ($000) $1,497 Avg Close $32.73 Range $23.95 - $40.61
Q1 2025
Shares 38,381 Value ($000) $1,158 Avg Close $32.75 Range $29.61 - $35.48
Q4 2024
Shares 39,882 Value ($000) $1,394 Avg Close $37.38 Range $33.33 - $40.58
Q3 2024
Shares 46,651 Value ($000) $1,869 Avg Close $46.53 Range $39.48 - $52.34
Q2 2024
Shares 25,262 Value ($000) $1,204 Avg Close $41.01 Range $35.95 - $47.86
Q1 2024
Shares 27,838 Value ($000) $1,207 Avg Close $47.67 Range $41.60 - $54.44
Q4 2023
Shares 16,628 Value ($000) $841 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 16,344 Value ($000) $741 Avg Close $41.26 Range $38.26 - $47.72
Q2 2023
Shares 16,384 Value ($000) $672 Avg Close $38.43 Range $34.32 - $43.55
Q1 2023
Shares 14,644 Value ($000) $523 Avg Close $37.55 Range $32.69 - $41.73
Q4 2022
Shares 14,644 Value ($000) $553 Avg Close $42.06 Range $36.69 - $47.74
Q3 2022
Shares 14,844 Value ($000) $657 Avg Close $42.14 Range $35.95 - $48.82
Q2 2022
Shares 14,607 Value ($000) $541 Avg Close $37.71 Range $31.46 - $44.42
Q1 2022
Shares 14,728 Value ($000) $546 Avg Close $32.73 Range $28.25 - $37.15
Q4 2021
Shares 14,464 Value ($000) $440 Avg Close $31.48 Range $25.04 - $35.80
Q3 2021
Shares 14,514 Value ($000) $487 Avg Close $37.68 Range $33.52 - $40.99
Q2 2021
Shares 10,288 Value ($000) $410 Avg Close $39.17 Range $34.43 - $47.87
Q1 2021
Shares 11,164 Value ($000) $502 Avg Close $55.77 Range $41.42 - $64.37
Q4 2020
Shares 15,164 Value ($000) $857 Avg Close $49.83 Range $45.09 - $60.95
Q3 2020
Shares 15,119 Value ($000) $717 Avg Close $55.55 Range $47.19 - $63.49
Q2 2020
Shares 15,618 Value ($000) $921 Avg Close $55.63 Range $45.12 - $61.24
Q1 2020
Shares 16,111 Value ($000) $762 Avg Close $55.74 Range $39.32 - $64.34
Q4 2019
Shares 16,320 Value ($000) $986 Avg Close $59.58 Range $53.34 - $66.22
Q3 2019
Shares 14,578 Value ($000) $873 Avg Close $65.17 Range $58.48 - $73.09
Q2 2019
Shares 14,176 Value ($000) $911 Avg Close $70.69 Range $61.91 - $86.58
Q1 2019
Shares 14,669 Value ($000) $1,191 Avg Close $64.51 Range $52.45 - $81.59
Q4 2018
Shares 14,490 Value ($000) $783 Avg Close $51.00 Range $43.27 - $59.81
Q3 2018
Shares 14,476 Value ($000) $747 Avg Close $46.98 Range $41.05 - $54.85
Q2 2018
Shares 14,476 Value ($000) $603 Avg Close $44.30 Range $39.07 - $51.00
Q1 2018
Shares 5,876 Value ($000) $259 Avg Close $50.80 Range $43.38 - $56.47
Q4 2017
Shares 6,354 Value ($000) $320 Avg Close $54.84 Range $50.02 - $65.51
Q3 2017
Shares 5,454 Value ($000) $277 Avg Close $52.38 Range $43.75 - $60.01
Q2 2017
Shares 5,381 Value ($000) $274 Avg Close $46.57 Range $37.26 - $55.73
Q1 2017
Shares 5,381 Value ($000) $258 Avg Close $44.91 Range $37.29 - $56.91
Q4 2016
Shares 5,381 Value ($000) $257 Avg Close $39.57 Range $24.58 - $57.00
Q1 2016
Shares 5,417 Value ($000) $219 Avg Close $40.62 Range $30.93 - $62.68
Q4 2015
Shares 5,712 Value ($000) $353 Avg Close $53.96 Range $38.30 - $65.34