IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

GRANDFIELD & DODD, LLC's Holding History (CIK: 0001308016)

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

Q4 2025
Shares 37,821 Value ($000) $2,992 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 37,675 Value ($000) $2,465 Avg Close $48.82 Range $39.72 - $65.55
Q2 2025
Shares 37,230 Value ($000) $1,471 Avg Close $32.73 Range $23.95 - $40.61
Q1 2025
Shares 37,761 Value ($000) $1,139 Avg Close $32.75 Range $29.61 - $35.48
Q4 2024
Shares 35,887 Value ($000) $1,255 Avg Close $37.38 Range $33.33 - $40.58
Q3 2024
Shares 34,813 Value ($000) $1,395 Avg Close $46.53 Range $39.48 - $52.34
Q2 2024
Shares 34,053 Value ($000) $1,623 Avg Close $41.01 Range $35.95 - $47.86
Q1 2024
Shares 33,774 Value ($000) $1,464 Avg Close $47.67 Range $41.60 - $54.44
Q4 2023
Shares 33,104 Value ($000) $1,675 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 32,862 Value ($000) $1,491 Avg Close $41.26 Range $38.26 - $47.72
Q2 2023
Shares 32,679 Value ($000) $1,341 Avg Close $38.43 Range $34.32 - $43.55
Q1 2023
Shares 32,284 Value ($000) $1,154 Avg Close $37.55 Range $32.69 - $41.73
Q4 2022
Shares 31,474 Value ($000) $1,189 Avg Close $42.06 Range $36.69 - $47.74
Q3 2022
Shares 29,071 Value ($000) $1,290 Avg Close $42.14 Range $35.95 - $48.82
Q2 2022
Shares 28,276 Value ($000) $1,050 Avg Close $37.71 Range $31.46 - $44.42
Q1 2022
Shares 28,001 Value ($000) $1,040 Avg Close $32.73 Range $28.25 - $37.15
Q4 2021
Shares 26,771 Value ($000) $810 Avg Close $31.48 Range $25.04 - $35.80
Q3 2021
Shares 21,691 Value ($000) $730 Avg Close $37.68 Range $33.52 - $40.99
Q2 2021
Shares 21,053 Value ($000) $840 Avg Close $39.17 Range $34.43 - $47.87
Q1 2021
Shares 20,353 Value ($000) $920 Avg Close $55.77 Range $41.42 - $64.37
Q4 2020
Shares 19,642 Value ($000) $1,110 Avg Close $49.83 Range $45.09 - $60.95
Q3 2020
Shares 19,037 Value ($000) $900 Avg Close $55.55 Range $47.19 - $63.49
Q2 2020
Shares 18,701 Value ($000) $1,100 Avg Close $55.63 Range $45.12 - $61.24
Q1 2020
Shares 17,336 Value ($000) $820 Avg Close $55.74 Range $39.32 - $64.34
Q4 2019
Shares 16,676 Value ($000) $1,007 Avg Close $59.58 Range $53.34 - $66.22
Q3 2019
Shares 15,821 Value ($000) $948 Avg Close $65.17 Range $58.48 - $73.09
Q2 2019
Shares 14,651 Value ($000) $942 Avg Close $70.69 Range $61.91 - $86.58
Q1 2019
Shares 13,843 Value ($000) $1,124 Avg Close $64.51 Range $52.45 - $81.59
Q4 2018
Shares 13,744 Value ($000) $743 Avg Close $51.00 Range $43.27 - $59.81
Q3 2018
Shares 13,579 Value ($000) $700 Avg Close $46.98 Range $41.05 - $54.85
Q2 2018
Shares 13,469 Value ($000) $561 Avg Close $44.30 Range $39.07 - $51.00
Q1 2018
Shares 13,389 Value ($000) $590 Avg Close $50.80 Range $43.38 - $56.47
Q4 2017
Shares 13,669 Value ($000) $688 Avg Close $54.84 Range $50.02 - $65.51
Q3 2017
Shares 13,379 Value ($000) $678 Avg Close $52.38 Range $43.75 - $60.01
Q2 2017
Shares 12,809 Value ($000) $652 Avg Close $46.57 Range $37.26 - $55.73
Q1 2017
Shares 12,119 Value ($000) $487 Avg Close $44.91 Range $37.29 - $56.91
Q4 2016
Shares 11,984 Value ($000) $573 Avg Close $39.57 Range $24.58 - $57.00
Q3 2016
Shares 10,404 Value ($000) $381 Avg Close $31.29 Range $23.26 - $40.82
Q2 2016
Shares 11,184 Value ($000) $260 Avg Close $32.26 Range $19.59 - $46.75
Q1 2016
Shares 8,610 Value ($000) $349 Avg Close $40.62 Range $30.93 - $62.68
Q4 2015
Shares 5,375 Value ($000) $333 Avg Close $53.96 Range $38.30 - $65.34