IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025
Shares 1,541,841 Value ($000) $121,975 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 1,519,951 Value ($000) $99,435 Avg Close $48.82 Range $39.72 - $65.55
Q2 2025
Shares 1,487,818 Value ($000) $58,784 Avg Close $32.73 Range $23.95 - $40.61
Q1 2025
Shares 1,443,629 Value ($000) $43,554 Avg Close $32.75 Range $29.61 - $35.48
Q4 2024
Shares 1,481,440 Value ($000) $51,791 Avg Close $37.38 Range $33.33 - $40.58
Q3 2024
Shares 1,443,020 Value ($000) $57,807 Avg Close $46.53 Range $39.48 - $52.34
Q2 2024
Shares 1,328,106 Value ($000) $63,298 Avg Close $41.01 Range $35.95 - $47.86
Q1 2024
Shares 1,301,368 Value ($000) $56,414 Avg Close $47.67 Range $41.60 - $54.44
Q4 2023
Shares 1,275,319 Value ($000) $64,518 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 1,242,307 Value ($000) $56,351 Avg Close $41.26 Range $38.26 - $47.72
Q2 2023
Shares 1,199,220 Value ($000) $49,204 Avg Close $38.43 Range $34.32 - $43.55
Q1 2023
Shares 1,186,393 Value ($000) $42,402 Avg Close $37.55 Range $32.69 - $41.73
Q4 2022
Shares 1,256,268 Value ($000) $47,449 Avg Close $42.06 Range $36.69 - $47.74
Q3 2022
Shares 1,202,346 Value ($000) $53,181 Avg Close $42.14 Range $35.95 - $48.82
Q2 2022
Shares 1,154,025 Value ($000) $42,722 Avg Close $37.71 Range $31.46 - $44.42
Q1 2022
Shares 1,137,827 Value ($000) $42,145 Avg Close $32.73 Range $28.25 - $37.15
Q4 2021
Shares 1,093,439 Value ($000) $33,274 Avg Close $31.48 Range $25.04 - $35.80
Q3 2021
Shares 1,069,732 Value ($000) $35,879 Avg Close $37.68 Range $33.52 - $40.99
Q2 2021
Shares 713,960 Value ($000) $28,480 Avg Close $39.17 Range $34.43 - $47.87
Q1 2021
Shares 696,496 Value ($000) $31,315 Avg Close $55.77 Range $41.42 - $64.37
Q4 2020
Shares 691,409 Value ($000) $39,093 Avg Close $49.83 Range $45.09 - $60.95
Q3 2020
Shares 681,204 Value ($000) $32,324 Avg Close $55.55 Range $47.19 - $63.49
Q2 2020
Shares 616,469 Value ($000) $36,348 Avg Close $55.63 Range $45.12 - $61.24
Q1 2020
Shares 610,699 Value ($000) $28,874 Avg Close $55.74 Range $39.32 - $64.34
Q4 2019
Shares 597,225 Value ($000) $36,079 Avg Close $59.58 Range $53.34 - $66.22
Q3 2019
Shares 588,099 Value ($000) $35,234 Avg Close $65.17 Range $58.48 - $73.09
Q2 2019
Shares 616,513 Value ($000) $39,624 Avg Close $70.69 Range $61.91 - $86.58
Q1 2019
Shares 582,516 Value ($000) $47,283 Avg Close $64.51 Range $52.45 - $81.59
Q4 2018
Shares 544,837 Value ($000) $29,454 Avg Close $51.00 Range $43.27 - $59.81
Q3 2018
Shares 525,755 Value ($000) $27,119 Avg Close $46.98 Range $41.05 - $54.85
Q2 2018
Shares 454,229 Value ($000) $18,928 Avg Close $44.30 Range $39.07 - $51.00
Q1 2018
Shares 426,874 Value ($000) $18,817 Avg Close $50.80 Range $43.38 - $56.47
Q4 2017
Shares 401,980 Value ($000) $20,220 Avg Close $54.84 Range $50.02 - $65.51
Q3 2017
Shares 381,734 Value ($000) $19,354 Avg Close $52.38 Range $43.75 - $60.01
Q2 2017
Shares 367,550 Value ($000) $18,698 Avg Close $46.57 Range $37.26 - $55.73
Q1 2017
Shares 312,963 Value ($000) $12,582 Avg Close $44.91 Range $37.29 - $56.91
Q4 2016
Shares 309,275 Value ($000) $14,793 Avg Close $39.57 Range $24.58 - $57.00
Q3 2016
Shares 270,130 Value ($000) $9,898 Avg Close $31.29 Range $23.26 - $40.82
Q2 2016
Shares 207,936 Value ($000) $4,843 Avg Close $32.26 Range $19.59 - $46.75
Q1 2016
Shares 260,865 Value ($000) $10,566 Avg Close $40.62 Range $30.93 - $62.68
Q4 2015
Shares 255,970 Value ($000) $15,853 Avg Close $53.96 Range $38.30 - $65.34