IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

ARK Investment Management LLC's Holding History (CIK: 0001697748)

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

Q4 2025
Shares 422,968 Value ($000) $33,461 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 631,215 Value ($000) $41,294 Avg Close $48.82 Range $39.72 - $65.55
Q2 2025
Shares 900,318 Value ($000) $35,572 Avg Close $32.73 Range $23.95 - $40.61
Q1 2025
Shares 1,000,527 Value ($000) $30,186 Avg Close $32.75 Range $29.61 - $35.48
Q4 2024
Shares 1,025,260 Value ($000) $35,843 Avg Close $37.38 Range $33.33 - $40.58
Q3 2024
Shares 1,384,269 Value ($000) $55,454 Avg Close $46.53 Range $39.48 - $52.34
Q2 2024
Shares 1,361,025 Value ($000) $64,866 Avg Close $41.01 Range $35.95 - $47.86
Q1 2024
Shares 1,399,852 Value ($000) $60,684 Avg Close $47.67 Range $41.60 - $54.44
Q4 2023
Shares 1,905,056 Value ($000) $96,377 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 2,366,367 Value ($000) $107,338 Avg Close $41.26 Range $38.26 - $47.72
Q2 2023
Shares 2,422,631 Value ($000) $99,401 Avg Close $38.43 Range $34.32 - $43.55
Q1 2023
Shares 2,637,192 Value ($000) $94,253 Avg Close $37.55 Range $32.69 - $41.73
Q4 2022
Shares 2,673,538 Value ($000) $100,980 Avg Close $42.06 Range $36.69 - $47.74
Q3 2022
Shares 3,713,107 Value ($000) $164,231 Avg Close $42.14 Range $35.95 - $48.82
Q2 2022
Shares 4,701,297 Value ($000) $171,691 Avg Close $37.71 Range $31.46 - $44.42
Q1 2022
Shares 6,171,308 Value ($000) $228,585 Avg Close $32.73 Range $28.25 - $37.15
Q4 2021
Shares 7,083,256 Value ($000) $215,543 Avg Close $31.48 Range $25.04 - $35.80
Q3 2021
Shares 8,511,384 Value ($000) $285,472 Avg Close $37.68 Range $33.52 - $40.99
Q2 2021
Shares 8,907,733 Value ($000) $355,329 Avg Close $39.17 Range $34.43 - $47.87
Q1 2021
Shares 5,142,271 Value ($000) $231,197 Avg Close $55.77 Range $41.42 - $64.37
Q4 2020
Shares 2,399,554 Value ($000) $135,671 Avg Close $49.83 Range $45.09 - $60.95
Q3 2020
Shares 502,560 Value ($000) $23,846 Avg Close $55.55 Range $47.19 - $63.49
Q2 2020
Shares 344,131 Value ($000) $20,290 Avg Close $55.63 Range $45.12 - $61.24
Q1 2020
Shares 119,681 Value ($000) $5,659 Avg Close $55.74 Range $39.32 - $64.34
Q4 2019
Shares 216,025 Value ($000) $13,050 Avg Close $59.58 Range $53.34 - $66.22
Q3 2019
Shares 196,669 Value ($000) $11,782 Avg Close $65.17 Range $58.48 - $73.09
Q2 2019
Shares 157,773 Value ($000) $10,140 Avg Close $70.69 Range $61.91 - $86.58
Q1 2019
Shares 164,978 Value ($000) $13,391 Avg Close $64.51 Range $52.45 - $81.59
Q4 2018
Shares 242,312 Value ($000) $13,099 Avg Close $51.00 Range $43.27 - $59.81
Q3 2018
Shares 229,318 Value ($000) $11,828 Avg Close $46.98 Range $41.05 - $54.85
Q2 2018
Shares 213,127 Value ($000) $8,881 Avg Close $44.30 Range $39.07 - $51.00
Q1 2018
Shares 351,905 Value ($000) $15,512 Avg Close $50.80 Range $43.38 - $56.47
Q4 2017
Shares 370,835 Value ($000) $18,653 Avg Close $54.84 Range $50.02 - $65.51
Q2 2017
Shares 176,991 Value ($000) $9,004 Avg Close $46.57 Range $37.26 - $55.73
Q1 2017
Shares 127,563 Value ($000) $5,128 Avg Close $44.91 Range $37.29 - $56.91
Q4 2016
Shares 6,621 Value ($000) $317 Avg Close $39.57 Range $24.58 - $57.00