IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 3,778 Value ($000) $299 Avg Close $75.30 Range $64.93 - $83.61
Q3 2025
Shares 4,796 Value ($000) $314 Avg Close $48.82 Range $39.72 - $65.55
Q4 2023
Shares 1,018 Value ($000) $52 Avg Close $47.90 Range $41.84 - $52.27
Q3 2023
Shares 318 Value ($000) $14 Avg Close $41.26 Range $38.26 - $47.72
Q4 2022
Shares 15,463 Value ($000) $584 Avg Close $42.06 Range $36.69 - $47.74
Q2 2022
Shares 4,654 Value ($000) $172 Avg Close $37.71 Range $31.46 - $44.42
Q4 2021
Shares 36,268 Value ($000) $1,104 Avg Close $31.48 Range $25.04 - $35.80
Q3 2021
Shares 31,533 Value ($000) $1,058 Avg Close $37.68 Range $33.52 - $40.99
Q2 2021
Shares 31,530 Value ($000) $1,258 Avg Close $39.17 Range $34.43 - $47.87
Q1 2021
Shares 28,911 Value ($000) $1,300 Avg Close $55.77 Range $41.42 - $64.37
Q4 2019
Shares 12,345 Value ($000) $746 Avg Close $59.58 Range $53.34 - $66.22
Q2 2019
Shares 77,103 Value ($000) $4,955 Avg Close $70.69 Range $61.91 - $86.58
Q1 2019
Shares 53,351 Value ($000) $4,331 Avg Close $64.51 Range $52.45 - $81.59
Q4 2018
Shares 57,675 Value ($000) $3,118 Avg Close $51.00 Range $43.27 - $59.81
Q3 2018
Shares 75,909 Value ($000) $3,915 Avg Close $46.98 Range $41.05 - $54.85
Q2 2018
Shares 106,696 Value ($000) $4,446 Avg Close $44.30 Range $39.07 - $51.00
Q1 2018
Shares 38,755 Value ($000) $1,708 Avg Close $50.80 Range $43.38 - $56.47
Q4 2017
Shares 138,297 Value ($000) $6,956 Avg Close $54.84 Range $50.02 - $65.51
Q3 2017
Shares 146,372 Value ($000) $7,421 Avg Close $52.38 Range $43.75 - $60.01
Q2 2017
Shares 141,934 Value ($000) $7,220 Avg Close $46.57 Range $37.26 - $55.73
Q1 2017
Shares 184,950 Value ($000) $7,435 Avg Close $44.91 Range $37.29 - $56.91
Q4 2016
Shares 139,389 Value ($000) $6,667 Avg Close $39.57 Range $24.58 - $57.00
Q3 2016
Shares 172,882 Value ($000) $6,334 Avg Close $31.29 Range $23.26 - $40.82
Q2 2016
Shares 113,399 Value ($000) $2,641 Avg Close $32.26 Range $19.59 - $46.75
Q1 2016
Shares 40,790 Value ($000) $1,652 Avg Close $40.62 Range $30.93 - $62.68
Q4 2015
Shares 128,739 Value ($000) $7,973 Avg Close $53.96 Range $38.30 - $65.34