IONIS PHARMACEUTICALS INC

Ticker: IONS CUSIP: 462222100 Class: COM

Weiss Asset Management LP's Holding History (CIK: 0001357550)

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

Q4 2023
Shares 5,874 Value ($000) $297 Avg Close $47.90 Range $41.84 - $52.27
Q1 2022
Shares 18,145 Value ($000) $672 Avg Close $32.73 Range $28.25 - $37.15
Q3 2018
Shares 17,983 Value ($000) $928 Avg Close $46.98 Range $41.05 - $54.85
Q2 2018
Shares 17,983 Value ($000) $749 Avg Close $44.30 Range $39.07 - $51.00
Q1 2018
Shares 17,983 Value ($000) $793 Avg Close $50.80 Range $43.38 - $56.47
Q4 2017
Shares 17,983 Value ($000) $905 Avg Close $54.84 Range $50.02 - $65.51
Q3 2017
Shares 9,625 Value ($000) $488 Avg Close $52.38 Range $43.75 - $60.01