Attached files

file filename
10-K - IONIS PHARMACEUTICALS, INC. 10-K 12-31-2019 - IONIS PHARMACEUTICALS INCform10k.htm
EX-32 - EXHIBIT 32.1 - IONIS PHARMACEUTICALS INCexhibit32_1.htm
EX-31.2 - EXHIBIT 31.2 - IONIS PHARMACEUTICALS INCexhibit31_2.htm
EX-31.1 - EXHIBIT 31.1 - IONIS PHARMACEUTICALS INCexhibit31_1.htm
EX-23.1 - EXHIBIT 23.1 - IONIS PHARMACEUTICALS INCexhibit23_1.htm
EX-10.70 - EXHIBIT 10.70 - IONIS PHARMACEUTICALS INCexhibit10_70.htm
EX-4.9 - EXHIBIT 4.9 - IONIS PHARMACEUTICALS INCexhibit4_9.htm

Exhibit 21.1

LIST OF SUBSIDIARIES FOR THE REGISTRANT


Akcea Therapeutics, Inc., a Delaware Corporation

Akcea Therapeutics Canada Inc., a Canadian Corporation

Akcea Therapeutics France SAS, a French Company

Akcea Therapeutics Germany GmbH, a German Corporation

Akcea Therapeutics UK Limited, a United Kingdom Limited Private Company

Akcea Securities Corporation., a Massachusetts Corporation

Akcea Therapeutics Ireland Limited, an Irish Private Company

Akcea Therapeutics Portugal, Unipessoal Lda, a Portuguese Company

Akcea Therapeutics Spain SL, a Spanish Company

Akcea Therapeutics Italia SRL, an Italian Company

Isis USA Limited, a United Kingdom Limited Private Company

Osprey Therapeutics, Inc., a Delaware Corporation

PerIsis I Development Corporation, a Delaware Corporation

Symphony GenIsis, Inc., a Delaware Corporation

Ionis Development (Ireland) Limited, an Irish Private Company