argenx SE is on Cruelty Free Investing use of animals list because they test their drugs on animals.
The company stated in the following article that they conduct pre-clinical trials of their drugs on animals.
“SIMPLE Antibody™ platform sources V-regions from the immune system of “outbred” llamas (i.e. that each animal has a different genetic background).” Read the following article
Company Website: www.argenx.com