I've actually written several posts on it explaining that it's Solactive who was responsible for adding PYR to the underlying benchmark index, and that daily additional PYR buys by ARK are not based on how much Cathie Wood likes PYR, but merely based on daily net inflows into the ARK ETF.

Here's just one post I wrote in that regard when people were yapping about HPQ not being part of the ETF (whereupon I was attacked as a basher, of course) :

https://stockhouse.com/companies/bullboard?symbol=v.hpq&postid=32496397