Humanigen Inc (HGENQ)

[DonDonDonDon]

I'm thinking a fund could have a position in XBI and then also in the specific holdings of XBI. Now though, HGEN is not in XBI, but their trading strategy applies to all the companies in their 'bio bin'.

I think you hit it on the head. Their algo buys and sells are sector-wide and HGEN is part of the algo. On low volume days, the algo buying/selling is by far the biggest force on HGEN's share price.