Newbie here. I think the really bad news is First Sentier Investors / MUFJ.
They are proud of being shorter.
https://www.firstsentierinvestors.com.au/au/en/adviser/insights/latest-insights/small-caps-a-good-hunting-ground-for-short-selling.html
APPEN was in a similar situation - 13/12/2023 Change in substantial holding from MUFG - price down 10% then bounced back after two days...