That whopping amount of shares are held here: https://www.sec.gov/cgi-bin/browse-edgar?company=Waldron+Private+Wealth&owner=exclude&action=getcompany they first showed up in this 5/1/2019 filing: https://www.sec.gov/Archives/edgar/data/1598180/000159818019000002/xslForm13F_X01/13F.xml