HCI - HCI Group files for $150M mixed shelf September, 11 2023 06:56 AM HCI Group Inc. 2023-09-11 06:56:03 ET HCI Group ( NYSE: HCI ) on Friday filed a prospectus for a mixed securities shelf offering of up to $150M. This prospectus is not an offer to sell these securities. S-3 For further details see: HCI Group files for $150M mixed shelf