The data below is sourced from ASIC, which is supplied on a T+4 basis (trading-day plus four days). The accuracy of the below data is unlikely to be perfect, as it is reliant on organisations, both domestic and foreign, reporting accruate short positions on any given day.

As per the latest ASIC data for GLS (24 December 2025), GLS is the 520th most shorted stock on the ASX by percentage of total shares issued.