Sigma Healthcare
Sigma Healthcare is a leading Australian retail pharmacy franchisor and full-line pharmaceutical wholesaler and distributor. They support a large retail network of franchised pharmacies, including Chemist Warehouse, Amcal, and Discount Drug Stores. In February 2025, Sigma merged with Chemist Warehouse Group, combining Sigma's distribution infrastructure with Chemist Warehouse's retail expertise.
Short position
Sigma Healthcare (ASX:SIG) has 5.46% of its shares on issue reported as short positions as of 5 Oct 2026, or about 630,631,230 shares. Over the past 30 days that figure has risen 1.14 percentage points, and over 90 days it has risen 1.97 percentage points. Its highest recorded short interest was 7.54% in July 2018. SIG is classified in the Health Care Equipment & Services industry. All figures come from official ASIC short position reports, published with a four trading-day (T+4) delay.
Price & short interest
Toggle series, zoom, and compare · ASIC daily, T+4Sigma Healthcare (SIG) short interest history
SIG Short Interest History
- 30-day change
- +1.14pp
- 90-day change
- +1.97pp
- 1-year change
- +3.23pp
- All-time high
- 7.54% (July 2018)
- All-time low
- 0.00% (October 2020)
Is SIG heavily shorted?
SIG's short interest of 5.46% is elevated relative to the ASX average, ranking #61 of 799 ASX securities with reported short positions. ASIC requires positions of 0.01% of issued capital or $100,000 (whichever is less) to be reported.
How has SIG's short interest changed recently?
Over the past 30 days Sigma Healthcare's short interest has risen 1.14 percentage points, and over 90 days it has risen 1.97 percentage points. The current level is 5.46% of shares on issue.
What is the highest SIG's short interest has been?
Since 2017, Sigma Healthcare's short interest peaked at 7.54% in July 2018 and bottomed at 0.00% in October 2020.
Where does this data come from?
All figures are sourced from daily ASIC short position reports, published with a four trading-day (T+4) delay. Shorted aggregates the full history since 2017. See our methodology.