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NAN

Nanosonics

Health Care Equipment & Services

Nanosonics is an Australian company specializing in infection control and decontamination technologies. It aims to be a global leader by providing economical and safe solutions that prevent the transmission of infections. The company focuses on research, development, and commercialization of innovative technologies in the healthcare sector.

Short position

short percentage6.44%
reported shorts19.3M
shares on issue299.168M

Nanosonics (ASX:NAN) has 6.44% of its shares on issue reported as short positions as of 5 Oct 2026, or about 19,279,584 shares. Over the past 30 days that figure has fallen 0.70 percentage points, and over 90 days it has fallen 0.48 percentage points. Its highest recorded short interest was 14.09% in April 2018. NAN 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+4

Nanosonics (NAN) short interest history

NAN Short Interest History

30-day change
-0.70pp
90-day change
-0.48pp
1-year change
-1.92pp
All-time high
14.09% (April 2018)
All-time low
0.00% (March 2011)

Is NAN heavily shorted?

NAN's short interest of 6.44% is elevated relative to the ASX average, ranking #45 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 NAN's short interest changed recently?

Over the past 30 days Nanosonics's short interest has fallen 0.70 percentage points, and over 90 days it has been broadly stable. The current level is 6.44% of shares on issue.

What is the highest NAN's short interest has been?

Since 2010, Nanosonics's short interest peaked at 14.09% in April 2018 and bottomed at 0.00% in March 2011.

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 2010. See our methodology.