CSL (CSL) Short Interest
CSL (ASX:CSL) had 1.55% of shares reported as short positions as of 24 Aug 2026, representing 7,431,003 shares. CSL operates in the Pharmaceuticals, Biotechnology & Life Sciences industry. Source: ASIC short position report (T+4 delay).
Source: official ASIC short position report, T+4 delay. Methodology · Disclaimer — not financial advice.

CSL
CSL Limited is a global biotechnology company specializing in the development, manufacturing, and marketing of life-saving biotherapies, vaccines, and diagnostic products. Its core business revolves around plasma-derived therapies, which treat a range of serious medical conditions, and recombinant technologies. CSL holds a leading market position in several therapeutic areas, leveraging its extensive research and development capabilities and global manufacturing and distribution network to deliver innovative healthcare solutions.
Short position
CSL (ASX:CSL) has 1.55% of its shares on issue reported as short positions as of 24 Aug 2026, or about 7,431,003 shares. Over the past 30 days that figure has risen 0.58 percentage points, and over 90 days it has risen 0.91 percentage points. Its highest recorded short interest was 3.27% in June 2010. CSL is classified in the Pharmaceuticals, Biotechnology & Life Sciences industry. All figures come from official ASIC short position reports, published with a four trading-day (T+4) delay.
Operations exposure
VictoriaSome operations exposure (estimate)
Basis: Melbourne R&D and manufacturing
Coarse bands are AI estimates based on public company information.
Weekly context: The 10 most shorted ASX stocks — Week 35, 2026.
Price & short interest
Toggle series, zoom, and compare · ASIC daily, T+4CSL intelligence dossier
Public-source evidence for this company, with industry drill-up links.
- Tax paid and taxable income records
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Short interest history & FAQ
Company
AI-generated research profile of Csl
Latest CSL news
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