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TLX

Telix Pharmaceuticals

Pharmaceuticals, Biotechnology & Life Sciences

Telix Pharmaceuticals is a global biopharmaceutical company specializing in the development and commercialization of radiopharmaceuticals for cancer treatment. The company focuses on precision oncology, utilizing targeted radiation to treat urologic, neurologic, and musculoskeletal cancers. Telix's unique value lies in its ability to deliver focused radiation doses with precision targeting, minimizing damage to healthy tissues.

Short position

short percentage10.62%
reported shorts36.1M
shares on issue340.330M

Telix Pharmaceuticals (ASX:TLX) has 10.62% of its shares on issue reported as short positions as of 5 Oct 2026, or about 36,146,864 shares. Over the past 30 days that figure has risen 0.21 percentage points, and over 90 days it has fallen 1.24 percentage points. Its highest recorded short interest was 16.51% in April 2026. TLX 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.

Price & short interest

Toggle series, zoom, and compare · ASIC daily, T+4

Telix Pharmaceuticals (TLX) short interest history

TLX Short Interest History

30-day change
+0.21pp
90-day change
-1.24pp
1-year change
+2.09pp
All-time high
16.51% (April 2026)
All-time low
0.00% (February 2021)

Is TLX heavily shorted?

Yes. At 10.62%, TLX is one of the most heavily shorted stocks on the ASX, ranking #12 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 TLX's short interest changed recently?

Over the past 30 days Telix Pharmaceuticals's short interest has been broadly stable, and over 90 days it has fallen 1.24 percentage points. The current level is 10.62% of shares on issue.

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

Since 2017, Telix Pharmaceuticals's short interest peaked at 16.51% in April 2026 and bottomed at 0.00% in February 2021.

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.