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Alterity Therapeu…

AUAUD
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AU:ATHUS:PRNAF

Alterity Therapeutics Ltd (US:PRNAF) — Biotechnology: Pharmaceutical Preparations. Number of exchanges where the company shares trade: 2. On this page — price and chart, dividends, top holders and share count history.

About the company

Website
alteritytherapeutics.com
Sector
Health Care · Biotechnology: Pharmaceutical Preparations
Headquarters
MELBOURNE, Australia
CEO
David A. Stamler
Employees
11
Shares outstanding
217.51 M as of 2026-06-30
Free float
171.39 M
Market cap
81.28 M AUD
Insiders
7.91%
Institutions
17.98%
Industry (SIC)
Pharmaceutical Preparations
Description

Alterity Therapeutics Limited is engages in research and development of Parkinsonian and neurodegenerative disorders, including Multiple System Atrophy (MSA) and Parkinson's disease. The company's lead drug candidate is ATH434, a small molecule drug candidate that has completed Phase II clinical trial for the treatment of Parkinson's disease. It is also developing ATH434-201, which is in Phase II clinical trial to treat multiple system atrophy early stage; and ATH434-202 that is in Phase II clinical trial to treat multiple system atrophy, as well as bioMUSE, biomarkers of progression in multiple system atrophy. The company also operates drug discovery platform that generates patentable chemical compounds to treat the underlying pathology of neurological diseases. The company was formerly known as Prana Biotechnology Limited and changed its name to Alterity Therapeutics Limited in April 2019. Alterity Therapeutics Limited was incorporated in 1997 and is based in Melbourne, Australia.

Exchanges and tickers

ExchangeTickerCurrencyPriceType
AU Australian Securities ExchangeATH primaryAUD0.355 -2.74%common stock
US USA StocksPRNAF OTCUSD0.4 +0.00%common stock

Price for 3 months

up day down dayHover / tap a day — open, close, high and low prices

News this week

No news from the company's website yet.

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Top holders

HolderStakeSharesReport date
Meltzer (Brian Derek) (F…≈49.36%9.42 M2025-11-21
Gozlan (Lawrence) (Direc…≈23.83%4.55 M2025-04-07
Marks (Peter Vincent) (I…≈1.19%227 7042026-08-31
Twin Lakes Capital Manag…0.73%139 2582026-06-30
Morgan Stanley0.33%63 0652026-06-30
Greenleaf Trust0.32%62 0002026-06-30
HB Wealth Management, LL…0.31%58 4602026-06-30
Citadel Advisors Llc0.2%37 5972026-06-30
Kempler (Geoffrey Paul)…≈0.16%30 0002025-11-21
HRT Financial LP0.09%17 2922026-06-30
BNP Paribas Financial Ma…0.05%10 2392026-06-30
Gamma Investing LLC0.01%2 3092026-06-30
Rhumbline Advisers0.01%2 0092026-06-30
Acadian Asset Management…0.01%1 8632026-06-30
Fidelity Concord Street…0.01%1 1552026-05-31
Stamler (David) (Chief E…—91.69 M2025-11-21