Aptose Biosciences

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

You can watch APTOF and buy or sell other stocks, ETFs, and their options commission-free!

About APTOF

Aptose Biosciences, Inc. is a clinical-stage oncology company, which engages in the discovery, research, and development of anti-cancer therapies. Its product pipeline includes APTO-253, a small molecule that induces expression of the Kruppel-Like Factor 4 genes; and CG-806 a non-covalent small molecule therapeutic agent. 

CEO
William G. Rice
CEOWilliam G. Rice
Employees
14
Employees14
Headquarters
Toronto, Ontario
HeadquartersToronto, Ontario
Founded
1986
Founded1986
Employees
14
Employees14

APTOF Key Statistics

Market cap
4.31M
Market cap4.31M
Price-Earnings ratio
-0.16
Price-Earnings ratio-0.16
Dividend yield
Dividend yield
Average volume
6.80K
Average volume6.80K
High today
$1.69
High today$1.69
Low today
$1.69
Low today$1.69
Open price
$1.69
Open price$1.69
Volume
1.08K
Volume1.08K
52 Week high
$4.00
52 Week high$4.00
52 Week low
$0.6363
52 Week low$0.6363

Stock Snapshot

The current Aptose Biosciences(APTOF) stock price is $1.69, with a market capitalization of 4.31M. The stock trades at a price-to-earnings (P/E) ratio of -0.16.

During the trading session on 2026-04-05, Aptose Biosciences(APTOF) shares reached a daily high of $1.69 and a low of $1.69. At a current price of $1.69, the stock is 0.0% higher than the low and still -0.2% under the high.

Trading activity shows a volume of 1.08K, compared to an average daily volume of 6.8K.

Over the past 52 weeks, Aptose Biosciences(APTOF) stock has traded between a high of $4.00 and a low of $0.64.

Over the past 52 weeks, Aptose Biosciences(APTOF) stock has traded between a high of $4.00 and a low of $0.64.

APTOF News

TipRanks 4d
Aptose Shareholders Approve Hanmi Acquisition and Re-Domiciling

Unlock hedge fund-level data and powerful investing tools for smarter, sharper decisions Discover top-performing stock ideas and upgrade to a portfolio of mark...

People also own

Based on the portfolios of people who own APTOF. This list is generated using Robinhood data, and it’s not a recommendation.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.