APTO Market Cap History
Below is a table of the APTO market cap history going back to 10/23/2014:

Date APTO Market Cap

Also see: APTO Shares Outstanding History
and APTO YTD Return
APTO Historical Market Cap:
+17.32% CAGR
APTO Historical Market Cap: +17.32% CAGR

Mouse over chart for data details
10/23/2014 ...11/12/2021
Aptose Biosciences is biotechnology company developing agents to treat medical needs in cancers, such as acute myeloid leukemia (AML), certain B-cell malignancies, high-risk myelodysplastic syndromes (MDS) and other hematologic malignancies. Co.'s product pipeline includes cancer drug candidates that exert potent activity as stand-alone agents and that improve the activities of other anticancer agents without causing overlapping toxicities. Co.'s clinical-stage programs include: CG-806, which is a mutation-agnostic FMS-like tyrosine kinase 3 / Bruton's tyrosine kinase inhibitor; and APTO-253, which is a small molecule MYC oncogene inhibitor. We show 16 historical shares outstanding datapoints in our APTO shares outstanding history coverage, used to compute APTO market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing APTO market cap history over the course of time is important for investors interested in comparing APTO's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of APTO versus a peer is one thing; comparing APTO market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like APTO can fluctuate over the course of history. With this page we aim to empower investors researching APTO by allowing them to research the APTO market cap history.
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Aptose Biosciences (APTO) is categorized under the Miscellaneous sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

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