KLRS Shares Outstanding History — Kalaris Therapeutics Share Count Over Time

As of 5/5/2026 Kalaris Therapeutics has 23.79 million KLRS shares outstanding. Investors often track the KLRS shares outstanding history to compare shareholder return trends against the change in share count over time.

This page shows KLRS share count trends over time, with 6 historical shares outstanding datapoints presented, dating back to 2/28/2025.

Quick links: Shares Outstanding History Table  |  Shares Outstanding History Chart  |  About Kalaris Therapeutics
KLRS Shares Outstanding History



Below is a table of the KLRS shares outstanding history going back to 2/28/2025:

Date KLRS Shares Outstanding
2/28/20255.04M
5/7/202518.70M
8/6/202518.70M
11/5/202518.70M
3/10/202622.93M
5/5/202623.79M

Also see: KLRS Market Cap History
KLRS YTD Return
KLRS Historical Shares Outstanding:
+273.14% CAGR
KLRS Historical Shares Outstanding: +273.14% CAGR

Mouse over chart for data details
2/28/2025 ...5/5/2026
AlloVir, Inc. is an allogeneic T cell immunotherapy company with a focus on restoring natural immunity against life-threatening viral diseases in pediatric and adult patients with weakened immune systems. The company's proprietary technology platforms leverage off-the-shelf, allogeneic, single- and multi-virus-specific T cells for patients with T cell deficiencies who are at risk from the life-threatening consequences of viral diseases. Its technology and manufacturing process enable the potential for the treatment and prevention of a spectrum of devastating viruses with each single allogeneic cell therapy. We show 6 historical shares outstanding datapoints in our coverage of KLRS's shares outstanding history.

Understanding the changing numbers of KLRS shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like KLRS versus peers — is critical for investors. 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. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching KLRS by allowing them to research KLRS shares outstanding history as well as any other stock in our coverage universe.
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Video: Shares Outstanding Importance
Kalaris Therapeutics (KLRS) is categorized under the Healthcare sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:

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