ATRC Market Cap History — AtriCure Capitalization Over Time

As of 5/1/2026 AtriCure has a market cap of 1.47 billion. Investors often follow the ATRC market cap history to compare the size of the company over time.

This page shows ATRC market capitalization trends over time, with 63 market cap datapoints presented, dating back to 3/1/2010.

Quick links: Market Cap History Table  |  Market Cap History Chart  |  About AtriCure
ATRC Market Cap History



Below is a table of the ATRC market cap history going back to 3/1/2010:

Date ATRC Market Cap
3/1/201080.66M
4/30/201086.12M
8/6/2010104.12M
11/5/2010129.24M
3/1/2011161.13M
4/30/2011217.44M
7/31/2011197.94M
10/31/2011181.32M
3/6/2012161.84M
4/30/2012135.19M
7/30/2012140.35M
10/29/2012105.05M
2/28/2013185.56M
4/26/2013162.43M
7/26/2013205.60M
10/25/2013264.21M
2/28/2014566.89M
4/23/2014470.83M
7/23/2014436.52M
10/24/2014419.21M
2/20/2015510.43M
4/24/2015607.69M
7/24/2015668.34M
10/28/2015605.02M
2/22/2016559.61M
4/27/2016587.42M
8/3/2016503.36M
10/26/2016547.46M
2/24/2017588.43M
5/2/2017719.66M
7/25/2017805.82M
10/30/2017725.68M
2/23/2018622.08M
4/24/2018716.22M
7/30/2018976.69M
10/30/20181.19B
2/22/20191.28B
4/24/20191.08B
7/29/20191.23B
10/28/20191.07B
2/20/20201.63B
7/27/20202.05B
11/4/20201.65B
4/26/20213.01B
8/3/20213.83B
11/1/20213.56B
2/14/20222.95B
5/2/20222.53B
8/1/20222.27B
10/31/20221.96B
2/17/20231.88B
4/28/20232.08B
7/21/20232.56B
10/30/20231.59B
4/29/20241.13B
7/29/20241.07B
10/28/20241.40B
2/11/20252.03B
4/28/20251.67B
7/28/20251.65B
10/27/20251.81B
2/12/20261.58B
5/1/20261.47B

Also see: ATRC Shares Outstanding History
and ATRC YTD Return
ATRC Historical Market Cap:
+19.65% CAGR
ATRC Historical Market Cap: +19.65% CAGR

Mouse over chart for data details
3/1/2010 ...5/1/2026
AtriCure, Inc. provides technologies for the treatment for atrial fibrillation (Afib), left atrial appendage (LAA) management and post-operative pain management. Co.'s cardiac ablation and left atrial appendage management (LAAM) products are used by physicians during open-heart and minimally invasive surgical procedures. Its pain management solutions are used by physicians to freeze nerves during cardiothoracic or thoracic surgical procedures. Co.'s products for open and minimally invasive ablation include Isolator Synergy Clamps and Multifunctional Pens and Linear Ablation Devices. Its products for open ablation include cryoICE Cryoablation System. We show 63 historical shares outstanding datapoints in our ATRC shares outstanding history coverage, used to compute ATRC market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing ATRC market cap history over the course of time is important for investors interested in comparing ATRC'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 ATRC versus a peer is one thing; comparing ATRC 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 ATRC can fluctuate over the course of history. With this page we aim to empower investors researching ATRC by allowing them to research the ATRC market cap history.
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Video: The Importance of Market Cap
AtriCure (ATRC) is categorized under the Healthcare sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

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