AtriCure, Inc.

ATRC

Exchange: Nasdaq
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001323885

SEC filings (opens in a new tab)

In the last 90 days, AtriCure, Inc. insiders filed 0 open-market purchases and 10 sales; 251 institutions reported holding it in 13F filings for Q2 2026, worth $1.47B in total; no superinvestor holds it.

Q3 2023 vs. Q2 2023

How the institutions holding AtriCure, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023 All holders in Q2 2023

13F holders of ATRC: Q2 2023 compared with Q3 2023
Measure	Q2 2023	Of which not filed for Q3 2023	Q3 2023	Change
Holders	224	2	231	+9
Shares	45.1M	8.32K	45.4M	+309.8K (+0.7%)
Value	$2.22B	$410.9K	$1.99B	−$232.4M (−10.5%)

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (28)

Institutions that held AtriCure, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to ATRC in Q3 2023
Institution	Shares	Value	% of portfolio
Hood River Capital Management LLC	847,342	$37.1M	1.19%
Next Century Growth Investors LLC	313,724	$13.7M	1.49%
Soleus Capital Management, L.P.	306,000	$13.4M	1.35%
Tudor Investment Corp Et Al	87,617	$3.84M	0.06%
Oberweis Asset Management Inc	47,300	$2.07M	0.22%
Knights of Columbus Asset Advisors LLC	46,485	$2.04M	0.19%
Armistice Capital, LLC	27,928	$1.22M	0.04%
Franklin Resources Inc	20,106	$880.6K	0.00%
CenterBook Partners LP	17,589	$770.4K	0.10%
SG Americas Securities, LLC	13,759	$603.0K	0.01%
Bayesian Capital Management, LP	7,900	$346.0K	0.04%
Jefferies Financial Group Inc.	7,349	$321.9K	0.01%
XTX Topco Ltd	7,283	$319.0K	0.05%
Pictet Asset Management Holding SA	5,325	$233.2K	0.00%
Contravisory Investment Management, Inc.	5,064	$221.8K	0.06%
Capstone Investment Advisors, LLC	4,967	$217.6K	0.01%
Creative Planning	4,643	$203.4K	0.00%
KBC Group NV	1,158	$51.0K	0.00%
Arcadia Investment Management Corp	645	$28.3K	0.01%
RiverPark Advisors, LLC	625	$27.4K	0.02%
MCF Advisors LLC	387	$17.0K	0.00%
Quarry LP	102	$4.47K	0.00%
Psagot Value Holdings Ltd. / (Israel)	55	$2.00K	0.00%
Valley National Advisers Inc	30	$1.00K	0.00%
Massmutual Trust Co FSB	19	$832	0.00%
Russell Investments Group, Ltd.	8	$350	0.00%
Bokf, NA	5	$173	0.00%
Steward Financial Group LLC	6	$0	0.00%

Sold out (19)

Institutions that held AtriCure, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of ATRC in Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Congress Asset Management Co	110,094	$5.43M
Oak Ridge Investments LLC	53,959	$2.66M
Jane Street Group, LLC	9,316	$459.8K
Verition Fund Management LLC	7,328	$361.7K
Balyasny Asset Management LLC	6,513	$321.5K
Y-Intercept (Hong Kong) Ltd	6,019	$297.1K
Rockefeller Capital Management L.P.	7,169	$257.7K
Virtu Financial LLC	4,627	$228.0K
NorthCrest Asset Manangement, LLC	4,320	$213.2K
Gotham Asset Management, LLC	4,318	$213.1K
Mather Group, LLC.	3,212	$158.5K
Harbor Investment Advisory, LLC	1,337	$66.0K
Foster Dykema Cabot & Co Inc	137	$7.00K
Pinebridge Investments, L.P.	100	$4.94K
Baystate Wealth Management LLC	98	$4.84K
Manchester Capital Management LLC	35	$1.73K
Lindbrook Capital, LLC	12	$592
25 LLC	10	$534
Disciplined Investments, LLC	1	$49

Not filed for Q3 2023 yet (2)

Institutions that held AtriCure, Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATRC in Q2 2023 that haven't filed for Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
Pictet Asset Management SA	5,325	$262.8K
BerganKDV Wealth Management, LLC	3,000	$148.1K