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.

Q1 2025 vs. Q4 2024

How the institutions holding AtriCure, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025 All holders in Q4 2024

13F holders of ATRC: Q4 2024 compared with Q1 2025
Measure	Q4 2024	Of which not filed for Q1 2025	Q1 2025	Change
Holders	213	2	221	+10
Shares	46.5M	1.06M	50.3M	+4.91M (+10.8%)
Value	$1.42B	$32.5M	$1.62B	+$235.0M (+16.9%)

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (38)

Institutions that held AtriCure, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to ATRC in Q1 2025
Institution	Shares	Value	% of portfolio
Nuveen, LLC	950,603	$30.7M	0.01%
Jennison Associates LLC	593,270	$19.1M	0.01%
Point72 Asset Management, L.P.	558,348	$18.0M	0.05%
Osterweis Capital Management Inc	295,605	$9.54M	0.47%
Cubist Systematic Strategies, LLC	231,480	$7.47M	0.10%
Universal- Beteiligungs- und Servicegesellschaft mbH	90,693	$2.93M	0.01%
EAM Investors, LLC	85,525	$2.76M	0.48%
Victory Capital Management Inc	57,239	$1.85M	0.00%
Qube Research & Technologies Ltd	51,191	$1.65M	0.00%
Scotia Capital Inc.	36,609	$1.18M	0.01%
Teachers Retirement System of the State of Kentucky	32,186	$1.04M	0.01%
Harbor Capital Advisors, Inc.	28,388	$916.0K	0.04%
EntryPoint Capital, LLC	25,168	$811.9K	0.37%
Knott David M Jr	24,620	$794.2K	0.37%
XTX Topco Ltd	16,301	$525.9K	0.03%
Numerai GP LLC	11,610	$374.5K	0.07%
Cresset Asset Management, LLC	11,328	$365.4K	0.00%
CIBC World Markets Corp	10,504	$338.9K	0.00%
Fiduciary Trust Co	8,853	$285.6K	0.00%
Teacher Retirement System of Texas	7,127	$229.9K	0.00%
Entropy Technologies, LP	6,990	$225.5K	0.02%
Occudo Quantitative Strategies LP	6,482	$206.3K	0.03%
Prudent Man Advisors, LLC	6,248	$201.6K	0.07%
STRS Ohio	4,900	$158.1K	0.00%
Point72 Hong Kong Ltd	4,763	$153.7K	0.01%
Point72 (DIFC) Ltd	3,326	$107.3K	0.01%
Coldstream Capital Management Inc	2,085	$67.3K	0.00%
Jones Financial Companies LLLP	380	$12.1K	0.00%
Kiker Wealth Management, LLC	199	$6.42K	0.00%
C M Bidwell & Associates Ltd	116	$3.74K	0.00%
Salem Investment Counselors Inc	111	$3.58K	0.00%
South State Corp.	89	$2.87K	0.00%
Massmutual Trust Co FSB	83	$2.68K	0.00%
Rossby Financial, LCC	65	$2.17K	0.00%
Stephens Consulting, LLC	20	$646	0.00%
Parkside Financial Bank & Trust	15	$484	0.00%
Allworth Financial LP	6	$203	0.00%
Avion Wealth	19	$0	0.00%

Sold out (28)

Institutions that held AtriCure, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of ATRC in Q1 2025
Institution	Shares, Q4 2024	Value, Q4 2024
Grandeur Peak Global Advisors, LLC	242,791	$7.42M
Emerald Advisers, LLC	89,098	$2.72M
Balyasny Asset Management LLC	76,190	$2.33M
Dynamic Technology Lab Private Ltd	32,330	$988.0K
Healthcare of Ontario Pension Plan Trust Fund	30,000	$916.8K
G2 Investment Partners Management LLC	29,691	$907.4K
Jump Financial, LLC	28,878	$882.5K
Decheng Capital LLC	26,797	$818.9K
Arrowstreet Capital, Limited Partnership	26,693	$815.7K
Royce & Associates LP	24,482	$748.2K
Aquatic Capital Management LLC	23,102	$706.0K
Emerald Mutual Fund Advisers Trust	19,408	$593.1K
Alberta Investment Management Corp	17,603	$537.9K
Bryce Point Capital, LLC	16,760	$512.2K
Centiva Capital, LP	16,687	$510.0K
LMR Partners LLP	16,313	$498.5K
Y-Intercept (Hong Kong) Ltd	14,997	$458.3K
Brown Advisory Inc	11,436	$349.5K
Sherbrooke Park Advisers LLC	10,792	$329.8K
QRG Capital Management, Inc.	9,674	$295.6K
Boothbay Fund Management, LLC	7,545	$230.6K
MML Investors Services, LLC	7,402	$226.0K
Silver Oak Securities, Inc	7,278	$220.2K
Cowa, LLC	7,097	$216.9K
M&T Bank Corp	6,799	$207.8K
R Squared Ltd	2,920	$89.2K
Venturi Wealth Management, LLC	2,257	$69.0K
Bell Investment Advisors, Inc	29	$887

Not filed for Q1 2025 yet (2)

Institutions that held AtriCure, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATRC in Q4 2024 that haven't filed for Q1 2025
Institution	Shares, Q4 2024	Value, Q4 2024
Nuveen Asset Management, LLC	1,037,348	$31.7M
AlphaCentric Advisors LLC	26,035	$795.6K