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.

Q2 2024 vs. Q1 2024

How the institutions holding AtriCure, Inc. changed between Q1 2024 and Q2 2024.

All holders in Q2 2024 All holders in Q1 2024

13F holders of ATRC: Q1 2024 compared with Q2 2024
Measure	Q1 2024	Of which not filed for Q2 2024	Q2 2024	Change
Holders	224	1	198	−25
Shares	49.7M	985.0K	50.8M	+2.09M (+4.3%)
Value	$1.51B	$30.0M	$1.16B	−$323.0M (−21.8%)

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held AtriCure, Inc. at the end of Q2 2024 but not at the end of Q1 2024.

Institutions new to ATRC in Q2 2024
Institution	Shares	Value	% of portfolio
Hood River Capital Management LLC	1,775,243	$40.4M	0.84%
Kent Lake Capital LLC	250,000	$5.69M	2.57%
Adage Capital Partners GP, L.L.C.	150,000	$3.42M	0.01%
Tudor Investment Corp Et Al	87,974	$2.00M	0.02%
Corebridge Financial, Inc.	25,468	$579.9K	0.00%
Mirae Asset Global ETFs Holdings Ltd.	24,405	$555.7K	0.00%
Toroso Investments, LLC	20,975	$477.6K	0.01%
Diversify Wealth Management, LLC	11,954	$256.2K	0.03%
Centiva Capital, LP	10,959	$249.5K	0.01%
Harbert Fund Advisors, Inc.	10,000	$227.7K	0.18%
nVerses Capital, LLC	600	$13.7K	0.01%
Clearstead Advisors, LLC	549	$12.5K	0.00%
Lindbrook Capital, LLC	391	$8.90K	0.00%
Opal Wealth Advisors, LLC	318	$7.24K	0.00%
Caption Management, LLC	270	$6.15K	0.00%
Ashton Thomas Private Wealth, LLC	188	$4.28K	0.00%
Financial Network Wealth Advisors LLC	114	$2.60K	0.00%
Private Wealth Management Group, LLC	88	$2.00K	0.00%
Massmutual Trust Co FSB	76	$1.73K	0.00%
Smartleaf Asset Management LLC	60	$1.40K	0.00%
Stephens Consulting, LLC	51	$1.16K	0.00%
Valley National Advisers Inc	50	$1.00K	0.00%
Innealta Capital, LLC	33	$751	0.00%
Cornerstone Planning Group LLC	31	$665	0.00%
GAMMA Investing LLC	9	$205	0.00%
Global Retirement Partners, LLC	7	$159	0.00%

Sold out (51)

Institutions that held AtriCure, Inc. at the end of Q1 2024 and filed for Q2 2024 without it.

Institutions that sold out of ATRC in Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
TimesSquare Capital Management, LLC	854,547	$26.0M
Loomis Sayles & Co L P	808,425	$24.6M
Fred Alger Management, LLC	558,570	$17.0M
Natixis	300,000	$9.13M
Cubist Systematic Strategies, LLC	152,931	$4.65M
Bridger Management, LLC	99,795	$3.04M
Holocene Advisors, LP	81,853	$2.49M
Susquehanna International Group, LLP	76,533	$2.33M
Arrowstreet Capital, Limited Partnership	69,025	$2.10M
Alberta Investment Management Corp	39,494	$1.20M
Aquatic Capital Management LLC	33,800	$1.03M
Great Lakes Advisors, LLC	31,348	$953.6K
Schonfeld Strategic Advisors LLC	30,298	$921.7K
Fox Run Management, L.L.C.	27,802	$845.7K
Mirae Asset Global Investments Co., Ltd.	20,237	$822.4K
American International Group, Inc.	22,959	$698.4K
Larson Financial Group LLC	17,270	$525.4K
First Trust Advisors LP	17,080	$519.6K
Dynamic Technology Lab Private Ltd	16,047	$489.0K
Twinbeech Capital LP	14,122	$429.6K
Point72 (DIFC) Ltd	13,971	$425.0K
New York Life Investment Management LLC	13,599	$413.7K
Petrus Trust Company, LTA	13,082	$398.0K
Mackenzie Financial Corp	11,824	$359.7K
Principal Financial Group Inc	11,592	$352.6K
Bayesian Capital Management, LP	11,300	$343.7K
Graham Capital Management, L.P.	11,062	$336.5K
Walleye Capital LLC	10,588	$322.1K
Teacher Retirement System of Texas	10,274	$313.0K
Snowden Capital Advisors LLC	8,758	$266.4K
Delap Wealth Advisory, LLC	8,708	$264.9K
Bridgefront Capital, LLC	8,668	$263.7K
Diversify Advisory Services, LLC	8,865	$257.9K
ProShare Advisors LLC	8,371	$254.6K
AlTi Global, Inc.	7,263	$220.9K
Captrust Financial Advisors	7,173	$218.2K
Prelude Capital Management, LLC	7,143	$217.3K
Lowe Brockenbrough & Co Inc	7,000	$212.9K
Seven Eight Capital, LP	6,646	$202.2K
Simplex Trading, LLC	3,991	$121.0K
Point72 Asia (Singapore) Pte. Ltd.	3,676	$111.8K
Metropolitan Life Insurance Co	2,475	$75.3K
Group One Trading, L.P.	2,202	$67.0K
Point72 Hong Kong Ltd	1,003	$30.5K
Whittier Trust Co	441	$13.4K
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	330	$10.0K
Clear Street Markets LLC	208	$6.00K
Private Trust Co NA	152	$4.62K
Truvestments Capital LLC	54	$1.64K
GPS Wealth Strategies Group, LLC	31	$943
Northwestern Mutual Wealth Management Co	7	$213

Not filed for Q2 2024 yet (1)

Institutions that held AtriCure, Inc. at the end of Q1 2024 and haven't filed a 13F for Q2 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATRC in Q1 2024 that haven't filed for Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
Credit Suisse AG	984,959	$30.0M