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 2023 vs. Q4 2022

How the institutions holding AtriCure, Inc. changed between Q4 2022 and Q1 2023.

All holders in Q1 2023 All holders in Q4 2022

13F holders of ATRC: Q4 2022 compared with Q1 2023
Measure	Q4 2022	Of which not filed for Q1 2023	Q1 2023	Change
Holders	212	2	225	+15
Shares	45.0M	84.5K	44.7M	−211.9K (−0.5%)
Value	$2.02B	$3.75M	$1.86B	−$159.4M (−7.9%)

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (35)

Institutions that held AtriCure, Inc. at the end of Q1 2023 but not at the end of Q4 2022.

Institutions new to ATRC in Q1 2023
Institution	Shares	Value	% of portfolio
Marshall Wace, LLP	551,872	$22.9M	0.06%
Assenagon Asset Management S.A.	227,513	$9.43M	0.04%
Point72 Asset Management, L.P.	115,219	$4.78M	0.02%
Great Lakes Advisors, LLC	82,394	$3.42M	0.03%
Orion Portfolio Solutions, LLC	79,769	$3.31M	0.04%
Pura Vida Investments, LLC	56,219	$2.33M	0.24%
Jefferies Financial Group Inc.	52,910	$2.19M	0.05%
Essex Investment Management Co LLC	45,436	$1.88M	0.27%
Qube Research & Technologies Ltd	45,421	$1.88M	0.01%
UBS Oconnor LLC	41,160	$1.71M	0.04%
Numerai GP LLC	36,901	$1.53M	0.51%
Balyasny Asset Management LLC	28,811	$1.19M	0.00%
Squarepoint Ops LLC	28,500	$1.18M	0.01%
Legato Capital Management LLC	18,031	$747.4K	0.14%
Skandinaviska Enskilda Banken AB (publ)	16,000	$663.0K	0.00%
Aigen Investment Management, LP	13,645	$565.6K	0.08%
Quantbot Technologies LP	12,969	$537.6K	0.04%
Gsa Capital Partners LLP	11,279	$468.0K	0.05%
XTX Topco Ltd	10,185	$422.2K	0.09%
CM Wealth Advisors LLC	9,924	$419.0K	0.08%
Trexquant Investment LP	7,718	$319.9K	0.01%
Axq Capital, LP	7,676	$318.2K	0.13%
Lowe Brockenbrough & Co Inc	7,000	$290.1K	0.02%
Versor Investments LP	6,522	$270.3K	0.04%
Bridgefront Capital, LLC	6,240	$258.6K	0.16%
Armistice Capital, LLC	5,899	$244.5K	0.01%
Walleye Capital LLC	5,385	$223.2K	0.00%
Quarry LP	490	$20.3K	0.01%
Allworth Financial LP	269	$11.2K	0.00%
Dark Forest Capital Management LP	214	$8.87K	0.00%
Headlands Technologies LLC	127	$5.26K	0.00%
Baystate Wealth Management LLC	98	$4.06K	0.00%
GPS Wealth Strategies Group, LLC	31	$1.28K	0.00%
Lindbrook Capital, LLC	12	$497	0.00%
Advisory Services Network, LLC	4	$166	0.00%

Sold out (20)

Institutions that held AtriCure, Inc. at the end of Q4 2022 and filed for Q1 2023 without it.

Institutions that sold out of ATRC in Q1 2023
Institution	Shares, Q4 2022	Value, Q4 2022
T. Rowe Price Investment Management, Inc.	1,198,849	$53.2M
Adage Capital Partners GP, L.L.C.	200,000	$8.88M
Allianz Asset Management GmbH	45,187	$2.01M
TD Asset Management Inc	34,766	$1.54M
PDT Partners, LLC	26,638	$1.18M
Chartwell Investment Partners, LLC	20,590	$913.0K
Prelude Capital Management, LLC	12,362	$548.6K
Algert Global LLC	9,169	$406.9K
Dynamic Technology Lab Private Ltd	8,340	$371.0K
Aquatic Capital Management LLC	7,500	$333.0K
Caption Management, LLC	6,200	$275.2K
Point72 Middle East FZE	1,869	$82.9K
GWM Advisors LLC	681	$30.2K
Simplex Trading, LLC	500	$22.0K
MBM Wealth Consultants, LLC	73	$3.00K
JFS Wealth Advisors, LLC	9	$399
Ellevest, Inc.	7	$311
Comerica Securities,inc.	5	$222
SJS Investment Consulting Inc.	4	$178
AdvisorNet Financial, Inc	3	$133

Not filed for Q1 2023 yet (2)

Institutions that held AtriCure, Inc. at the end of Q4 2022 and haven't filed a 13F for Q1 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATRC in Q4 2022 that haven't filed for Q1 2023
Institution	Shares, Q4 2022	Value, Q4 2022
Rothschild & Co Asset Management US Inc.	84,504	$3.75M
Heritage Wealth Management, LLC	44	$1.95K