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 2022 vs. Q2 2022

How the institutions holding AtriCure, Inc. changed between Q2 2022 and Q3 2022.

All holders in Q3 2022 All holders in Q2 2022

13F holders of ATRC: Q2 2022 compared with Q3 2022
Measure	Q2 2022	Of which not filed for Q3 2022	Q3 2022	Change
Holders	215	1	214	0
Shares	44.4M	1.76K	44.7M	+261.9K (+0.6%)
Value	$1.82B	$72.0K	$1.75B	−$74.1M (−4.1%)

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held AtriCure, Inc. at the end of Q3 2022 but not at the end of Q2 2022.

Institutions new to ATRC in Q3 2022
Institution	Shares	Value	% of portfolio
T. Rowe Price Investment Management, Inc.	1,206,646	$47.2M	0.04%
Amundi	158,475	$6.37M	0.00%
AlphaCrest Capital Management LLC	19,752	$772.0K	0.05%
Susquehanna International Group, LLP	13,564	$530.0K	0.00%
Connor, Clark & Lunn Investment Management Ltd.	13,488	$527.0K	0.00%
Jane Street Group, LLC	12,704	$497.0K	0.00%
UBS Oconnor LLC	12,300	$481.0K	0.01%
Dynamic Technology Lab Private Ltd	11,764	$460.0K	0.05%
Walleye Capital LLC	8,807	$344.0K	0.01%
CenterBook Partners LP	6,887	$269.0K	0.05%
Snowden Capital Advisors LLC	6,599	$258.0K	0.01%
XTX Topco Ltd	5,986	$234.0K	0.06%
JustInvest LLC	5,630	$220.0K	0.01%
Mariner, LLC	5,378	$210.0K	0.00%
Simplex Trading, LLC	1,158	$45.0K	0.00%
Almanack Investment Partners, LLC.	1,098	$43.0K	0.01%
Brown Brothers Harriman & Co	598	$23.0K	0.00%
Wipfli Financial Advisors LLC,	80	$3.00K	0.00%
Bessemer Group Inc	62	$2.00K	0.00%
Steward Partners Investment Advisory, LLC	30	$1.00K	0.00%
Heritage Wealth Management, LLC	22	$1.00K	0.00%
Ellevest, Inc.	10	$0	0.00%
SJS Investment Consulting Inc.	2	$0	0.00%

Sold out (23)

Institutions that held AtriCure, Inc. at the end of Q2 2022 and filed for Q3 2022 without it.

Institutions that sold out of ATRC in Q3 2022
Institution	Shares, Q2 2022	Value, Q2 2022
Castleark Management LLC	87,881	$3.59M
Voloridge Investment Management, LLC	48,770	$1.99M
Duality Advisers, LP	34,781	$1.42M
Squarepoint Ops LLC	31,464	$1.29M
Point72 Asset Management, L.P.	24,400	$997.0K
HSBC Holdings PLC	17,325	$705.0K
Twinbeech Capital LP	14,007	$572.0K
Jump Financial, LLC	13,600	$556.0K
Schonfeld Strategic Advisors LLC	10,048	$411.0K
Janus Henderson Group PLC	8,691	$355.0K
Wesbanco Bank Inc	6,525	$267.0K
Baird Financial Group, Inc.	5,823	$238.0K
Prudential Financial Inc	5,299	$215.0K
ProShare Advisors LLC	5,121	$210.0K
Quantbot Technologies LP	2,875	$117.0K
First Manhattan Co	500	$20.0K
Prospera Financial Services Inc	194	$8.00K
Halpern Financial, Inc.	29	$1.19K
Moisand Fitzgerald Tamayo, LLC	16	$1.00K
Capital Advisors, Ltd. LLC	7	$0
Dark Forest Capital Management LP	2	$0
Steward Financial Group LLC	6	$0
HighTower Trust Services, LTA	6,432	–

Not filed for Q3 2022 yet (1)

Institutions that held AtriCure, Inc. at the end of Q2 2022 and haven't filed a 13F for Q3 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATRC in Q2 2022 that haven't filed for Q3 2022
Institution	Shares, Q2 2022	Value, Q2 2022
Fieldpoint Private Securities, LLC	1,759	$72.0K