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 2023 vs. Q1 2023

How the institutions holding AtriCure, Inc. changed between Q1 2023 and Q2 2023.

All holders in Q2 2023 All holders in Q1 2023

13F holders of ATRC: Q1 2023 compared with Q2 2023
Measure	Q1 2023	Of which not filed for Q2 2023	Q2 2023	Change
Holders	225	1	224	0
Shares	44.7M	22	45.1M	+352.1K (+0.8%)
Value	$1.86B	$912	$2.22B	+$364.0M (+19.6%)

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held AtriCure, Inc. at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to ATRC in Q2 2023
Institution	Shares	Value	% of portfolio
Prudential Financial Inc	100,518	$4.96M	0.01%
Millrace Asset Group, Inc.	55,359	$2.73M	2.86%
Algert Global LLC	39,080	$1.93M	0.08%
Twinbeech Capital LP	22,366	$1.10M	0.02%
Harbor Capital Advisors, Inc.	17,850	$881.1K	0.18%
Point72 Middle East FZE	11,611	$573.1K	0.03%
Mackenzie Financial Corp	10,720	$524.4K	0.00%
Bessemer Group Inc	9,952	$491.0K	0.00%
Prelude Capital Management, LLC	7,959	$392.9K	0.03%
Acadian Asset Management LLC	7,352	$362.0K	0.00%
Verition Fund Management LLC	7,328	$361.7K	0.01%
Cresset Asset Management, LLC	6,870	$339.1K	0.00%
Y-Intercept (Hong Kong) Ltd	6,019	$297.1K	0.03%
Virtu Financial LLC	4,627	$228.0K	0.02%
NorthCrest Asset Manangement, LLC	4,320	$213.2K	0.01%
Gotham Asset Management, LLC	4,318	$213.1K	0.00%
Mather Group, LLC.	3,212	$158.5K	0.00%
BerganKDV Wealth Management, LLC	3,000	$148.1K	0.01%
Foster Dykema Cabot & Co Inc	137	$7.00K	0.00%
Hillsdale Investment Management Inc.	70	$3.46K	0.00%
Gradient Investments LLC	12	$592	0.00%
25 LLC	10	$534	0.00%
Comerica Bank	16,099	$96	0.01%

Sold out (23)

Institutions that held AtriCure, Inc. at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of ATRC in Q2 2023
Institution	Shares, Q1 2023	Value, Q1 2023
Peregrine Capital Management LLC	161,646	$6.70M
HRT Financial LP	78,800	$3.27M
Pura Vida Investments, LLC	56,219	$2.33M
Jefferies Financial Group Inc.	52,910	$2.19M
Numerai GP LLC	36,901	$1.53M
Campbell & CO Investment Adviser LLC	23,700	$982.4K
SG Americas Securities, LLC	14,438	$598.0K
XTX Topco Ltd	10,185	$422.2K
CM Wealth Advisors LLC	9,924	$419.0K
Axq Capital, LP	7,676	$318.2K
Versor Investments LP	6,522	$270.3K
Bridgefront Capital, LLC	6,240	$258.6K
Armistice Capital, LLC	5,899	$244.5K
Walleye Capital LLC	5,385	$223.2K
CenterBook Partners LP	5,193	$215.3K
Quarry LP	490	$20.3K
Dark Forest Capital Management LP	214	$8.87K
Headlands Technologies LLC	127	$5.26K
Belpointe Asset Management LLC	108	$4.48K
TCI Wealth Advisors, Inc.	106	$4.39K
Advisory Services Network, LLC	4	$166
Schubert & Co	1	$42
Steward Financial Group LLC	6	$0

Not filed for Q2 2023 yet (1)

Institutions that held AtriCure, Inc. at the end of Q1 2023 and haven't filed a 13F for Q2 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATRC in Q1 2023 that haven't filed for Q2 2023
Institution	Shares, Q1 2023	Value, Q1 2023
Harvest Group Wealth Management, LLC	22	$912