Skip to main content

AtriCure, Inc.

ATRC
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001323885

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 2021 vs. Q1 2021

How the institutions holding AtriCure, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of ATRC: Q1 2021 compared with Q2 2021
MeasureQ1 2021Q2 2021Change
Holders191212+21
Shares44.6M44.3M−281.4K (−0.6%)
Value$2.92B$3.51B+$595.2M (+20.4%)

New holders (41)

Institutions that held AtriCure, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to ATRC in Q2 2021
InstitutionSharesValue% of portfolio
Thornburg Investment Management Inc140,138$11.1M0.13%
Castleark Management LLC113,801$9.03M0.30%
Renaissance Technologies LLC68,600$5.44M0.01%
Lisanti Capital Growth, LLC66,970$5.31M0.66%
Putnam Investments LLC57,231$4.54M0.01%
Bridgewater Associates, LP43,424$3.44M0.02%
EAM Investors, LLC32,987$2.62M0.40%
Millennium Management LLC32,848$2.61M0.00%
Two Sigma Advisers, LP25,500$2.02M0.01%
M&G Investment Management Ltd21,297$1.68M0.01%
Jump Financial, LLC20,732$1.65M0.16%
STRS Ohio19,600$1.55M0.01%
Engineers Gate Manager LP15,373$1.22M0.08%
Zacks Investment Management13,925$1.10M0.02%
Twinbeech Capital LP13,246$1.05M0.13%
Natixis Advisors, L.P.12,916$1.02M0.00%
ETF Managers Group, LLC11,132$883.0K0.01%
Cubist Systematic Strategies, LLC10,487$832.0K0.01%
Federated Hermes, Inc.10,474$831.0K0.00%
American Century Companies Inc9,034$717.0K0.00%
Schonfeld Strategic Advisors LLC7,900$627.0K0.01%
Banque Cantonale Vaudoise7,626$605.0K0.03%
Advisory Services Network, LLC6,575$522.0K0.02%
Connor, Clark & Lunn Investment Management Ltd.6,426$510.0K0.00%
Voloridge Investment Management, LLC6,004$476.0K0.00%
HSBC Holdings PLC5,861$467.0K0.00%
Prelude Capital Management, LLC4,085$324.0K0.02%
Squarepoint Ops LLC3,586$284.0K0.00%
Fulton Bank, N.A.2,825$224.0K0.01%
MML Investors Services, LLC2,794$222.0K0.00%
Arrowstreet Capital, Limited Partnership2,800$222.0K0.00%
Dark Forest Capital Management LP2,541$202.0K0.09%
Point72 Hong Kong Ltd1,176$93.0K0.01%
State of Wyoming1,068$85.0K0.05%
Optimum Investment Advisors500$40.0K0.01%
Exos Asset Management LLC349$28.0K0.01%
Central Trust Co297$24.0K0.00%
Simplex Trading, LLC81$6.00K0.00%
Manchester Capital Management LLC35$3.00K0.00%
Signaturefd, LLC21$2.00K0.00%
Glassman Wealth Services2$00.00%

Sold out (20)

Institutions that held AtriCure, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.