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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.

13F holders, Q3 2024

Institutional positions in AtriCure, Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
202
+6 vs. Q2 2024
Shares held
49.4M
+3.50M (+7.6%) vs. Q2 2024
Total value
$1.39B
+$340.8M (+32.6%) vs. Q2 2024
New holders
40
58 more added
Sold out
34
79 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATRC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 202 institutions
Q1 2021: 191 institutionsQ2 2021: 212 institutionsQ3 2021: 214 institutionsQ4 2021: 217 institutionsQ1 2022: 218 institutionsQ2 2022: 215 institutionsQ3 2022: 214 institutionsQ4 2022: 212 institutionsQ1 2023: 225 institutionsQ2 2023: 224 institutionsQ3 2023: 231 institutionsQ4 2023: 233 institutionsQ1 2024: 224 institutionsQ2 2024: 198 institutionsQ3 2024: 202 institutionsQ4 2024: 213 institutionsQ1 2025: 221 institutionsQ2 2025: 202 institutionsQ3 2025: 223 institutionsQ4 2025: 234 institutionsQ1 2026: 224 institutionsQ2 2026: 251 institutions
Value heldQ3 2024: $1.39B
Q1 2021: $2.92BQ2 2021: $3.51BQ3 2021: $3.02BQ4 2021: $3.07BQ1 2022: $2.89BQ2 2022: $1.82BQ3 2022: $1.75BQ4 2022: $2.02BQ1 2023: $1.86BQ2 2023: $2.22BQ3 2023: $1.99BQ4 2023: $1.68BQ1 2024: $1.51BQ2 2024: $1.16BQ3 2024: $1.39BQ4 2024: $1.42BQ1 2025: $1.62BQ2 2025: $1.60BQ3 2025: $1.70BQ4 2025: $1.93BQ1 2026: $1.46BQ2 2026: $1.47B
Institutions holding ATRC and their total value by quarter
QuarterHoldersValue
Q2 2026251$1.47B
Q1 2026224$1.46B
Q4 2025234$1.93B
Q3 2025223$1.70B
Q2 2025202$1.60B
Q1 2025221$1.62B
Q4 2024213$1.42B
Q3 2024202$1.39B
Q2 2024198$1.16B
Q1 2024224$1.51B
Q4 2023233$1.68B
Q3 2023231$1.99B
Q2 2023224$2.22B
Q1 2023225$1.86B
Q4 2022212$2.02B
Q3 2022214$1.75B
Q2 2022215$1.82B
Q1 2022218$2.89B
Q4 2021217$3.07B
Q3 2021214$3.02B
Q2 2021212$3.51B
Q1 2021191$2.92B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q2 2024.

Institutions holding ATRC in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,659,781$130.7M0.00%+37,848+0.8%Added
BlackRock, Inc.4,305,835$120.7M0.00%+4,305,835New
Alliancebernstein L.P.3,972,448$111.4M0.04%−232,531−5.5%Reduced
Hood River Capital Management LLC2,830,600$79.4M1.28%+1,055,357+59.4%Added
Champlain Investment Partners, LLC2,790,758$78.3M0.47%+115,813+4.3%Added
Macquarie Group Ltd2,384,816$66.9M0.07%+386,767+19.4%Added
First Light Asset Management, LLC1,865,536$52.3M4.35%−99,167−5.0%Reduced
Wellington Management Group LLP1,543,896$43.3M0.01%+6,045+0.4%Added
State Street Corp1,344,856$37.7M0.00%+63,002+4.9%Added
Divisadero Street Capital Management, LP1,295,706$36.3M4.67%+1,295,706New
Nuveen Asset Management, LLC1,186,932$33.3M0.01%+4,504+0.4%Added
Geode Capital Management, LLC1,152,628$32.3M0.00%+32,676+2.9%Added
UBS Asset Management Americas Inc1,022,654$28.7M0.01%−9,838−1.0%Reduced
GW&K Investment Management, LLC1,019,018$28.6M0.24%+262,644+34.7%Added
FMR LLC973,456$27.3M0.00%−1,138,897−53.9%Reduced
Neuberger Berman Group LLC942,135$26.4M0.02%+73,698+8.5%Added
Wasatch Advisors Inc769,252$21.6M0.11%−20,562−2.6%Reduced
Two Sigma Investments, LP717,784$20.1M0.05%+74,754+11.6%Added
Two Sigma Advisers, LP664,100$18.6M0.04%+84,700+14.6%Added
DAFNA Capital Management LLC641,673$18.0M4.25%+2,500+0.4%Added
Bank of America Corp599,510$16.8M0.00%−90,880−13.2%Reduced
Kennedy Capital Management, Inc.579,932$16.3M0.36%+71,305+14.0%Added
Dimensional Fund Advisors LP564,197$15.8M0.00%−141,502−20.1%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.500,649$14.0M0.03%+119,929+31.5%Added
Marshall Wace, LLP451,690$12.7M0.02%+3,749+0.8%Added
Northern Trust Corp433,454$12.2M0.00%−2,239−0.5%Reduced
Goldman Sachs Group Inc422,498$11.8M0.00%−161,281−27.6%Reduced
Charles Schwab Investment Management Inc394,584$11.1M0.00%+5,812+1.5%Added
Emerald Advisers, LLC389,836$10.9M0.42%+38,421+10.9%Added
Voloridge Investment Management, LLC389,670$10.9M0.04%−114,060−22.6%Reduced
Morgan Stanley383,809$10.8M0.00%−7,644−2.0%Reduced
Millennium Management LLC354,145$9.93M0.01%−598,620−62.8%Reduced
Grandeur Peak Global Advisors, LLC329,269$9.23M0.77%−43,915−11.8%Reduced
Panagora Asset Management Inc298,896$8.38M0.04%−10,651−3.4%Reduced
Amundi301,848$8.25M0.00%−27,234−8.3%Reduced
Silvercrest Asset Management Group LLC267,604$7.50M0.05%−1,540−0.6%Reduced
JPMorgan Chase & Co255,144$7.15M0.00%−70,003−21.5%Reduced
Bank of New York Mellon Corp251,463$7.05M0.00%−42,223−14.4%Reduced
Emerald Mutual Fund Advisers Trust249,504$7.00M0.36%−5,737−2.2%Reduced
Assenagon Asset Management S.A.229,130$6.42M0.01%+138,046+151.6%Added
WCM Investment Management, LLC215,586$6.08M0.01%−8,417−3.8%Reduced
State of Wisconsin Investment Board209,571$5.88M0.01%+4,336+2.1%Added
Connor, Clark & Lunn Investment Management Ltd.185,819$5.21M0.03%+52,533+39.4%Added
Nicholas Company, Inc.177,500$4.98M0.08%+800.0%Added
Eagle Asset Management Inc120,483$4.51M0.02%+2,662+2.3%Added
Citadel Advisors LLC158,743$4.45M0.00%+5,036+3.3%Added
Norges Bank158,444$4.44M0.00%−25,868−14.0%Reduced
Squarepoint Ops LLC156,679$4.39M0.01%−70,197−30.9%Reduced
Balyasny Asset Management LLC154,920$4.34M0.01%+154,920New
Deutsche Bank AG148,406$4.16M0.00%−144,628−49.4%Reduced
Russell Investments Group, Ltd.144,437$4.05M0.01%+144,375+232,862.9%Added
Lighthouse Investment Partners, LLC131,711$3.69M0.20%+131,711New
Barclays PLC129,265$3.62M0.00%−174,803−57.5%Reduced
D. E. Shaw & Co., Inc.117,296$3.29M0.00%+11,711+11.1%Added
Paradigm Capital Management Inc107,300$3.01M0.13%00.0%Unchanged
SEI Investments Co101,138$2.84M0.00%+62,822+164.0%Added
Renaissance Technologies LLC98,100$2.75M0.00%−73,600−42.9%Reduced
Wells Fargo & Company95,281$2.67M0.00%−53,871−36.1%Reduced
Swiss National Bank95,100$2.67M0.00%00.0%Unchanged
Advisors Capital Management, LLC88,952$2.49M0.04%−1,645−1.8%Reduced
Allianz Asset Management GmbH87,477$2.45M0.00%00.0%Unchanged
Algert Global LLC87,412$2.45M0.07%−3,510−3.9%Reduced
Calamos Advisors LLC86,524$2.43M0.01%+86,524New
Sit Investment Associates Inc85,990$2.41M0.05%00.0%Unchanged
Jump Financial, LLC83,174$2.33M0.05%−9,036−9.8%Reduced
Trexquant Investment LP77,331$2.17M0.03%+37,052+92.0%Added
AQR Capital Management LLC75,317$2.11M0.00%+16,579+28.2%Added
SG Capital Management LLC72,589$2.04M0.29%+72,589New
Millrace Asset Group, Inc.71,708$2.01M2.04%+1,660+2.4%Added
Healthcare of Ontario Pension Plan Trust Fund71,000$1.99M0.00%+71,000New
Rhumbline Advisers70,765$1.98M0.00%−2,171−3.0%Reduced
HighMark Wealth Management LLC70,225$1.97M1.08%+500+0.7%Added
Royce & Associates LP64,785$1.82M0.02%+4,800+8.0%Added
Atom Investors LP62,095$1.74M0.18%+62,095New
Engineers Gate Manager LP61,216$1.72M0.03%−100,057−62.0%Reduced
Arizona PSPRS Trust59,103$1.66M0.07%+59,103New
Franklin Resources Inc56,843$1.57M0.00%+484+0.9%Added
Altium Capital Management LP54,000$1.51M0.45%+54,000New
Legal & General Group Plc49,846$1.40M0.00%+4,363+9.6%Added
Envestnet Asset Management Inc48,190$1.35M0.00%−69,526−59.1%Reduced
HRT Financial LP47,986$1.34M0.01%+18,692+63.8%Added
Gilder Gagnon Howe & Co LLC47,323$1.33M0.02%+47,323New
California State Teachers Retirement System45,705$1.28M0.00%−1,409−3.0%Reduced
UBS Group AG44,545$1.25M0.00%−36,804−45.2%Reduced
Invesco Ltd.43,313$1.21M0.00%−181−0.4%Reduced
Bessemer Group Inc41,625$1.17M0.00%+5,989+16.8%Added
Brinker Capital Investments, LLC40,621$1.14M0.01%−40,829−50.1%Reduced
Orion Portfolio Solutions, LLC40,621$1.14M0.01%−40,829−50.1%Reduced
Price T Rowe Associates Inc40,329$1.13M0.00%+471+1.2%Added
Diversified Trust Co39,731$1.11M0.03%+4,751+13.6%Added
Aquatic Capital Management LLC39,000$1.09M0.03%+39,000New
Citigroup Inc34,445$965.8K0.00%+2,329+7.3%Added
B. Metzler seel. Sohn & Co. AG31,366$879.5K0.01%00.0%Unchanged
B. Metzler seel. Sohn & Co. Holding AG31,366$879.5K0.01%+31,366New
ExodusPoint Capital Management, LP30,418$853.0K0.01%−36,603−54.6%Reduced
Perkins Capital Management Inc29,950$839.8K0.79%−500−1.6%Reduced
G2 Investment Partners Management LLC27,692$776.5K0.22%+27,692New
MetLife Investment Management27,413$768.7K0.00%−909−3.2%Reduced
Nebula Research & Development LLC27,066$758.9K0.09%−27,301−50.2%Reduced
Decheng Capital LLC26,797$751.4K0.18%00.0%Unchanged