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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, Q4 2021

Institutional positions in AtriCure, Inc. as of Dec 31, 2021. 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
217
+5 vs. Q3 2021
Shares held
44.1M
+759.5K (+1.8%) vs. Q3 2021
Total value
$3.07B
+$50.2M (+1.7%) vs. Q3 2021
New holders
33
72 more added
Sold out
28
77 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 217 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 heldQ4 2021: $3.07B
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, Q4 2021

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q3 2021.

Institutions holding ATRC in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,234,298$294.4M0.01%+49,371+1.2%Added
BlackRock Inc.3,714,691$258.3M0.01%+61,430+1.7%Added
Alliancebernstein L.P.3,455,856$240.3M0.09%+544,296+18.7%Added
Fred Alger Management, LLC3,240,847$225.3M0.56%−113,839−3.4%Reduced
Invesco Ltd.2,437,617$169.5M0.04%+162,718+7.2%Added
Price T Rowe Associates Inc1,945,751$135.3M0.01%−70,745−3.5%Reduced
Champlain Investment Partners, LLC1,218,550$84.7M0.38%−1,970−0.2%Reduced
Credit Suisse AG1,211,722$84.3M0.07%+73,376+6.4%Added
Macquarie Group Ltd1,131,621$78.7M0.07%+37,911+3.5%Added
First Light Asset Management, LLC1,004,989$69.9M5.00%+357,797+55.3%Added
State Street Corp1,000,384$69.6M0.00%−4,997−0.5%Reduced
Millennium Management LLC990,170$68.8M0.08%+655,861+196.2%Added
TimesSquare Capital Management, LLC921,210$64.1M0.57%−29,400−3.1%Reduced
Loomis Sayles & Co L P864,478$60.1M0.07%−23,316−2.6%Reduced
Geode Capital Management, LLC812,048$56.5M0.01%−3,580−0.4%Reduced
GW&K Investment Management, LLC781,130$54.3M0.45%−6,559−0.8%Reduced
Fiera Capital Corp736,938$51.2M0.12%−27,865−3.6%Reduced
Eagle Asset Management Inc728,254$49.9M0.22%−82,373−10.2%Reduced
Dimensional Fund Advisors LP670,420$46.6M0.01%−8,140−1.2%Reduced
Polar Capital Holdings Plc526,758$36.6M0.19%+10,848+2.1%Added
Bank of America Corp513,850$35.7M0.00%+3,195+0.6%Added
Nuveen Asset Management, LLC500,776$34.8M0.01%+65,874+15.1%Added
Bellevue Group AG498,556$34.7M0.36%+80,540+19.3%Added
Neuberger Berman Group LLC503,280$34.4M0.03%+364+0.1%Added
Northern Trust Corp482,130$33.5M0.01%−6,842−1.4%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.461,270$32.1M0.11%+29,582+6.9%Added
Norges Bank442,072$30.7M0.01%+104,186+30.8%Added
Emerald Mutual Fund Advisers Trust437,979$30.5M1.07%−49,483−10.2%Reduced
Bank of New York Mellon Corp429,403$29.9M0.01%+168,693+64.7%Added
Emerald Advisers, LLC395,563$27.5M1.01%−8,426−2.1%Reduced
Wellington Management Group LLP382,395$26.6M0.00%−365−0.1%Reduced
Pura Vida Investments, LLC376,131$26.2M2.73%−103,162−21.5%Reduced
Citadel Advisors LLC363,643$25.3M0.03%−137,054−27.4%Reduced
Charles Schwab Investment Management Inc323,963$22.5M0.01%+6,839+2.2%Added
UBS Asset Management Americas Inc299,032$20.8M0.01%+7,516+2.6%Added
Peregrine Capital Management LLC262,298$18.2M0.37%+20,129+8.3%Added
Sectoral Asset Management Inc231,214$16.1M2.42%−114,803−33.2%Reduced
New York State Common Retirement Fund225,613$15.7M0.02%−278−0.1%Reduced
Wasatch Advisors Inc221,783$15.4M0.06%−356−0.2%Reduced
Driehaus Capital Management LLC211,605$14.7M0.15%−6,948−3.2%Reduced
State of Wisconsin Investment Board200,000$13.9M0.03%+4,400+2.2%Added
Principal Financial Group Inc162,095$11.3M0.01%+57,951+55.6%Added
Wells Fargo & Company154,226$10.7M0.00%+12,741+9.0%Added
ExodusPoint Capital Management, LP150,528$10.5M0.13%+150,528New
Silvercrest Asset Management Group LLC148,754$10.3M0.07%+755+0.5%Added
Castleark Management LLC132,336$9.20M0.34%−13,630−9.3%Reduced
Thornburg Investment Management Inc123,325$8.57M0.10%−24,699−16.7%Reduced
WCM Investment Management, LLC120,055$8.35M0.02%+6,641+5.9%Added
Man Group plc117,349$8.16M0.03%−16,845−12.6%Reduced
Rothschild & Co Asset Management US Inc.117,037$8.14M0.10%−7,758−6.2%Reduced
Granahan Investment Management Inc114,287$7.95M0.16%−4,588−3.9%Reduced
Point72 Asset Management, L.P.104,486$7.26M0.03%+104,486New
Royce & Associates LP102,982$7.16M0.05%−3,518−3.3%Reduced
Oak Ridge Investments LLC100,568$6.99M0.59%−1,699−1.7%Reduced
Tamarack Advisers, LP100,000$6.95M2.87%−17,000−14.5%Reduced
Nicholas Company, Inc.97,810$6.80M0.11%+97,810New
Swiss National Bank95,700$6.65M0.00%00.0%Unchanged
SEI Investments Co93,642$6.50M0.01%−65,920−41.3%Reduced
Brinker Capital Investments, LLC93,055$6.47M0.09%−8,230−8.1%Reduced
Putnam Investments LLC87,624$6.09M0.01%+21,055+31.6%Added
Kennedy Capital Management, Inc.87,248$6.07M0.13%+39,357+82.2%Added
Paradigm Capital Management Inc87,200$6.06M0.27%00.0%Unchanged
Royal Bank of Canada85,560$5.95M0.00%+6,458+8.2%Added
TD Asset Management Inc79,705$5.54M0.00%+24,755+45.1%Added
Panagora Asset Management Inc76,822$5.34M0.03%+44,759+139.6%Added
DAFNA Capital Management LLC72,029$5.01M1.26%00.0%Unchanged
Deutsche Bank AG66,420$4.62M0.00%−1,285−1.9%Reduced
Voloridge Investment Management, LLC64,834$4.51M0.02%+15,667+31.9%Added
JPMorgan Chase & Co63,290$4.40M0.00%+30,576+93.5%Added
California State Teachers Retirement System61,304$4.26M0.00%+1,672+2.8%Added
Envestnet Asset Management Inc58,556$4.07M0.00%+2,630+4.7%Added
Goldman Sachs Group Inc56,025$3.90M0.00%−27,357−32.8%Reduced
Barclays PLC54,378$3.78M0.00%+22,379+69.9%Added
Crestline Management, LP53,409$3.71M0.28%+53,409New
Rhumbline Advisers51,503$3.58M0.00%−590−1.1%Reduced
Morgan Stanley49,450$3.44M0.00%−84−0.2%Reduced
Bridgewater Associates, LP48,856$3.40M0.02%+6,926+16.5%Added
Cinctive Capital Management LP46,863$3.26M0.15%−6,376−12.0%Reduced
D. E. Shaw & Co., Inc.42,425$2.95M0.00%+12,677+42.6%Added
Perkins Capital Management Inc38,350$2.67M1.80%00.0%Unchanged
Legal & General Group Plc37,507$2.61M0.00%+108+0.3%Added
Parametric Portfolio Associates LLC36,778$2.56M0.00%+1,318+3.7%Added
State of New Jersey Common Pension Fund D36,175$2.52M0.01%−85−0.2%Reduced
Sit Investment Associates Inc35,025$2.44M0.06%+1,100+3.2%Added
Advisors Capital Management, LLC34,007$2.37M0.06%+2,958+9.5%Added
SG Americas Securities, LLC32,206$2.24M0.01%+22,049+217.1%Added
First Republic Investment Management, Inc.31,666$2.20M0.00%−782−2.4%Reduced
Verition Fund Management LLC29,361$2.04M0.03%+29,361New
Prudential Financial Inc26,288$1.86M0.00%+20,453+350.5%Added
Genesee Capital Advisors, LLC25,911$1.80M0.86%−1,655−6.0%Reduced
Endurant Capital Management LP24,253$1.69M0.46%+24,253New
Old Mission Capital LLC24,236$1.69M0.08%+24,236New
American International Group, Inc.23,808$1.66M0.01%−713−2.9%Reduced
LPL Financial LLC23,495$1.63M0.00%−909−3.7%Reduced
First Trust Advisors LP23,306$1.62M0.00%−11,357−32.8%Reduced
Raymond James & Associates22,574$1.57M0.00%−2,197−8.9%Reduced
Manufacturers Life Insurance Company, The22,701$1.57M0.00%−239−1.0%Reduced
Midwest Wealth Management Inc.22,109$1.54M0.96%+1,865+9.2%Added
Stifel Financial Corp20,887$1.45M0.00%−605−2.8%Reduced
Truist Financial Corp20,877$1.45M0.00%+907+4.5%Added