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AtriCure (ATRC) Institutional Ownership

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$28.29 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$28.30 +0.01 (+0.04%)
As of 05/22/2026 05:37 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for AtriCure (NASDAQ:ATRC)

Current
Institutional Ownership
Percentage
99.11%
Number of
Institutional Buyers
(last 12 months)
145
Total
Institutional Inflows
(last 12 months)
$203.84M
Number of
Institutional Sellers
(last 12 months)
84
Total
Institutional Outflows
(last 12 months)
$219.34M
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ATRC Institutional Buying and Selling by Quarter

AtriCure Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026 Bank of America Corp DE768,561$21.93M0.0%+13.7%1.518%
5/18/2026 Amundi225,932$6.45M0.0%-2.1%0.446%
5/18/2026 California State Teachers Retirement System59,947$1.71M0.0%+33.3%0.118%
5/18/2026 Royal Bank of Canada2,184$61K0.0%-30.5%0.004%
5/16/2026 Quantinno Capital Management LP9,726$277K0.0%N/A0.019%
5/16/2026 First Light Asset Management LLC729,521$20.81M1.9%-37.9%1.441%
5/16/2026 Lazard Asset Management LLC54,015$1.54M0.0%+8.6%0.107%
5/15/2026 Rice Hall James & Associates LLC25,210$719K0.0%N/A0.050%
5/15/2026 Entropy Technologies LP11,493$328K0.0%+26.5%0.023%
5/14/2026 Renaissance Technologies LLC308,700$8.81M0.0%-4.1%0.610%
5/14/2026 Arrowstreet Capital Limited Partnership277,682$7.92M0.0%N/A0.548%
5/14/2026 Caxton Associates LLP10,472$299K0.0%+52.1%0.021%
5/14/2026 Sei Investments Co.260,788$7.44M0.0%+64.7%0.515%
5/14/2026 State of Wyoming3,537$101K0.0%+87.7%0.007%
5/13/2026 First Trust Advisors LP189,285$5.40M0.0%+60.7%0.374%
5/7/2026 WCM Investment Management LLC359,761$10.17M0.0%-3.5%0.710%
5/7/2026 Dimensional Fund Advisors LP997,759$28.47M0.0%+8.2%1.970%
5/7/2026 Parallel Advisors LLC3,643$104K0.0%-10.2%0.007%
5/6/2026 Bessemer Group Inc.9,570$273K0.0%-71.1%0.019%
5/5/2026 Bank of New York Mellon Corp130,650$3.73M0.0%-3.6%0.258%
5/4/2026 Principal Financial Group Inc.64,296$1.83M0.0%+45.7%0.127%
5/2/2026 Diversify Wealth Management LLC11,631$318K0.0%+27.0%0.023%
5/2/2026 Valmark Advisers Inc.13,080$373K0.0%N/A0.026%
5/1/2026 Fifth Third Bancorp1,781$51K0.0%N/A0.004%
4/24/2026 Perkins Capital Management Inc.26,100$745K0.7%-4.9%0.052%
4/21/2026 Wasatch Advisors LP253,931$7.25M0.0%-28.2%0.502%
4/16/2026 SG Americas Securities LLC9,627$275K0.0%-74.0%0.019%
4/16/2026 Diversified Trust Co40,090$1.14M0.0%+7.1%0.079%
3/20/2026 Hsbc Holdings PLC17,224$686K0.0%+13.3%0.035%
3/17/2026 Rockefeller Capital Management L.P.3,983$158K0.0%+43.4%0.008%
2/19/2026 Invesco Ltd.74,435$2.95M0.0%+7.9%0.150%
2/18/2026 Mackenzie Financial Corp13,597$545K0.0%+5.3%0.027%
2/18/2026 XTX Topco Ltd11,069$438K0.0%+88.0%0.022%
2/18/2026 Voloridge Investment Management LLC220,290$8.72M0.0%-19.5%0.443%
2/18/2026 Wellington Management Group LLP3,917,991$155.00M0.1%-8.7%7.880%
2/18/2026 Susquehanna Portfolio Strategies LLC86,325$3.42M0.1%N/A0.174%
2/18/2026 Osterweis Capital Management Inc.203,575$8.05M0.3%-36.8%0.409%
2/18/2026 Millennium Management LLC163,795$6.48M0.0%-53.6%0.329%
2/18/2026 Man Group plc17,401$688K0.0%-70.8%0.035%
2/18/2026 Engineers Gate Manager LP58,479$2.31M0.0%+104.2%0.118%
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2/17/2026 PDT Partners LLC21,201$839K0.1%-10.5%0.043%
2/17/2026 AQR Capital Management LLC99,956$3.95M0.0%+18.8%0.201%
2/17/2026 Lazard Asset Management LLC49,719$1.97M0.0%+6.1%0.100%
2/17/2026 First Light Asset Management LLC1,175,445$46.50M3.6%+32.0%2.364%
2/17/2026 Trexquant Investment LP77,667$3.07M0.0%+16.8%0.156%
2/17/2026 Amundi230,852$9.13M0.0%+5.2%0.464%
2/17/2026 Jump Financial LLC16,664$659K0.0%-57.9%0.034%
2/17/2026 Price T Rowe Associates Inc. MD50,577$2.00M0.0%+4.4%0.102%
2/17/2026 Osaic Holdings Inc.7,184$284K0.0%+195.6%0.014%
2/17/2026 Adage Capital Partners GP L.L.C.110,210$4.36M0.0%-37.0%0.222%
2/17/2026 Russell Investments Group Ltd.14,864$588K0.0%+83.0%0.030%
2/17/2026 Kemnay Advisory Services Inc.2,892$114K0.0%N/A0.006%
2/17/2026 State of Wisconsin Investment Board164,199$6.50M0.0%-24.9%0.330%
2/17/2026 Captrust Financial Advisors7,944$314K0.0%+7.9%0.016%
2/17/2026 ExodusPoint Capital Management LP8,966$355K0.0%N/A0.018%
2/17/2026 Royal Bank of Canada3,144$124K0.0%-20.9%0.006%
2/17/2026 Graham Capital Management L.P.7,087$280K0.0%-38.3%0.014%
2/16/2026 Squarepoint Ops LLC85,803$3.39M0.0%-50.9%0.173%
2/16/2026 Verition Fund Management LLC11,301$447K0.0%-36.3%0.023%
2/16/2026 Panagora Asset Management Inc.226,575$8.96M0.0%+5.0%0.456%
2/16/2026 Kennedy Capital Management LLC837,326$33.13M0.7%+0.0%1.684%
2/16/2026 Entropy Technologies LP9,085$359K0.0%N/A0.018%
2/16/2026 Barclays PLC92,606$3.66M0.0%+8.3%0.186%
2/13/2026 Arete Wealth Advisors LLC5,600$222K0.0%N/A0.011%
2/13/2026 Marshall Wace LLP913,453$36.14M0.0%+63.4%1.837%
2/13/2026 Stifel Financial Corp11,750$465K0.0%N/A0.024%
2/13/2026 Neuberger Berman Group LLC1,086,326$43.00M0.0%-8.8%2.185%
2/13/2026 Smartleaf Asset Management LLC1,146$46K0.0%+59.8%0.002%
2/13/2026 Bridgefront Capital LLC12,506$495K0.1%N/A0.025%
2/13/2026 First Trust Advisors LP117,758$4.66M0.0%-12.8%0.237%
2/13/2026 OpenArc Corporate Advisory LLC44,084$1.74M0.0%N/A0.089%
2/13/2026 Champlain Investment Partners LLC1,173,605$46.43M0.5%-40.7%2.360%
2/13/2026 Charles Schwab Investment Management Inc.437,883$17.32M0.0%+2.3%0.881%
2/13/2026 State Street Corp1,242,374$49.15M0.0%-1.7%2.499%
2/13/2026 Dynamic Technology Lab Private Ltd13,013$515K0.1%+110.9%0.026%
2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC569,723$22.54M0.0%-4.0%1.146%
2/13/2026 Wells Fargo & Company MN101,486$4.02M0.0%+23.8%0.204%
2/12/2026 Wasatch Advisors LP353,877$14.00M0.1%-13.4%0.712%
2/12/2026 Jane Street Group LLC52,620$2.08M0.0%-46.2%0.106%
2/12/2026 Brooklyn Investment Group4,994$202K0.0%N/A0.010%
2/12/2026 Orion Porfolio Solutions LLC60,138$2.38M0.0%-2.2%0.121%
2/12/2026 MetLife Investment Management LLC26,954$1.07M0.0%-4.7%0.054%
2/12/2026 Renaissance Technologies LLC321,900$12.73M0.0%+24.4%0.647%
2/12/2026 Dimensional Fund Advisors LP921,897$36.47M0.0%+8.4%1.854%
2/12/2026 EntryPoint Capital LLC7,101$281K0.1%-38.4%0.014%
2/12/2026 Ensign Peak Advisors Inc4,115$163K0.0%-76.0%0.008%
2/12/2026 Campbell & CO Investment Adviser LLC23,082$913K0.0%N/A0.046%
2/12/2026 Knott David M Jr51,400$2.03M0.9%+7.1%0.103%
2/12/2026 Swiss National Bank98,000$3.88M0.0%+2.1%0.197%
2/12/2026 Nuveen LLC336,259$13.30M0.0%-39.6%0.676%
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2/11/2026 Deutsche Bank AG45,926$1.82M0.0%+2.8%0.092%
2/11/2026 GW&K Investment Management LLC952,089$37.67M0.3%+10.6%1.915%
2/11/2026 Fox Run Management L.L.C.14,225$563K0.1%N/A0.029%
2/11/2026 LPL Financial LLC20,907$827K0.0%+16.2%0.042%
2/11/2026 Franklin Resources Inc.52,283$2.07M0.0%+3.6%0.105%
2/11/2026 JPMorgan Chase & Co.179,600$7.11M0.0%-20.9%0.361%
2/11/2026 Parallel Advisors LLC4,059$161K0.0%-41.5%0.008%
2/11/2026 State of Wyoming1,884$75K0.0%N/A0.004%
2/10/2026 Goldman Sachs Group Inc.885,062$35.01M0.0%+13.9%1.780%
2/10/2026 Norges Bank214,016$8.47M0.0%N/A0.430%


ATRC Institutional Ownership - Frequently Asked Questions

During the previous two years, 243 institutional investors and hedge funds held shares of AtriCure. The most heavily invested institutionals were Vanguard Group Inc. ($193.99M), Wellington Management Group LLP ($155.00M), Alliancebernstein L.P. ($125.44M), Hood River Capital Management LLC ($100.31M), State Street Corp ($49.15M), Geode Capital Management LLC ($47.14M), and Champlain Investment Partners LLC ($46.43M).Learn more on AtriCure's institutional investors.

99.11% of AtriCure's stock is owned by institutional investors. Learn more on ATRC's institutional investor holdings.

Of the 220 institutional investors that purchased AtriCure's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Hood River Capital Management LLC ($1.93M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($1.39M), First Light Asset Management LLC ($970.61K), Nuveen LLC ($950.60K), Millennium Management LLC ($818.51K), Osterweis Capital Management Inc. ($617.69K), and Jennison Associates LLC ($593.27K).

Institutional investors have bought a total of 5,789,807 shares in the last 24 months. This purchase volume represents approximately $203.84M in transactions.

Of the 84 institutional investors that sold AtriCure's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Champlain Investment Partners LLC ($964.36K), First Light Asset Management LLC ($870.28K), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($633.14K), Marshall Wace LLP ($446.08K), Wellington Management Group LLP ($374.10K), Wasatch Advisors LP ($252.89K), and Nuveen LLC ($220.32K).

Institutional investors have sold a total of 6,129,148 shares in the last 24 months. This volume of shares sold represents approximately $219.34M in transactions.


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This page (NASDAQ:ATRC) was last updated on 5/26/2026 by MarketBeat.com Staff.
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