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AtriCure (ATRC) Institutional Ownership

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$56.87 -0.41 (-0.72%)
Closing price 10/13/2026 04:00 PM Eastern
Extended Trading
$56.87 0.00 (0.00%)
As of 10/13/2026 07:30 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)
148
Total
Institutional Inflows
(last 12 months)
$389.34M
Number of
Institutional Sellers
(last 12 months)
70
Total
Institutional Outflows
(last 12 months)
$198.74M
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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
10/13/2026NorthCrest Asset Manangement LLC5,633$298K0.0%N/A0.011%
10/8/2026Farther Finance Advisors LLC1,172$66K0.0%-16.8%0.002%
10/6/2026Moody National Bank Trust Division3,828$215K0.0%N/A0.008%
9/9/2026First Light Asset Management LLC567,838$15.89M1.0%-22.2%1.116%
9/9/2026Tidal Investments LLC19,091$534K0.0%+46.2%0.038%
9/9/2026WINTON GROUP Ltd35,800$1.00M0.0%N/A0.070%
9/9/2026Engineers Gate Manager LP48,160$1.35M0.0%+12.3%0.095%
9/9/2026Integrated Wealth Concepts LLC1,634$46K0.0%N/A0.003%
9/8/2026Allworth Financial LP1,527$43K0.0%+372.8%0.003%
9/8/2026Arizona State Retirement System13,273$371K0.0%-2.8%0.026%
8/26/2026Amundi264,854$7.41M0.0%+17.2%0.521%
8/26/2026HighTower Advisors LLC8,490$238K0.0%N/A0.017%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al17,200$481K0.0%N/A0.034%
8/22/2026Three Seasons Wealth LLC7,152$200K0.0%N/A0.014%
8/20/2026Grandeur Peak Global Advisors LLC587,399$16.44M4.0%+53.8%1.155%
8/20/2026Headlands Technologies LLC10,064$282K0.0%N/A0.020%
8/20/2026Susquehanna Fundamental Investments LLC50,484$1.41M0.0%N/A0.099%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC131,853$3.69M0.0%-76.2%0.259%
8/19/2026Wellington Management Group LLP3,495,603$97.81M0.0%+3.3%6.872%
8/18/2026Grandeur Peak Global Advisors LLC587,399$16.44M3.3%N/A1.155%
8/17/2026Bank of America Corp DE874,370$24.47M0.0%N/A1.719%
8/15/2026Man Group plc24,443$684K0.0%N/A0.048%
8/15/2026Jupiter Topco LLC22,883$640K0.0%N/A0.045%
8/15/2026Meros Investment Management LP170,000$4.76M0.0%N/A0.334%
8/14/2026Canada Pension Plan Investment Board14,100$395K0.0%N/A0.028%
8/14/2026Osterweis Capital Management Inc.501,355$14.03M0.7%N/A0.986%
8/14/2026Legal & General Group Plc39,893$1.12M0.0%N/A0.078%
8/14/2026The Manufacturers Life Insurance Company24,985$699K0.0%N/A0.049%
8/14/2026Paradigm Capital Management Inc. NY123,100$3.44M0.1%N/A0.242%
8/14/2026Algert Global LLC14,239$398K0.0%-65.1%0.028%
8/13/2026Sanctuary Advisors LLC17,515$490K0.0%N/A0.034%
8/13/2026Connor Clark & Lunn Investment Management Ltd.335,541$9.39M0.0%N/A0.660%
8/13/2026Globeflex Capital L P4,496$126K0.0%N/A0.009%
8/12/2026Commerce Bank11,445$320K0.0%N/A0.022%
8/12/2026Emerald Investment Advisers LLC79,102$2.21M0.1%N/A0.155%
8/12/2026Ieq Capital LLC41,484$1.16M0.0%N/A0.082%
8/11/2026Allworth Financial LP1,527$43K0.0%N/A0.003%
8/11/2026B. Metzler seel. Sohn & Co. AG49,876$1.40M0.0%N/A0.098%
8/11/2026Advisors Capital Management LLC174,496$4.88M0.1%N/A0.343%
8/10/2026Diversify Advisory Services LLC11,993$448K0.0%N/A0.024%
Federal Reserve Reveals Disturbing New Plan To Control Your Money (Ad)

Docket No. OP-1670 is drawing attention for what it reveals about the Federal Reserve's next move. Buried on page 84 is a plan that could expand oversight of checking accounts, purchases, and money transfers across the country. Martin D. Weiss, PhD, founder of Weiss Ratings, breaks down what this document means and why it could roll out as soon as this summer.tc pixel

Watch the video to learn how this plan could affect you
8/7/2026BlackRock Inc.4,474,548$125.20M0.0%N/A8.797%
8/7/2026Deutsche Bank AG59,668$1.67M0.0%N/A0.117%
8/7/2026Rice Hall James & Associates LLC134,207$3.76M0.2%N/A0.264%
8/6/2026Global Retirement Partners LLC1,874$52K0.0%N/A0.004%
8/6/2026Bank of New York Mellon Corp141,275$3.95M0.0%N/A0.278%
7/10/2026Wasatch Advisors LP233,604$6.54M0.0%-8.0%0.461%
7/10/2026Handelsbanken Fonder AB22,800$638K0.0%+12.3%0.045%
7/9/2026First Bank & Trust8,874$248K0.0%-4.4%0.018%
7/9/2026Tactive Advisors LLC13,367$374K0.1%N/A0.026%
7/8/2026Assenagon Asset Management S.A.62,334$1.74M0.0%N/A0.123%
7/7/2026Harbor Investment Advisory LLC1,426$40K0.0%N/A0.003%
5/19/2026Bank of America Corp DE768,561$21.93M0.0%+13.7%1.518%
5/18/2026Amundi225,932$6.45M0.0%-2.1%0.446%
5/18/2026California State Teachers Retirement System59,947$1.71M0.0%+33.3%0.118%
5/18/2026Royal Bank of Canada2,184$61K0.0%-30.5%0.004%
5/16/2026Quantinno Capital Management LP9,726$277K0.0%N/A0.019%
5/16/2026First Light Asset Management LLC729,521$20.81M1.9%-37.9%1.441%
5/16/2026Lazard Asset Management LLC54,015$1.54M0.0%+8.6%0.107%
5/15/2026Rice Hall James & Associates LLC25,210$719K0.0%N/A0.050%
5/15/2026Entropy Technologies LP11,493$328K0.0%+26.5%0.023%
5/14/2026Renaissance Technologies LLC308,700$8.81M0.0%-4.1%0.610%
5/14/2026Arrowstreet Capital Limited Partnership277,682$7.92M0.0%N/A0.548%
5/14/2026Caxton Associates LLP10,472$299K0.0%+52.1%0.021%
5/14/2026Sei Investments Co.260,788$7.44M0.0%+64.7%0.515%
5/14/2026State of Wyoming3,537$101K0.0%+87.7%0.007%
5/13/2026First Trust Advisors LP189,285$5.40M0.0%+60.7%0.374%
5/7/2026WCM Investment Management LLC359,761$10.17M0.0%-3.5%0.710%
5/7/2026Dimensional Fund Advisors LP997,759$28.47M0.0%+8.2%1.970%
5/7/2026Parallel Advisors LLC3,643$104K0.0%-10.2%0.007%
5/6/2026Bessemer Group Inc.9,570$273K0.0%-71.1%0.019%
5/5/2026Bank of New York Mellon Corp130,650$3.73M0.0%-3.6%0.258%
5/4/2026Principal Financial Group Inc.64,296$1.83M0.0%+45.7%0.127%
5/2/2026Diversify Wealth Management LLC11,631$318K0.0%+27.0%0.023%
5/2/2026Valmark Advisers Inc.13,080$373K0.0%N/A0.026%
5/1/2026Fifth Third Bancorp1,781$51K0.0%N/A0.004%
4/24/2026Perkins Capital Management Inc.26,100$745K0.7%-4.9%0.052%
4/21/2026Wasatch Advisors LP253,931$7.25M0.0%-28.2%0.502%
4/16/2026SG Americas Securities LLC9,627$275K0.0%-74.0%0.019%
4/16/2026Diversified Trust Co40,090$1.14M0.0%+7.1%0.079%
3/20/2026Hsbc Holdings PLC17,224$686K0.0%+13.3%0.035%
3/17/2026Rockefeller Capital Management L.P.3,983$158K0.0%+43.4%0.008%
2/19/2026Invesco Ltd.74,435$2.95M0.0%+7.9%0.150%
2/18/2026Mackenzie Financial Corp13,597$545K0.0%+5.3%0.027%
2/18/2026XTX Topco Ltd11,069$438K0.0%+88.0%0.022%
2/18/2026Voloridge Investment Management LLC220,290$8.72M0.0%-19.5%0.443%
2/18/2026Wellington Management Group LLP3,917,991$155.00M0.1%-8.7%7.880%
2/18/2026Susquehanna Portfolio Strategies LLC86,325$3.42M0.1%N/A0.174%
2/18/2026Osterweis Capital Management Inc.203,575$8.05M0.3%-36.8%0.409%
2/18/2026Millennium Management LLC163,795$6.48M0.0%-53.6%0.329%
2/18/2026Man Group plc17,401$688K0.0%-70.8%0.035%
Federal Reserve Reveals Disturbing New Plan To Control Your Money (Ad)

Docket No. OP-1670 is drawing attention for what it reveals about the Federal Reserve's next move. Buried on page 84 is a plan that could expand oversight of checking accounts, purchases, and money transfers across the country. Martin D. Weiss, PhD, founder of Weiss Ratings, breaks down what this document means and why it could roll out as soon as this summer.tc pixel

Watch the video to learn how this plan could affect you
2/18/2026Engineers Gate Manager LP58,479$2.31M0.0%+104.2%0.118%
2/17/2026PDT Partners LLC21,201$839K0.1%-10.5%0.043%
2/17/2026AQR Capital Management LLC99,956$3.95M0.0%+18.8%0.201%
2/17/2026Lazard Asset Management LLC49,719$1.97M0.0%+6.1%0.100%
2/17/2026First Light Asset Management LLC1,175,445$46.50M3.6%+32.0%2.364%
2/17/2026Trexquant Investment LP77,667$3.07M0.0%+16.8%0.156%
2/17/2026Amundi230,852$9.13M0.0%+5.2%0.464%
2/17/2026Jump Financial LLC16,664$659K0.0%-57.9%0.034%
2/17/2026Price T Rowe Associates Inc. MD50,577$2.00M0.0%+4.4%0.102%
2/17/2026Osaic Holdings Inc.7,184$284K0.0%+195.6%0.014%


ATRC Institutional Ownership - Frequently Asked Questions

During the previous two years, 256 institutional investors and hedge funds held shares of AtriCure. The most heavily invested institutionals were Vanguard Group Inc. ($193.99M), Alliancebernstein L.P. ($125.44M), BlackRock Inc. ($125.20M), Hood River Capital Management LLC ($100.31M), Wellington Management Group LLP ($97.81M), State Street Corp ($49.15M), and Geode Capital Management LLC ($47.14M).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 235 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: BlackRock Inc. ($4.47M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($1.39M), Osterweis Capital Management Inc. ($1.12M), Bank of America Corp DE ($1.08M), Nuveen LLC ($950.60K), Grandeur Peak Global Advisors LLC ($792.90K), and Jennison Associates LLC ($593.27K).

Institutional investors have bought a total of 12,681,917 shares in the last 24 months. This purchase volume represents approximately $389.38M in transactions.

Of the 70 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: UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($1.06M), Champlain Investment Partners LLC ($843.15K), First Light Asset Management LLC ($732.42K), Marshall Wace LLP ($446.08K), Wellington Management Group LLP ($374.10K), Wasatch Advisors LP ($273.22K), and Nuveen LLC ($220.32K).

Institutional investors have sold a total of 5,592,868 shares in the last 24 months. This volume of shares sold represents approximately $198.74M in transactions.


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Institutional ownership data for NASDAQ:ATRC is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/13/2026. New 13F filings are added each quarter as they're published.
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