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ATRC Insider Trading

Insider Ownership Percentage: 3.50%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,564,760.34

AtriCure Insider Trading History Chart

This chart shows the insider buying and selling history at AtriCure by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

AtriCure Share Price & Price History

Current Price: $29.17
Price Change: ▲ Price Increase of +0.14 (0.48%)
As of 03/20/2026 05:00 PM ET

This chart shows the closing price history over time for ATRC up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

AtriCure Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/12/2026Vinayak DoraiswamyInsiderSell5,000$29.83$149,150.0096,875View SEC Filing Icon  
11/26/2025Justin J. NozneskyInsiderSell5,166$37.29$192,640.1478,798View SEC Filing Icon  
11/25/2025Sven WehrweinDirectorSell4,967$38.00$188,746.0034,374View SEC Filing Icon  
11/24/2025Sven WehrweinDirectorSell5,033$37.32$187,831.5634,374View SEC Filing Icon  
11/21/2025Maggie YuenDirectorSell3,000$35.72$107,160.0011,371View SEC Filing Icon  
9/12/2025Justin J. NozneskyInsiderSell3,000$36.30$108,900.0083,964View SEC Filing Icon  
8/22/2025Sven WehrweinDirectorSell5,000$37.00$185,000.0034,374View SEC Filing Icon  
8/19/2025Sven WehrweinDirectorSell5,000$36.00$180,000.0034,374View SEC Filing Icon  
8/6/2025Regina E. GrovesDirectorSell2,452$36.82$90,282.6433,715View SEC Filing Icon  
8/5/2025Vinayak DoraiswamyInsiderSell2,500$36.58$91,450.0071,872View SEC Filing Icon  
5/28/2025Vinayak DoraiswamyInsiderSell2,500$33.44$83,600.0073,550View SEC Filing Icon  
3/5/2025Karen PrangeDirectorSell6,100$38.12$232,532.0017,828View SEC Filing Icon  
8/15/2024Maggie YuenDirectorSell3,500$24.07$84,245.008,970View SEC Filing Icon  
5/30/2024Salvatore PriviteraInsiderBuy5,000$22.25$111,250.00103,290View SEC Filing Icon  
5/1/2024Justin J. NozneskyInsiderSell1,500$24.09$36,135.0071,284View SEC Filing Icon  
4/1/2024Justin J. NozneskyInsiderSell1,500$30.39$45,585.0072,784View SEC Filing Icon  
3/18/2024Karl S. DahlquistInsiderSell1,885$32.16$60,621.6050,954View SEC Filing Icon  
3/12/2024Justin J. NozneskyInsiderSell1,500$36.72$55,080.0074,284View SEC Filing Icon  
3/5/2024Karl S. DahlquistInsiderSell8,231$37.36$307,510.1652,839View SEC Filing Icon  
11/1/2023Karl S. DahlquistInsiderSell1,248$34.43$42,968.6430,789View SEC Filing Icon  
7/26/2023Karl S. DahlquistInsiderSell3,417$57.09$195,076.5332,037View SEC Filing Icon  
6/8/2023Karen PrangeDirectorSell713$47.89$34,145.5716,140View SEC Filing Icon  
6/6/2023Karl S. DahlquistInsiderSell1,422$47.03$66,876.6634,897View SEC Filing Icon  
5/26/2023Maggie YuenDirectorSell4,313$47.04$202,883.524,682View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for AtriCure (NASDAQ:ATRC)

99.11% of AtriCure stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ATRC by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

AtriCure Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/20/2026Hsbc Holdings PLC17,224$0.69M0.0%+13.3%0.035%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.3,983$0.16M0.0%+43.4%0.008%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.74,435$2.95M0.0%+7.9%0.150%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp13,597$0.55M0.0%+5.3%0.027%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd11,069$0.44M0.0%+88.0%0.022%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC220,290$8.72M0.0%-19.5%0.443%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP3,917,991$155M0.1%-8.7%7.880%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Portfolio Strategies LLC86,325$3.42M0.1%N/A0.174%Search for SEC Filing on Google Icon
2/18/2026Osterweis Capital Management Inc.203,575$8.05M0.3%-36.8%0.409%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC163,795$6.48M0.0%-53.6%0.329%Search for SEC Filing on Google Icon
2/18/2026Man Group plc17,401$0.69M0.0%-70.8%0.035%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP58,479$2.31M0.0%+104.2%0.118%Search for SEC Filing on Google Icon
2/17/2026PDT Partners LLC21,201$0.84M0.1%-10.5%0.043%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC99,956$3.95M0.0%+18.8%0.201%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC49,719$1.97M0.0%+6.1%0.100%Search for SEC Filing on Google Icon
2/17/2026First Light Asset Management LLC1,175,445$46.50M3.6%+32.0%2.364%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP77,667$3.07M0.0%+16.8%0.156%Search for SEC Filing on Google Icon
2/17/2026Amundi230,852$9.13M0.0%+5.2%0.464%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC16,664$0.66M0.0%-57.9%0.034%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD50,577$2M0.0%+4.4%0.102%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.7,184$0.28M0.0%+195.6%0.014%Search for SEC Filing on Google Icon
2/17/2026Adage Capital Partners GP L.L.C.110,210$4.36M0.0%-37.0%0.222%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.14,864$0.59M0.0%+83.0%0.030%Search for SEC Filing on Google Icon
2/17/2026Kemnay Advisory Services Inc.2,892$0.11M0.0%N/A0.006%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board164,199$6.50M0.0%-24.9%0.330%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors7,944$0.31M0.0%+7.9%0.016%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP8,966$0.36M0.0%N/A0.018%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada3,144$0.12M0.0%-20.9%0.006%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.7,087$0.28M0.0%-38.3%0.014%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC85,803$3.39M0.0%-50.9%0.173%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC11,301$0.45M0.0%-36.3%0.023%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.226,575$8.96M0.0%+5.0%0.456%Search for SEC Filing on Google Icon
2/16/2026Kennedy Capital Management LLC837,326$33.13M0.7%+0.0%1.684%Search for SEC Filing on Google Icon
2/16/2026Entropy Technologies LP9,085$0.36M0.0%N/A0.018%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC92,606$3.66M0.0%+8.3%0.186%Search for SEC Filing on Google Icon
2/13/2026Arete Wealth Advisors LLC5,600$0.22M0.0%N/A0.011%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP913,453$36.14M0.0%+63.4%1.837%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp11,750$0.47M0.0%N/A0.024%Search for SEC Filing on Google Icon
2/13/2026Neuberger Berman Group LLC1,086,326$43M0.0%-8.8%2.185%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC1,146$46K0.0%+59.8%0.002%Search for SEC Filing on Google Icon
2/13/2026Bridgefront Capital LLC12,506$0.50M0.1%N/A0.025%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP117,758$4.66M0.0%-12.8%0.237%Search for SEC Filing on Google Icon
2/13/2026OpenArc Corporate Advisory LLC44,084$1.74M0.0%N/A0.089%Search for SEC Filing on Google Icon
2/13/2026Champlain Investment Partners LLC1,173,605$46.43M0.5%-40.7%2.360%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.437,883$17.32M0.0%+2.3%0.881%Search for SEC Filing on Google Icon
2/13/2026State Street Corp1,242,374$49.15M0.0%-1.7%2.499%Search for SEC Filing on Google Icon
2/13/2026Dynamic Technology Lab Private Ltd13,013$0.52M0.1%+110.9%0.026%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC569,723$22.54M0.0%-4.0%1.146%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN101,486$4.02M0.0%+23.8%0.204%Search for SEC Filing on Google Icon
2/12/2026Wasatch Advisors LP353,877$14M0.1%-13.4%0.712%Search for SEC Filing on Google Icon
2/12/2026Jane Street Group LLC52,620$2.08M0.0%-46.2%0.106%Search for SEC Filing on Google Icon
2/12/2026Brooklyn Investment Group4,994$0.20M0.0%N/A0.010%Search for SEC Filing on Google Icon
2/12/2026Orion Porfolio Solutions LLC60,138$2.38M0.0%-2.2%0.121%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC26,954$1.07M0.0%-4.7%0.054%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC321,900$12.73M0.0%+24.4%0.647%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP921,897$36.47M0.0%+8.4%1.854%Search for SEC Filing on Google Icon
2/12/2026EntryPoint Capital LLC7,101$0.28M0.1%-38.4%0.014%Search for SEC Filing on Google Icon
2/12/2026Ensign Peak Advisors Inc4,115$0.16M0.0%-76.0%0.008%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC23,082$0.91M0.0%N/A0.046%Search for SEC Filing on Google Icon
2/12/2026Knott David M Jr51,400$2.03M0.9%+7.1%0.103%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank98,000$3.88M0.0%+2.1%0.197%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC336,259$13.30M0.0%-39.6%0.676%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG45,926$1.82M0.0%+2.8%0.092%Search for SEC Filing on Google Icon
2/11/2026GW&K Investment Management LLC952,089$37.67M0.3%+10.6%1.915%Search for SEC Filing on Google Icon
2/11/2026Fox Run Management L.L.C.14,225$0.56M0.1%N/A0.029%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC20,907$0.83M0.0%+16.2%0.042%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.52,283$2.07M0.0%+3.6%0.105%Search for SEC Filing on Google Icon
2/11/2026JPMorgan Chase & Co.179,600$7.11M0.0%-20.9%0.361%Search for SEC Filing on Google Icon
2/11/2026Parallel Advisors LLC4,059$0.16M0.0%-41.5%0.008%Search for SEC Filing on Google Icon
2/11/2026State of Wyoming1,884$75K0.0%N/A0.004%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.885,062$35.01M0.0%+13.9%1.780%Search for SEC Filing on Google Icon
2/10/2026Norges Bank214,016$8.47M0.0%N/A0.430%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC17,727$0.70M0.0%-12.4%0.036%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC1,191,498$47.14M0.0%+0.0%2.396%Search for SEC Filing on Google Icon
2/6/2026Global Retirement Partners LLC1,854$73K0.0%N/A0.004%Search for SEC Filing on Google Icon
2/6/2026PNC Financial Services Group Inc.5,095$0.20M0.0%-17.7%0.010%Search for SEC Filing on Google Icon
2/6/2026GSA Capital Partners LLP34,802$1.38M0.1%-6.8%0.070%Search for SEC Filing on Google Icon
2/6/2026Handelsbanken Fonder AB20,300$0.80M0.0%+25.3%0.041%Search for SEC Filing on Google Icon
2/6/2026ProShare Advisors LLC8,819$0.35M0.0%+6.6%0.018%Search for SEC Filing on Google Icon
2/4/2026VIRGINIA RETIREMENT SYSTEMS ET Al7,900$0.31M0.0%-16.0%0.016%Search for SEC Filing on Google Icon
2/4/2026Perkins Capital Management Inc.27,450$1.09M0.9%-1.1%0.055%Search for SEC Filing on Google Icon
2/4/2026Versor Investments LP10,500$0.42M0.1%-30.6%0.021%Search for SEC Filing on Google Icon
2/4/2026First Eagle Investment Management LLC116,609$4.61M0.0%N/A0.235%Search for SEC Filing on Google Icon
2/4/2026Nicholas Company Inc.205,505$8.13M0.1%+6.7%0.413%Search for SEC Filing on Google Icon
2/3/2026F m Investments LLC72,588$2.87M0.1%N/A0.146%Search for SEC Filing on Google Icon
2/2/2026Strs Ohio1,800$71K0.0%-85.2%0.004%Search for SEC Filing on Google Icon
1/30/2026M&T Bank Corp7,060$0.28M0.0%+14.7%0.014%Search for SEC Filing on Google Icon
1/29/2026Comerica Bank2,213$88K0.0%+121.1%0.004%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG104,060$4.12M0.0%+12.3%0.209%Search for SEC Filing on Google Icon
1/29/2026Advisors Capital Management LLC182,853$7.23M0.1%+5.1%0.368%Search for SEC Filing on Google Icon
1/29/2026Vanguard Group Inc.4,903,755$193.99M0.0%+1.3%9.863%Search for SEC Filing on Google Icon
1/28/2026Arizona State Retirement System13,743$0.54M0.0%-6.1%0.028%Search for SEC Filing on Google Icon
1/28/2026M&T Bank Corp13,431$0.53M0.0%+118.2%0.027%Search for SEC Filing on Google Icon
1/28/2026Universal Beteiligungs und Servicegesellschaft mbH193,274$7.65M0.0%-7.4%0.389%Search for SEC Filing on Google Icon
1/27/2026Zurcher Kantonalbank Zurich Cantonalbank 18,890$0.75M0.0%+16.5%0.038%Search for SEC Filing on Google Icon
1/27/2026First Horizon Corp2,260$89K0.0%+88.6%0.005%Search for SEC Filing on Google Icon
1/27/2026Oak Harvest Investment Services37,500$1.48M0.1%N/A0.075%Search for SEC Filing on Google Icon
1/23/2026Farther Finance Advisors LLC2,746$0.11M0.0%+142.6%0.006%Search for SEC Filing on Google Icon
1/22/2026Massachusetts Financial Services Co. MA511,213$20.22M0.0%+20.4%1.028%Search for SEC Filing on Google Icon
1/20/2026Stratos Wealth Advisors LLC5,472$0.22M0.0%N/A0.011%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
AtriCure logo
AtriCure, Inc. develops, manufactures, and sells devices for surgical ablation of cardiac tissue, exclusion of the left atrial appendage, and temporarily blocking pain by ablating peripheral nerves to medical centers in the United States, Europe, the Asia-Pacific, and internationally. The company offers Isolator Synergy Clamps, single-use disposable radio frequency products; multifunctional pens and linear ablation devices, such as the MAX Pen device that enables surgeons to evaluate cardiac arrhythmias, perform temporary cardiac pacing, sensing, and stimulation, and ablate cardiac tissue with the same device; and the Coolrail device, which enables users to make longer linear lines of ablation. It also provides cryoICE Cryoablation System that enables the user to make linear ablations of varied lengths; EPi-Sense Systems, a single-use disposable device used for the treatment of symptomatic, drug-refractory, and long-standing persistent atrial fibrillation; cryoSPHERE probe, which provides temporary pain relief by applying cryothermic energy to targeted intercoastal peripheral nerves in the ribcage; AtriClip System, an implantable device coupled to a single-use disposable applier; and LARIAT System, a suture-based solution for soft-tissue closure. In addition, the company sells Lumitip dissectors to separate tissues to provide access to key anatomical structures that are targeted for ablation; Glidepath guides for placement of clamps; Subtle Cannula's to support access for EPi-Sense catheters; and various reusable cardiac surgery instruments. It markets and sells its products through independent distributors and direct sales personnel. The company was incorporated in 2000 and is headquartered in Mason, Ohio.
Read More on AtriCure

Today's Range

Now: $29.17
Low: $28.42
High: $29.30

50 Day Range

MA: $34.04
Low: $28.85
High: $41.46

52 Week Range

Now: $29.17
Low: $28.29
High: $43.18

Volume

933,422 shs

Average Volume

630,429 shs

Market Capitalization

$1.45 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.42

Who are the company insiders with the largest holdings of AtriCure?

AtriCure's top insider investors include:
  1. Salvatore Privitera (Insider)
  2. Vinayak Doraiswamy (Insider)
  3. Justin J Noznesky (Insider)
  4. Sven Wehrwein (Director)
  5. Regina E Groves (Director)
  6. Karen Prange (Director)
  7. Maggie Yuen (Director)
Learn More about top insider investors at AtriCure.

Who are the major institutional investors of AtriCure?

AtriCure's top institutional investors include:
  1. Vanguard Group Inc. — 9.86%
  2. Wellington Management Group LLP — 7.88%
  3. State Street Corp — 2.50%
  4. Geode Capital Management LLC — 2.40%
  5. First Light Asset Management LLC — 2.36%
  6. Champlain Investment Partners LLC — 2.36%
Learn More about top institutional investors of AtriCure stock.

Which institutional investors are selling AtriCure stock?

Within the last quarter, ATRC stock was sold by these institutional investors:
  1. Champlain Investment Partners LLC
  2. Wellington Management Group LLP
  3. Nuveen LLC
  4. Millennium Management LLC
  5. Osterweis Capital Management Inc.
  6. Neuberger Berman Group LLC
  7. Squarepoint Ops LLC
  8. Adage Capital Partners GP L.L.C.
During the previous year, company insiders that have sold AtriCure company stock include:
  1. Salvatore Privitera (Insider)
  2. Vinayak Doraiswamy (Insider)
  3. Justin J Noznesky (Insider)
  4. Sven Wehrwein (Director)
  5. Regina E Groves (Director)
Learn More investors selling AtriCure stock.

Which institutional investors are buying AtriCure stock?

During the last quarter, ATRC stock was acquired by institutional investors including:
  1. Marshall Wace LLP
  2. First Light Asset Management LLC
  3. Norges Bank
  4. First Eagle Investment Management LLC
  5. Goldman Sachs Group Inc.
  6. GW&K Investment Management LLC
  7. Massachusetts Financial Services Co. MA
  8. Susquehanna Portfolio Strategies LLC