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ATRC Insider Trading

Insider Ownership Percentage: 3.50%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $1,648,142.34

AtriCure Insider Trading History Chart

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

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AtriCure Share Price & Price History

Current Price: $39.25
Price Change: ▲ Price Increase of +2.94 (8.10%)
As of 12/4/2025 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
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
11/17/2025Oberweis Asset Management Inc.153,500$5.41M0.2%N/A0.309%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC273,749$9.65M0.0%+1.5%0.551%Search for SEC Filing on Google Icon
11/17/2025Wasatch Advisors LP408,755$14.41M0.1%-19.3%0.822%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC17,752$0.63M0.0%+126.8%0.036%Search for SEC Filing on Google Icon
11/17/2025Susquehanna Fundamental Investments LLC75,922$2.68M0.1%-18.0%0.153%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd94,729$3.34M0.0%+203.6%0.191%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC353,260$12.45M0.0%-1.9%0.711%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.22,385$0.79M0.0%-15.6%0.045%Search for SEC Filing on Google Icon
11/17/2025First Light Asset Management LLC890,362$31.39M3.0%-12.3%1.791%Search for SEC Filing on Google Icon
11/17/2025Focus Partners Wealth19,880$0.69M0.0%+10.1%0.040%Search for SEC Filing on Google Icon
11/17/2025Divisadero Street Capital Management LP5,959$0.21M0.0%-82.3%0.012%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP13,607$0.48M0.0%-42.2%0.027%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE724,955$25.56M0.0%+2.1%1.458%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC23,015$0.81M0.0%N/A0.046%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC147,038$5.18M0.1%+162.2%0.296%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.3,558,592$125.44M0.0%-0.4%7.158%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.21,889$0.77M0.0%N/A0.044%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC12,022$0.42M0.0%N/A0.024%Search for SEC Filing on Google Icon
11/14/2025Creative Planning12,855$0.45M0.0%+6.7%0.026%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC46,841$1.65M0.0%+8.9%0.094%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.237,278$8.36M0.0%-6.0%0.477%Search for SEC Filing on Google Icon
11/14/2025Amundi219,376$7.62M0.0%-9.2%0.441%Search for SEC Filing on Google Icon
11/14/2025Deerfield Management Company L.P.87,569$3.09M0.0%+686.2%0.176%Search for SEC Filing on Google Icon
11/14/2025Man Group plc59,495$2.10M0.0%-27.8%0.120%Search for SEC Filing on Google Icon
11/14/2025Osterweis Capital Management Inc.322,080$11.35M0.5%+2.1%0.648%Search for SEC Filing on Google Icon
11/14/2025Scotia Capital Inc.37,677$1.33M0.0%+1.2%0.076%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC593,339$20.92M0.0%-50.7%1.193%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP452,875$15.96M0.0%+9.9%0.911%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC174,689$6.16M0.0%-6.6%0.351%Search for SEC Filing on Google Icon
11/14/2025Wellington Management Group LLP4,292,087$151.30M0.0%+8.1%8.633%Search for SEC Filing on Google Icon
11/13/2025Marshall Wace LLP559,172$19.71M0.0%-44.4%1.125%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC836,916$29.50M0.7%+36.2%1.683%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.126,241$4.45M0.0%-30.5%0.254%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG92,659$3.27M0.0%-20.2%0.186%Search for SEC Filing on Google Icon
11/13/2025Connor Clark & Lunn Investment Management Ltd.351,278$12.38M0.0%+32.9%0.707%Search for SEC Filing on Google Icon
11/13/2025Mackenzie Financial Corp12,914$0.46M0.0%-3.7%0.026%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.50,448$1.78M0.0%+6.3%0.101%Search for SEC Filing on Google Icon
11/13/2025Quadrant Capital Group LLC5,622$0.20M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank96,000$3.38M0.0%+1.6%0.193%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.8,121$0.29M0.0%-83.7%0.016%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP135,120$4.76M0.0%+1.7%0.272%Search for SEC Filing on Google Icon
11/13/2025Knott David M Jr48,000$1.69M0.7%+3.4%0.097%Search for SEC Filing on Google Icon
11/13/2025Neuberger Berman Group LLC1,191,111$41.97M0.0%+0.1%2.396%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC85,478$3.01M0.0%-15.0%0.172%Search for SEC Filing on Google Icon
11/12/2025Orion Porfolio Solutions LLC61,478$2.17M0.0%-3.3%0.124%Search for SEC Filing on Google Icon
11/12/2025GW&K Investment Management LLC861,035$30.35M0.3%-14.6%1.732%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP850,556$29.98M0.0%+3.7%1.711%Search for SEC Filing on Google Icon
11/12/2025Cresset Asset Management LLC10,423$0.37M0.0%-5.0%0.021%Search for SEC Filing on Google Icon
11/12/2025Champlain Investment Partners LLC1,978,213$69.73M0.5%-1.9%3.979%Search for SEC Filing on Google Icon
11/12/2025Aster Capital Management DIFC Ltd811$29K0.0%+197.1%0.002%Search for SEC Filing on Google Icon
11/12/2025R Squared Ltd7,582$0.27M0.1%N/A0.015%Search for SEC Filing on Google Icon
11/12/2025Diversify Wealth Management LLC9,303$0.32M0.0%-5.8%0.019%Search for SEC Filing on Google Icon
11/12/2025Hohimer Wealth Management LLC7,000$0.25M0.0%N/A0.014%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC20,225$0.71M0.0%-30.2%0.041%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.4,043$0.14M0.0%-18.2%0.008%Search for SEC Filing on Google Icon
11/10/2025Semanteon Capital Management LP16,001$0.56M0.7%N/A0.032%Search for SEC Filing on Google Icon
11/10/2025Citigroup Inc.57,085$2.01M0.0%+182.0%0.115%Search for SEC Filing on Google Icon
11/7/2025BNP PARIBAS ASSET MANAGEMENT Holding S.A.767,138$27.04M0.1%+1.5%1.543%Search for SEC Filing on Google Icon
11/7/2025Advisors Capital Management LLC174,040$6.14M0.1%+2.9%0.350%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP37,333$1.32M0.1%+15.9%0.075%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.4,840,894$170.64M0.0%-1.3%9.737%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.226,987$8M0.0%+9.0%0.457%Search for SEC Filing on Google Icon
11/7/2025PNC Financial Services Group Inc.6,188$0.22M0.0%+6.5%0.012%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers78,141$2.75M0.0%-2.9%0.157%Search for SEC Filing on Google Icon
11/6/2025Versor Investments LP15,135$0.53M0.1%N/A0.030%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC8,276$0.29M0.0%-16.6%0.017%Search for SEC Filing on Google Icon
11/5/2025Portside Wealth Group LLC6,093$0.22M0.0%-6.2%0.012%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.54,308$1.91M0.0%-7.1%0.109%Search for SEC Filing on Google Icon
11/4/2025Allianz Asset Management GmbH113,249$3.99M0.0%+2.2%0.228%Search for SEC Filing on Google Icon
11/4/2025WCM Investment Management LLC325,721$11.36M0.0%-0.5%0.655%Search for SEC Filing on Google Icon
11/4/2025Principal Financial Group Inc.31,086$1.10M0.0%-11.8%0.063%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC1,013$36K0.0%-92.6%0.002%Search for SEC Filing on Google Icon
10/31/2025Riverwater Partners LLC60,322$2.13M0.9%+79.2%0.121%Search for SEC Filing on Google Icon
10/31/2025Perkins Capital Management Inc.27,750$0.98M0.9%-4.6%0.056%Search for SEC Filing on Google Icon
10/31/2025Y Intercept Hong Kong Ltd7,517$0.27M0.0%N/A0.015%Search for SEC Filing on Google Icon
10/30/2025Strs Ohio12,200$0.43M0.0%-47.9%0.025%Search for SEC Filing on Google Icon
10/30/2025Universal Beteiligungs und Servicegesellschaft mbH208,609$7.35M0.0%+3.7%0.420%Search for SEC Filing on Google Icon
10/29/2025Verdence Capital Advisors LLC5,996$0.22M0.0%N/A0.012%Search for SEC Filing on Google Icon
10/27/2025First Horizon Corp1,198$42K0.0%N/A0.002%Search for SEC Filing on Google Icon
10/24/2025State of Alaska Department of Revenue2,871$0.10M0.0%N/A0.006%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC23,388$0.82M0.0%-53.5%0.047%Search for SEC Filing on Google Icon
10/23/2025KLP Kapitalforvaltning AS11,000$0.39M0.0%+15.8%0.022%Search for SEC Filing on Google Icon
10/20/2025VIRGINIA RETIREMENT SYSTEMS ET Al9,400$0.33M0.0%-3.1%0.019%Search for SEC Filing on Google Icon
10/20/2025Diversified Trust Co34,636$1.22M0.0%+2.1%0.070%Search for SEC Filing on Google Icon
10/16/2025Blue Trust Inc.11,970$0.42M0.0%-3.7%0.024%Search for SEC Filing on Google Icon
10/15/2025CWM LLC2,587$91K0.0%+36.6%0.005%Search for SEC Filing on Google Icon
10/15/2025Harbor Capital Advisors Inc.28,639$1.01M0.1%+6.8%0.058%Search for SEC Filing on Google Icon
10/14/2025Farther Finance Advisors LLC1,132$40K0.0%+1,818.6%0.002%Search for SEC Filing on Google Icon
10/9/2025Voya Investment Management LLC707,062$24.92M0.0%-0.5%1.423%Search for SEC Filing on Google Icon
9/4/2025Osaic Holdings Inc.2,350$77K0.0%-64.2%0.005%Search for SEC Filing on Google Icon
8/27/2025Squarepoint Ops LLC186,965$6.13M0.0%+64.7%0.376%Search for SEC Filing on Google Icon
8/25/2025Neuberger Berman Group LLC1,189,739$38.97M0.0%+0.3%2.394%Search for SEC Filing on Google Icon
8/18/2025Nomura Holdings Inc.19,909$0.65M0.0%N/A0.040%Search for SEC Filing on Google Icon
8/18/2025Geneos Wealth Management Inc.1,135$37K0.0%N/A0.002%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 5,492$0.18M0.0%+502.9%0.011%Search for SEC Filing on Google Icon
8/15/2025State of Tennessee Department of Treasury5,607$0.18M0.0%N/A0.011%Search for SEC Filing on Google Icon
8/15/2025Captrust Financial Advisors7,299$0.24M0.0%+8.9%0.015%Search for SEC Filing on Google Icon
8/15/2025Wasatch Advisors LP506,822$16.61M0.1%+3.1%1.020%Search for SEC Filing on Google Icon
8/15/2025Tidal Investments LLC14,138$0.46M0.0%-28.3%0.028%Search for SEC Filing on Google Icon
8/15/2025Man Group plc82,393$2.70M0.0%+38.2%0.166%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: $39.25
Low: $36.38
High: $39.73

50 Day Range

MA: $35.13
Low: $31.50
High: $39.25

52 Week Range

Now: $39.25
Low: $28.29
High: $43.11

Volume

1,003,679 shs

Average Volume

496,562 shs

Market Capitalization

$1.95 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.47

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

AtriCure's top insider investors include:
  1. Salvatore Privitera (Insider)
  2. Justin J Noznesky (Insider)
  3. Vinayak Doraiswamy (Insider)
  4. Karl S Dahlquist (Insider)
  5. Sven Wehrwein (Director)
  6. Regina E Groves (Director)
  7. Karen Prange (Director)
  8. 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. — 9.74%
  2. Wellington Management Group LLP — 8.63%
  3. Alliancebernstein L.P. — 7.16%
  4. Champlain Investment Partners LLC — 3.98%
  5. Neuberger Berman Group LLC — 2.40%
  6. First Light Asset Management LLC — 1.79%
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. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
  2. Marshall Wace LLP
  3. GW&K Investment Management LLC
  4. First Light Asset Management LLC
  5. Wasatch Advisors LP
  6. Vanguard Group Inc.
  7. Sei Investments Co.
  8. Russell Investments Group Ltd.
During the previous year, company insiders that have sold AtriCure company stock include:
  1. Salvatore Privitera (Insider)
  2. Justin J Noznesky (Insider)
  3. Vinayak Doraiswamy (Insider)
  4. Karl S Dahlquist (Insider)
  5. Sven Wehrwein (Director)
  6. 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. Wellington Management Group LLP
  2. Kennedy Capital Management LLC
  3. Oberweis Asset Management Inc.
  4. Algert Global LLC
  5. Connor Clark & Lunn Investment Management Ltd.
  6. Deerfield Management Company L.P.
  7. Qube Research & Technologies Ltd
  8. Two Sigma Investments LP