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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, Q1 2024

Institutional positions in AtriCure, Inc. as of Mar 31, 2024. 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
224
−7 vs. Q4 2023
Shares held
49.7M
+2.52M (+5.3%) vs. Q4 2023
Total value
$1.51B
−$173.5M (−10.3%) vs. Q4 2023
New holders
33
84 more added
Sold out
40
81 more reduced

2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 224 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 heldQ1 2024: $1.51B
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, Q1 2024

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q4 2023.

Institutions holding ATRC in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,752,985$144.6M0.00%−13,044−0.3%Reduced
BlackRock Inc.4,231,058$128.7M0.00%+37,171+0.9%Added
Alliancebernstein L.P.3,652,741$111.1M0.04%+258,705+7.6%Added
Champlain Investment Partners, LLC2,681,000$81.6M0.47%+575,605+27.3%Added
FMR LLC2,477,275$75.4M0.01%+2,401,389+3,164.5%Added
Wellington Management Group LLP1,640,162$49.9M0.01%+310,705+23.4%Added
Macquarie Group Ltd1,413,225$43.0M0.05%−36,501−2.5%Reduced
First Light Asset Management, LLC1,382,860$42.1M3.22%+33,417+2.5%Added
Nuveen Asset Management, LLC1,373,944$41.8M0.01%+351,266+34.3%Added
State Street Corp1,186,673$36.1M0.00%−17,742−1.5%Reduced
Geode Capital Management, LLC1,060,839$32.3M0.00%+28,315+2.7%Added
Credit Suisse AG984,959$30.0M0.03%−5,422−0.5%Reduced
Dimensional Fund Advisors LP980,439$29.8M0.01%−20,722−2.1%Reduced
Morgan Stanley969,893$29.5M0.00%+475,115+96.0%Added
Marshall Wace, LLP961,359$29.2M0.05%+525,946+120.8%Added
Fiera Capital Corp907,775$27.6M0.08%+25,949+2.9%Added
TimesSquare Capital Management, LLC854,547$26.0M0.38%−121,563−12.5%Reduced
Loomis Sayles & Co L P808,425$24.6M0.03%−25,705−3.1%Reduced
GW&K Investment Management, LLC799,070$24.3M0.21%−6,039−0.8%Reduced
Neuberger Berman Group LLC787,973$24.0M0.02%+28,752+3.8%Added
Wasatch Advisors Inc720,677$21.9M0.11%+200,799+38.6%Added
Bank of America Corp603,573$18.4M0.00%+241,781+66.8%Added
Fred Alger Management, LLC558,570$17.0M0.08%−595,488−51.6%Reduced
JPMorgan Chase & Co471,012$14.3M0.00%+114,779+32.2%Added
Northern Trust Corp456,818$13.9M0.00%−8,344−1.8%Reduced
Emerald Advisers, LLC451,258$13.7M0.55%+4,978+1.1%Added
Bellevue Group AG447,376$13.6M0.21%−370,507−45.3%Reduced
Assenagon Asset Management S.A.444,801$13.5M0.04%+185,632+71.6%Added
Goldman Sachs Group Inc403,400$12.3M0.00%+47,799+13.4%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.377,822$11.5M0.03%−78,940−17.3%Reduced
Charles Schwab Investment Management Inc375,841$11.4M0.00%+8,690+2.4%Added
Millennium Management LLC359,742$10.9M0.01%−81,436−18.5%Reduced
Grandeur Peak Global Advisors, LLC345,030$10.5M0.83%+113,480+49.0%Added
Citadel Advisors LLC307,317$9.35M0.01%+1,468+0.5%Added
Bank of New York Mellon Corp305,984$9.31M0.00%+57,270+23.0%Added
Deutsche Bank AG301,525$9.17M0.00%+155,847+107.0%Added
Natixis300,000$9.13M0.05%+300,000New
Panagora Asset Management Inc286,111$8.70M0.05%+56,914+24.8%Added
Emerald Mutual Fund Advisers Trust271,814$8.27M0.43%−90,545−25.0%Reduced
DAFNA Capital Management LLC271,029$8.24M1.88%+145,500+115.9%Added
UBS Asset Management Americas Inc268,094$8.16M0.00%+5,079+1.9%Added
New York State Common Retirement Fund257,889$7.84M0.01%−120.0%Reduced
Kennedy Capital Management, Inc.227,193$6.91M0.14%+121,752+115.5%Added
Two Sigma Investments, LP226,179$6.88M0.02%+33,442+17.4%Added
WCM Investment Management, LLC222,843$6.78M0.02%+1,427+0.6%Added
Norges Bank218,833$6.66M0.00%−40,448−15.6%Reduced
Qube Research & Technologies Ltd214,232$6.52M0.01%−11,188−5.0%Reduced
Voloridge Investment Management, LLC210,647$6.41M0.02%+50,548+31.6%Added
State of Wisconsin Investment Board206,790$6.29M0.02%−25,050−10.8%Reduced
Amundi260,993$6.10M0.00%−37,894−12.7%Reduced
Two Sigma Advisers, LP191,000$5.81M0.01%+8,600+4.7%Added
Silvercrest Asset Management Group LLC190,550$5.80M0.04%−67,315−26.1%Reduced
Nicholas Company, Inc.177,420$5.40M0.09%+6,600+3.9%Added
Engineers Gate Manager LP171,091$5.20M0.14%+107,558+169.3%Added
D. E. Shaw & Co., Inc.155,195$4.72M0.01%+46,179+42.4%Added
Cubist Systematic Strategies, LLC152,931$4.65M0.05%−60,470−28.3%Reduced
Renaissance Technologies LLC152,200$4.63M0.01%+57,900+61.4%Added
Wells Fargo & Company144,672$4.40M0.00%−8,299−5.4%Reduced
Squarepoint Ops LLC130,375$3.97M0.02%−29,779−18.6%Reduced
Barclays PLC122,576$3.73M0.00%+41,281+50.8%Added
Envestnet Asset Management Inc117,941$3.59M0.00%+1,627+1.4%Added
Eagle Asset Management Inc119,760$3.48M0.02%−11,068−8.5%Reduced
Jump Financial, LLC112,703$3.43M0.09%+62,199+123.2%Added
Trexquant Investment LP106,899$3.25M0.06%+9,706+10.0%Added
Algert Global LLC100,840$3.07M0.12%+56,100+125.4%Added
Bridger Management, LLC99,795$3.04M1.37%+12,695+14.6%Added
Paradigm Capital Management Inc97,300$2.96M0.14%+2,450+2.6%Added
Swiss National Bank93,300$2.84M0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA89,658$2.73M0.00%−11,184−11.1%Reduced
Holocene Advisors, LP81,853$2.49M0.01%+81,853New
Allianz Asset Management GmbH77,662$2.36M0.00%+43,581+127.9%Added
Connor, Clark & Lunn Investment Management Ltd.76,906$2.34M0.01%+40,559+111.6%Added
Susquehanna International Group, LLP76,533$2.33M0.00%+31,419+69.6%Added
UBS Group AG72,093$2.19M0.00%+5,532+8.3%Added
Rhumbline Advisers70,359$2.14M0.00%+1,596+2.3%Added
Royal Bank of Canada69,695$2.12M0.00%−27,250−28.1%Reduced
Arrowstreet Capital, Limited Partnership69,025$2.10M0.00%+59,029+590.5%Added
Advisors Capital Management, LLC68,261$2.08M0.04%+4,108+6.4%Added
Brinker Capital Investments, LLC68,121$2.07M0.02%+14,360+26.7%Added
Orion Portfolio Solutions, LLC68,121$2.07M0.02%+14,360+26.7%Added
Knights of Columbus Asset Advisors LLC63,245$1.92M0.14%−60,295−48.8%Reduced
ExodusPoint Capital Management, LP61,517$1.87M0.02%−14,338−18.9%Reduced
HSBC Holdings PLC59,144$1.80M0.00%+35,226+147.3%Added
Millrace Asset Group, Inc.54,349$1.65M1.66%+54,349New
Franklin Resources Inc52,518$1.60M0.00%+32,256+159.2%Added
Sit Investment Associates Inc52,090$1.58M0.04%+5,365+11.5%Added
California State Teachers Retirement System47,315$1.44M0.00%−2,517−5.1%Reduced
Bridgewater Associates, LP46,009$1.40M0.01%+25,579+125.2%Added
Legal & General Group Plc45,205$1.38M0.00%+430+1.0%Added
Invesco Ltd.42,906$1.31M0.00%−1,119,144−96.3%Reduced
AQR Capital Management LLC42,487$1.29M0.00%+29,217+220.2%Added
Alberta Investment Management Corp39,494$1.20M0.01%+6,323+19.1%Added
Royce & Associates LP39,482$1.20M0.01%−57,700−59.4%Reduced
Canada Pension Plan Investment Board38,469$1.17M0.00%−9,431−19.7%Reduced
Jane Street Group, LLC37,704$1.15M0.00%−34,320−47.7%Reduced
HRT Financial LP36,183$1.10M0.01%+10,326+39.9%Added
Gsa Capital Partners LLP35,813$1.09M0.09%+14,194+65.7%Added
Bessemer Group Inc35,500$1.08M0.00%+8,120+29.7%Added
Aquatic Capital Management LLC33,800$1.03M0.03%+22,300+193.9%Added
Diversified Trust Co33,422$1.02M0.03%+6,139+22.5%Added