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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, Q4 2023

Institutional positions in AtriCure, Inc. as of Dec 31, 2023. 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
233
+6 vs. Q3 2023
Shares held
47.2M
+1.87M (+4.1%) vs. Q3 2023
Total value
$1.68B
−$301.7M (−15.2%) vs. Q3 2023
New holders
40
102 more added
Sold out
34
70 more reduced

4 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 233 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 heldQ4 2023: $1.68B
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, Q4 2023

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q3 2023.

Institutions holding ATRC in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,766,029$170.1M0.00%+76,146+1.6%Added
BlackRock Inc.4,193,887$149.7M0.00%+235,245+5.9%Added
Alliancebernstein L.P.3,394,036$121.1M0.05%+166,827+5.2%Added
Champlain Investment Partners, LLC2,105,395$75.1M0.45%+253,855+13.7%Added
Macquarie Group Ltd1,449,726$51.7M0.06%−8,775−0.6%Reduced
First Light Asset Management, LLC1,349,443$48.2M3.87%−139,964−9.4%Reduced
Wellington Management Group LLP1,329,457$47.4M0.01%+95,824+7.8%Added
State Street Corp1,204,415$43.0M0.00%+56,896+5.0%Added
Invesco Ltd.1,162,050$41.5M0.01%+127,579+12.3%Added
Fred Alger Management, LLC1,154,058$41.2M0.22%−281,756−19.6%Reduced
Geode Capital Management, LLC1,032,524$36.9M0.00%+46,117+4.7%Added
Nuveen Asset Management, LLC1,022,678$36.5M0.01%+3,608+0.4%Added
Dimensional Fund Advisors LP1,001,161$35.7M0.01%+9,176+0.9%Added
Credit Suisse AG990,381$35.3M0.03%−39,942−3.9%Reduced
TimesSquare Capital Management, LLC976,110$34.8M0.51%+71,275+7.9%Added
Fiera Capital Corp881,826$31.5M0.10%+193,769+28.2%Added
Hood River Capital Management LLC841,102$30.0M0.83%−6,240−0.7%Reduced
Loomis Sayles & Co L P834,130$29.8M0.05%−26,408−3.1%Reduced
Bellevue Group AG817,883$29.2M0.45%+70,323+9.4%Added
GW&K Investment Management, LLC805,109$28.7M0.27%−61,418−7.1%Reduced
Neuberger Berman Group LLC759,221$27.1M0.02%−4,796−0.6%Reduced
Wasatch Advisors Inc519,878$18.6M0.10%−43,410−7.7%Reduced
Morgan Stanley494,778$17.7M0.00%+242,079+95.8%Added
Northern Trust Corp465,162$16.6M0.00%−148,682−24.2%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.456,762$16.3M0.05%−38,711−7.8%Reduced
Emerald Advisers, LLC446,280$15.9M0.68%−52,692−10.6%Reduced
Millennium Management LLC441,178$15.7M0.01%−74,187−14.4%Reduced
Marshall Wace, LLP435,413$15.5M0.03%+66,752+18.1%Added
Soleus Capital Management, L.P.392,195$14.0M1.55%+86,195+28.2%Added
Price T Rowe Associates Inc373,761$13.3M0.00%−60,722−14.0%Reduced
Charles Schwab Investment Management Inc367,151$13.1M0.00%+4,165+1.1%Added
Emerald Mutual Fund Advisers Trust362,359$12.9M0.68%−49,041−11.9%Reduced
Bank of America Corp361,792$12.9M0.00%−39,026−9.7%Reduced
JPMorgan Chase & Co356,233$12.7M0.00%+34,223+10.6%Added
Goldman Sachs Group Inc355,601$12.7M0.00%+113,543+46.9%Added
Citadel Advisors LLC305,849$10.9M0.01%+210,251+219.9%Added
Amundi298,887$10.2M0.00%+90,129+43.2%Added
UBS Asset Management Americas Inc263,015$9.39M0.00%−13,100−4.7%Reduced
Norges Bank259,281$9.25M0.00%−14,351−5.2%Reduced
Assenagon Asset Management S.A.259,169$9.25M0.03%+56,761+28.0%Added
New York State Common Retirement Fund257,901$9.20M0.01%+30,280+13.3%Added
Silvercrest Asset Management Group LLC257,865$9.20M0.07%+55,115+27.2%Added
Bank of New York Mellon Corp248,714$8.88M0.00%−40,858−14.1%Reduced
State of Wisconsin Investment Board231,840$8.27M0.02%+118,358+104.3%Added
Grandeur Peak Global Advisors, LLC231,550$8.26M0.58%+231,550New
Panagora Asset Management Inc229,197$8.18M0.05%+63,079+38.0%Added
WCM Investment Management, LLC221,416$8.13M0.02%+15,820+7.7%Added
Qube Research & Technologies Ltd225,420$8.05M0.02%+124,223+122.8%Added
Cubist Systematic Strategies, LLC213,401$7.62M0.09%+130,522+157.5%Added
Two Sigma Investments, LP192,737$6.88M0.02%−24,594−11.3%Reduced
Two Sigma Advisers, LP182,400$6.51M0.02%−57,000−23.8%Reduced
Nicholas Company, Inc.170,820$6.10M0.11%+23,195+15.7%Added
Squarepoint Ops LLC160,154$5.72M0.02%+86,012+116.0%Added
Voloridge Investment Management, LLC160,099$5.71M0.02%+108,600+210.9%Added
Wells Fargo & Company152,971$5.46M0.00%+37,564+32.5%Added
Deutsche Bank AG145,678$5.20M0.00%+117,225+412.0%Added
Eagle Asset Management Inc130,828$4.67M0.03%+49,528+60.9%Added
DAFNA Capital Management LLC125,529$4.48M1.07%00.0%Unchanged
Knights of Columbus Asset Advisors LLC123,540$4.41M0.28%+77,055+165.8%Added
Envestnet Asset Management Inc116,314$4.15M0.00%−676−0.6%Reduced
Walleye Capital LLC113,081$4.04M0.06%+113,081New
D. E. Shaw & Co., Inc.109,016$3.89M0.01%+37,266+51.9%Added
Kennedy Capital Management, Inc.105,441$3.76M0.08%+18,362+21.1%Added
Thornburg Investment Management Inc103,215$3.68M0.05%−10,818−9.5%Reduced
BNP Paribas Arbitrage, SA100,842$3.60M0.01%+22,388+28.5%Added
Trexquant Investment LP97,193$3.47M0.08%+65,026+202.2%Added
Royce & Associates LP97,182$3.47M0.03%−500−0.5%Reduced
Royal Bank of Canada96,945$3.46M0.00%+10,858+12.6%Added
Paradigm Capital Management Inc94,850$3.39M0.18%+7,650+8.8%Added
Renaissance Technologies LLC94,300$3.37M0.01%−47,100−33.3%Reduced
Swiss National Bank93,300$3.33M0.00%−10,500−10.1%Reduced
Bridger Management, LLC87,100$3.11M1.19%+87,100New
Barclays PLC81,295$2.90M0.00%+61,580+312.4%Added
FMR LLC75,886$2.71M0.00%−26,543−25.9%Reduced
ExodusPoint Capital Management, LP75,855$2.71M0.03%+40,739+116.0%Added
Jane Street Group, LLC72,024$2.57M0.00%+72,024New
Oberweis Asset Management Inc69,100$2.47M0.23%+21,800+46.1%Added
Rhumbline Advisers68,763$2.45M0.00%−418−0.6%Reduced
State of New Jersey Common Pension Fund D68,188$2.43M0.01%+16,168+31.1%Added
UBS Group AG66,561$2.38M0.00%+34,367+106.7%Added
Advisors Capital Management, LLC64,153$2.29M0.05%+6,930+12.1%Added
Engineers Gate Manager LP63,533$2.27M0.06%+13,417+26.8%Added
Ameriprise Financial Inc58,208$2.08M0.00%+58,208New
Healthcare of Ontario Pension Plan Trust Fund56,849$2.03M0.01%+56,849New
Brinker Capital Investments, LLC53,761$1.88M0.02%−17,393−24.4%Reduced
Orion Portfolio Solutions, LLC53,761$1.88M0.02%−17,393−24.4%Reduced
Jump Financial, LLC50,504$1.80M0.06%+6,355+14.4%Added
California State Teachers Retirement System49,832$1.78M0.00%−2,222−4.3%Reduced
Canada Pension Plan Investment Board47,900$1.71M0.00%+47,900New
Sit Investment Associates Inc46,725$1.67M0.04%00.0%Unchanged
Decheng Capital LLC46,259$1.65M0.46%+46,259New
Susquehanna International Group, LLP45,114$1.61M0.00%+33,973+304.9%Added
Legal & General Group Plc44,775$1.60M0.00%−191−0.4%Reduced
Algert Global LLC44,740$1.60M0.06%+4,570+11.4%Added
SEI Investments Co42,705$1.52M0.00%−44,782−51.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.36,347$1.30M0.01%+16,259+80.9%Added
Allianz Asset Management GmbH34,081$1.22M0.00%+34,081New
Putnam Investments LLC33,708$1.20M0.00%+6,196+22.5%Added
Alberta Investment Management Corp33,171$1.18M0.01%+33,171New
Prelude Capital Management, LLC32,464$1.16M0.10%+20,738+176.9%Added