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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, Q3 2024

Institutional positions in AtriCure, Inc. as of Sep 30, 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
202
+6 vs. Q2 2024
Shares held
49.4M
+3.50M (+7.6%) vs. Q2 2024
Total value
$1.39B
+$340.8M (+32.6%) vs. Q2 2024
New holders
40
58 more added
Sold out
34
79 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 202 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 heldQ3 2024: $1.39B
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, Q3 2024

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q2 2024.

Institutions holding ATRC in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.4,305,835$120.7M0.00%+4,305,835New
Vanguard Group Inc4,659,781$130.7M0.00%+37,848+0.8%Added
Fiera Capital Corp0$00.00%−918,207−100.0%Sold out
Bellevue Group AG0$00.00%−212,559−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−150,000−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−87,974−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−39,188−100.0%Sold out
Knights of Columbus Asset Advisors LLC0$00.00%−33,234−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−24,535−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−22,019−100.0%Sold out
Quantbot Technologies LP0$00.00%−21,468−100.0%Sold out
Stifel Financial Corp0$00.00%−20,221−100.0%Sold out
Man Group plc0$00.00%−18,570−100.0%Sold out
Deerfield Management Company, L.P. (Series C)0$00.00%−17,068−100.0%Sold out
Colony Group, LLC0$00.00%−16,140−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−16,682−100.0%Sold out
Wesbanco Bank Inc0$00.00%−15,525−100.0%Sold out
Centiva Capital, LP0$00.00%−10,959−100.0%Sold out
Oppenheimer Asset Management Inc.0$00.00%−10,462−100.0%Sold out
Harbert Fund Advisors, Inc.0$00.00%−10,000−100.0%Sold out
Mount Yale Investment Advisors, LLC0$00.00%−9,743−100.0%Sold out
Virtus Investment Advisers, Inc.0$00.00%−4,205−100.0%Sold out
Lazard Asset Management LLC0$00.00%−2,940−100.0%Sold out
Virtus Fund Advisers, LLC0$00.00%−810−100.0%Sold out
Quarry LP0$00.00%−451−100.0%Sold out
Opal Wealth Advisors, LLC0$00.00%−318−100.0%Sold out
Caption Management, LLC0$00.00%−270−100.0%Sold out
Ashton Thomas Private Wealth, LLC0$00.00%−188−100.0%Sold out
Massmutual Trust Co FSB0$00.00%−76−100.0%Sold out
Stephens Consulting, LLC0$00.00%−51−100.0%Sold out
Valley National Advisers Inc0$00.00%−50−100.0%Sold out
Innealta Capital, LLC0$00.00%−33−100.0%Sold out
Park Place Capital Corp0$00.00%−31−100.0%Sold out
Continuum Advisory, LLC0$00.00%−24−100.0%Sold out
GWM Advisors LLC0$00.00%−10−100.0%Sold out
Global Retirement Partners, LLC0$00.00%−7−100.0%Sold out
BlackRock Inc.––––Not filed
Kent Lake Capital LLC––––Not filed