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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 2022

Institutional positions in AtriCure, Inc. as of Mar 31, 2022. 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
218
+2 vs. Q4 2021
Shares held
44.1M
−28.0K (−0.1%) vs. Q4 2021
Total value
$2.89B
−$172.0M (−5.6%) vs. Q4 2021
New holders
28
77 more added
Sold out
26
85 more reduced

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 2022: 218 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 2022: $2.89B
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 2022

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q4 2021.

Institutions holding ATRC in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Fiera Capital Corp726,855$47.7M0.12%−10,083−1.4%Reduced
Eagle Asset Management Inc730,059$47.9M0.25%+1,805+0.2%Added
TimesSquare Capital Management, LLC732,310$48.1M0.54%−188,900−20.5%Reduced
Millennium Management LLC750,844$49.3M0.06%−239,326−24.2%Reduced
GW&K Investment Management, LLC776,447$51.0M0.45%−4,683−0.6%Reduced
Geode Capital Management, LLC812,179$53.3M0.01%+1310.0%Added
Loomis Sayles & Co L P925,039$60.7M0.08%+60,561+7.0%Added
State Street Corp1,016,850$66.8M0.00%+16,466+1.6%Added
Credit Suisse AG1,121,394$73.6M0.06%−90,328−7.5%Reduced
Macquarie Group Ltd1,156,743$76.0M0.07%+25,122+2.2%Added
Champlain Investment Partners, LLC1,275,820$83.8M0.43%+57,270+4.7%Added
First Light Asset Management, LLC1,364,812$89.6M7.91%+359,823+35.8%Added
Price T Rowe Associates Inc1,884,271$123.7M0.01%−61,480−3.2%Reduced
Fred Alger Management, LLC2,759,355$181.2M0.58%−481,492−14.9%Reduced
Invesco Ltd.2,865,409$188.2M0.05%+427,792+17.5%Added
BlackRock Inc.3,645,696$239.4M0.01%−68,995−1.9%Reduced
Alliancebernstein L.P.3,812,414$250.4M0.10%+356,558+10.3%Added
Vanguard Group Inc4,259,364$279.7M0.01%+25,066+0.6%Added
Crestline Management, LP0$00.00%−53,409−100.0%Sold out
SG Americas Securities, LLC0$00.00%−32,206−100.0%Sold out
Verition Fund Management LLC0$00.00%−29,361−100.0%Sold out
Genesee Capital Advisors, LLC0$00.00%−25,911−100.0%Sold out
Endurant Capital Management LP0$00.00%−24,253−100.0%Sold out
Old Mission Capital LLC0$00.00%−24,236−100.0%Sold out
HRT Financial LP0$00.00%−15,944−100.0%Sold out
Toronto Dominion Bank0$00.00%−15,839−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−13,539−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−7,000−100.0%Sold out
Federated Hermes, Inc.0$00.00%−6,424−100.0%Sold out
Gyon Technologies Capital Management, LP0$00.00%−5,624−100.0%Sold out
Boulder Hill Capital Management LP0$00.00%−4,800−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−4,629−100.0%Sold out
Walleye Capital LLC0$00.00%−4,318−100.0%Sold out
Sciencast Management LP0$00.00%−3,502−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−3,290−100.0%Sold out
Geneos Wealth Management Inc.0$00.00%−1,135−100.0%Sold out
Marshall Wace, LLP0$00.00%−723−100.0%Sold out
American Portfolios Advisors0$00.00%−362−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−360−100.0%Sold out
Group One Trading, L.P.0$00.00%−338−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−89−100.0%Sold out
Truvestments Capital LLC0$00.00%−89−100.0%Sold out
Confluence Wealth Services, Inc.0$00.00%−96−100.0%Sold out
Gilder Gagnon Howe & Co LLC0$00.00%−42−100.0%Sold out
Bell Investment Advisors, Inc––––Not filed