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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

ATRC holding history

AtriCure, Inc. in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ATRC overviewAll 13F holders of ATRCFull Q2 2026 holdings

Shares (Q2 2026)
3,034
Value
$84.9K
% of portfolio
<0.1%
Quarters held
8
Since Q2 2021
Holdings of ATRC by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,034$84.9K<0.1%+522+20.8%AddedHolders
Q1 20262,512$71.7K<0.1%+2,512NewHolders
Q4 20240$00.0%−73−100.0%Sold outHolders
Q3 202473$2.00K<0.1%+73NewHolders
Q2 20240$00.0%−3,991−100.0%Sold outHolders
Q1 20243,991$121.0K<0.1%+3,991NewHolders
Q1 20230$00.0%−500−100.0%Sold outHolders
Q4 2022500$22.0K<0.1%−658−56.8%ReducedHolders
Q3 20221,158$45.0K<0.1%+1,158NewHolders
Q4 20210$00.0%−81−100.0%Sold outHolders
Q3 202181$6.00K<0.1%00.0%UnchangedHolders
Q2 202181$6.00K<0.1%+81NewHolders