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Livermore
Livermore
ZHEN

D. E. Shaw & Co., Inc.

SEC CIK
0001009207
Latest filing
Aug 14, 2026

ATRC holding history

AtriCure, Inc. in every 13F filed by D. E. Shaw & Co., Inc., 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)
192,824
Value
$5.40M
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of ATRC by D. E. Shaw & Co., Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026192,824$5.40M<0.1%+136,235+240.7%AddedHolders
Q1 202656,589$1.61M<0.1%+56,589NewHolders
Q3 20250$00.0%−7,776−100.0%Sold outHolders
Q2 20257,776$254.8K<0.1%−17,579−69.3%ReducedHolders
Q1 202525,355$818.0K<0.1%−42,107−62.4%ReducedHolders
Q4 202467,462$2.06M<0.1%−49,834−42.5%ReducedHolders
Q3 2024117,296$3.29M<0.1%+11,711+11.1%AddedHolders
Q2 2024105,585$2.40M<0.1%−49,610−32.0%ReducedHolders
Q1 2024155,195$4.72M<0.1%+46,179+42.4%AddedHolders
Q4 2023109,016$3.89M<0.1%+37,266+51.9%AddedHolders
Q3 202371,750$3.14M<0.1%−80,249−52.8%ReducedHolders
Q2 2023151,999$7.50M<0.1%−26,828−15.0%ReducedHolders
Q1 2023178,827$7.41M<0.1%+62,764+54.1%AddedHolders
Q4 2022116,063$5.15M<0.1%−77,394−40.0%ReducedHolders
Q3 2022193,457$7.57M<0.1%−20,533−9.6%ReducedHolders
Q2 2022213,990$8.74M<0.1%+119,314+126.0%AddedHolders
Q1 202294,676$6.22M<0.1%+52,251+123.2%AddedHolders
Q4 202142,425$2.95M<0.1%+12,677+42.6%AddedHolders
Q3 202129,748$2.07M<0.1%+7,628+34.5%AddedHolders
Q2 202122,120$1.75M<0.1%−13,180−37.3%ReducedHolders
Q1 202135,300$2.31M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.