Simplex Trading’s AtriCure ATRC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-16,100
Closed -$567K 8506
2025
Q3
$567K Buy
+16,100
New +$555K ﹤0.01% 3667
2025
Q1
Sell
-100
Closed -$3K 8485
2024
Q4
$3K Sell
100
-200
-67% -$6.43K ﹤0.01% 7824
2024
Q3
$8K Sell
300
-7,300
-96% -$180K ﹤0.01% 7300
2024
Q2
$173K Buy
7,600
+7,100
+1,420% +$164K ﹤0.01% 4792
2024
Q1
$15K Sell
500
-1,400
-74% -$46.9K ﹤0.01% 7305
2023
Q4
$67K Buy
+1,900
New +$70.7K ﹤0.01% 5788
2023
Q3
Sell
-500
Closed -$24K 8625
2023
Q2
$24K Hold
500
﹤0.01% 6568
2023
Q1
$20K Buy
+500
New +$20.7K ﹤0.01% 6898
2022
Q4
Sell
-2,700
Closed -$105K 9168
2022
Q3
$105K Buy
2,700
+2,100
+350% +$96.1K ﹤0.01% 5449
2022
Q2
$24K Hold
600
﹤0.01% 7375
2022
Q1
$39K Hold
600
﹤0.01% 7462
2021
Q4
$41K Buy
600
+500
+500% +$36.3K ﹤0.01% 7487
2021
Q3
$8K Hold
100
﹤0.01% 9030
2021
Q2
$7K Buy
100
+76
+317% +$5.53K ﹤0.01% 9270
2021
Q1
$157K Buy
24
+23
+2,300% +$1.42K ﹤0.01% 5108
2020
Q4
$5K Buy
+1
New +$43 ﹤0.01% 7694
2020
Q2
Sell
-5
Closed -$16K 7564
2020
Q1
$16K Hold
5
﹤0.01% 6114
2019
Q4
$16K Hold
5
﹤0.01% 6093
2019
Q3
$12K Sell
5
-58
-92% -$1.66K ﹤0.01% 6132
2019
Q2
$187K Buy
+63
New +$1.84K ﹤0.01% 3526
2019
Q1
Sell
-5
Closed -$15K 7103
2018
Q4
$15K Buy
5
+4
+400% +$125 ﹤0.01% 5552
2018
Q3
$3K Sell
1
-37
-97% -$1.17K ﹤0.01% 6932
2018
Q2
$102K Buy
+38
New +$893 ﹤0.01% 4260
2017
Q2
Sell
-12
Closed -$1K 6061
2017
Q1
$1K Buy
+12
New +$210 ﹤0.01% 5540

Other funds holding ATRC

Simplex Trading's ATRC Position: Q1 2026 in Review

Simplex Trading opened a new position in AtriCure (ATRC) in Q1 2026: 2,512 shares worth $71.7K. The stake represents ﹤0.01% of the portfolio and ranks #5469 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ATRC as recently as Q3 2024.

Simplex Trading first reported a position in ATRC in Q2 2017 and has held it in 18 quarters since. The position peaked at $121K in Q1 2024. 223 funds tracked by Wall St. Rank hold ATRC as of Q1 2026.

  • Simplex Trading held 2,512 shares of AtriCure worth $71.7K as of Q1 2026.
  • AtriCure was a new Simplex Trading position in Q1 2026.
  • AtriCure made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #5469 holding.
  • Simplex Trading first reported a position in AtriCure in Q2 2017 and has held it in 18 quarters since.
  • Simplex Trading's AtriCure position peaked at $121K in Q1 2024.
  • 223 funds tracked by Wall St. Rank held AtriCure as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.