Simplex Trading’s AtriCure ATRC Stock Holding History

Simplex Trading’s Portfolio ATRC Stock Details ATRC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$140K	Hold	5,000	–	–	﹤0.01%	5158
2026 Q1	$143K	Buy	+5,000	New	+$171K	﹤0.01%	4684
2024 Q2	–	Sell	-8,000	Closed	-$243K	–	8737
2024 Q1	$243K	Buy	8,000 +7,900	+7,900%	+$265K	﹤0.01%	4632
2023 Q4	$3K	Buy	+100	New	+$3.72K	﹤0.01%	8050
2022 Q4	–	Sell	-2,100	Closed	-$82K	–	9169
2022 Q3	$82K	Buy	+2,100	New	+$96.1K	﹤0.01%	5781
2021 Q4	–	Sell	-200	Closed	-$16K	–	10436
2021 Q3	$16K	Hold	200	–	–	﹤0.01%	8601
2021 Q2	$15K	Buy	200 +198	+9,900%	+$14.4K	﹤0.01%	8811
2021 Q1	$13K	Buy	+2	New	+$123	﹤0.01%	7737
2020 Q3	–	Sell	-5	Closed	-$22K	–	7759
2020 Q2	$22K	Buy	5 +2	+67%	+$87	﹤0.01%	6133
2020 Q1	$10K	Sell	3 -4	-57%	-$144	﹤0.01%	6452
2019 Q4	$22K	Sell	7 -146	-95%	-$4.16K	﹤0.01%	5864
2019 Q3	$381K	Buy	153 +150	+5,000%	+$4.28K	﹤0.01%	2899
2019 Q2	$8K	Sell	3 -2	-40%	-$58	﹤0.01%	6210
2019 Q1	$13K	Buy	+5	New	+$152	﹤0.01%	5977

Other funds holding ATRC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

HRCM

Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

Simplex Trading's ATRC Position: Q2 2026 in Review

Simplex Trading increased its AtriCure (ATRC) stake by 21% in Q2 2026, buying an estimated $14.7K and bringing the position to 3,034 shares worth $84.9K. The position accounts for ﹤0.01% of the portfolio, ranked #5751.

Simplex Trading first reported a position in ATRC in Q2 2017 and has held it in 19 quarters since. The position peaked at $121K in Q1 2024. 252 funds tracked by Wall St. Rank hold ATRC as of Q2 2026.

Simplex Trading held 3,034 shares of AtriCure worth $84.9K as of Q2 2026.
Simplex Trading bought 522 AtriCure shares in Q2 2026, an estimated $14.7K.
AtriCure made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #5751 holding.
Simplex Trading first reported a position in AtriCure in Q2 2017 and has held it in 19 quarters since.
Simplex Trading's AtriCure position peaked at $121K in Q1 2024.
252 funds tracked by Wall St. Rank held AtriCure as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.