XTX Topco’s AtriCure ATRC Stock Holding History

XTX Topco’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	$1.04M	Buy	+37,248	New	+$1.05M	0.01%	1751
2026 Q1	–	Sell	-11,069	Closed	-$438K	–	3830
2025 Q4	$438K	Buy	11,069 +5,182	+88%	+$190K	0.01%	1727
2025 Q3	$208K	Sell	5,887 -14,139	-71%	-$487K	0.01%	1819
2025 Q2	$656K	Buy	20,026 +3,725	+23%	+$121K	0.03%	924
2025 Q1	$526K	Buy	+16,301	New	+$605K	0.03%	997
2024 Q1	–	Sell	-7,796	Closed	-$278K	–	1831
2023 Q4	$278K	Buy	7,796 +513	+7%	+$19.1K	0.06%	693
2023 Q3	$319K	Buy	+7,283	New	+$355K	0.05%	687
2023 Q2	–	Sell	-10,185	Closed	-$422K	–	1408
2023 Q1	$422K	Buy	+10,185	New	+$423K	0.09%	399
2022 Q4	–	Sell	-5,986	Closed	-$234K	–	1111
2022 Q3	$234K	Buy	+5,986	New	+$274K	0.06%	674

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

XTX Topco's ATRC Position: Q2 2026 in Review

XTX Topco opened a new position in AtriCure (ATRC) in Q2 2026: 37,248 shares worth $1.04M. The stake represents 0.01% of the portfolio and ranks #1751 among its holdings. This is a return to the name: XTX Topco previously reported a position in ATRC as recently as Q4 2025.

XTX Topco first reported a position in ATRC in Q3 2022 and has held it in 9 quarters since. 252 funds tracked by Wall St. Rank hold ATRC as of Q2 2026.

XTX Topco held 37,248 shares of AtriCure worth $1.04M as of Q2 2026.
AtriCure was a new XTX Topco position in Q2 2026.
AtriCure made up 0.01% of XTX Topco's portfolio in Q2 2026, its #1751 holding.
XTX Topco first reported a position in AtriCure in Q3 2022 and has held it in 9 quarters since.
252 funds tracked by Wall St. Rank held AtriCure as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.