Arrowstreet Capital’s AtriCure ATRC Stock Holding History

Arrowstreet Capital’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	$36.3M	Buy	1,296,209 +1,018,527	+367%	+$28.7M	0.02%	667
2026 Q1	$7.92M	Buy	+277,682	New	+$9.48M	﹤0.01%	1012
2025 Q1	–	Sell	-26,693	Closed	-$816K	–	1799
2024 Q4	$816K	Buy	+26,693	New	+$858K	﹤0.01%	1495
2024 Q2	–	Sell	-69,025	Closed	-$2.1M	–	1520
2024 Q1	$2.1M	Buy	69,025 +59,029	+591%	+$1.98M	﹤0.01%	1123
2023 Q4	$357K	Buy	+9,996	New	+$372K	﹤0.01%	1269
2021 Q3	–	Sell	-2,800	Closed	-$222K	–	1578
2021 Q2	$222K	Buy	+2,800	New	+$204K	﹤0.01%	1775
2020 Q4	–	Sell	-16,233	Closed	-$648K	–	2275
2020 Q3	$648K	Sell	16,233 -92,789	-85%	-$3.93M	﹤0.01%	1944
2020 Q2	$4.9M	Buy	+109,022	New	+$4.75M	0.01%	1068
2019 Q2	–	Sell	-80,257	Closed	-$2.15M	–	1385
2019 Q1	$2.15M	Buy	+80,257	New	+$2.44M	0.01%	1085
2018 Q4	–	Sell	-9,537	Closed	-$334K	–	1336
2018 Q3	$334K	Buy	+9,537	New	+$302K	﹤0.01%	962
2017 Q4	–	Sell	-63,400	Closed	-$1.42M	–	1234
2017 Q3	$1.42M	Buy	+63,400	New	+$1.43M	﹤0.01%	771
2014 Q2	–	Sell	-11,226	Closed	-$211K	–	968
2014 Q1	$211K	Buy	+11,226	New	+$230K	﹤0.01%	1085

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

Arrowstreet Capital's ATRC Position: Q2 2026 in Review

Arrowstreet Capital increased its AtriCure (ATRC) stake by 367% in Q2 2026, buying an estimated $28.7M and bringing the position to 1,296,209 shares worth $36.3M. The position accounts for 0.02% of the portfolio, ranked #667.

Arrowstreet Capital first reported a position in ATRC in Q1 2014 and has held it in 12 quarters since. 252 funds tracked by Wall St. Rank hold ATRC as of Q2 2026.

Arrowstreet Capital held 1,296,209 shares of AtriCure worth $36.3M as of Q2 2026.
Arrowstreet Capital bought 1,018,527 AtriCure shares in Q2 2026, an estimated $28.7M.
AtriCure made up 0.02% of Arrowstreet Capital's portfolio in Q2 2026, its #667 holding.
Arrowstreet Capital first reported a position in AtriCure in Q1 2014 and has held it in 12 quarters since.
252 funds tracked by Wall St. Rank held AtriCure as of Q2 2026.

Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.