Harbor Capital Advisors’s AtriCure ATRC Stock Holding History

Harbor Capital Advisors’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	$1.19M	Buy	42,385 +838	+2%	+$23.6K	0.08%	320
2026 Q1	$1.19M	Buy	41,547 +7,983	+24%	+$272K	0.1%	296
2025 Q4	$1.33M	Buy	33,564 +4,925	+17%	+$181K	0.1%	275
2025 Q3	$1.01M	Buy	28,639 +1,816	+7%	+$62.6K	0.08%	318
2025 Q2	$879K	Sell	26,823 -1,565	-6%	-$50.9K	0.04%	454
2025 Q1	$916K	Buy	+28,388	New	+$1.05M	0.04%	449
2024 Q1	–	Sell	-22,290	Closed	-$796K	–	756
2023 Q4	$796K	Buy	22,290 +1,354	+6%	+$50.4K	0.15%	173
2023 Q3	$917K	Buy	20,936 +3,086	+17%	+$151K	0.2%	129
2023 Q2	$881K	Buy	+17,850	New	+$823K	0.18%	151

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 $3.38T AUM 44.17% 1-Year Est. Return

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

Harbor Capital Advisors's ATRC Position: Q2 2026 in Review

Harbor Capital Advisors increased its AtriCure (ATRC) stake by 2% in Q2 2026, buying an estimated $23.6K and bringing the position to 42,385 shares worth $1.19M. The position accounts for 0.08% of the portfolio, ranked #320.

Harbor Capital Advisors first reported a position in ATRC in Q2 2023 and has held it in 9 quarters since. The position peaked at $1.33M in Q4 2025. 251 funds tracked by Wall St. Rank hold ATRC as of Q2 2026.

Harbor Capital Advisors held 42,385 shares of AtriCure worth $1.19M as of Q2 2026.
Harbor Capital Advisors bought 838 AtriCure shares in Q2 2026, an estimated $23.6K.
AtriCure made up 0.08% of Harbor Capital Advisors's portfolio in Q2 2026, its #320 holding.
Harbor Capital Advisors first reported a position in AtriCure in Q2 2023 and has held it in 9 quarters since.
Harbor Capital Advisors's AtriCure position peaked at $1.33M in Q4 2025.
251 funds tracked by Wall St. Rank held AtriCure as of Q2 2026.

Based on Harbor Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.