Harbor Investment Advisory’s AtriCure ATRC Stock Holding History

Harbor Investment Advisory’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	$39.9K	Buy	+1,426	New	+$40.1K	﹤0.01%	801
2023 Q3	–	Sell	-1,337	Closed	-$66K	–	1199
2023 Q2	$66K	Buy	1,337 +161	+14%	+$7.42K	0.01%	626
2023 Q1	$48.7K	Hold	1,176	–	–	0.01%	711
2022 Q4	$52.2K	Hold	1,176	–	–	0.01%	684
2022 Q3	$46K	Hold	1,176	–	–	0.01%	715
2022 Q2	$48K	Buy	1,176 +229	+24%	+$10.8K	0.01%	710
2022 Q1	$62K	Hold	947	–	–	0.01%	683
2021 Q4	$66K	Hold	947	–	–	0.01%	660
2021 Q3	$66K	Buy	947 +90	+11%	+$6.93K	0.01%	645
2021 Q2	$68K	Buy	857 +211	+33%	+$15.3K	0.01%	618
2021 Q1	$42K	Buy	646 +239	+59%	+$14.7K	0.01%	717
2020 Q4	$23K	Buy	+407	New	+$17.6K	﹤0.01%	799

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 Investment Advisory's ATRC Position: Q2 2026 in Review

Harbor Investment Advisory opened a new position in AtriCure (ATRC) in Q2 2026: 1,426 shares worth $39.9K. The stake represents ﹤0.01% of the portfolio and ranks #801 among its holdings. This is a return to the name: Harbor Investment Advisory previously reported a position in ATRC as recently as Q2 2023.

Harbor Investment Advisory first reported a position in ATRC in Q4 2020 and has held it in 12 quarters since. The position peaked at $68K in Q2 2021. 251 funds tracked by Wall St. Rank hold ATRC as of Q2 2026.

Harbor Investment Advisory held 1,426 shares of AtriCure worth $39.9K as of Q2 2026.
AtriCure was a new Harbor Investment Advisory position in Q2 2026.
AtriCure made up ﹤0.01% of Harbor Investment Advisory's portfolio in Q2 2026, its #801 holding.
Harbor Investment Advisory first reported a position in AtriCure in Q4 2020 and has held it in 12 quarters since.
Harbor Investment Advisory's AtriCure position peaked at $68K in Q2 2021.
251 funds tracked by Wall St. Rank held AtriCure as of Q2 2026.

Based on Harbor Investment Advisory's 13F filing for Q2 2026, filed 7 Jul 2026.