AtriCure, Inc. (ATRC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,408,159Shares held by institutions

$39,822,737Value of institutional holdings

105.32%Institutional ownership %

-4.63%Shares Changed QoQ

198No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

AtriCure, Inc. (NASDAQ:ATRC) is held by 230 institutional investors per 13F filings through December 2025.

Their combined ownership stood at 101.6% of outstanding shares in December 2025, down from 102.5% in September 2025.
They increased total shares held in AtriCure by 5.25% from the prior quarter, while the number of investors in ATRC increased 8.49% year over year.
Activity in ATRC broke down as 124 buyers, 74 sellers, and 32 unchanged among 230 total holders.
In total, institutional investors held 48.7Mn shares in AtriCure as of December 2025, up by 2.43Mn shares quarter on quarter, and up 1.11Mn shares year over year.
VANGUARD GROUP INC leads ownership in ATRC with 4.9Mn shares as of December 31, 2025, equal to 10.23% of outstanding shares.
The biggest buyers of AtriCure for the quarter ending December 2025 included NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (2.04Mn), Defilade Capital Management, L.P. (397.64K), MARSHALL WACE, LLP (354.28K), First Light Asset Management, LLC (285.08K), Point72 Asset Management, L.P. (277.92K).
Leading sellers of AtriCure shares for the quarter ending December 2025 were Champlain Investment Partners, LLC (804.61K), Bank Of America Corp /De/ (774.18K), WELLINGTON MANAGEMENT GROUP LLP (374.1K), Jpmorgan Chase & Co (274.37K), Nuveen, LLC (220.32K).
AtriCure's 10 largest shareholders as of December 2025 include VANGUARD GROUP INC (4.9Mn), BlackRock, Inc. (4.07Mn), WELLINGTON MANAGEMENT GROUP LLP (3.92Mn), ALLIANCEBERNSTEIN L.P. (3.56Mn), Hood River Capital Management LLC (3.1Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (2.04Mn), State Street Corp (1.24Mn), GEODE CAPITAL MANAGEMENT, LLC (1.19Mn), First Light Asset Management, LLC (1.18Mn), Champlain Investment Partners, LLC (1.17Mn) per Business Quant data.

230 Institutional Holders

1,408,159 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	68,695	1.72%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	62,861	1.30%	$0.00
Defilade Capital Management, L.P.	31 Dec, 2025	397,636	0.00%	$0.00
Barclays Plc	31 Dec, 2025	-122,137	-56.88%	$0.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	-374,096	-8.72%	$0.00
Nuveen, LLC	31 Dec, 2025	-220,316	-39.58%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	19,252	126.69%	$0.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	4,990	0.14%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	195,811	206.71%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	5,188	186.75%	$0.00
Hood River Capital Management LLC	31 Dec, 2025	51,024	1.68%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	277,924	0.00%	$0.00
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	31 Dec, 2025	2,038,703	0.00%	$0.00
Universal- Beteiligungs- und Servicegesellschaft mbH	31 Dec, 2025	-15,335	-7.35%	$0.00
State Street Corp	31 Dec, 2025	-21,919	-1.73%	$0.00
UBS Group AG	31 Dec, 2025	11,401	12.30%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	443	0.04%	$0.00
Susquehanna Portfolio Strategies, LLC	31 Dec, 2025	86,325	0.00%	$0.00
First Light Asset Management, LLC	31 Dec, 2025	285,083	32.02%	$0.00
Squarepoint Ops LLC	31 Dec, 2025	-88,886	-50.88%	$0.00

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