Who Owns ATRICURE (ATRC)? -- Institutional Holders (2026-06-30)

272 institutions reported holding $1.49B of ATRICURE (ATRC) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($161.0M), BlackRock, Inc. ($125.2M), WELLINGTON MANAGEMENT GROUP LLP ($97.8M), Hood River Capital Management LLC ($81.3M), ALLIANCEBERNSTEIN L.P. ($79.0M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1VANGUARD GROUP INC$161.0M5.8MAdded
2BlackRock, Inc.$125.2M4.5MAdded
3WELLINGTON MANAGEMENT GROUP LLP$97.8M3.5MAdded
4Hood River Capital Management LLC$81.3M2.9MTrimmed
5ALLIANCEBERNSTEIN L.P.$79.0M2.8MTrimmed
6NOMURA ASSET MANAGEMENT INTERNATIONAL INC.$48.5M1.7MTrimmed
7GOLDMAN SACHS GROUP INC$44.7M1.6MTrimmed
8STATE STREET CORP$38.9M1.4MAdded
9MARSHALL WACE, LLP$37.3M1.3MTrimmed
10GEODE CAPITAL MANAGEMENT, LLC$36.9M1.3MAdded
11ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$36.3M1.3MAdded
12DIMENSIONAL FUND ADVISORS LP$29.2M1.0MAdded
13NEUBERGER BERMAN GROUP LLC$26.6M947,982Trimmed
14GW&K Investment Management, LLC$26.6M949,516Trimmed
15Champlain Investment Partners, LLC$26.3M938,567Trimmed
16BNP PARIBAS ASSET MANAGEMENT Holding S.A.$25.1M897,419Trimmed
17BANK OF AMERICA CORP /DE/$24.5M874,370Added
18KENNEDY CAPITAL MANAGEMENT LLC$24.0M857,787Added
19Divisadero Street Capital Management, LP$22.4M800,931Trimmed
20Point72 Asset Management, L.P.$16.9M604,380New
21DAFNA Capital Management LLC$16.7M597,431Hold
22Grandeur Peak Global Advisors, LLC$16.4M587,399Added
23MASSACHUSETTS FINANCIAL SERVICES CO /MA/$16.2M580,621Trimmed
24First Light Asset Management, LLC$15.9M567,838Trimmed
25Qube Research & Technologies Ltd$15.7M560,824Added

来源：SEC 13F 申报文件 · 截至 2026-06-30