4 institutions reported holding $1.8M of ATRICURE INC COM (ATRC) in SEC 13F filings for 2026-06-30. Largest institutional holders: Assenagon Asset Management S.A. ($1.7M), HARBOR INVESTMENT ADVISORY, LLC ($39,899), GAMMA Investing LLC ($3,777), Versant Capital Management, Inc ($1,287). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | $1.7M | 62,334 | New |
| 2 | HARBOR INVESTMENT ADVISORY, LLC | $39,899 | 1,426 | New |
| 3 | GAMMA Investing LLC | $3,777 | 135 | Added |
| 4 | Versant Capital Management, Inc | $1,287 | 46 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30