Filing Flows › AtriCure (ATRC) › Who owns the stock
Who owns AtriCure (ATRC) stock
247 funds reported AtriCure (ATRC) shares in their latest 13F filings, worth $1.6B in all. The largest holder is Vanguard Group ($194M). Last quarter 137 funds added to their stakes and 80 cut them. Members of Congress and other officials disclosed 3 trades (2 buys, 1 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 4,903,755 | $194M | increase | 2025-12-31 |
| BlackRock | 4,474,548 | $125M | increase | 2026-06-30 |
| Wellington Management Group LLP | 3,495,603 | $97.8M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 3,127,195 | $87.5M | increase | 2026-06-30 |
| Hood River Capital Management LLC | 2,905,299 | $81.3M | decrease | 2026-06-30 |
| Alliancebernstein L.P. | 2,768,365 | $79.0M | decrease | 2026-06-30 |
| Vanguard Capital Management LLC | 2,190,413 | $61.3M | increase | 2026-06-30 |
| Nomura Asset Management International | 1,734,279 | $48.5M | decrease | 2026-06-30 |
| Goldman Sachs Group | 1,597,988 | $44.7M | decrease | 2026-06-30 |
| State Street | 1,389,989 | $38.9M | increase | 2026-06-30 |
| Marshall Wace, LLP | 1,333,904 | $37.3M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 1,319,687 | $36.9M | increase | 2026-06-30 |
| Arrowstreet Capital, Limited Partnership | 1,296,209 | $36.3M | increase | 2026-06-30 |
| Dimensional Fund Advisors LP | 1,044,034 | $29.2M | increase | 2026-06-30 |
| Neuberger Berman Group LLC | 947,982 | $26.6M | decrease | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-09-29 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2026-08-20 | Gilbert Cisneros | purchase | $1K–$15K |
| 2026-03-03 | Gilbert Cisneros | purchase | $1K–$15K |
AtriCure's latest quarter
AtriCure, Q3 2026: revenue $154M (+15% year over year), operating margin 2.8%, net earnings $4.1M, operating cash flow $30.3M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most ATRC stock?
By the latest 13F filings: Vanguard Group ($194M); BlackRock ($125M); Wellington Management Group LLP ($97.8M); Vanguard Portfolio Management LLC ($87.5M); Hood River Capital Management LLC ($81.3M).
Has Congress traded ATRC stock?
Officials disclosed 3 trades on file: 2 buys and 1 sales. The latest: Gilbert Cisneros, partial sale on 2026-09-29.
What is the short interest in ATRC?
4,886,394 shares were sold short at the 2026-10-15 settlement, 1.4% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.