Stocktoria
AtriCure, Inc. ATRC
AtriCure, Inc. institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 4,615,791 | $105.1M | 9.27% |
| TWO SIGMA INVESTMENTS, LP | 751,003 | $21.4M | 1.51% |
| RENAISSANCE TECHNOLOGIES LLC | 308,700 | $8.8M | 0.62% |
| AQR CAPITAL MANAGEMENT LLC | 186,382 | $5.3M | 0.37% |
| MILLENNIUM MANAGEMENT LLC | 179,886 | $5.1M | 0.36% |
| CITADEL ADVISORS LLC | 87,347 | $2.5M | 0.18% |
| D. E. Shaw & Co., Inc. | 56,589 | $1.6M | 0.11% |
| Bridgewater Associates, LP | 33,517 | $956,240 | 0.07% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.