ATRICURE INC ATRC
$31.79
+6.9% 52w: $25.86 – $42.41
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data25.8634.1442.41
Jun 20, 2025 Jul 2, 2026
Institutional holders
223
-12 QoQ
13F value
$1.46B
-24.2% QoQ
Smart-money holders
7
signal tier ≥ 2
New smart buyers
1
Q1 2026
Options barometer
2.0×
$280K calls / $143K puts
Institutional value by quarter
Number of holders
Who owns ATRC?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| ALLIANCEBERNSTEIN L.P. | Long only active | 3.3M | $128.9M | 0.0% | -8.6% |
| BlackRock, Inc. | Index provider | 4.0M | $115.3M | 0.0% | -0.6% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 3.4M | $96.5M | 0.0% | -13.7% |
| Hood River Capital Management LLC | Other | 3.1M | $88.9M | 0.9% | +0.7% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 2.7M | $77.1M | 0.0% | — |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.2M | $61.5M | 0.0% | — |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | Diversified mechanical | 1.8M | $51.5M | 0.1% | -11.5% |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.7M | $47.6M | 0.0% | +88.4% |
| MARSHALL WACE, LLP | Quant stat arb | 1.5M | $41.9M | 0.0% | +60.7% |
| STATE STREET CORP | Index provider | 1.3M | $37.2M | 0.0% | +4.8% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.2M | $35.0M | 0.0% | +2.9% |
| Divisadero Street Capital Management, LP ★2 | Fundamental diversified | 1.2M | $33.1M | 1.5% | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Bank broker | 1.1M | $30.3M | 0.0% | +10.6% |
| NEUBERGER BERMAN GROUP LLC | Diversified mechanical | 1.1M | $30.0M | 0.0% | -3.3% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 997.8K | $28.5M | 0.0% | +8.2% |
| Champlain Investment Partners, LLC | Other | 971.1K | $27.7M | 0.4% | -17.3% |
| GW&K Investment Management, LLC | Other | 963.4K | $27.5M | 0.2% | +1.2% |
| KENNEDY CAPITAL MANAGEMENT LLC | Other | 834.2K | $23.8M | 0.5% | -0.4% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 768.6K | $21.9M | 0.0% | +13.7% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 751.0K | $21.4M | 0.0% | +97.4% |
| First Light Asset Management, LLC ★3 | Fundamental concentrated | 729.5K | $20.8M | 1.9% | -37.9% |
| VOYA INVESTMENT MANAGEMENT LLC | Diversified mechanical | 719.6K | $20.5M | 0.0% | +1.0% |
| MORGAN STANLEY | Bank broker | 719.2K | $20.5M | 0.0% | +107.8% |
| DAFNA Capital Management LLC ★2 | Fundamental diversified | 597.4K | $17.0M | 3.9% | Held |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Other | 585.4K | $16.7M | 0.0% | +14.5% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Bank broker | 555.1K | $15.8M | 0.0% | -2.6% |
| Qube Research & Technologies Ltd | Quant stat arb | 454.8K | $13.0M | 0.0% | +56.5% |
| NORTHERN TRUST CORP | Index provider | 449.6K | $12.8M | 0.0% | +2.6% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 429.8K | $12.3M | 0.0% | -1.8% |
| Grandeur Peak Global Advisors, LLC ★2 | Fundamental diversified | 381.9K | $10.9M | 2.6% | +16.3% |
| WCM INVESTMENT MANAGEMENT, LLC | Other | 359.8K | $10.2M | 0.0% | -3.5% |
| OSTERWEIS CAPITAL MANAGEMENT INC | Other | 349.6K | $10.0M | 0.6% | +71.8% |
| Connor, Clark & Lunn Investment Management Ltd. | Diversified mechanical | 345.4K | $9.9M | 0.0% | -8.7% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 342.9K | $9.8M | 0.0% | — |
| FMR LLC | Long only active | 336.8K | $9.6M | 0.0% | +17.9% |
| Nuveen, LLC | Diversified mechanical | 336.7K | $9.6M | 0.0% | +0.1% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 308.7K | $8.8M | 0.0% | -4.1% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 277.7K | $7.9M | 0.0% | New |
| First Eagle Investment Management, LLC | Other | 262.1K | $7.5M | 0.0% | +124.8% |
| SEI INVESTMENTS CO | Diversified mechanical | 260.8K | $7.4M | 0.0% | +64.7% |
| WASATCH ADVISORS LP | Other | 253.9K | $7.2M | 0.0% | -28.2% |
| PANAGORA ASSET MANAGEMENT INC | Diversified mechanical | 227.4K | $6.5M | 0.0% | +0.4% |
| Amundi | Diversified mechanical | 225.9K | $6.4M | 0.0% | -2.1% |
| Universal- Beteiligungs- und Servicegesellschaft mbH | Diversified mechanical | 215.5K | $6.1M | 0.0% | +11.5% |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 216.9K | $6.1M | 0.0% | -0.3% |
| NICHOLAS COMPANY, INC. | Other | 204.6K | $5.8M | 0.1% | -0.4% |
| FIRST TRUST ADVISORS LP | Index provider | 189.3K | $5.4M | 0.0% | +60.7% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 186.4K | $5.3M | 0.0% | +86.5% |
| Advisors Capital Management, LLC | Other | 182.3K | $5.2M | 0.1% | -0.3% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 179.9K | $5.1M | 0.0% | +9.8% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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