AtriCure (ATRC)
Makes surgical cardiac ablation, AtriClip appendage exclusion, and cryo nerve block devices.
$53.00
Pre-market+0.38 (+0.72%)
At close$52.62(+7.56%)
Something off on this page? Send us feedback.
Breakdown13F · 13D/G · Form 4
| Institutions261 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | ≈ 102.58% | 52.18M shares | |
| Insiders16 holders · as of Aug 26, 2026 | 4.01% | 2.04M shares | |
| Strategic holders1 holder · as of Feb 14, 2022 | 6.37% | 3.24M shares | |
| Adds to | 112.96% |
50.87M company shares as of Sep 3, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 112.96%; nothing is left for Other.
Institutions13F, as of Jun 30, 2026
261 holders · 52.18M shares · 60 new positions · 161 increased · 60 reduced · 24 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 4.47M | 8.80% | +431.9K | Aug 7, 2026 |
| Wellington Management Group LLP | 3.50M | 6.87% | +113.0K | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 3.13M | 6.15% | +424.6K | Aug 13, 2026 |
| Hood River Capital Management LLC | 2.91M | 5.71% | −212.2K | Aug 14, 2026 |
| AllianceBernstein L.P. | 2.77M | 5.44% | −490.5K | Aug 14, 2026 |
| Vanguard Capital Management LLC | 2.19M | 4.31% | +34.6K | Aug 13, 2026 |
| Macquarie Management Holdings, Inc. | 1.73M | 3.41% | −70.6K | Aug 14, 2026 |
| Goldman Sachs Group Inc | 1.60M | 3.14% | −69.2K | Aug 14, 2026 |
Ownership statements13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 7.80% | 3.86M | 13G | Oct 17, 2025 ↗ |
| Wellington Management Group LLP | 6.80% | 3.38M | 13G | May 15, 2026 ↗ |
| Hood River Capital Management LLC | 6.23% | 3.10M | 13G | Feb 17, 2026 ↗ |
| Vanguard Portfolio Management | 5.51% | 2.74M | 13G | Apr 28, 2026 ↗ |
| Vanguard Capital Management | 5.08% | 2.53M | 13G | Apr 29, 2026 ↗ |
Insider tradesForm 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 24, 2026 | Karl S. Dahlquistofficer: Chief Legal Officer | Sale | 9,370 | $48.89 | 87,319 |
| Aug 5, 2026 | Maggie Yuendirector | Sale | 3,500 | $38.42 | 14,015 |
| Aug 5, 2026 | Karen Prangedirector | Sale | 3,564 | $38.80 | 22,809 |
| Jul 29, 2026 | Justin J. Nozneskyofficer: Chief Mktg & Strategy Officer | Sale | 6,182 | $38.80 | 100,219 |
| Jul 28, 2026 | Sven Wehrweindirector | Sale | 25,000 | $37.84 | 40,518 |
| Jul 28, 2026 | Vinayak Doraiswamyofficer: Chief Scientific Officer | Sale | 6,000 | $38.88 | 86,511 |
| May 20, 2026 | Karen Prangedirector | Sale | 3,000 | $28.65 | 26,373 |
| May 15, 2026 | Vinayak Doraiswamyofficer: Chief Scientific Officer | Sale | 5,000 | $28.13 | 91,875 |
| Mar 12, 2026 | Vinayak Doraiswamyofficer: Chief Scientific Officer | Sale | 5,000 | $29.83 | 96,875 |
| Nov 26, 2025 | Justin J. Nozneskyofficer: Chief Mktg & Strategy Officer | Sale | 5,166 | $37.29 | 78,798 |
CongressHouse and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. Gilbert Cisneros · CA31 | Purchase | $1,001 – $15,000 | Mar 3, 2026 | Apr 8, 2026 ↗ |