Monitor for any future conversion to a Schedule 13D, which would signal activist intent. For now, BlackRock's passive posture is unchanged.
Price Chart
Executive Summary
BlackRock filed an amended Schedule 13G disclosing beneficial ownership of 7,837,484 shares of AtriCure common stock as of September 30, 2026, representing 15.4% of shares outstanding. This is a routine passive stake update with no change in investment intent. The filing confirms BlackRock's continued significant passive position, with one underlying fund (iShares Core S&P Small-Cap ETF) holding over 5% of the issuer's common stock.
Key Financial Metrics
Key Facts
- BlackRock reported beneficial ownership of 7,837,484 shares of AtriCure common stock as of September 30, 2026.
- The stake represents 15.4% of the outstanding common stock.
- BlackRock has sole voting power over 7,763,851 shares and sole dispositive power over 7,837,484 shares.
- The filing is an amendment to a Schedule 13G, confirming passive investment intent under Rule 13d-1(b).
- One underlying fund, iShares Core S&P Small-Cap ETF, holds more than 5% of AtriCure's outstanding common stock.
- No prior stake percentage was provided in the filing for comparison, so the direction of change cannot be determined from this document alone.
Financial Impact
No financial impact — routine passive stake disclosure with no change in investment intent.
Risk Factors
- No material risks identified from this filing.
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0002012383-26-003315 |
| Document: Item_7.txt | 0002012383-26-003315 |
| Document: 0002012383-26-003315-index-headers.html | 0002012383-26-003315 |
| Document: 0002012383-26-003315-index.html | 0002012383-26-003315 |
| Document: 0002012383-26-003315.txt | 0002012383-26-003315 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 5, 2026 22d ago | SC 13G/A | $56.37 $57.28 | ▲ +1.61% | ▲ +1.19% | $61.51 (+9.12%) |
Sep 14, 2026 6w ago | Insider Cluster | $56.22 $58.83 | ▲ +4.64% | ▲ +2.53% | $61.51 (+9.41%) |
Aug 7, 2026 11w ago | Insider Cluster | $41.39 $44.30 | ▲ +7.03% | ▲ +6.63% | $61.51 (+48.61%) |
Jul 30, 2026 12w ago | Insider Cluster | $37.76 $41.39 | ▲ +9.61% | ▲ +6.10% | $61.51 (+62.90%) |
Jul 30, 2026 12w ago | Insider Cluster | $37.76 $41.39 | ▲ +9.61% | ▲ +6.10% | $61.51 (+62.90%) |
Jul 23, 2026 13w ago | 8-K | $35.04 $40.15 | ▲ +14.58% | ▲ +14.21% | $61.51 (+75.54%) |
Jun 14, 2026 19w ago | Institutional Cluster | $27.98 $28.44 | ▲ +1.64% | ▲ +3.03% | $61.51 (+119.84%) |
Jun 11, 2026 19w ago | Institutional Cluster | $28.41 $27.12 | ▲ +4.54% | ▲ +4.97% | $61.51 (−116.51%) |
May 22, 2026 22w ago | Insider Cluster | $28.29 $26.48 | ▼ −6.40% | ▼ −8.07% | $61.51 (+117.43%) |
May 5, 2026 25w ago | 8-K | $28.01 $26.69 | ▼ −4.71% | ▼ −5.84% | $61.51 (+119.60%) |
US Market Status
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