Monitor for any future 13D conversion or significant stake increase by Millennium, as the current sub-5% position is not actionable. No immediate trading catalyst.
Price Chart
Executive Summary
Millennium Management LLC filed a Schedule 13G/A disclosing a passive stake of 349,087 shares (0.00% of common stock) in iRhythm Holdings, Inc. as of September 30, 2026. The filing is an amendment to a prior passive stake disclosure, and the stake appears to be a new position or a significant reduction from a prior level, though no prior share count is provided for comparison. The 0.00% ownership suggests the stake is below the 5% threshold, indicating Millennium is not an active or material holder.
Key Financial Metrics
Key Facts
- Millennium Management LLC reported beneficial ownership of 349,087 shares of iRhythm Holdings, Inc. common stock as of September 30, 2026.
- The reported ownership percentage is 0.00%, indicating the stake is below the 5% reporting threshold.
- The filing is an amendment to a Schedule 13G, filed under Rule 13d-1(c) (passive investor).
- The filing includes a joint filing agreement among Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander.
Financial Impact
No material financial impact; stake is below 5% and represents a negligible ownership position.
Risk Factors
- No material risks identified from this filing alone.
Investment Themes
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0001104659-26-115591 |
| Document: 0001104659-26-115591-index-headers.html | 0001104659-26-115591 |
| Document: 0001104659-26-115591-index.html | 0001104659-26-115591 |
| Document: 0001104659-26-115591.txt | 0001104659-26-115591 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | Institutional Cluster | $122.55 | awaiting T+5 | — | $121.93 (−0.51%) |
Oct 15, 2026 12d ago | Press Release | $108.66 | awaiting T+5 | — | $121.93 (+12.21%) |
Oct 13, 2026 14d ago | SC 13G/A | $106.05 $113.55 | ▲ +7.07% | ▲ +6.62% | $121.93 (+14.97%) |
Oct 5, 2026 22d ago | 8-K | $109.09 $106.68 | ▼ −2.21% | ▼ −2.63% | $121.93 (+11.77%) |
Oct 5, 2026 22d ago | Press Release | $109.09 $106.68 | ▼ −2.21% | ▼ −2.63% | $121.93 (+11.77%) |
Sep 22, 2026 5w ago | 8-K | $111.75 $113.66 | ▲ +1.71% | ▲ +2.38% | $121.93 (+9.11%) |
Aug 11, 2026 11w ago | Insider Cluster | $125.35 $124.75 | ▲ +0.48% | ▲ +0.03% | $121.93 (+2.73%) |
Aug 11, 2026 11w ago | Insider Cluster | $125.35 $124.75 | ▼ −0.48% | ▼ −0.03% | $121.93 (−2.73%) |
Aug 4, 2026 12w ago | Insider Cluster | $124.50 $125.35 | ▲ +0.68% | ▲ +0.33% | $121.93 (−2.06%) |
Jul 6, 2026 16w ago | Insider Cluster | $125.09 $112.55 | ▼ −10.02% | ▼ −10.58% | $121.93 (−2.53%) |
US Market Status
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