Vanguard's passive stake remains stable at 6.02%. No signal of activist intent or conviction change. Monitor future 13G filings for any material increase or decrease in position.
Price Chart
Executive Summary
Vanguard Portfolio Management LLC filed an amended Schedule 13G for Inspire Medical Systems, reporting a 6.02% stake (1,741,113 shares) as of September 30, 2026. This is a routine passive ownership update with no change in stake size from the prior filing, reflecting standard portfolio management activity.
Key Financial Metrics
Key Facts
- Vanguard Portfolio Management LLC reported beneficial ownership of 1,741,113 shares of Inspire Medical Systems common stock
- Stake represents 6.02% of shares outstanding as of September 30, 2026
- Filing is an amendment to Schedule 13G, indicating passive investment intent
- No change in stake size from the prior filing (same share count and percentage)
Financial Impact
No material financial impact; passive stake disclosure with no change in position size
Risk Factors
- No risks identified; this is a routine passive ownership update
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0002100121-26-001107 |
| Document: 0002100121-26-001107-index.html | 0002100121-26-001107 |
| Document: 0002100121-26-001107.txt | 0002100121-26-001107 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 30, 2026 2d ago | SC 13G/A | $70.63 | awaiting T+20 | awaiting T+20 | $68.10 (−3.58%) |
Oct 5, 2026 27d ago | Press Release | $68.20 | awaiting T+20 | awaiting T+20 | $68.10 (−0.15%) |
Jul 27, 2026 13w ago | 3 | $51.97 $61.07 | ▲ +17.51% | ▲ +14.13% | $68.10 (+31.04%) |
Jul 24, 2026 14w ago | 8-K | $50.93 $61.47 | ▲ +20.70% | ▲ +17.40% | $68.10 (+33.71%) |
Jul 22, 2026 14w ago | 8-K | $50.40 $61.69 | ▲ +22.40% | ▲ +19.50% | $68.10 (+35.12%) |
Jul 6, 2026 16w ago | Press Release | $49.45 | awaiting T+20 | awaiting T+20 | $68.10 (+37.71%) |
Jun 11, 2026 20w ago | Institutional Cluster | $42.70 $51.76 | ▲ +21.22% | ▲ +19.44% | $68.10 (+59.48%) |
May 8, 2026 25w ago | 144 | $43.35 $42.21 | ▼ −2.63% | ▼ −2.33% | $68.10 (+57.09%) |
Apr 6, 2026 29w ago | Press Release | $54.14 $54.84 | ▲ +1.29% | ▼ −7.69% | $68.10 (+25.78%) |
Mar 20, 2026 32w ago | DEFA14A | $53.72 $56.97 | ▲ +6.05% | ▼ −3.27% | $68.10 (+26.77%) |
US Market Status
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