Blaize Holdings, Inc. (BZAI)
Who owns Blaize Holdings, Inc. (BZAI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 66.0% of the shares are freely tradable; institutional investors hold 34.7%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 3.97 | 5,644,826 | +15.0 | 03/31/2026 |
| Vanguard Group Inc | 2.74 | 3,893,026 | +8.5 | 12/31/2025 |
| Vanguard Capital Management, LLC | 2.52 | 3,584,327 | +0.0 | 03/31/2026 |
| Temasek Holdings Ltd. | 1.82 | 2,594,264 | -59.2 | 03/31/2026 |
| Geode Capital Management, LLC | 1.25 | 1,774,594 | +15.5 | 03/31/2026 |
| UBS Group AG | 1.08 | 1,542,474 | +14.8 | 03/31/2026 |
| Renaissance Technologies Corp | 0.99 | 1,404,159 | +947.4 | 03/31/2026 |
| State Street Corp | 0.97 | 1,379,508 | +6.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.99 | 2,837,306 | +0.0 | 04/30/2026 |
| iShares Russell 2000 ETF | 1.55 | 2,204,561 | +0.9 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 12. Jul 2026 | Patak Stephen Paul | Chief Revenue Officer | Other | 609 | 1.23 | 749 |
| 12. Jul 2026 | Patak Stephen Paul | Chief Revenue Officer | Other | 2,500 | 0.00 | – |
| 7. Jul 2026 | Bess Lane | Director | Other | 2,000,000 | 0.00 | – |
| 6. Jul 2026 | Cannestra Anthony | Director | Sell | 50,000 | 1.35 | 67,500 |
| 6. Jul 2026 | Cannestra Anthony | Director | Other | 50,000 | 0.57 | 28,500 |
| 20. Apr 2026 | Harminder Sehmi | CFO | Sell | 123,460 | 2.28 | 281,489 |
| 17. Apr 2026 | Dinakar Munagala | CEO | Sell | 50,000 | 2.54 | 127,000 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.