BZAI Blaize Holdings, Inc.
Blaize Holdings, Inc. (BZAI) Institutional Ownership
What the institutions did with BZAI last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeLargest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 7.4M | 19.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.7M | 12.3% |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1M | 5.6% |
| LAZARD ASSET MANAGEMENT LLC | 2.0M | 5.2% |
| UBS Group AG | 1.8M | 4.8% |
| MARSHALL WACE, LLP | 1.6M | 4.2% |
| STATE STREET CORP | 1.6M | 4.1% |
| AQR CAPITAL MANAGEMENT LLC | 1.5M | 4.0% |
| CITADEL ADVISORS LLC | 1.2M | 3.3% |
| Nuveen, LLC | 954.6K | 2.5% |
| MORGAN STANLEY | 940.8K | 2.5% |
| CANTOR FITZGERALD, L. P. | 919.4K | 2.4% |
| Temasek Holdings (Private) Ltd | 857.2K | 2.3% |
| MILLENNIUM MANAGEMENT LLC | 817.9K | 2.2% |
| NORTHERN TRUST CORP | 773.4K | 2.0% |
| Themes Management Co LLC | 762.2K | 2.0% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 720.6K | 1.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 590.9K | 1.6% |
| VANGUARD FIDUCIARY TRUST CO | 581.3K | 1.5% |
| AlphaCore Capital LLC | 570.4K | 1.5% |
| XTX Topco Ltd | 474.8K | 1.3% |
| EFG International AG | 430.6K | 1.1% |
| GOLDMAN SACHS GROUP INC | 371.7K | 1.0% |
| D. E. Shaw & Co., Inc. | 279.9K | 0.7% |
| IEQ CAPITAL, LLC | 237.9K | 0.6% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| BlackRock, Inc. | Increased | 5.6M | 7.4M | +1.7M |
| Temasek Holdings (Private) Ltd | Reduced | 2.6M | 857.2K | -1.7M |
| MARSHALL WACE, LLP | New | 0 | 1.6M | +1.6M |
| RENAISSANCE TECHNOLOGIES LLC | Sold Out | 1.4M | 0 | -1.4M |
| CITADEL ADVISORS LLC | Increased | 77.0K | 1.2M | +1.2M |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 3.6M | 4.7M | +1.1M |
| Nuveen, LLC | Increased | 115.7K | 954.6K | +838.9K |
| MILLENNIUM MANAGEMENT LLC | New | 0 | 817.9K | +817.9K |
| LAZARD ASSET MANAGEMENT LLC | Increased | 1.2M | 2.0M | +782.6K |
| XTX Topco Ltd | Increased | 22.9K | 474.8K | +451.9K |
| EFG International AG | New | 0 | 430.6K | +430.6K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.8M | 2.1M | +362.3K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 1.2M | 1.5M | +289.6K |
| D. E. Shaw & Co., Inc. | New | 0 | 279.9K | +279.9K |
| UBS Group AG | Increased | 1.5M | 1.8M | +265.5K |
| STATE STREET CORP | Increased | 1.4M | 1.6M | +192.9K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 410.5K | 581.3K | +170.7K |
| HRT FINANCIAL LP | Sold Out | 163.5K | 0 | -163.5K |
| CANTOR FITZGERALD, L. P. | Increased | 769.2K | 919.4K | +150.2K |
| LMR Partners LLP | New | 0 | 146.5K | +146.5K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 585.4K | 720.6K | +135.2K |
| AlphaCore Capital LLC | Increased | 440.3K | 570.4K | +130.0K |
| NORTHERN TRUST CORP | Increased | 657.7K | 773.4K | +115.7K |
| Balyasny Asset Management L.P. | Sold Out | 109.5K | 0 | -109.5K |
| Mariner, LLC | Sold Out | 107.6K | 0 | -107.6K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.