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.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest 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 |
| IMC-Chicago, LLC | New | 0 | 107.1K | +107.1K |
| ALLIANCEBERNSTEIN L.P. | New | 0 | 100.6K | +100.6K |
| Vontobel Holding Ltd. | Reduced | 162.4K | 62.4K | -100.0K |
| GOLDMAN SACHS GROUP INC | Increased | 271.9K | 371.7K | +99.9K |
| IEQ CAPITAL, LLC | Increased | 145.6K | 237.9K | +92.3K |
| JANE STREET GROUP, LLC | Sold Out | 89.7K | 0 | -89.7K |
| Themes Management Co LLC | Reduced | 841.0K | 762.2K | -78.8K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 514.6K | 590.9K | +76.3K |
| Orion Porfolio Solutions, LLC | New | 0 | 75.9K | +75.9K |
| STEEL GROVE CAPITAL ADVISORS, LLC | Increased | 25.0K | 100.0K | +75.0K |
| PCM Encore, LLC | Sold Out | 74.1K | 0 | -74.1K |
| JPMORGAN CHASE & CO | Reduced | 116.0K | 46.4K | -69.6K |
| ProShare Advisors LLC | Increased | 78.5K | 146.5K | +67.9K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 262.8K | 207.4K | -55.4K |
| Gryphon Financial Partners LLC | Sold Out | 50.0K | 0 | -50.0K |
| LPL Financial LLC | New | 0 | 46.2K | +46.2K |
| WELLS FARGO & COMPANY/MN | Increased | 32.4K | 78.5K | +46.1K |
| Meridian Wealth Management, LLC | New | 0 | 45.6K | +45.6K |
| Russell Investments Group, Ltd. | Increased | 9.2K | 49.4K | +40.3K |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Reduced | 142.5K | 105.0K | -37.5K |
| Caitong International Asset Management Co., Ltd | Reduced | 93.6K | 56.9K | -36.7K |
| State of Wyoming | New | 0 | 36.3K | +36.3K |
| FRANKLIN RESOURCES INC | Increased | 62.5K | 98.3K | +35.7K |
| Spark Investment Management LLC | New | 0 | 30.4K | +30.4K |
| STIFEL FINANCIAL CORP | New | 0 | 30.0K | +30.0K |
| Worth Venture Partners, LLC | Sold Out | 28.6K | 0 | -28.6K |
| MORGAN STANLEY | Increased | 912.8K | 940.8K | +28.0K |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Sold Out | 25.6K | 0 | -25.6K |
| Arax Advisory Partners | Increased | 1.2K | 25.5K | +24.3K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 39.2K | 63.1K | +23.9K |
| BANK OF AMERICA CORP /DE/ | Reduced | 93.8K | 72.6K | -21.2K |
| OSAIC HOLDINGS, INC. | Increased | 1.0K | 21.7K | +20.7K |
| Corient Private Wealth LP | New | 0 | 20.0K | +20.0K |
| COMMONWEALTH EQUITY SERVICES, LLC | Sold Out | 19.3K | 0 | -19.3K |
| D.A. DAVIDSON & CO. | Increased | 16.5K | 35.3K | +18.8K |
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.