Who owns Blaize Holdings, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of BZAI from SEC Form 13F filings across 121 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 121 institutions disclosed 37.5M shares of Blaize Holdings, Inc. worth $51.7M — about 27.8% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
121
13F holders
$51.7M
value, 2026 filers
27.8%
of shares outstanding (37.5M sh)
34
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of BZAI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.4M | $10.2M | 0.0% | 5.5% | +30.9% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 4.7M | $6.4M | 0.0% | 3.5% | +29.8% |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $2.9M | 0.0% | 1.6% | +20.4% |
| 4 | LAZARD ASSET MANAGEMENT LLC | 2.0M | $2.7M | 0.0% | 1.5% | +65.0% |
| 5 | UBS Group AG | 1.8M | $2.5M | 0.0% | 1.3% | +17.2% |
| 6 | MARSHALL WACE, LLPNEW | 1.6M | $2.2M | 0.0% | 1.2% | new |
| 7 | STATE STREET CORP | 1.6M | $2.2M | 0.0% | 1.2% | +14.0% |
| 8 | AQR CAPITAL MANAGEMENT LLC | 1.5M | $2.1M | 0.0% | 1.1% | +23.9% |
| 9 | CITADEL ADVISORS LLC | 1.2M | $1.7M | 0.0% | 0.9% | +1520.8% |
| 10 | Nuveen, LLC | 954,564 | $1.3M | 0.0% | 0.7% | +725.0% |
| 11 | MORGAN STANLEY | 940,787 | $1.3M | 0.0% | 0.7% | +3.1% |
| 12 | Temasek Holdings (Private) Ltd | 857,215 | $1.2M | 0.0% | 0.6% | -67.0% |
| 13 | MILLENNIUM MANAGEMENT LLCNEW | 817,912 | $1.1M | 0.0% | 0.6% | new |
| 14 | NORTHERN TRUST CORP | 773,375 | $1.1M | 0.0% | 0.6% | +17.6% |
| 15 | Themes Management Co LLC | 762,160 | $1.1M | 0.7% | 0.6% | -9.4% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 720,616 | $994,450 | 0.0% | 0.5% | +23.1% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 590,901 | $815,443 | 0.0% | 0.4% | +14.8% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 581,271 | $802,154 | 0.0% | 0.4% | +41.6% |
| 19 | AlphaCore Capital LLC | 570,358 | $787,093 | 0.0% | 0.4% | +29.5% |
| 20 | XTX Topco Ltd | 474,830 | $655,265 | 0.0% | 0.4% | +1969.7% |
| 21 | CANTOR FITZGERALD, L. P. | 459,692 | $634,375 | 0.0% | 0.3% | -40.2% |
| 22 | EFG International AGNEW | 430,646 | $594,291 | 0.0% | 0.3% | new |
| 23 | GOLDMAN SACHS GROUP INC | 371,725 | $512,981 | 0.0% | 0.3% | +36.7% |
| 24 | D. E. Shaw & Co., Inc.NEW | 279,863 | $386,211 | 0.0% | 0.2% | new |
| 25 | IEQ CAPITAL, LLC | 237,901 | $328,304 | 0.0% | 0.2% | +63.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.