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 BZAIW from SEC Form 13F filings across 22 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, 22 institutions disclosed 7.3M shares of Blaize Holdings, Inc. worth $2.4M — about 5.5% of shares outstanding; the largest disclosed holder is Calamos Advisors LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
22
13F holders
$2.4M
value, 2026 filers
5.5%
of shares outstanding (7.3M sh)
2
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 BZAIW's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Calamos Advisors LLC | 1.0M | $330,300 | 0.0% | 0.7% | 0.0% |
| 2 | D. E. Shaw & Co., Inc. | 900,000 | $297,270 | 0.0% | 0.7% | 0.0% |
| 3 | Caption Management, LLC | 898,556 | $296,793 | 0.0% | 0.7% | 0.0% |
| 4 | Saba Capital Management, L.P. | 874,225 | $309,650 | 0.0% | 0.6% | 0.0% |
| 5 | MMCAP International Inc. SPC | 750,000 | $247,725 | 0.0% | 0.6% | 0.0% |
| 6 | LMR Partners LLP | 615,000 | $203,135 | 0.0% | 0.5% | 0.0% |
| 7 | ARISTEIA CAPITAL, L.L.C. | 559,887 | $198,312 | 0.0% | 0.4% | 0.0% |
| 8 | Hudson Bay Capital Management LP | 353,877 | $116,886 | 0.0% | 0.3% | -22.4% |
| 9 | WOLVERINE ASSET MANAGEMENT LLC | 349,730 | $115,516 | 0.0% | 0.3% | -13.7% |
| 10 | WHITEBOX ADVISORS LLC | 209,250 | $69,115 | 0.0% | 0.2% | 0.0% |
| 11 | Sculptor Capital LP | 188,799 | $62,360 | 0.0% | 0.1% | -15.2% |
| 12 | Q Global Advisors, LLC | 150,000 | $50 | 0.0% | 0.1% | 0.0% |
| 13 | Creative Planning | 134,700 | $44,491 | 0.0% | 0.1% | 0.0% |
| 14 | Clear Street Group Inc. | 131,375 | $43,393 | 0.0% | 0.1% | -34.8% |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 49,724 | $16,424 | 0.0% | 0% | +2.4% |
| 16 | Apollon Wealth Management, LLC | 48,520 | $16,026 | 0.0% | 0% | -17.1% |
| 17 | StoneX Group Inc.NEW | 45,830 | $19,101 | 0.0% | 0% | new |
| 18 | RPO LLC | 38,320 | $12,657 | 0.0% | 0% | -15.8% |
| 19 | Yakira Capital Management, Inc. | 26,439 | $8,733 | 0.0% | 0% | 0.0% |
| 20 | GOLDMAN SACHS GROUP INC | 10,964 | $3,621 | 0.0% | 0% | +6.3% |
| 21 | Virtu Financial LLCNEW | 10,185 | $3 | 0.0% | 0% | new |
| 22 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | 2,967 | $891 | 0.0% | 0% | 0.0% |
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.