Blaize Holdings, Inc.
BZAI- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001871638
In the last 90 days, Blaize Holdings, Inc. insiders filed 0 open-market purchases and 2 sales; 121 institutions reported holding it in 13F filings for Q2 2026, worth $51.7M in total; no superinvestor holds it.
Other share classesBZAIW
Holders of 5% or more of BZAI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Blaize Holdings, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Bess Lane | 13D/A | 10.80%11.0M shares | +1.40 ppfrom 9.40% | Jan 21, 20252 filings | May 13, 2025 | SEC |
| Bess Ventures & Advisory, LLC | 13D/A | 9.00%13.0M shares | −1.40 ppfrom 10.40% | May 12, 20263 filings | Sep 18, 2026 | SEC |
| Burtech LP LLC | 13D/A | 8.98%9.14M shares | – | Dec 28, 20212 filings | May 15, 2025 | SEC |
| Meteora Capital, LLC | 13G | 6.35%947.4K shares | −16.73 ppfrom 23.08% | Feb 14, 20252 filings | Feb 14, 2025 | SEC |
| Munagala Dinakar | 13D/A | 6.00%9.26M shares | −0.20 ppfrom 6.20% | Jul 11, 20254 filings | Aug 4, 2026 | SEC |
| Polar Asset Management Partners Inc. | 13G | 5.60%9.38M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
| BlackRock, Inc. | 13G | 5.10%7.24M shares | New | Jul 27, 20261 filing | Jul 27, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
27 Schedule 13D and 13G filings on Blaize Holdings, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Sep 18, 20264:01 PM ET | Bess Ventures & Advisory, LLCand 2 others | 13D/A | 9.00%13.0M shares | −1.40 ppfrom 10.40% | Sep 16, 2026 | SEC |
| Aug 14, 20269:59 PM ET | Polar Asset Management Partners Inc. | 13G | 5.60%9.38M shares | New | Jun 30, 2026 | SEC |
| Aug 4, 20268:13 PM ET | Munagala Dinakar | 13D/A | 6.00%9.26M shares | −0.20 ppfrom 6.20% | Aug 2, 2026 | SEC |
| Jul 27, 20264:25 PM ET | BlackRock, Inc. | 13G | 5.10%7.24M shares | New | Jun 30, 2026 | SEC |
| Jul 10, 20266:00 PM ET | Ava Investors SAand 3 others | 13G/A | 4.90%6.97M shares | −4.66 ppfrom 9.56%Below 5% | Jun 30, 2026 | SEC |
| Jul 9, 20265:19 PM ET | Bess Ventures & Advisory, LLCand 2 others | 13D/A | 10.40%15.0M shares | +1.20 ppfrom 9.20% | Jul 7, 2026 | SEC |
| May 15, 202612:31 PM ET | DENSO International America, Inc.and 1 other | 13G/A | 0.00%0 shares | −4.60 ppfrom 4.60%Below 5% | Mar 26, 2026 | SEC |
| May 12, 20264:01 PM ET | Bess Ventures & Advisory, LLCand 2 others | 13D/A | 9.20%13.0M shares | – | May 8, 2026 | SEC |
| Apr 2, 20268:00 PM ET | Ava Investors SAand 3 others | 13G/A | 9.56%11.7M shares | −7.88 ppfrom 17.44% | Mar 31, 2026 | SEC |
| Mar 24, 20264:29 PM ET | Munagala Dinakar | 13D/A | 6.20%8.05M shares | +0.20 ppfrom 6.00% | Dec 12, 2025 | SEC |
| Feb 6, 20266:05 AM ET | Temasek Holdings (Private) Ltdand 3 others | 13G/A | 4.97%5.52M shares | −1.33 ppfrom 6.30%Below 5% | Jan 23, 2026 | SEC |
| Nov 14, 202510:42 AM ET | Boothbay Fund Management, LLCand 2 others | 13G/A | 0.00%0 shares | −8.40 ppfrom 8.40%Below 5% | Sep 30, 2025 | SEC |
| Nov 3, 20256:38 PM ET | Munagala Dinakar | 13D/A | 6.00%6.83M shares | +0.60 ppfrom 5.40% | Nov 2, 2025 | SEC |
| Jul 11, 20254:30 PM ET | Munagala Dinakar | 13D | 5.40%5.72M shares | New | May 2, 2025 | SEC |
| May 15, 20256:27 PM ET | DENSO International America, Inc.and 1 other | 13G | 4.60%4.67M shares | NewBelow 5% | Jan 12, 2025 | SEC |
| May 15, 20254:03 PM ET | Burtech LP LLCand 1 other | 13D/A | 8.98%9.14M shares | – | May 13, 2025 | SEC |
| May 13, 20258:30 AM ET | Bess Laneand 2 others | 13D/A | 10.80%11.0M shares | +1.40 ppfrom 9.40% | May 13, 2025 | SEC |
| Feb 14, 20255:56 PM ET | Meteora Capital, LLCand 1 other | 13G | 6.35%947.4K shares | −16.73 ppfrom 23.08% | Dec 31, 2024 | SEC |
| Feb 14, 20253:06 PM ET | Vivaldi Asset Management, LLCand 3 others | 13G/A | 0.00%0 shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 14, 202510:46 AM ET | Meteora Capital, LLCand 1 other | 13G | 23.08%947.4K shares | New | Dec 31, 2024 | SEC |
| Jan 21, 20259:23 PM ET | Ava Investors SAand 4 others | 13G | 17.44%17.7M shares | New | Jan 13, 2025 | SEC |
| Jan 21, 20254:05 PM ET | Rizvi Suhailand 1 other | 13G | 2.95%2.99M shares | NewBelow 5% | Jan 13, 2025 | SEC |
| Jan 21, 20251:49 PM ET | Boothbay Fund Management, LLCand 2 others | 13G | 8.40%343.6K shares | New | Jan 14, 2025 | SEC |
| Jan 21, 20259:13 AM ET | Temasek Holdings (Private) Ltdand 3 others | 13G | 6.30%6.35M shares | New | Jan 13, 2025 | SEC |
| Jan 21, 20258:00 AM ET | Bess Laneand 2 others | 13D | 9.40%9.52M shares | New | Jan 13, 2025 | SEC |
| Dec 28, 2021 | Burtech LP LLC | 13DOld format | – | New | – | SEC |
| Dec 23, 2021 | Saba Capital Management, L.P. | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Blaize Holdings, Inc. shares.
No Form 144 notices for Blaize Holdings, Inc. are on file.