# EDGAR Filing Document

**Accession Number:** 0001871638
**File Stem:** 0001193125-26-140861
**Filing Date:** 2026-4
**Character Count:** 14614
**Document Hash:** 225c2ba74ac055f92f9a5698ef9a7f2c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-140861.hdr.sgml**: 20260402

**ACCESSION NUMBER**: 0001193125-26-140861

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260402

**DATE AS OF CHANGE**: 20260402

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Blaize Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001871638
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-93191
- **FILM NUMBER:** 26836398

**BUSINESS ADDRESS:**
- **STREET 1:** 4659 GOLDEN FOOTHILL PARKWAY, SUITE 206
- **CITY:** EL DORADO HILLS
- **STATE:** CA
- **ZIP:** 95762
- **BUSINESS PHONE:** (916) 347-0050

**MAIL ADDRESS:**
- **STREET 1:** 4659 GOLDEN FOOTHILL PARKWAY, SUITE 206
- **CITY:** EL DORADO HILLS
- **STATE:** CA
- **ZIP:** 95762

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BurTech Acquisition Corp.
- **DATE OF NAME CHANGE:** 20210708
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Ava Investors SA
- **CENTRAL INDEX KEY:** 0002048130

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** V8
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** RUE DU RHONE 78
- **CITY:** GENEVA
- **STATE:** V8
- **ZIP:** 1204
- **BUSINESS PHONE:** 41 78 222 01 27

**MAIL ADDRESS:**
- **STREET 1:** RUE DU RHONE 78
- **CITY:** GENEVA
- **STATE:** V8
- **ZIP:** 1204

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**Issuer:** Blaize Holdings, Inc.

**Title of Class of Securities:** Common Stock, par value $0.0001 per share

**CUSIP Number:** —

**Date of Event Which Requires Filing of this Statement:** 03/31/2026

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Ava Investors S.A. | Names of Reporting Persons<br>Ava Investors S.A. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>V8 | Citizenship or Place of Organization<br>V8 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>11737254.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>11737254.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11737254.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11737254.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>9.56% | Percent of Class Represented by Amount in Row (9)<br>9.56% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

**Comment for Type of Reporting Person:** Consists of 11,737,254 shares of Common Stock of the Issuer held by Ava Private Markets S.a r.l. (Ava Private Markets) and affiliates. Ava Investors S.A. is the investment manager of Ava Private Markets and exercises investment power with respect to the securities held by Ava Private Markets. Raphaelle Mahieu and Benjamin Hazan may be deemed to exercise investment power with respect to the securities. Each of the persons above disclaims any beneficial ownership of the securities, except to the extent of any pecuniary interest therein.  Excludes securities beneficially owned by Barthelemy Debray.  Mr. Debray no longer serves as a director or manager of Ava Investors S.A. or Ava Private Markets S.a r.l., respectively, and has ceased to be a Reporting Person for purposes of this Schedule 13G. The transaction to which this Amendment to Schedule 13G relates is a distribution of Common Stock for no consideration.
Percent of class is based on 122,744,509 shares of Common Stock of the Issuer outstanding as set forth in the Issuer's Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 24, 2026.

---

| 1. | Names of Reporting Persons<br>Ava Private Markets S.a r.l. | Names of Reporting Persons<br>Ava Private Markets S.a r.l. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>N4 | Citizenship or Place of Organization<br>N4 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>11737254.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>11737254.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11737254.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11737254.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>9.56% | Percent of Class Represented by Amount in Row (9)<br>9.56% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

**Comment for Type of Reporting Person:** See comments to first cover page.

---

| 1. | Names of Reporting Persons<br>Raphaelle Mahieu | Names of Reporting Persons<br>Raphaelle Mahieu |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>V8 | Citizenship or Place of Organization<br>V8 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>11737254.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11737254.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11737254.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>9.56% | Percent of Class Represented by Amount in Row (9)<br>9.56% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** See comments to first cover page.

---

| 1. | Names of Reporting Persons<br>Benjamin Hazan | Names of Reporting Persons<br>Benjamin Hazan |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>V8 | Citizenship or Place of Organization<br>V8 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>11737254.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11737254.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>11737254.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>9.56% | Percent of Class Represented by Amount in Row (9)<br>9.56% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** See comments to first cover page.

---

**Item 1(a). Name of Issuer:**
Blaize Holdings, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
Blaize Holdings, Inc., 4659 Golden Foothill Parkway, Suite 206, El Dorado Hills, CA 95762

**Item 2(a). Name of Person Filing:**
This statement is filed on behalf of each of the following persons:
1. Ava Investors S.A.
2. Ava Private Markets S.a r.l., acting in respect of its Compartment Blaize
3. Raphaelle Mahieu
4. Benjamin Hazan

**Item 2(b). Address of Principal Business Office:**
The registered offices of Ava Investors S.A., Raphaelle Mahieu and Benjamin Hazan are located at Rue du Rhone 78, 1204 Geneva, Switzerland.

The registered offices of Ava Private Markets S.a r.l. are located at 6, rue Dicks L-1417 Luxembourg, Grand Duchy of Luxembourg.

**Item 2(c). Citizenship:**
See responses to Item 4 on each cover page.

**Item 2(d). Title of Class of Securities:**
Common Stock, par value $0.0001 per share

**Item 2(e). CUSIP Number:**
—

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

See responses to Item 9 on each cover page.

**(b) Percent of class:**

See responses to Item 11 on each cover page.

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

See responses to Item 5 on each cover page.

**(ii) Shared power to vote or to direct the vote:**

See responses to Item 6 on each cover page.

**(iii) Sole power to dispose or to direct the disposition of:**

See responses to Item 7 on each cover page.

**(iv) Shared power to dispose or to direct the disposition of:**

See responses to Item 8 on each cover page.

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Ava Investors S.A.**

**Date:** 04/02/2026

**By:** /s/ Raphaelle Mahieu

**Name & Title:** Raphaelle Mahieu, Director

**Ava Private Markets S.a r.l.**

**Date:** 04/02/2026

**By:** /s/ Raphaelle Mahieu

**Name & Title:** Raphaelle Mahieu, Manager Class A

**Raphaelle Mahieu**

**Date:** 04/02/2026

**By:** /s/ Raphaelle Mahieu

**Name & Title:** Raphaelle Mahieu

**Benjamin Hazan**

**Date:** 04/02/2026

**By:** /s/ Benjamin Hazan

**Name & Title:** Benjamin Hazan