# EDGAR Filing Document

**Accession Number:** 0001838615
**File Stem:** 0000945621-25-001256
**Filing Date:** 2025-12
**Character Count:** 11598
**Document Hash:** ce4b1eadbb0660a84a657bbd4f7a9f5e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000945621-25-001256.hdr.sgml**: 20251229

**ACCESSION NUMBER**: 0000945621-25-001256

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251229

**DATE AS OF CHANGE**: 20251229

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AlTi Global, Inc.
- **CENTRAL INDEX KEY:** 0001838615
- **STANDARD INDUSTRIAL CLASSIFICATION:** INVESTMENT ADVICE [6282]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-92565
- **FILM NUMBER:** 251609599

**BUSINESS ADDRESS:**
- **STREET 1:** 22 VANDERBILT
- **STREET 2:** 27TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017
- **BUSINESS PHONE:** 212-461-6363

**MAIL ADDRESS:**
- **STREET 1:** 22 VANDERBILT
- **STREET 2:** 27TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Alvarium Tiedemann Holdings, Inc.
- **DATE OF NAME CHANGE:** 20230104

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Cartesian Growth Corp
- **DATE OF NAME CHANGE:** 20201231
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Islet Management, LP
- **CENTRAL INDEX KEY:** 0001721508

**ORGANIZATION NAME:**
- **EIN:** 822924162
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE, 27TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212.381.1990

**MAIL ADDRESS:**
- **STREET 1:** 590 MADISON AVENUE, 27TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** ALTi Global, Inc.

**Title of Class of Securities:** Class A Common Stock, Par Value $0.0001 Per Share

**CUSIP Number:** 02157E106

**Date of Event Which Requires Filing of this Statement:** 11/17/2025

**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>Islet Management, LP | Names of Reporting Persons<br>Islet Management, LP |
|:---|:---|:---|:---|
| 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>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>5422100 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>5422100 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>5422100 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>5422100 |
| 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>5.27% | Percent of Class Represented by Amount in Row (9)<br>5.27% |
| 12. | Type of Reporting Person (See Instructions)<br>IA | Type of Reporting Person (See Instructions)<br>IA |

**Comment for Type of Reporting Person:** *Reflects beneficial ownership consisting of shares of Common Stock and shares of Common Stock issuable upon exercise of call options.

---

| 1. | Names of Reporting Persons<br>Joseph Samuels | Names of Reporting Persons<br>Joseph Samuels |
|:---|:---|:---|:---|
| 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>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>5422100 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>5422100 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>5422100 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>5422100 |
| 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>5.27% | Percent of Class Represented by Amount in Row (9)<br>5.27% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** **Reflects beneficial ownership consisting of shares of Common Stock and shares of Common Stock issuable upon exercise of call options.

---

**Item 1(a). Name of Issuer:**
ALTi Global, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
22 Vanderbilt Avenue, 27th Floor, New York, NY, United States, 10017

**Item 2(a). Name of Person Filing:**
This Schedule 13G filing relates to shares of Class A common stock, $0.0001 par value per share (the "Common Stock"), of the Issuer.
This Schedule 13G is being filed on behalf of the following persons/entities (collectively, the "Reporting Persons"): Islet Management, LP ("Islet") Joseph Samuels

**Item 2(b). Address of Principal Business Office:**
590 Madison Avenue, 27th Floor, New York, NY 10022

**Item 2(c). Citizenship:**
Islet is organized under the laws of the State of Delaware. 
Joseph Samuels is a United States citizen.

**Item 2(d). Title of Class of Securities:**
Class A Common Stock, Par Value $0.0001 Per Share

**Item 2(e). CUSIP Number:**
02157E106

**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:**

The responses to Items 5-11 of the cover pages of this Schedule 13G are incorporated herein by reference.
Islet acts as investment manager to, and exercises investment discretion with respect to three accounts that hold the securities of the Issuer described herein (the "Accounts"). Mr. Samuels is the Chief Executive Officer and Chief Investment Officer of Islet. As investment manager to the Accounts, Islet, pursuant to investment advisory agreements, has discretionary investment authority and voting power with respect to the Common Stock beneficially owned by the Accounts. Thus, it could be deemed to have the power to vote and dispose or direct the disposition of such Common Stock held by the Accounts.
As the Chief Executive Officer and Chief Investment Officer of Islet, Mr. Samuels has the ability to exercise investment discretion over the Accounts. Thus, he could be deemed to share the power to vote and dispose or direct the disposition of the Common Stock beneficially owned by the Accounts.
As of December 29, 2025, the Accounts directly beneficially owned 5,422,100 shares of Common Stock representing 5.27% of the shares of Class A Ordinary outstanding, including 399,100 shares of Common Stock issuable upon exercise of call options.
Calculations of the percentage of shares of Common Stock beneficially owned are based on 102,464,812 shares of Common Stock outstanding as of November 7, 2025, as reported in the Quarterly Report on Form 10-K filed by the Issuer with the Securities and Exchange Commission on November 13, 2025.

**(b) Percent of class:**

See Item 4(a) above

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

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

See Item 5 of each cover page hereof.

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

See Item 6 of each cover page hereof.

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

See Item 7 of each cover page hereof.

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

See Item 8 of each cover page hereof.

**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.

**Islet Management, LP**

**Date:** 12/29/2025

**By:** /s/ Rebecca Waldman

**Name & Title:** Rebecca Waldman, General Counsel

**Joseph Samuels**

**Date:** 12/29/2025

**By:** /s/ Joseph Samuels

**Name & Title:** Joseph Samuels