# EDGAR Filing Document

**Accession Number:** 0001441449
**File Stem:** 0001140361-25-045252
**Filing Date:** 2025-12
**Character Count:** 7917
**Document Hash:** 79509cb23b1721c14d3e8af145600685
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-045252.hdr.sgml**: 20251211

**ACCESSION NUMBER**: 0001140361-25-045252

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251211

**DATE AS OF CHANGE**: 20251211

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** West Bay BDC LLC
- **CENTRAL INDEX KEY:** 0002020354

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

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94658
- **FILM NUMBER:** 251564997

**BUSINESS ADDRESS:**
- **STREET 1:** 200 WEST STREET
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10282
- **BUSINESS PHONE:** 312-655-4419

**MAIL ADDRESS:**
- **STREET 1:** 200 WEST STREET
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10282
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Qatar Investment Authority
- **CENTRAL INDEX KEY:** 0001441449

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** S3
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** OOREDOO TOWER (BUILDING 14),
- **STREET 2:** AL DAFNA ST (STREET 801)
- **CITY:** DOHA
- **STATE:** S3
- **ZIP:** QATAR
- **BUSINESS PHONE:** 974 441 4466

**MAIL ADDRESS:**
- **STREET 1:** P.O. BOX 23224
- **CITY:** DOHA
- **STATE:** S3
- **ZIP:** QATAR

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 5)**

**West Bay BDC LLC**

*(Name of Issuer)*

**Units of Limited Liability Company Interests**

*(Title of Class of Securities)*

**000000000**

*(CUSIP Number)*

**Qatar Investment Authority**<br>Ooredoo Tower, Bldg. 14<br>Dafna St. (St. 801), Zone 61, P.O. 23224<br>Doha S3 00000<br>974 4499 5919

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**12/10/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **000000000** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Qatar Investment Authority** | Name of reporting person<br>**Qatar Investment Authority** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**S3** | Citizenship or place of organization<br>**S3** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**9946940.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**9946940.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**9946940.00** | Aggregate amount beneficially owned by each reporting person<br>**9946940.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**97.08%** | Percent of class represented by amount in Row (11)<br>**97.08%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

**Comment for Reporting Person:** * Based on 10,245,848.473 Units issued and outstanding as of approximately November 28, 2025, based on information filed with the Securities and Exchange Commission with respect to the Issuer on November 28, 2025, which does not give effect to the issuance of Units pursuant to Drawdown Notices dated December 8, 2025.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Units of Limited Liability Company Interests

**(b) Name of Issuer:**
West Bay BDC LLC

**(c) Address of Issuer's Principal Executive Offices:**
200 West Street, New York, NY, 10282

This is Amendment No. 5 (the "Amendment No. 5") to the Schedule 13D filed with the U.S. Securities and Exchange Commission (the "SEC") by Qatar Investment Authority ("QIA"), the sovereign wealth fund of the State of Qatar, on October 16, 2024, as amended by Amendment No. 1 filed on November 22, 2024, as further amended by Amendment No. 2 filed on March 14, 2025, Amendment No. 3 filed on September 16, 2025 and Amendment No. 4 filed on November 20, 2025 (as so amended, the "Schedule 13D"). This Amendment No. 5 amends and supplements or supersedes, as the case may be, the Schedule 13D as specifically set forth herein.  

Information reported and defined terms used in the Schedule 13D remain in effect except to the extent that they are amended, supplemented or superseded by information or defined terms contained in this Amendment No. 5.

**Item 4. Purpose of Transaction**

Item 4 of the Schedule 13D is amended, supplemented and superseded, as the case may be, as follows:

The information in Items 3, 5 and 6 of this Amendment No. 5 is incorporated into this Item 4 by reference.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Item 5 of the Schedule 13D is hereby amended and restated as follows:

The information provided in this Item 5 is as of November 28, 2025 and does not give effect to the issuance of Units pursuant to the Drawdown Notices dated December 8, 2025.

The Reporting Person has sole voting and dispositive power over 9,946,940.54 Units, representing 97.08% of the outstanding Units.  The beneficial ownership percentage assumes that there are 10,245,848.473 Units outstanding, does not give effect to the issuance of Units pursuant to the Drawdown Notices dated December 8, 2025 and is based on information provided by the Issuer.

**(b)**
Number of Units to which the Reporting Person has:

(i) Sole power to vote or direct the vote: 9,946,940.54
(ii) Shared power to vote or direct the vote: 0.00
(iii) Sole power to dispose or direct the disposition: 9,946,940.54
(iv) Shared power to dispose or direct the disposition: 0.00

**(c)**
The information in Item 3 is incorporated herein by reference.  Except as disclosed in Amendment No. 4 to Schedule 13D, dated November 20, 2025, the Reporting Person has not effected any transactions in Units during the past sixty days.  The Reporting Person, through the Investor, expects to acquire Units on December 23, 2025 in the amount of the Sixth Purchase Amount at the then applicable price per Unit, at which time the Reporting Person will file Form 4 to report the acquisition of such Units.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Item 6 of the Schedule 13D is supplemented and superseded, as the case may be, as follows:

The information in Items 3, 4 and 5 of this Amendment No. 5 is incorporated into this Item 6 by reference.

### 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.

**Reporting Person:** Qatar Investment Authority

**Signature:** /s/ Mohammed Fahad Al Khulaifi

**Name/Title:** Mohammed Fahad Al Khulaifi/ Head of Compliance

**Date:** 12/11/2025