As of November 6, 2026, one holder's latest Schedule 13D or 13G filing report owning 5% or more of West Bay BDC LLC. The largest reported stake is Qatar Investment Authority's, at 97.08%. 6 filings are on record since September 16, 2025 (Schedule 13D/A, July 29, 2026).
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Key facts
- · Reporting person: Qatar Investment Authority · Sole voting: 16,126,522 · Shared voting: 0 · Sole dispositive: 16,126,522 · Shared dispositive: 0 · SCHEDULE 13D/A, 2026-07-29
- · Holder: Qatar Investment Authority · Percent: 97.08% · SCHEDULE 13D/A
- · Holder: Qatar Investment Authority · Percent: 97.08% · SCHEDULE 13D/A
- · Holder: Qatar Investment Authority · Percent: 97.08% · SCHEDULE 13D/A
- · Holder: Qatar Investment Authority · Percent: 97.08% · SCHEDULE 13D/A
West Bay BDC LLC has 6 Schedule 13D or 13G filings on record since 2025-09-16. 1 holder's latest filing reports 5% or more of units of limited liability company interests. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Qatar Investment Authority | 97.08% | 16,126,522 | SCHEDULE 13D/A, 2026-07-29 | 2026-07-27 |
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Keep reading
More on West Bay BDC LLC and the records around it.
West Bay BDC LLC elsewhere on the record
- Leadership changes Aug 2026
Companies that share a holder
- Qatar Investment Authority also filed stake reports on 11 other companies: Aspen Neuroscience, Inc. (Nov 2026), Global Business Travel Group, Inc. (Sep 2026), Nanobiotix SA (Jul 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Qatar Investment Authority | 16,126,522 | 0 | 16,126,522 | 0 | SCHEDULE 13D/A, 2026-07-29 |
The latest filing identifies West Bay BDC LLC by CUSIP 000000000 and gives its principal executive office as 200 West Street, New York, NY 10282 (SCHEDULE 13D/A, 2026-07-29).
Source of funds (Item 3)
The information in Items 4, 5 and 6 of this Amendment No. 8 is incorporated into this Item 3 by reference. The response set forth in Item 3 of the Schedule 13D is amended and supplemented as follows: On July 27, 2026, the Issuer delivered a Drawdown Notice, dated July 24, 2026, to the Investor to purchase Units on August 7, 2026 in an aggregate amount equal to $27,000,000 (the "Ninth Purchase Amount") at the then-applicable price per unit, which has not been determined as of the date hereof.Qatar Investment Authority, SCHEDULE 13D/A, 2026-07-29
Purpose of Transaction (Item 4)
Qatar Investment Authority
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. 8 is incorporated into this Item 4 by reference.Item 4 of the SCHEDULE 13D/A filed 2026-07-29
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-09-16 | Qatar Investment Authority | 97.08% | SCHEDULE 13D/A |
| 2025-11-20 | Qatar Investment Authority | 97.08% | SCHEDULE 13D/A |
| 2025-12-11 | Qatar Investment Authority | 97.08% | SCHEDULE 13D/A |
| 2026-02-25 | Qatar Investment Authority | 97.08% | SCHEDULE 13D/A |
| 2026-06-08 | Qatar Investment Authority | 97.08% | SCHEDULE 13D/A |
| 2026-07-29 | Qatar Investment Authority | 97.08% | SCHEDULE 13D/A |
Questions about who owns West Bay BDC LLC
Who owns West Bay BDC LLC?
On this page, one holder's latest ownership filing reports 5% or more of West Bay BDC LLC: Qatar Investment Authority (97.08%, Schedule 13D/A, filed 2026-07-29).
When did Qatar Investment Authority buy into West Bay BDC LLC?
The filings give report dates, not purchase dates. The earliest filing from Qatar Investment Authority on this page is the Schedule 13D/A, filed 2025-09-16, reporting 97.08%; its latest, Schedule 13D/A filed 2026-07-29, reports 97.08%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 6 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
Also on the record for West Bay BDC LLC
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| August 6, 2026 | Leadership change: David Miller departs, Chief Executive Officer, and 1 more | — | Leadership changes | Source |
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.