Form
SCHEDULE 13D
Active or control-oriented beneficial ownership filing.
Yorkville BW Acquisition Sponsor, LLC - 25 Nov 2025 SCHEDULE 13D Report for Blue Water Acquisition Corp. III Class A Ordinary Shares, $0.0001 par value (BLUW)
- Filing manager
- Yorkville BW Acquisition Sponsor, LLC
- Reporting owner
- Yorkville BW Acquisition Sponsor, LLC
- Beneficially owned shares
- 6,755,000 shares
- Large-stake signal
-
Ownership
21%Beneficial ownership of this reported class.
Shares
6,755,000 sharesShares beneficially owned as disclosed.
Event date
25 Nov 2025Date tied to the ownership event or amendment.
Accepted by SEC
02 Dec 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 21%
- Symbol
- BLUW
- Shares outstanding
- 32,320,574 shares
- SEC form
- SCHEDULE 13D
- Accepted by SEC
- 02 Dec 2025, 17:19:31 UTC
- Event date
- 25 Nov 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
Yorkville BW Acquisition Sponsor, LLC disclosed 21% ownership in Blue Water Acquisition Corp. III Class A Ordinary Shares, $0.0001 par value (BLUW) on 25 Nov 2025.
Key facts
- Yorkville BW Acquisition Sponsor, LLC filed SCHEDULE 13D for Blue Water Acquisition Corp. III Class A Ordinary Shares, $0.0001 par value (BLUW).
- Disclosed ownership: 21%.
- Date of event: 25 Nov 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 02 Dec 2025, 17:19.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (9)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Yorkville BW Acquisition Sponsor, LLC | 21% | 6,755,000 | 6,755,000 | 0 | /s/ Mark Angelo | Mark Angelo, President | 0002098097 |
| YA II PN, Ltd. | 21% | 6,755,000 | 0 | 6,755,000 | /s/ Mark Angelo | Mark Angelo, President | |
| YA Global Investments II (U.S.), LP | 21% | 6,755,000 | 0 | 6,755,000 | /s/ Mark Angelo | Mark Angelo, President | |
| Yorkville Advisors Global, LP | 21% | 6,755,000 | 0 | 6,755,000 | /s/ Mark Angelo | Mark Angelo, President | |
| Yorkville Advisors Global II, LLC | 21% | 6,755,000 | 0 | 6,755,000 | /s/ Mark Angelo | Mark Angelo, President | |
| YAII GP, LP | 21% | 6,755,000 | 0 | 6,755,000 | /s/ Mark Angelo | Mark Angelo, President | |
| YAII GP II, LLC | 21% | 6,755,000 | 0 | 6,755,000 | /s/ Mark Angelo | Mark Angelo, President | |
| Mark Angelo | 21% | 6,755,000 | 0 | 6,755,000 | /s/ Mark Angelo | Mark Angelo, President | |
| SC-Sigma Global Partners, LP | 21% | 6,755,000 | 0 | 6,755,000 | /s/ Mark Angelo | Mark Angelo, President |
CIK / CUSIP context first