As of November 10, 2026, Black Spade Acquisition III Co is a publicly traded company (NYSE: BIII); its largest reported holder is Black Spade Sponsor LLC III, with 22.3% on Schedule 13G of August 25, 2026, then RP Investment Advisors LP (8.3%). No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13G, August 25, 2026).
Is this your company?
About to sign with, pay or invest in Black Spade Acquisition III Co? See the free Snapshot first.
Free to see. No signup.
Is Black Spade Acquisition III Co a real, registered company?
- Black Spade Acquisition III Co files with the SEC under CIK 2087087 (its SEC filings).
- Its shares are listed under the ticker BIII on NYSE (also BIII-UN, BIII-WT) (SEC company record).
- Incorporated in K3, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under BLACK SPADE ACQUISITION III CO in our court records and SEC 8-K records (as of 2026-11-10).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names W. R. Berkley Corporation (filed 2026-11-09).
Who are Black Spade Acquisition III Co's owners and officers?
Black Spade Acquisition III Co: industry Communications Services, NEC (Schedule 13G, 2026-11-09).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-11-09 | W. R. Berkley Corporation | 6.4% |
| Schedule 13G, 2026-08-25 | Black Spade Sponsor LLC Iii | 22.3% |
| Schedule 13G/A, 2026-05-15 | Rp Investment Advisors LP | 8.3% |
| Schedule 13G, 2026-05-14 | Aristeia Capital, L.L.C. | 6.38% |
| Schedule 13G, 2026-05-13 | Magnetar Financial LLC | 5.79% |
| Schedule 13G, 2026-02-11 | Rp Investment Advisors LP | 5.2% |
| Schedule 13G, 2026-01-09 | Tenor Capital Management Company, L.P. | 6.7% |
Questions about who owns Black Spade Acquisition III Co
Who owns Black Spade Acquisition III Co?
On this page, 6 holders' latest ownership filings report 5% or more of Black Spade Acquisition III Co: Black Spade Sponsor LLC Iii (22.3%, Schedule 13G, filed 2026-08-25), Rp Investment Advisors LP (8.3%, Schedule 13G/A, filed 2026-05-15), Tenor Capital Management Company, L.P. (6.7%, Schedule 13G, filed 2026-01-09), W. R. Berkley Corporation (6.4%, Schedule 13G, filed 2026-11-09) and Aristeia Capital, L.L.C. (6.38%, Schedule 13G, filed 2026-05-14); 1 more is listed above.
Who are the largest shareholders of Black Spade Acquisition III Co?
By the share each holder's latest filing reports, the largest holders of Black Spade Acquisition III Co on this page are Black Spade Sponsor LLC Iii (22.3%), Rp Investment Advisors LP (8.3%) and Tenor Capital Management Company, L.P. (6.7%).
When did Black Spade Sponsor LLC Iii buy into Black Spade Acquisition III Co?
The filings give report dates, not purchase dates. The earliest filing from Black Spade Sponsor LLC Iii on this page is the Schedule 13G, filed 2026-08-25, reporting 22.3%.
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%); 7 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.
Want the whole picture on Black Spade Acquisition III Co?
Example from a real report (our sample on Target): “Target eliminated approximately 1,800 corporate positions, with around 1,000 employees receiving layoff notices and the remainder accounted for by eliminating open roles.” Source: NBC News
A Full Report on Black Spade Acquisition III Co: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Black Spade Acquisition III Co covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
13 cited sources found
Plus the sections for what you are deciding, which you pick after ordering.
A real finished report, first screen. Opens in a new tab.
How much has Black Spade Acquisition III Co raised?
Latest IPO step: Black Spade Acquisition III Co amended its IPO registration (S-1/A, 2026-01-05).
IPO filings: S-1/A, 2026-01-05, S-1/A, 2025-12-18, S-1/A, 2025-12-12, S-1/A, 2025-12-05, S-1, 2025-09-30.
Keep reading
More on Black Spade Acquisition III Co and the records around it.
Black Spade Acquisition III Co elsewhere on the record
- 5%+ stake filings Nov 2026
Companies that share a holder
- RP Investment Advisors LP also filed stake reports on 17 other companies: Yorkville International Capital Corp. (Sep 2026), Amanat Acquisition Corp. (Aug 2026), ProCap Acquisition Corp (Aug 2026)
- Tenor Capital Management Company, L.P. also filed stake reports on 41 other companies: Archimedes Tech SPAC Partners II Co. (Aug 2026), Armada Acquisition Corp. II (Aug 2026), Blue Acquisition Corp. (Aug 2026)
- Aristeia Capital, L.L.C. also filed stake reports on 54 other companies: Apogee Acquisition Corp (Aug 2026), ARC Group Acquisition I Corp (Aug 2026), ClearThink 1 Acquisition Corp. (Aug 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
https://mentionfox.com/who-owns/black-spade-acquisition-iii