Latest Period
Q1 2026
Security Snapshot
BLACK SPADE ACQUISITION III - Class A ordinary shares (BIIIU) Institutional Ownership
CUSIP: G1154S129
13F Institutional Holders and Ownership History from Q1 2026 to Q2 2026
Institutions Reporting
17
Shares (Excl. Options)
3,779,274
Price
$10.00
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- Security type / class
- Equity / Class A ordinary shares
- Symbol
- BIIIU
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 3,779,274
- Total 13F value
- $37,792,620
- Portfolio coverage rank
- 0%
- Share change
- +3,741,774
- Value change
- +$37,417,620
- Number of holders
- 17
- Shares outstanding
- 14,925,373
- SEC-reported price per share
- $10.17
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- BIIIU - BLACK SPADE ACQUISITION III - Class A ordinary shares is tracked under CUSIP G1154S129.
- 17 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 17 to 0 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $37,792,620 to $0.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 17 institutions filings for Q1 2026.
Security key
G1154S129
Latest holder period
Q1 2026
13F holders
17
13D/G owners
1
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G1154S129:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
BIIIU
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT Co., L.P. | 6.7% | 1,000,000 | Tenor Capital Management Company, L.P. | 06 Jan 2026 |
As of 31 Mar 2026, 17 institutional investors reported holding 3,779,274 shares of BLACK SPADE ACQUISITION III - Class A ordinary shares (BIIIU). This represents 25% of the company’s total 14,925,373 outstanding shares.
13F concentration
Top 17 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
25%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC | 4% | 600,000 | 0% | $6,000,000 | |
| SONA ASSET MANAGEMENT (US) LLC | 4% | 600,000 | 0.23% | $6,000,000 | |
| Wealthspring Capital LLC | 3.7% | 558,890 | 1.3% | $5,588,900 | |
| LMR Partners LLP | 3.4% | 500,000 | 0.05% | $5,000,000 | |
| TORONTO DOMINION BANK | 2.7% | 400,000 | 0.01% | $4,000,000 | |
| OMERS ADMINISTRATION Corp | 2% | 300,000 | 0.02% | $3,000,000 | |
| MMCAP International Inc. SPC | 1.7% | 250,000 | 0.22% | $2,500,000 | |
| Lineage Point Capital LP | 1.1% | 165,000 | 0.4% | $1,650,000 | |
| Bulldog Investors, LLP | 1% | 150,000 | 0.34% | $1,500,000 | |
| BOOTHBAY FUND MANAGEMENT, LLC | 0.5% | 75,000 | 0.02% | $750,000 | |
| Schonfeld Strategic Advisors LLC | 0.35% | 52,320 | 0% | $523,200 | |
| GTS SECURITIES LLC | 0.28% | 41,988 | 0.01% | $419,880 | |
| Quarry LP | 0.25% | 37,500 | 0.08% | $375,000 | |
| RLH Capital LLC | 0.25% | 37,500 | 0% | 0.19% | $375,000 |
| Clear Street Group Inc. | 0.04% | 6,057 | 0% | $60,570 | |
| GLAZER CAPITAL, LLC | 0.03% | 5,012 | 0% | $50,000 | |
| Magnetar Financial LLC | 0% | 7 | 0% | $70 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Latest
Q1 2026
Rows shown
1-2 of 2