SPACSphere Acquisition Corp.
Ownership
Ownership Structure
Who owns SPACSphere Acquisition Corp. (SSAC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 69.6% of the shares are freely tradable; institutional investors hold 76.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Mizuho Securities USA Inc | 6.45 | 1,504,075 | +206.0 | 06/30/2026 |
| Polar Asset Management Partners | 6.39 | 1,490,000 | +0.0 | 06/30/2026 |
| Highbridge Capital Management, LLC | 6.11 | 1,425,000 | +2.5 | 06/30/2026 |
| Karpus Management Inc | 5.36 | 1,248,875 | +2.6 | 06/30/2026 |
| Wolverine Asset Management LLC | 4.99 | 1,163,230 | +245.0 | 06/30/2026 |
| Berkley W R Corp | 3.30 | 768,983 | +34.1 | 06/30/2026 |
| D. E. Shaw & Co LP | 2.22 | 517,000 | +0.0 | 06/30/2026 |
| Glazer Capital, LLC | 2.19 | 509,589 | +72.7 | 06/30/2026 |
| Westchester Capital Management LLC | 2.14 | 500,000 | +0.0 | 06/30/2026 |
| Linden Advisors LLC | 1.93 | 450,000 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.