BEST SPAC I ACQUISITION CORP (BSAA)
Institutional ownership reported to the SEC as of Q2 2026, across 4 quarters.
5
Reporting holders
$5.6M
Reported value
0.0%
Held as options
-22
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| MIZUHO SECURITIES USA LLC | $5.4M | 533,699 | 0.05% | 4q | HELD |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $167.5K | 14,437 | 0.00% | 3q | +3.7%+$6.0K |
| UBS Group AG | $53.2K | 4,480 | 0.00% | 4q | +38.4%+$14.8K |
| Clear Street Group Inc. | $4.7K | 397 | 0.00% | 4q | -99.8%-$2.0M |
| MORGAN STANLEY | $332 | 28 | 0.00% | 3q | -17.6% |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-08-13 | 13G/A | Mizuho Financial Group, Inc. SPAC | 0.0% |
| 2026-08-05 | 13G/A | W. R. Berkley Corporation SPACwith 1 co-filers | 0.0% |
| 2026-07-09 | 13G/A | RIVERNORTH CAPITAL MANAGEMENT, LLC | 0.0% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 5 | $5.6M | 553,041 | 0 | 2 | 2 | 0.0% |
| Q1 2026 | 27 | $42.1M | 4,110,460 | 1 | 6 | 3 | 0.0% |
| Q4 2025 | 26 | $40.8M | 4,038,769 | 8 | 6 | 3 | 0.0% |
| Q3 2025 | 17 | $33.2M | 3,311,200 | 16 | 0 | 0 | 0.0% |