# BEST SPAC I ACQUISITION CORP (BSAA)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/BSAA/

- Reporting holders: 5
- Reported value: $5.6M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [MIZUHO SECURITIES USA LLC](https://holderbook.com/funds/812291-mizuho-securities-usa-llc/) | $5.4M | 533,699 | 0.1% | 4 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $167.5K | 14,437 | 0.0% | 3 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $53.2K | 4,480 | 0.0% | 4 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $4.7K | 397 | 0.0% | 4 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $332 | 28 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 5 | $5.6M |
| Q1 2026 | 29 | $44.5M |
| Q4 2025 | 28 | $43.3M |
| Q3 2025 | 19 | $35.1M |