BEST SPAC I ACQUISITION CORP BSAA
USD CL A ORD SHS · Common Stock · CUSIP G1069P103
- IndustryServices-Educational Services
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $10.17.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2025 | 19 |
| Q4 2025 | 28 |
| Q1 2026 | 29 |
| Q2 2026 | 5 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2025 | 15 | 3 |
| Q1 2026 | 8 | 6 |
| Q2 2026 | 2 | 26 |
Biggest buyers
| UBS Group AG | Added | +1.2k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | +520 |
Biggest sellers
| WOLVERINE ASSET MANAGEMENT LLC | Sold out | -518.6k |
| BERKLEY W R CORP | Sold out | -437.8k |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | Sold out | -400.0k |
| Hudson Bay Capital Management LP | Sold out | -275.0k |
| Shaolin Capital Management LLC | Sold out | -223.3k |
| GLAZER CAPITAL, LLC | Sold out | -193.2k |
| Polar Asset Management Partners Inc. | Sold out | -185.1k |
| HEIGHTS CAPITAL MANAGEMENT, INC | Sold out | -175.0k |
| Karpus Management, Inc. | Sold out | -170.5k |
| Radcliffe Capital Management, L.P. | Sold out | -170.0k |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
Tsang Claudius
13D · may seek influence
new · filed 2026-09-29
Stated purposeThe information set forth in Item 3 of this Schedule 13D is hereby incorporated by reference into this Item 4. The Reporting Person, at any time and from time to time, may directly or indirectly acquire additional securities of the Issuer, depending upon an ongoing evaluation of its investment in such securities, applicable legal and/or contractual restrictions, prevailing market conditions, other investment opportunities, liquidity requirements of the Reporting Person and/or other investment considerations. Except as described in this Statement, the Reporting Person does not have any present plans or proposals that relate to or would result in any of the actions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D, except as set forth herein or such as would occur upon o… Full filing |
80.0% |
| BEST SPAC I (Holdings) Corp. 13G · exempt (held before listing) new · filed 2025-08-01 | 22.3% |
Fell to 5% or below in the last year: Chen Yun (0.0%, 2026-09-29), MIZUHO FINANCIAL GROUP INC (0.0%, 2026-08-13), BERKLEY W R CORP (0.0%, 2026-08-05), RIVERNORTH CAPITAL MANAGEMENT, LLC (0.0%, 2026-07-09), Feis Equities LLC (0.0%, 2026-05-22)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| MIZUHO SECURITIES USA LLC 0.05% of their portfolio | 533.7k $5.4m | Unchanged |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 14.4k $167.5k | Added +520 |
| UBS Group AG 0.00% of their portfolio | 4.5k $53.2k | Added +1.2k |
| Clear Street Group Inc. 0.00% of their portfolio | 397 $4.7k | Reduced -165.5k |
| MORGAN STANLEY 0.00% of their portfolio | 28 $332 | Reduced -6 |