BEST SPAC I Acquisition Corp.
BSAA- Exchange
- Nasdaq
- Industry
- Services-Educational Services
- SEC CIK
- 0002051587
No open-market purchases or sales by BEST SPAC I Acquisition Corp. insiders were filed in the last 90 days; 4 institutions reported holding it in 13F filings for Q2 2026, worth $225.7K in total; no superinvestor holds it.
Holders of 5% or more of BSAA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of BEST SPAC I Acquisition Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BEST SPAC I (Holdings) Corp. | 13G | 22.30%1.65M shares | New | Aug 1, 20251 filing | Aug 1, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on BEST SPAC I Acquisition Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20266:08 AM ET | Mizuho Financial Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Jun 30, 2026 | SEC |
| Aug 5, 20265:29 PM ET | Berkley W R Corpand 1 other | 13G/A | 0.00%0 shares | −7.30 ppfrom 7.30%Below 5% | Jun 30, 2026 | SEC |
| Jul 9, 20263:40 PM ET | Rivernorth Capital Management, LLC | 13G/A | 0.00%0 shares | −6.64 ppfrom 6.64%Below 5% | Jun 30, 2026 | SEC |
| May 22, 20261:37 PM ET | Feis Equities LLCand 1 other | 13G/A | 0.00%0 shares | −9.99 ppfrom 9.99%Below 5% | May 21, 2026 | SEC |
| May 7, 20265:11 PM ET | Berkley W R Corpand 1 other | 13G/A | 7.30%437.8K shares | +2.30 ppfrom 5.00% | Mar 31, 2026 | SEC |
| Feb 17, 20263:40 PM ET | Rivernorth Capital Management, LLC | 13G | 6.64%400.0K shares | New | Dec 31, 2025 | SEC |
| Nov 10, 20256:13 PM ET | Berkley W R Corpand 1 other | 13G | 5.00%298.6K shares | New | Sep 30, 2025 | SEC |
| Aug 1, 20254:30 PM ET | BEST SPAC I (Holdings) Corp.and 2 others | 13G | 22.30%1.65M shares | New | Jul 30, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell BEST SPAC I Acquisition Corp. shares.
No Form 144 notices for BEST SPAC I Acquisition Corp. are on file.