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.
13F holders, Q1 2026
Institutional positions in BEST SPAC I Acquisition Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 29
- +1 vs. Q4 2025
- Shares held
- 4.35M
- +61.6K (+1.4%) vs. Q4 2025
- Total value
- $44.5M
- +$1.16M (+2.7%) vs. Q4 2025
- New holders
- 2
- 7 more added
- Sold out
- 1
- 5 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BSAA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 4 | $225.7K |
| Q1 2026 | 29 | $44.5M |
| Q4 2025 | 28 | $43.3M |
| Q3 2025 | 19 | $35.1M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding BEST SPAC I Acquisition Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mizuho Securities USA LLC | 533,699 | $5.40M | 0.13% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 518,575 | $5.32M | 0.08% | −7,407−1.4% | Reduced |
| Berkley W R Corp | 437,808 | $4.48M | 0.24% | +112,553+34.6% | Added |
| Rivernorth Capital Management, LLC | 400,000 | $4.10M | 0.21% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 275,000 | $2.82M | 0.02% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 223,317 | $2.29M | 0.10% | 00.0% | Unchanged |
| Glazer Capital, LLC | 193,207 | $1.98M | 0.04% | −10,101−5.0% | Reduced |
| Polar Asset Management Partners Inc. | 185,100 | $1.90M | 0.05% | +100+0.1% | Added |
| Heights Capital Management, Inc | 175,000 | $1.80M | 0.50% | 00.0% | Unchanged |
| Karpus Management, Inc. | 170,501 | $1.74M | 0.05% | −694−0.4% | Reduced |
| Radcliffe Capital Management, L.P. | 170,000 | $1.74M | 0.13% | 00.0% | Unchanged |
| Clear Street Group Inc. | 165,856 | $1.70M | 0.01% | +3,926+2.4% | Added |
| Boothbay Fund Management, LLC | 162,500 | $1.67M | 0.04% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 125,000 | $1.28M | 0.11% | 00.0% | Unchanged |
| CNH Partners LLC | 109,800 | $1.12M | 0.02% | −4,234−3.7% | Reduced |
| Aristeia Capital LLC | 95,000 | $974.7K | 0.02% | 00.0% | Unchanged |
| L1 Global Manager Pty Ltd | 50,000 | $513.0K | 0.41% | 00.0% | Unchanged |
| Toronto Dominion Bank | 50,000 | $513.0K | 0.00% | +43,100+624.6% | Added |
| Westchester Capital Management, LLC | 50,000 | $511.0K | 0.02% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 45,000 | $462.0K | 0.05% | 00.0% | Unchanged |
| Quarry LP | 40,710 | $416.9K | 0.08% | +40,710 | New |
| RLH Capital LLC | 40,710 | $416.9K | 0.21% | +40,710 | New |
| BNP Paribas Arbitrage, SA | 40,646 | $415.4K | 0.00% | +4,680+13.0% | Added |
| Dakota Wealth Management | 37,250 | $380.7K | 0.01% | 00.0% | Unchanged |
| Centiva Capital, LP | 25,000 | $256.5K | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 13,917 | $142.8K | 0.00% | −904−6.1% | Reduced |
| PenderFund Capital Management Ltd. | 11,800 | $120.8K | 0.02% | 00.0% | Unchanged |
| UBS Group AG | 3,237 | $33.1K | 0.00% | +2,943+1,001.0% | Added |
| Morgan Stanley | 34 | $347 | 0.00% | +18+112.5% | Added |
| Mangrove Partners | 0 | $0 | 0.00% | −163,810−100.0% | Sold out |