Latest Period
Q1 2026
Security Snapshot
BEST SPAC I Acquisition Corp. - Common (BSAA) Institutional Ownership
CUSIP: G1069P103
13F Institutional Holders and Ownership History from Q3 2025 to Q1 2026
Institutions Reporting
29
Shares (Excl. Options)
4,348,667
Price
$10.26
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- Security type / class
- Equity / Common
- Symbol
- BSAA on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 4,348,667
- Total 13F value
- $44,505,121
- Portfolio coverage rank
- 0%
- Share change
- +16,200
- Value change
- +$184,903
- Number of holders
- 29
- Shares outstanding
- 6,024,096
- SEC-reported price per share
- $10.26
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- BSAA - BEST SPAC I Acquisition Corp. - Common is tracked under CUSIP G1069P103.
- 29 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 28 to 29 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $43,348,861 to $44,505,121.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 29 institutions filings for Q1 2026.
Security key
G1069P103
Latest holder period
Q1 2026
13F holders
29
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
BSAA full holder history
BEST SPAC I Acquisition Corp. SEC filings
BEST SPAC I Acquisition Corp. company facts
BEST SPAC I Acquisition Corp. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G1069P103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
BSAA
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BEST SPAC I (Holdings) Corp. | 22% | 1,652,000 | BEST SPAC I (Holdings) Corp. | 30 Jul 2025 | ||||
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 6.6% | $4,064,000 | 400,000 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 31 Dec 2025 | |||
| BERKLEY W R CORP | 5% | $2,980,336 | 298,583 | W. R. Berkley Corporation | 30 Sep 2025 |
As of 31 Mar 2026, 29 institutional investors reported holding 4,348,667 shares of BEST SPAC I Acquisition Corp. - Common (BSAA). This represents 72% of the company’s total 6,024,096 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
72%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| MIZUHO SECURITIES USA LLC | 8.9% | 533,699 | 0% | 0.13% | $5,401,034 |
| WOLVERINE ASSET MANAGEMENT LLC | 8.6% | 518,575 | -1.4% | 0.08% | $5,320,580 |
| BERKLEY W R CORP | 7.3% | 437,808 | +35% | 0.24% | $4,483,154 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 6.6% | 400,000 | 0% | 0.21% | $4,104,000 |
| Hudson Bay Capital Management LP | 4.6% | 275,000 | 0% | 0.02% | $2,821,500 |
| Shaolin Capital Management LLC | 3.7% | 223,317 | 0% | 0.19% | $2,291,232 |
| GLAZER CAPITAL, LLC | 3.2% | 193,207 | -5% | 0.04% | $1,975,000 |
| Polar Asset Management Partners Inc. | 3.1% | 185,100 | +0.05% | 0.05% | $1,899,126 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 2.9% | 175,000 | 0% | 0.5% | $1,795,500 |
| Karpus Management, Inc. | 2.8% | 170,501 | -0.41% | 0.05% | $1,742,520 |
| Radcliffe Capital Management, L.P. | 2.8% | 170,000 | 0% | 0.13% | $1,740,800 |
| Clear Street Group Inc. | 2.8% | 165,856 | +2.4% | 0.01% | $1,701,683 |
| BOOTHBAY FUND MANAGEMENT, LLC | 2.7% | 162,500 | 0% | 0.04% | $1,667,250 |
| MMCAP International Inc. SPC | 2.1% | 125,000 | 0% | 0.11% | $1,282,500 |
| AQR Arbitrage LLC | 1.8% | 109,800 | -3.7% | 0.02% | $1,122,156 |
| ARISTEIA CAPITAL, L.L.C. | 1.6% | 95,000 | 0% | 0.02% | $974,700 |
| TORONTO DOMINION BANK | 0.83% | 50,000 | +625% | 0% | $513,000 |
| L1 Global Manager Pty Ltd | 0.83% | 50,000 | 0% | 0.41% | $513,000 |
| Westchester Capital Management, LLC | 0.83% | 50,000 | 0% | 0.02% | $511,000 |
| Mint Tower Capital Management B.V. | 0.75% | 45,000 | 0% | 0.04% | $462,000 |
| RLH Capital LLC | 0.68% | 40,710 | 0% | 0.21% | $416,870 |
| Quarry LP | 0.68% | 40,710 | 0.08% | $416,870 | |
| BNP PARIBAS FINANCIAL MARKETS | 0.67% | 40,646 | 0% | 0% | $415,402 |
| Dakota Wealth Management | 0.62% | 37,250 | 0% | 0.01% | $380,695 |
| Centiva Capital, LP | 0.42% | 25,000 | 0% | 0.01% | $256,500 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
3
Latest
Q1 2026
Rows shown
1-3 of 3