Security key
G1069P103
BEST SPAC I Acquisition Corp. - Common (BSAA)
CUSIP: G1069P103
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common
- Total 13F shares
- 4,348,667
- Total 13F value
- $44,505,121
- Share change
- +16,200
- SEC-reported price per share
- $10.26
- Number of holders
- 29
- Value change
- +$184,903
- Number of buys
- 7
- Number of sells
- 6
- Shares outstanding
- 6,024,096
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
29
Top holders
10
BSAA full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
BEST SPAC I Acquisition Corp. SEC filings
BEST SPAC I Acquisition Corp. company facts
Broader feeds
Reporting periods
Holder history for CUSIP G1069P103
Recent filing periods:
Ownership snapshot
Top reported holders of BSAA - BEST SPAC I Acquisition Corp. - Common (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BEST SPAC I (Holdings) Corp.
Disclosed value leader
MIZUHO SECURITIES USA LLC
Comparable rows
15/15
Latest evidence
31 Mar 2026
3/4/5
13D/G
13F
Lead comparable stake: 22%
13D/G row: BEST SPAC I (Holdings) Corp.
Showing 1-6 of 15 holder rows.
Quick read
BEST SPAC I (Holdings) Corp. leads the comparable SEC ownership view at 22%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BEST SPAC I (Holdings) Corp.'s linked filing trail.
Comparable ownership
Top 5
BEST SPAC I (Holdings) Corp.
22%
MIZUHO FINANCIAL GROUP INC
8.8%
BERKLEY W R CORP
7.3%
RIVERNORTH CAPITAL MANAGEMENT, LLC
6.6%
MIZUHO SECURITIES USA LLC
8.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BEST SPAC I (Holdings) Corp. |
3/4/5
13D/G
10%+ Owner
|
22%
from 13D/G
|
—
1,652,000 shares
mixed-class rows
|
— | 30 Jul 2025 |
| MIZUHO FINANCIAL GROUP INC |
13D/G
|
8.8%
|
$5,120,410
510,001 shares
|
$0 | 30 Jun 2025 |
| BERKLEY W R CORP |
13D/G
13F
W.R. Berkley Corporation · Company
|
7.3%
|
$4,575,094
437,808 shares
|
$0 | 31 Mar 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC |
13F
13D/G
Company
|
6.6%
from 13D/G
|
$4,100,400
800,000 shares
mixed-class rows
|
— | 31 Dec 2025 |
| MIZUHO SECURITIES USA LLC |
13F
Company
|
8.9%
|
$5,364,300
533,699 shares
|
— | 31 Dec 2025 |
| GLAZER CAPITAL, LLC |
13F
Company
|
3.4%
|
$2,053,000
203,308 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
29
Shares
4,348,667
Rows available
29
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
28
Q1 2026 holders
29
Holder diff
1
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend