BSAA
BEST SPAC I Acquisition Corp.Company with tickers: BSAA, BSAAR, BSAAU
CIK
2051587
CUSIP
G1069P103
Shares Outstanding
6,024,500
13F Activity (30d)
1 filings
1 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 29
Total Value: $44,617,314
Total Shares: 4,348,667
Institutional Ownership Trend
3 quarters
Holder Concentration
Across 29 13F filers · Δ vs Dec 31, 2025Top Holder
12.3%
−0.2 pts
Top 5
49.8%
+1.7 pts
Top 10
71.6%
+1.2 pts
HHI
687
Broadly held+9
Quarterly Activity
vs Dec 31, 2025
New
2
Increased
7
Decreased
5
Sold Out
1
Unchanged
15
Holder count:
+1
Institutional value:
+2.7%
Shares held:
+1.4%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid BERKLEY W R CORP | +112,553 | 437,808 | |
| Large TORONTO DOMINION BANK | +43,100 | 50,000 | |
| Mega BNP PARIBAS ARBITRAGE, SA | +4,680 | 40,646 | |
| Large Clear Street Group Inc. | +3,926 | 165,856 | |
| Mega UBS Group AG | +2,943 | 3,237 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid GLAZER CAPITAL, LLC | −10,101 | 193,207 | |
| Mid WOLVERINE ASSET MANAGEMENT LLC | −7,407 | 518,575 | |
| Mid AQR Arbitrage LLC | −4,234 | 109,800 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | −904 | 13,917 | |
| Mid Karpus Management, Inc. | −694 | 170,501 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Quarry LP | 40,710 | $417,684 | |
| Small RLH Capital LLC | 40,710 | $417,684 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid MANGROVE PARTNERS IM, LLC | 163,810 | $1,659,395 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid MIZUHO SECURITIES USA LLC Broker-Dealer | $5,475,751 | 12.27% | 533,699 | Shares | Defined | 2026-05-11 | ||||
| Mid WOLVERINE ASSET MANAGEMENT LLC | $5,320,579 | 11.92% | 518,575 | Shares | Defined | 2026-05-04 | ||||
| Mid BERKLEY W R CORP | $4,491,910 | 10.07% | 437,808 | Shares | Sole | 2026-05-15 | ||||
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $4,104,000 | 9.20% | 400,000 | Shares | Sole | 2026-05-15 | ||||
| Large Hudson Bay Capital Management LP | $2,821,500 | 6.32% | 275,000 | Shares | Sole | 2026-05-13 | ||||
| Small Shaolin Capital Management LLC | $2,291,232 | 5.14% | 223,317 | Shares | Sole | 2026-05-15 | ||||
| Mid GLAZER CAPITAL, LLC | $1,982,303 | 4.44% | 193,207 | Shares | Sole | 2026-05-14 | ||||
| Mid Polar Asset Management Partners Inc. | $1,899,126 | 4.26% | 185,100 | Shares | Sole | 2026-05-15 | ||||
| Small HEIGHTS CAPITAL MANAGEMENT, INC | $1,795,500 | 4.02% | 175,000 | Shares | Other | 2026-05-15 | ||||
| Mid Karpus Management, Inc. | $1,749,340 | 3.92% | 170,501 | Shares | Sole | 2026-05-14 | ||||
| Small Radcliffe Capital Management, L.P. | $1,744,200 | 3.91% | 170,000 | Shares | Sole | 2026-05-15 | ||||
| Large Clear Street Group Inc. | $1,701,682 | 3.81% | 165,856 | Shares | Sole | 2026-05-15 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $1,667,250 | 3.74% | 162,500 | Shares | Other | 2026-05-15 | ||||
| Small MMCAP International Inc. SPC | $1,282,500 | 2.87% | 125,000 | Shares | Sole | 2026-05-15 | ||||
| Mid AQR Arbitrage LLC | $1,126,548 | 2.52% | 109,800 | Shares | Defined | 2026-05-15 | ||||
| Mid ARISTEIA CAPITAL, L.L.C. | $974,700 | 2.18% | 95,000 | Shares | Sole | 2026-05-15 | ||||
| Micro L1 Global Manager Pty Ltd | $513,000 | 1.15% | 50,000 | Shares | Sole | 2026-05-15 | ||||
| Large TORONTO DOMINION BANK Bank | $513,000 | 1.15% | 50,000 | Shares | Defined | 2026-05-15 | ||||
| Mid Westchester Capital Management, LLC | $512,998 | 1.15% | 50,000 | Shares | Other | 2026-05-15 | ||||
| Small Mint Tower Capital Management B.V. | $461,700 | 1.03% | 45,000 | Shares | Sole | 2026-05-04 | ||||
| Small RLH Capital LLC | $417,684 | 0.94% | 40,710 | Shares | Defined | 2026-04-29 | ||||
| Small Quarry LP | $417,684 | 0.94% | 40,710 | Shares | Other | 2026-05-15 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $417,027 | 0.93% | 40,646 | Shares | Defined | 2026-05-12 | ||||
| Mid Dakota Wealth Management | $382,185 | 0.86% | 37,250 | Shares | Defined | 2026-05-07 | ||||
| Large Centiva Capital, LP | $256,500 | 0.57% | 25,000 | Shares | Sole | 2026-05-14 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $142,788 | 0.32% | 13,917 | Shares | Other | 2026-05-15 | ||||
| Small PenderFund Capital Management Ltd. | $121,068 | 0.27% | 11,800 | Shares | Sole | 2026-05-15 | ||||
| Mega UBS Group AG | $33,211 | 0.07% | 3,237 | Shares | Defined | 2026-05-05 | ||||
| Mega MORGAN STANLEY | $348 | 0.00% | 34 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||