BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value (BSAAU)

CUSIP: G1069P137

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Class A ordinary shares, no par value
Shares outstanding
5,997,370
Total 13F shares
1,242,340
Share change
-3,594,589
Total reported value
$12,621,342
Price per share
$10.16
Number of holders
14
Value change
-$36,069,472
Number of buys
2
Number of sells
25

Quarterly Holders Quick Answers

What is CUSIP G1069P137?
CUSIP G1069P137 identifies BSAAU - BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of BSAAU - BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
MIZUHO FINANCIAL GROUP INC
13D/G
8.8%
510,001
$5,120,410 $0 30 Jun 2025
MIZUHO SECURITIES USA LLC
13F
Company
8.5%
510,001
$5,100,010 30 Jun 2025
13F
RIVERNORTH CAPITAL MANAGEMENT, LLC
13F
Company
6.7%
400,000
$4,016,000 30 Jun 2025
13F
WOLVERINE ASSET MANAGEMENT LLC
13F
Company
6.3%
376,070
$3,775,742 30 Jun 2025
13F
CLEAR STREET LLC
13F
Company
5.4%
322,263
$3,235,521 30 Jun 2025
13F
BERKLEY W R CORP
13D/G
W. R. Berkley Corporation
5%
298,583
$2,980,336 $0 30 Sep 2025
Hudson Bay Capital Management LP
13F
Company
4.6%
275,000
$2,761,000 30 Jun 2025
13F
MANGROVE PARTNERS IM, LLC
13F
Company
4.5%
270,848
$2,719,314 30 Jun 2025
13F
Virtu Financial LLC
13F
Company
3.6%
214,842
$2,157,000 30 Jun 2025
13F
Polar Asset Management Partners Inc.
13F
Company
3.1%
185,000
$1,857,400 30 Jun 2025
13F
HEIGHTS CAPITAL MANAGEMENT, INC
13F
Company
2.9%
175,000
$1,757,000 30 Jun 2025
13F
Radcliffe Capital Management, L.P.
13F
Company
2.8%
170,000
$1,706,800 30 Jun 2025
13F
ATW SPAC MANAGEMENT LLC
13F
Company
2.7%
162,500
$1,631,500 30 Jun 2025
13F
BOOTHBAY FUND MANAGEMENT, LLC
13F
Company
2.7%
162,500
$1,631,500 30 Jun 2025
13F
AQR Arbitrage LLC
13F
Company
2.5%
150,000
$1,506,000 30 Jun 2025
13F
Decagon Asset Management LLP
13F
Company
2.5%
150,000
$1,506,000 30 Jun 2025
13F
GLAZER CAPITAL, LLC
13F
Company
2.5%
150,000
$1,506,000 30 Jun 2025
13F
HIGHBRIDGE CAPITAL MANAGEMENT LLC
13F
Company
2.5%
150,000
$1,506,000 30 Jun 2025
13F
MMCAP International Inc. SPC
13F
Company
2.1%
125,000
$1,255,000 30 Jun 2025
13F
StoneX Group Inc.
13F
Company
1.8%
107,500
$1,079,300 30 Jun 2025
13F
ADAR1 Capital Management, LLC
13F
Company
1.7%
100,000
$1,004,000 30 Jun 2025
13F
METEORA CAPITAL, LLC
13F
Company
1.7%
99,318
$997,153 30 Jun 2025
13F
ARISTEIA CAPITAL, L.L.C.
13F
Company
1.6%
95,000
$953,800 30 Jun 2025
13F
Weiss Asset Management LP
13F
Company
1.2%
70,000
$702,800 30 Jun 2025
13F
Bulldog Investors, LLP
13F
Company
1%
60,000
$602,400 30 Jun 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.93%
55,946
$561,698 30 Jun 2025
13F
MYDA Advisors LLC
13F
Company
0.83%
50,000
$502,000 30 Jun 2025
13F
Shaolin Capital Management LLC
13F
Company
0.83%
50,000
$502,000 30 Jun 2025
13F
Westchester Capital Management, LLC
13F
Company
0.83%
50,000
$502,000 30 Jun 2025
13F
Crossingbridge Advisors, LLC
13F
Company
0.81%
48,776
$489,711 30 Jun 2025
13F
Mint Tower Capital Management B.V.
13F
Company
0.75%
45,000
$452,000 30 Jun 2025
13F
Centiva Capital, LP
13F
Company
0.42%
25,000
$251,000 30 Jun 2025
13F
HRT FINANCIAL LP
13F
Company
0.42%
24,902
$250,000 30 Jun 2025
13F
PenderFund Capital Management Ltd.
13F
Company
0.31%
18,500
$185,740 30 Jun 2025
13F
JANE STREET GROUP, LLC
13F
Company
0.21%
12,416
$124,657 30 Jun 2025
13F
UBS Group AG
13F
Company
0.07%
4,204
$42,208 30 Jun 2025
13F
BEST SPAC I (Holdings) Corp.
3/4/5 13D/G
10%+ Owner
22%
from 13D/G
1,652,000
mixed-class rows
30 Jul 2025

Institutional Holders of BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value (BSAAU) as of Q3 2025

As of 30 Sep 2025, BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value (BSAAU) was held by 14 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 1,242,340 shares. The largest 10 holders included HEIGHTS CAPITAL MANAGEMENT, INC, HEIGHTS CAPITAL MANAGEMENT, INC, BOOTHBAY FUND MANAGEMENT, LLC, ATW SPAC MANAGEMENT LLC, Clear Street Group Inc., ADAR1 Capital Management, LLC, ARISTEIA CAPITAL, L.L.C., METEORA CAPITAL, LLC, CITADEL ADVISORS LLC, and Westchester Capital Management, LLC. This page lists 14 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
34
Q3 2025 holders
14
Holder diff
-20
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 Value $ Q3 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .