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

Q: What does CUSIP G1069P137 represent in this 13F holders report?

CUSIP G1069P137 is the security identifier for BSAAU - BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value used to aggregate holder disclosures.

Q: How many institutions held BSAAU - BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value in Q1 2026?

2 institutional investors reported BSAAU - BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G1069P137

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class: Equity / Class A ordinary shares, no par value
Shares outstanding: 5,997,370
Total 13F shares: 22,185
Share change: +566
Total reported value: $230,222
Price per share: $10.31
Number of holders: 2
Value change: +$5,874
Number of buys: 1

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.

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Previous quarter: Q4 2025

Recent filing periods for CUSIP G1069P137:

Q1 2026 Q4 2025 Q3 2025 Q2 2025

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
Feis Equities LLC	13D/G	—	10%	602,260	$6,161,120	+$2,004,701	31 Dec 2025	13D/G
WOLVERINE ASSET MANAGEMENT LLC	13F 13D/G	Company	8.7% from 13D/G	891,723 mixed-class rows	$5,383,425	—	31 Dec 2025	13F 13D/G
MIZUHO SECURITIES USA LLC	13F	Company	8.9%	533,699	$5,364,300	—	31 Dec 2025	13F
MIZUHO FINANCIAL GROUP INC	13D/G	—	8.8%	510,001	$5,120,410	$0	30 Jun 2025	13D/G
BERKLEY W R CORP	13D/G 13F	W.R. Berkley Corporation · Company	7.3%	437,808	$4,575,094	$0	31 Mar 2026	13D/G 13F
RIVERNORTH CAPITAL MANAGEMENT, LLC	13F 13D/G	Company	6.6% from 13D/G	800,000 mixed-class rows	$4,100,400	—	31 Dec 2025	13F 13D/G
Clear Street Group Inc.	13F	Company	— mixed-class rows	519,832 mixed-class rows	$3,400,563	—	31 Dec 2025	13F
Hudson Bay Capital Management LP	13F	Company	— mixed-class rows	550,000 mixed-class rows	$2,827,275	—	31 Dec 2025	13F
Shaolin Capital Management LLC	13F	Company	— mixed-class rows	450,317 mixed-class rows	$2,296,478	—	31 Dec 2025	13F
GLAZER CAPITAL, LLC	13F	Company	3.4%	203,308	$2,053,000	—	31 Dec 2025	13F
Polar Asset Management Partners Inc.	13F	Company	— mixed-class rows	370,000 mixed-class rows	$1,901,985	—	31 Dec 2025	13F
HEIGHTS CAPITAL MANAGEMENT, INC	13F	Company	— mixed-class rows	350,000 mixed-class rows	$1,799,175	—	31 Dec 2025	13F
Radcliffe Capital Management, L.P.	13F	Company	— mixed-class rows	340,000 mixed-class rows	$1,746,835	—	31 Dec 2025	13F
Karpus Management, Inc.	13F	Company	2.8%	171,195	$1,729,070	—	31 Dec 2025	13F
MANGROVE PARTNERS IM, LLC	13F	Company	— mixed-class rows	434,658 mixed-class rows	$1,700,293	—	31 Dec 2025	13F
BOOTHBAY FUND MANAGEMENT, LLC	13F	Company	— mixed-class rows	325,000 mixed-class rows	$1,670,663	—	31 Dec 2025	13F
MMCAP International Inc. SPC	13F	Company	— mixed-class rows	250,000 mixed-class rows	$1,285,125	—	31 Dec 2025	13F
AQR Arbitrage LLC	13F	Company	— mixed-class rows	228,068 mixed-class rows	$1,172,383	—	31 Dec 2025	13F
ADAR1 Capital Management, LLC	13F	Company	1.7%	100,000	$1,024,000	—	31 Dec 2025	13F
ARISTEIA CAPITAL, L.L.C.	13F	Company	— mixed-class rows	190,000 mixed-class rows	$976,695	—	31 Dec 2025	13F
Westchester Capital Management, LLC	13F	Company	— mixed-class rows	100,000 mixed-class rows	$514,050	—	31 Dec 2025	13F
L1 Global Manager Pty Ltd	13F	Company	0.83%	50,000	$506,500	—	31 Dec 2025	13F
Mint Tower Capital Management B.V.	13F	Company	— mixed-class rows	90,000 mixed-class rows	$463,000	—	31 Dec 2025	13F
Dakota Wealth Management	13F	Company	0.62%	37,250	$376,225	—	31 Dec 2025	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	— mixed-class rows	71,932 mixed-class rows	$368,688	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.42%	25,000	$257,500	—	31 Dec 2025	13F
Centiva Capital, LP	13F	Company	— mixed-class rows	50,000 mixed-class rows	$257,025	—	31 Dec 2025	13F
HRT FINANCIAL LP	13F	Company	0.36%	21,402	$220,000	—	31 Dec 2025	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.25%	14,821	$150,137	—	31 Dec 2025	13F
PenderFund Capital Management Ltd.	13F	Company	0.2%	11,800	$119,534	—	31 Dec 2025	13F
TORONTO DOMINION BANK	13F	Company	— mixed-class rows	94,176 mixed-class rows	$83,076	—	31 Dec 2025	13F
HIGHBRIDGE CAPITAL MANAGEMENT LLC	13F	Company	— class O/S missing	186,925	$28,226	—	31 Dec 2025	13F
METEORA CAPITAL, LLC	13F	Company	— class O/S missing	96,659	$14,596	—	31 Dec 2025	13F
UBS Group AG	13F	Company	— mixed-class rows	511 mixed-class rows	$5,191	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	0%	16	$162	—	31 Dec 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	3/4/5 13D/G

Institutional Holders of BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value (BSAAU) as of Q1 2026

As of 31 Mar 2026, BEST SPAC I Acquisition Corp. - Class A ordinary shares, no par value (BSAAU) was held by 2 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 22,185 shares. The largest 3 holders included Clear Street Group Inc., HRT FINANCIAL LP, and UBS Group AG. This page lists 3 institutional shareholders reporting positions in this security for the Q1 2026 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

-3

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q1 2026 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.