Vault-13

BEST SPAC I ACQUISITION CORP BSAAU

UNIT 05/27/2030 · Unit · CUSIP G1069P137

3 institutional holders -2 vs Q1 2026
27,32427.3k shares reported held*
$374.6kreported value*
0 new 0 added 1 reduced 2 sold out net sold ≈ $3.5m (-289.1k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $13.71.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

02040Q2 25: 35Q3 25: 13Q4 25: 5Q1 26: 5Q2 26: 33Q2 25Q3 25Q4 25Q1 26Q2 26
Numbers
QuarterHolders
Q2 202535
Q3 202513
Q4 20255
Q1 20265
Q2 20263

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q3 25: 2 bought or addedQ3 25: 24 cut or sold outQ3 25Q4 25: 1 bought or addedQ4 25: 10 cut or sold outQ4 25Q1 26: 2 bought or addedQ1 26: 0 cut or sold outQ1 26Q2 26: 0 bought or addedQ2 26: 3 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 2025224
Q4 2025110
Q1 202620
Q2 202603

Biggest buyers

None

Biggest sellers

Clear Street Group Inc. Reduced -167,105-167.1k
ADAR1 Capital Management, LLC Sold out -100,000-100.0k
HRT FINANCIAL LP Sold out -21,968-22.0k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Feis Equities LLC 13G · passive investor +2.6 pts · filed 2026-02-02 10.0% +2.6 pts 602.3k 2026-02-02
MIZUHO FINANCIAL GROUP INC 13G · institution new · filed 2025-08-13 8.8% new 510.0k 2025-08-13

Fell to 5% or below in the last year: WOLVERINE ASSET MANAGEMENT LLC (0.0%, 2026-06-04), RIVERNORTH CAPITAL MANAGEMENT, LLC (0.0%, 2025-11-14)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 25,00025.0k $347.0k $347.0k 0.00% Unchanged
2 Clear Street Group Inc. 0.00% of their portfolio NEW YORK, NY 2,1072.1k $25.3k $25.3k 0.00% Reduced -167.1k -167,105
3 UBS Group AG 0.00% of their portfolio ZURICH, V8 217217 $2.3k $2.3k 0.00% Unchanged