DOSSIER · 13F Holders · Q1 2025

A SPAC III ACQUISITION-CL A

7 institutions still hold A SPAC III ACQUISITION-CL A as of Q1 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0544A103·7 13F holders·last filed Mar 31, 2025
Market cap
13F value held
$10M
visible holders
Holders
7
filers reporting
Concentration
56.89%
MIZUHO SECURITIES USA LLC #1
top holder share
AI Holders Summary · Q1 2025

7 institutions reported A SPAC III ACQUISITION-CL A in Q1 2025. MIZUHO SECURITIES USA LLC leads at 56.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MIZUHO SECURITIES USA LLC
CIK 0001513006
$6M576K0.12%Q1 2025
02
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$4M389K5.09%Q3 2025
03
FIFTH LANE CAPITAL, LP
CIK 0001858558
$220K20K13.46%Q2 2026
04
Clear Street Group Inc.
CIK 0001881567
$125K11K0.00%Q2 2026
05
UBS Group AG
CIK 0001610520
$3K2750.00%Q2 2026
06
MORGAN STANLEY
CIK 0000895421
$398360.00%Q2 2026
07
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025