13F Insight
DOSSIER · 13F Holders · Q1 2025Inflation hedgeYield

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
—
▼ 8.4%
vs prior quarter
13F value held
$10M
73.0% inst. owned
of float
Holders
7
-24 QoQ
filers reporting
Activity
+74 / −6
+913 added · −821 reduced
this quarter
Concentration
57.10%
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 57.1% of the visible book. -24 net institutions QoQ — distribution reading.

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 202502
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$4M389K5.09%Q3 202503
Clear Street Group Inc.
CIK 0001881567
$196,85018K0.00%Q1 202604
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$108,65410K0.00%Q1 202605
UBS Group AG
CIK 0001610520
$3,4413180.00%Q1 202606
MORGAN STANLEY
CIK 0000895421
$400370.00%Q1 202607
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025