DOSSIER · 13F Holders · Q3 2025
TBMC

TRAILBLAZER MERGER CORP I

3 institutions still hold TRAILBLAZER MERGER CORP I as of Q3 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 89278D109·3 13F holders·last filed Sep 30, 2025
Market cap
13F value held
$2M
visible holders
Holders
3
filers reporting
Concentration
62.54%
ATW SPAC MANAGEMENT LLC #1
top holder share
AI Holders Summary · Q3 2025

3 institutions reported TBMC in Q3 2025. ATW SPAC MANAGEMENT LLC leads at 62.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$2M133K1.97%Q3 2025
02
MIZUHO SECURITIES USA LLC
CIK 0001513006
$934K83K0.02%Q1 2025
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025