DOSSIER · 13F Holders · Q1 2025
UCFI

IRON HORSE ACQUISITIONS CORP

14 institutions still hold IRON HORSE ACQUISITIONS CORP as of Q1 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 462837105·14 13F holders·last filed Mar 31, 2025
Market cap
13F value held
$5M
visible holders
Holders
14
filers reporting
Concentration
58.45%
MIZUHO SECURITIES USA LLC #1
top holder share
AI Holders Summary · Q1 2025

14 institutions reported UCFI in Q1 2025. MIZUHO SECURITIES USA LLC leads at 58.5% 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
$3M258K0.06%Q1 2025
02
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$559K102K0.03%Q1 2026
03
AQR Arbitrage LLC
CIK 0001167456
$502K91K0.01%Q4 2025
04
Westchester Capital Management, LLC
CIK 0001512805
$268K49K0.01%Q2 2026
05
WHITEBOX ADVISORS LLC
CIK 0001257391
$165K30K0.00%Q2 2026
06
D. E. Shaw & Co., Inc.
CIK 0001009207
$131K24K0.00%Q4 2025
07
Yakira Capital Management, Inc.
CIK 0001584639
$114K21K0.03%Q2 2026
08
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$93K17K0.00%Q2 2026
09
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$56K10K0.00%Q2 2026
10
UBS Group AG
CIK 0001610520
$22K4K0.00%Q2 2026
11
LONGFELLOW INVESTMENT MANAGEMENT CO LLC
CIK 0001167487
$5K8640.00%Q2 2026
12
Russell Investments Group, Ltd.
CIK 0001692234
$496900.00%Q2 2026
13
MORGAN STANLEY
CIK 0000895421
$248450.00%Q2 2026
14
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
Insiders at IRON HORSE ACQUISITIONS CORP
Bengochea Jose AntonioCaragol William JJiang Zhenjun