DOSSIER · 13F Holders · Q1 2026
UCFI

IRON HORSE ACQUISITIONS CORP

13 institutions still hold IRON HORSE ACQUISITIONS CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 462837105·13 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$2M
visible holders
Holders
13
filers reporting
Concentration
29.19%
RIVERNORTH CAPITAL MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q1 2026

13 institutions reported UCFI in Q1 2026. RIVERNORTH CAPITAL MANAGEMENT, LLC leads at 29.2% of the visible book.

Top holders

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

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