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IRHOU

Iron Horse Acquisitions II Corp Units
IRHOU

61 hedge funds and large institutions have $224M invested in Iron Horse Acquisitions II Corp Units in 2025 Q4 according to their latest regulatory filings, with 61 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

112.73% more ownership

Funds ownership: 0% → 112.73% (+113%)

Holders
61
Holders Change
+61
Holders Change %
–
% of All Funds
0.74%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
61
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
LA
Linden Advisors
New York
+$14.9M
2
LP
LMR Partners
United Kingdom
+$14.9M
3
MF
Magnetar Financial
Illinois
+$14.9M
4
MI
MMCAP International
Cayman Islands
+$14.9M
5
AA
AQR Arbitrage
Connecticut
+$9.69M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
Two Sigma Investments
26
Two Sigma Investments
New York
$3.61M +$3.61M +362,500 New
WA
27
Whitebox Advisors
Minnesota
$3.48M +$3.48M +350,000 New
Millennium Management
28
Millennium Management
New York
$2.98M +$2.99M +300,000 New
KC
29
Kryger Capital
United Kingdom
$2.73M +$2.73M +274,443 New
SCM
30
Shaolin Capital Management
Florida
$2.49M +$2.49M +250,000 New
MTCM
31
Mint Tower Capital Management
Netherlands
$2.49M +$2.49M +250,000 New
AIMCA
32
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$2.48M +$2.49M +250,000 New
WRBC
33
W.R. Berkley Corp
Connecticut
$2.46M +$2.47M +247,850 New
GCL
34
Glazer Capital LLC
New York
$2.06M +$2.06M +207,234 New
COPPSERS
35
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.99M +$1.99M +200,000 New
WAM
36
Wolverine Asset Management
Illinois
$1.99M +$1.99M +199,900 New
BCM
37
BlueCrest Capital Management
Jersey
$1.74M +$1.74M +175,000 New
YCM
38
Yakira Capital Management
Connecticut
$1.49M +$1.49M +150,000 New
WCMNY
39
Westchester Capital Management (New York)
New York
$1.49M +$1.49M +150,000 New
HF
40
HRT Financial
New York
$1.27M +$1.27M +127,494 New
SCS
41
Syquant Capital SAS
France
$1.24M +$1.24M +125,000 New
MP
42
Mangrove Partners
Connecticut
$1.11M +$1.11M +111,156 New
LGM
43
L1 Global Manager
$995K +$996K +100,000 New
MCM
44
Moore Capital Management
New York
$995K +$996K +100,000 New
UOC
45
UBS O'Connor
Illinois
$994K +$996K +100,000 New
PC
46
Periscope Capital
Ontario, Canada
$875K +$876K +88,000 New
BHCM
47
Brevan Howard Capital Management
Jersey
$809K +$810K +81,323 New
CS
48
Clear Street
New York
$522K +$523K +52,495 New
PCM
49
Prelude Capital Management
New York
$497K +$498K +50,000 New
RCM
50
Rivernorth Capital Management
Florida
$497K +$498K +50,000 New
1
2
3

IRHOU Hedge Fund Activity: Q4 2025 in Review

61 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Iron Horse Acquisitions II Corp Units (IRHOU) for Q4 2025, worth a combined $224M.

Buyers outnumbered sellers: 61 funds opened new IRHOU positions and 0 closed out — a net gain of 61 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Linden Advisors, opening a new position worth an estimated $14.9M.

  • 61 institutional investors held Iron Horse Acquisitions II Corp Units (IRHOU) as of Q4 2025, up from 0 in Q3 2025.
  • Funds reported $224M of Iron Horse Acquisitions II Corp Units stock for Q4 2025.
  • 61 funds opened new Iron Horse Acquisitions II Corp Units positions in Q4 2025 and 0 closed out, a net change of +61 holders.
  • The largest Iron Horse Acquisitions II Corp Units buyer in Q4 2025 was Linden Advisors, an estimated $14.9M added.

Based on aggregated 13F filings for Q4 2025.