Iron Horse Acquisition II Corp. - IRHO

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
MMCAP International Inc. SPC History No change 1,500,000 14,940 1.29% 1.49% 1 0 0.0% Q1 2026 May 15, 2026
LMR Partners LLP History No change 1,500,000 14,940 0.03% 0.03% 2 0 0.0% Q1 2026 May 15, 2026
LINDEN ADVISORS LP History No change 1,500,000 14,805 0.08% 0.09% 3 0 0.0% Q1 2026 May 15, 2026
Magnetar Financial LLC History No change 1,500,000 14,790 0.15% 0.15% 4 0 0.0% Q1 2026 May 13, 2026
AQR Arbitrage LLC History Reduced 927,201 9,151 0.15% 0.2% 5 -46,407 -4.77% Q1 2026 May 15, 2026
PICTON MAHONEY ASSET MANAGEMENT History No change 900,000 8,883 0.07% 0.07% 6 0 0.0% Q1 2026 May 13, 2026
Polar Asset Management Partners Inc. History No change 800,000 7,888 0.16% 0.1% 7 0 0.0% Q1 2026 May 15, 2026
Wealthspring Capital LLC History Reduced 737,680 7,347 1.74% 1.74% 8 -1,360 -0.18% Q1 2026 May 01, 2026
CSS LLC/IL History Reduced 737,555 7,272 0.35% 0.33% 9 -545 -0.07% Q1 2026 May 15, 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND History No change 602,165 5,997 0.01% 0.01% 10 0 0.0% Q1 2026 May 14, 2026
Radcliffe Capital Management, L.P. History Added to 607,182 5,986 0.45% 0.33% 11 +3,538 0.59% Q1 2026 May 15, 2026
First Trust Capital Management L.P. History No change 600,000 5,916 0.31% 0.36% 12 0 0.0% Q1 2026 May 14, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 580,511 5,729 0.0% 0.0% 13 +54,119 10.28% Q1 2026 May 12, 2026
TENOR CAPITAL MANAGEMENT Co., L.P. History No change 547,508 5,398 0.08% 0.08% 14 0 0.0% Q1 2026 May 15, 2026
HGC Investment Management Inc. History No change 523,489 5,213 1.15% 1.1% 15 0 0.0% Q1 2026 May 15, 2026
HEIGHTS CAPITAL MANAGEMENT, INC History No change 470,000 4,638 1.29% 1.68% 16 0 0.0% Q1 2026 May 15, 2026
MANGROVE PARTNERS IM, LLC History Added to 450,000 4,437 0.36% 0.09% 17 +338,844 304.84% Q1 2026 May 15, 2026
METEORA CAPITAL, LLC History Reduced 418,813 4,129 0.3% 0.4% 18 -65,787 -13.58% Q1 2026 May 15, 2026
OMERS ADMINISTRATION Corp History No change 400,000 3,984 0.03% 0.03% 19 0 0.0% Q1 2026 May 15, 2026
TIG Advisors, LLC History No change 400,000 3,984 0.18% 0.18% 20 0 0.0% Q1 2026 May 15, 2026
Context Capital Management, LLC History No change 400,000 3,944 0.09% 0.1% 21 0 0.0% Q1 2026 May 07, 2026
Ilex Capital Partners (UK) LLP History No change 400,000 3,944 0.1% 0.11% 22 0 0.0% Q1 2026 May 15, 2026
Hudson Bay Capital Management LP History No change 379,148 3,742 0.01% 0.01% 23 0 0.0% Q1 2026 May 13, 2026
TWO SIGMA INVESTMENTS, LP History No change 362,500 3,574 0.0% 0.01% 24 0 0.0% Q1 2026 May 15, 2026
WHITEBOX ADVISORS LLC History No change 350,000 3,451 0.04% 0.05% 25 0 0.0% Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History Added to 300,161 2,989 0.0% 0.0% 26 +161 0.05% Q1 2026 May 15, 2026
Kryger Capital LLC History New 279,792 2,758 0.2% 27 +279,792 New Q1 2026 May 14, 2026
KRYGER CAPITAL Ltd History No change 274,443 2,729 0.21% 0.21% 28 0 0.0% Q4 2025 Feb 17, 2026
GLAZER CAPITAL, LLC History Added to 267,754 2,640 0.06% 0.05% 29 +60,520 29.2% Q1 2026 May 14, 2026
Alberta Investment Management Corp History No change 250,000 2,467 0.01% 0.01% 30 0 0.0% Q1 2026 Apr 28, 2026
Shaolin Capital Management LLC History Added to 250,101 2,465 0.09% 0.08% 32 +101 0.04% Q1 2026 May 15, 2026
Mint Tower Capital Management B.V. History No change 250,000 2,465 0.22% 0.29% 31 0 0.0% Q1 2026 May 04, 2026
Sculptor Capital LP History Reduced 249,938 2,464 0.03% 0.05% 33 -196,459 -44.01% Q1 2026 May 15, 2026
BERKLEY W R CORP History No change 247,850 2,443 0.13% 0.12% 34 0 0.0% Q1 2026 May 15, 2026
SONA ASSET MANAGEMENT (US) LLC History New 244,139 2,407 0.05% 35 +244,139 New Q1 2026 May 15, 2026
WOLVERINE ASSET MANAGEMENT LLC History Added to 201,800 1,989 0.02% 0.02% 36 +1,900 0.95% Q1 2026 May 04, 2026
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS History No change 200,000 1,972 0.01% 0.01% 37 0 0.0% Q1 2026 May 01, 2026
BlueCrest Capital Management Ltd History No change 175,000 1,743 0.1% 0.05% 38 0 0.0% Q1 2026 May 15, 2026
Clear Street Group Inc. History Added to 159,685 1,579 0.01% 0.0% 39 +107,190 204.19% Q1 2026 May 15, 2026
Westchester Capital Management, LLC History No change 150,000 1,494 0.07% 0.06% 40 0 0.0% Q1 2026 May 15, 2026
Yakira Capital Management, Inc. History Reduced 146,907 1,463 0.43% 0.5% 41 -3,093 -2.06% Q1 2026 May 14, 2026
SYQUANT CAPITAL SAS History No change 125,000 1,245 0.19% 0.15% 42 0 0.0% Q1 2026 Apr 10, 2026
HIGHBRIDGE CAPITAL MANAGEMENT LLC History New 115,454 1,138 0.04% 43 +115,454 New Q1 2026 May 15, 2026
HRT FINANCIAL LP History Reduced 110,858 1,104 0.0% 0.0% 44 -16,636 -13.05% Q1 2026 May 14, 2026
O'Connor Alternative Investments LLC History New 100,000 996 0.09% 45 +100,000 New Q1 2026 May 15, 2026
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) History No change 100,000 994 0.12% 0.12% 46 0 0.0% Q4 2025 Feb 13, 2026
MOORE CAPITAL MANAGEMENT, LP History No change 100,000 986 0.02% 0.01% 47 0 0.0% Q1 2026 May 15, 2026
L1 Global Manager Pty Ltd History No change 100,000 986 0.66% 0.65% 48 0 0.0% Q1 2026 May 14, 2026
PERISCOPE CAPITAL INC. History No change 88,000 867 0.1% 0.1% 49 0 0.0% Q1 2026 May 13, 2026
PRELUDE CAPITAL MANAGEMENT, LLC History Added to 55,000 547 0.04% 0.04% 50 +5,000 10.0% Q1 2026 May 15, 2026
Stoic Point Capital Management LLC History Added to 55,000 547 0.53% 0.42% 51 +5,000 10.0% Q1 2026 May 15, 2026
TORONTO DOMINION BANK History New 50,000 498 0.0% 52 +50,000 New Q1 2026 May 15, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC History No change 50,000 493 0.02% 0.02% 53 0 0.0% Q1 2026 May 15, 2026
Karpus Management, Inc. History New 45,000 443 0.01% 54 +45,000 New Q1 2026 May 14, 2026
Kepos Capital LP History New 40,000 398 0.65% 55 +40,000 New Q1 2026 May 12, 2026
Tuttle Capital Management, LLC History No change 25,000 249 0.41% 0.55% 56 0 0.0% Q1 2026 May 04, 2026
DELTEC ASSET MANAGEMENT LLC History No change 25,000 246 0.05% 0.04% 57 0 0.0% Q1 2026 Apr 24, 2026
Virtu Financial LLC History Reduced 24,582 243 0.01% 0.02% 58 -17,663 -41.81% Q1 2026 May 14, 2026
ROYAL BANK OF CANADA History Reduced 21,679 214 0.0% 0.0% 59 -28,321 -56.64% Q1 2026 May 15, 2026
MIZUHO SECURITIES USA LLC History New 20,974 207 0.0% 60 +20,974 New Q1 2026 May 11, 2026
Lineage Point Capital LP History No change 16,600 165 0.04% 0.06% 61 0 0.0% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 11,000 108 0.0% 0.0% 62 +209 1.94% Q1 2026 May 15, 2026
PenderFund Capital Management Ltd. History No change 5,000 49 0.01% 0.01% 63 0 0.0% Q1 2026 May 15, 2026
UBS Group AG History Reduced 1,205 11 0.0% 0.0% 64 -561,795 -99.79% Q1 2026 May 05, 2026
FNY Investment Advisers, LLC History No change 200 1 0.0% 0.0% 65 0 0.0% Q1 2026 Apr 15, 2026
Saba Capital Management, L.P. History Closed out 0 0 0.12% -400,000 -100.0% Q1 2026 May 15, 2026
Brevan Howard Capital Management LP History Closed out 0 0 0.01% -81,323 -100.0% Q1 2026 May 15, 2026
ExodusPoint Capital Management, LP History Closed out 0 0 0.0% -36,628 -100.0% Q1 2026 May 14, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -34,136 -100.0% Q1 2026 May 12, 2026