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Iron Horse Acquisition II Corp.

IRHOU
Exchange
Nasdaq
Industry
Services-Business Services, NEC
SEC CIK
0002051985

No open-market purchases or sales by Iron Horse Acquisition II Corp. insiders were filed in the last 90 days; 10 institutions reported holding it in 13F filings for Q2 2026, worth $27.0M in total; no superinvestor holds it.

Other share classesIRHOIRHOR

Q1 2026 vs. Q4 2025

How the institutions holding Iron Horse Acquisition II Corp. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of IRHOU: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders61222−37
Shares22.5M374.4K7.06M−15.1M (−68.2%)
Value$224.2M$3.72M$70.3M−$150.2M (−68.1%)

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (3)

Institutions that held Iron Horse Acquisition II Corp. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to IRHOU in Q1 2026
InstitutionSharesValue% of portfolio
O'Connor Alternative Investments LLC100,000$996.0K0.05%
Toronto Dominion Bank50,000$498.0K0.00%
Kepos Capital LP40,000$398.0K0.65%

Sold out (40)

Institutions that held Iron Horse Acquisition II Corp. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of IRHOU in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Linden Advisors LP1,500,000$14.9M
Magnetar Financial LLC1,500,000$14.9M
CNH Partners LLC973,608$9.68M
Picton Mahoney Asset Management900,000$8.95M
Polar Asset Management Partners Inc.800,000$7.96M
CSS LLC738,100$7.34M
Radcliffe Capital Management, L.P.603,644$6.00M
Vivaldi Asset Management, LLC600,000$5.97M
UBS Group AG563,000$5.60M
Tenor Capital Management Co., L.P.547,508$5.44M
BNP Paribas Arbitrage, SA526,392$5.23M
Meteora Capital, LLC484,600$4.82M
Heights Capital Management, Inc470,000$4.67M
Sculptor Capital LP446,397$4.44M
Context Capital Management, LLC400,000$3.98M
Saba Capital Management, L.P.400,000$3.98M
Ilex Capital Partners (UK) LLP400,000$3.98M
Hudson Bay Capital Management LP379,148$3.77M
Two Sigma Investments, LP362,500$3.61M
Whitebox Advisors LLC350,000$3.48M
Shaolin Capital Management LLC250,000$2.49M
Mint Tower Capital Management B.V.250,000$2.49M
Alberta Investment Management Corp250,000$2.48M
Berkley W R Corp247,850$2.46M
Glazer Capital, LLC207,234$2.06M
Commonwealth of Pennsylvania Public School Empls Retrmt Sys200,000$1.99M
Wolverine Asset Management LLC199,900$1.99M
Mangrove Partners111,156$1.11M
Moore Capital Management, LP100,000$994.5K
L1 Global Manager Pty Ltd100,000$994.5K
Periscope Capital Inc.88,000$875.2K
Brevan Howard Capital Management LP81,323$809.2K
Rivernorth Capital Management, LLC50,000$497.3K
Royal Bank of Canada50,000$497.0K
Virtu Financial LLC42,245$420.0K
ExodusPoint Capital Management, LP36,628$364.3K
Jane Street Group, LLC34,136$339.5K
Deltec Asset Management LLC25,000$248.6K
Susquehanna International Group, LLP10,791$107.3K
PenderFund Capital Management Ltd.5,000$49.7K

Not filed for Q1 2026 yet (2)

Institutions that held Iron Horse Acquisition II Corp. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRHOU in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Omni Event Management Ltd274,443$2.73M
UBS Oconnor LLC100,000$994.0K