Iron Horse Acquisition II Corp.
IRHO- 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; 54 institutions reported holding it in 13F filings for Q2 2026, worth $195.8M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Iron Horse Acquisition II Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 42
- +42 vs. Q4 2025
- Shares held
- 15.1M
- +15.1M vs. Q4 2025
- Total value
- $148.9M
- +$148.9M vs. Q4 2025
- New holders
- 42
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRHO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 54 | $195.8M |
| Q1 2026 | 42 | $148.9M |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Iron Horse Acquisition II Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Linden Advisors LP | 1,500,000 | $14.8M | 0.08% | +1,500,000 | New |
| Magnetar Financial LLC | 1,500,000 | $14.8M | 0.15% | +1,500,000 | New |
| CNH Partners LLC | 927,201 | $9.15M | 0.15% | +927,201 | New |
| Picton Mahoney Asset Management | 900,000 | $8.88M | 0.09% | +900,000 | New |
| Polar Asset Management Partners Inc. | 800,000 | $7.89M | 0.19% | +800,000 | New |
| CSS LLC | 737,555 | $7.27M | 0.40% | +737,555 | New |
| Radcliffe Capital Management, L.P. | 607,182 | $5.99M | 0.45% | +607,182 | New |
| Vivaldi Asset Management, LLC | 600,000 | $5.92M | 0.31% | +600,000 | New |
| BNP Paribas Arbitrage, SA | 580,511 | $5.73M | 0.00% | +580,511 | New |
| Tenor Capital Management Co., L.P. | 547,508 | $5.40M | 0.08% | +547,508 | New |
| Heights Capital Management, Inc | 470,000 | $4.64M | 1.30% | +470,000 | New |
| Mangrove Partners | 450,000 | $4.44M | 0.36% | +450,000 | New |
| Meteora Capital, LLC | 418,813 | $4.13M | 0.30% | +418,813 | New |
| Context Capital Management, LLC | 400,000 | $3.94M | 0.09% | +400,000 | New |
| Ilex Capital Partners (UK) LLP | 400,000 | $3.94M | 0.10% | +400,000 | New |
| Hudson Bay Capital Management LP | 379,148 | $3.74M | 0.02% | +379,148 | New |
| Two Sigma Investments, LP | 362,500 | $3.57M | 0.00% | +362,500 | New |
| Whitebox Advisors LLC | 350,000 | $3.45M | 0.05% | +350,000 | New |
| Kryger Capital LLC | 279,792 | $2.76M | 0.20% | +279,792 | New |
| Glazer Capital, LLC | 267,754 | $2.64M | 0.06% | +267,754 | New |
| Alberta Investment Management Corp | 250,000 | $2.47M | 0.02% | +250,000 | New |
| Shaolin Capital Management LLC | 250,101 | $2.47M | 0.10% | +250,101 | New |
| Mint Tower Capital Management B.V. | 250,000 | $2.46M | 0.24% | +250,000 | New |
| Sculptor Capital LP | 249,938 | $2.46M | 0.03% | +249,938 | New |
| Berkley W R Corp | 247,850 | $2.44M | 0.13% | +247,850 | New |
| Sona Asset Management (US) LLC | 244,139 | $2.41M | 0.09% | +244,139 | New |
| Wolverine Asset Management LLC | 201,800 | $1.99M | 0.03% | +201,800 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 200,000 | $1.97M | 0.01% | +200,000 | New |
| Highbridge Capital Management LLC | 115,454 | $1.14M | 0.07% | +115,454 | New |
| Clear Street Group Inc. | 114,394 | $1.13M | 0.01% | +114,394 | New |
| Moore Capital Management, LP | 100,000 | $986.0K | 0.04% | +100,000 | New |
| L1 Global Manager Pty Ltd | 100,000 | $986.0K | 0.80% | +100,000 | New |
| Periscope Capital Inc. | 88,000 | $867.7K | 0.15% | +88,000 | New |
| Rivernorth Capital Management, LLC | 50,000 | $493.0K | 0.02% | +50,000 | New |
| Karpus Management, Inc. | 45,000 | $443.7K | 0.01% | +45,000 | New |
| Deltec Asset Management LLC | 25,000 | $246.5K | 0.05% | +25,000 | New |
| Virtu Financial LLC | 24,582 | $243.0K | 0.01% | +24,582 | New |
| Royal Bank of Canada | 21,679 | $214.0K | 0.00% | +21,679 | New |
| Mizuho Securities USA LLC | 20,974 | $207.0K | 0.00% | +20,974 | New |
| Susquehanna International Group, LLP | 11,000 | $108.6K | 0.00% | +11,000 | New |
| PenderFund Capital Management Ltd. | 5,000 | $49.4K | 0.01% | +5,000 | New |
| UBS Group AG | 1,205 | $11.9K | 0.00% | +1,205 | New |