Latest Period
Q4 2025
Security Snapshot
Iron Horse Acquisition II Corp. - Ordinary shares, par value $0.0001 per share (IRHOU) Institutional Ownership
CUSIP: 46283H202
13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026
Institutions Reporting
61
Shares (Excl. Options)
22,545,086
Price
$9.94
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- Type / Class
- Equity / Ordinary shares, par value $0.0001 per share
- Symbol
- IRHOU on Nasdaq
- Shares outstanding
- 29,411,765
- Price per share
- $9.96
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 22,545,086
- Total reported value
- $224,173,467
- % of total 13F portfolios
- 0%
- Share change
- +21,852,094
- Value change
- +$217,284,294
- Number of holders
- 61
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- IRHOU - Iron Horse Acquisition II Corp. - Ordinary shares, par value $0.0001 per share is tracked under CUSIP 46283H202.
- 61 institutions reported positions in Q4 2025.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 61 to 5 between Q4 2025 and Q1 2026.
- Reported value moved from $224,173,467 to $9,240,293.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 61 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 46283H202?
CUSIP 46283H202 identifies IRHOU - Iron Horse Acquisition II Corp. - Ordinary shares, par value $0.0001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 46283H202:
Significant Owners of Iron Horse Acquisition II Corp. - Ordinary shares, par value $0.0001 per share (IRHOU) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Magnetar Financial LLC | 5.1% | $14,955,000 | 1,500,000 | MAGNETAR FINANCIAL LLC | 31 Dec 2025 | |||
| LMR Partners LLP | 5.1% | $14,955,000 | 1,500,000 | LMR Partners LLP | 31 Dec 2025 | |||
| Linden Capital L.P. | 6.4% | 1,500,000 | Linden Advisors LP | 18 Dec 2025 | ||||
| MMCAP International Inc. SPC | 5.7% | -3.3% | $14,955,000 | 1,500,000 | 0% | MMCAP International Inc. SPC | 31 Dec 2025 |
As of 31 Dec 2025, 61 institutional investors reported holding 22,545,086 shares of Iron Horse Acquisition II Corp. - Ordinary shares, par value $0.0001 per share (IRHOU). This represents 77% of the company’s total 29,411,765 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Iron Horse Acquisition II Corp. - Ordinary shares, par value $0.0001 per share (IRHOU) together control 61% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| MMCAP International Inc. SPC | 5.1% | 1,500,000 | 1.5% | $14,917,500 | |
| Magnetar Financial LLC | 5.1% | 1,500,000 | 0.15% | $14,910,000 | |
| Linden Advisors LP | 5.1% | 1,500,000 | 0.09% | $14,910,000 | |
| LMR Partners LLP | 5.1% | 1,500,000 | 0.14% | $14,917,500 | |
| AQR Arbitrage LLC | 3.3% | 973,608 | 0.2% | $9,677,664 | |
| PICTON MAHONEY ASSET MANAGEMENT | 3.1% | 900,000 | 0.1% | $8,950,500 | |
| Polar Asset Management Partners Inc. | 2.7% | 800,000 | 0.16% | $7,956,000 | |
| Wealthspring Capital LLC | 2.5% | 739,040 | 1.7% | $7,349,753 | |
| CSS LLC/IL | 2.5% | 738,100 | 0.42% | $7,340,404 | |
| Radcliffe Capital Management, L.P. | 2.1% | 603,644 | 0.33% | $6,003,240 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 2% | 602,165 | 0.01% | $5,985,520 | |
| First Trust Capital Management L.P. | 2% | 600,000 | 0.36% | $5,967,000 | |
| UBS Group AG | 1.9% | 563,000 | 0% | $5,599,035 | |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1.9% | 547,508 | 0.08% | $5,444,967 | |
| BNP PARIBAS FINANCIAL MARKETS | 1.8% | 526,392 | 0% | 0% | $5,232,336 |
| HGC Investment Management Inc. | 1.8% | 523,489 | 1.1% | $5,206,098 | |
| METEORA CAPITAL, LLC | 1.6% | 484,600 | 0.4% | $4,819,347 | |
| HEIGHTS CAPITAL MANAGEMENT, INC | 1.6% | 470,000 | 1.8% | $4,671,800 | |
| Sculptor Capital LP | 1.5% | 446,397 | 0.05% | $4,439,418 | |
| Saba Capital Management, L.P. | 1.4% | 400,000 | 0.13% | $3,978,000 | |
| OMERS ADMINISTRATION Corp | 1.4% | 400,000 | 0.03% | $3,976,000 | |
| Context Capital Management, LLC | 1.4% | 400,000 | 0.1% | $3,978,000 | |
| Ilex Capital Partners (UK) LLP | 1.4% | 400,000 | 0.11% | $3,978,000 | |
| TIG Advisors, LLC | 1.4% | 400,000 | 0.19% | $3,978,000 | |
| Hudson Bay Capital Management LP | 1.3% | 379,148 | 0.02% | $3,768,731 |