Latest Period
Q1 2026
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
22
Shares (Excl. Options)
7,058,351
Price
$9.96
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- Security type / class
- Equity / Ordinary shares, par value $0.0001 per share
- Symbol
- IRHOU on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 7,058,351
- Total 13F value
- $70,299,638
- Portfolio coverage rank
- 0%
- Share change
- -14,685,900
- Value change
- -$146,024,972
- Number of holders
- 22
- Shares outstanding
- 29,411,765
- SEC-reported price per share
- $10.33
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IRHOU - Iron Horse Acquisition II Corp. - Ordinary shares, par value $0.0001 per share is tracked under CUSIP 46283H202.
- 22 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 61 to 22 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $224,173,467 to $70,299,638.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 22 institutions filings for Q1 2026.
Security key
46283H202
Latest holder period
Q1 2026
13F holders
22
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
IRHOU full holder history
Iron Horse Acquisition II Corp. SEC filings
Iron Horse Acquisition II Corp. company facts
Iron Horse Acquisition II Corp. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 46283H202:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
IRHOU
| 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 Mar 2026, 22 institutional investors reported holding 7,058,351 shares of Iron Horse Acquisition II Corp. - Ordinary shares, par value $0.0001 per share (IRHOU). This represents 24% of the company’s total 29,411,765 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
24%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| LMR Partners LLP | 5.1% | 1,500,000 | 0% | 0.14% | $14,940,000 |
| MMCAP International Inc. SPC | 5.1% | 1,500,000 | 0% | 1.3% | $14,940,000 |
| Wealthspring Capital LLC | 2.5% | 737,680 | -0.18% | 1.7% | $7,347,293 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 2% | 602,165 | 0% | 0.01% | $5,997,563 |
| HGC Investment Management Inc. | 1.8% | 523,489 | 0% | 1.2% | $5,213,950 |
| TIG Advisors, LLC | 1.4% | 400,000 | 0% | 0.19% | $3,984,000 |
| OMERS ADMINISTRATION Corp | 1.4% | 400,000 | 0% | 0.03% | $3,984,000 |
| MILLENNIUM MANAGEMENT LLC | 1% | 300,161 | +0.05% | 0% | $2,989,604 |
| BlueCrest Capital Management Ltd | 0.59% | 175,000 | 0% | 0.16% | $1,743,000 |
| Westchester Capital Management, LLC | 0.51% | 150,000 | 0% | 0.07% | $1,494,000 |
| Yakira Capital Management, Inc. | 0.5% | 146,907 | -2.1% | 0.43% | $1,463,194 |
| SYQUANT CAPITAL SAS | 0.42% | 125,000 | 0% | 0.19% | $1,245,000 |
| HRT FINANCIAL LP | 0.38% | 110,858 | -13% | 0% | $1,104,000 |
| O'Connor Alternative Investments LLC | 0.34% | 100,000 | 0% | 0.09% | $996,000 |
| Stoic Point Capital Management LLC | 0.19% | 55,000 | +10% | 0.54% | $547,800 |
| PRELUDE CAPITAL MANAGEMENT, LLC | 0.19% | 55,000 | +10% | 0.04% | $547,800 |
| TORONTO DOMINION BANK | 0.17% | 50,000 | 0% | $498,000 | |
| Clear Street Group Inc. | 0.15% | 45,291 | -14% | 0% | $451,098 |
| Kepos Capital LP | 0.14% | 40,000 | 0.65% | $398,000 | |
| Tuttle Capital Management, LLC | 0.08% | 25,000 | 0% | 0.41% | $249,000 |
| Lineage Point Capital LP | 0.06% | 16,600 | 0% | 0.04% | $165,336 |
| FNY Investment Advisers, LLC | 0% | 200 | 0% | 0% | $1,000 |
| Mint Tower Capital Management B.V. | 0% | 0 | -100% | $0 | |
| Hudson Bay Capital Management LP | 0% | 0 | -100% | $0 | |
| L1 Global Manager Pty Ltd | 0% | 0 | -100% | $0 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Latest
Q1 2026
Rows shown
1-2 of 2