Latest Period
Q1 2026
Security Snapshot
Iron Horse Acquisition II Corp. - Ordinary Shares, par value $0.0001 (IRHO) Institutional Ownership
CUSIP: 46283H103
13F Institutional Holders and Ownership History for Q1 2026
Institutions Reporting
42
Shares (Excl. Options)
15,094,080
Price
$9.86
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- Security type / class
- Equity / Ordinary Shares, par value $0.0001
- Symbol
- IRHO on Nasdaq
- Shares outstanding
- 29,411,765
- Reported price per share
- $9.99
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 15,094,080
- Total reported value
- $148,878,880
- Portfolio coverage rank
- 0%
- Share change
- +14,233,777
- Value change
- +$140,390,487
- Number of holders
- 42
Security identity
2 facts
Issuer context
2 facts
Latest holder snapshot
7 facts
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- IRHO - Iron Horse Acquisition II Corp. - Ordinary Shares, par value $0.0001 is tracked under CUSIP 46283H103.
- 42 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Latest quarter on this page is Q1 2026.
- Additional quarter-over-quarter change detail appears as history expands.
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 42 institutions filings for Q1 2026.
Security key
46283H103
Latest holder period
Q1 2026
13F holders
42
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
IRHO 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 46283H103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
IRHO
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| IRHO SPAC Sponsor LLC | 21% | 6,120,000 | IRHO SPAC SPONSOR LLC | 18 Dec 2025 | ||||
| MMCAP International Inc. SPC | 5.1% | $14,790,000 | 1,500,000 | MMCAP International Inc. SPC | 31 Mar 2026 |
As of 31 Mar 2026, 42 institutional investors reported holding 15,094,080 shares of Iron Horse Acquisition II Corp. - Ordinary Shares, par value $0.0001 (IRHO). This represents 51% 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
47%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Magnetar Financial LLC | 5.1% | 1,500,000 | 0.15% | $14,790,000 | |
| Linden Advisors LP | 5.1% | 1,500,000 | 0.08% | $14,805,000 | |
| AQR Arbitrage LLC | 3.2% | 927,201 | 0.15% | $9,151,474 | |
| PICTON MAHONEY ASSET MANAGEMENT | 3.1% | 900,000 | 0.09% | $8,883,000 | |
| Polar Asset Management Partners Inc. | 2.7% | 800,000 | 0.19% | $7,888,000 | |
| CSS LLC/IL | 2.5% | 737,555 | 0.41% | $7,272,292 | |
| Radcliffe Capital Management, L.P. | 2.1% | 607,182 | 0.45% | $5,986,815 | |
| First Trust Capital Management L.P. | 2% | 600,000 | 0.31% | $5,916,000 | |
| BNP PARIBAS FINANCIAL MARKETS | 2% | 580,511 | 0% | 0% | $5,729,644 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1.9% | 547,508 | 0.08% | $5,398,429 | |
| HEIGHTS CAPITAL MANAGEMENT, INC | 1.6% | 470,000 | 1.3% | $4,638,900 | |
| MANGROVE PARTNERS IM, LLC | 1.5% | 450,000 | 0.36% | $4,437,000 | |
| METEORA CAPITAL, LLC | 1.4% | 418,813 | 0.3% | $4,129,496 | |
| Context Capital Management, LLC | 1.4% | 400,000 | 0.09% | $3,944,000 | |
| Ilex Capital Partners (UK) LLP | 1.4% | 400,000 | 0.1% | $3,944,000 | |
| Hudson Bay Capital Management LP | 1.3% | 379,148 | 0.02% | $3,742,191 | |
| TWO SIGMA INVESTMENTS, LP | 1.2% | 362,500 | 0% | $3,574,250 | |
| WHITEBOX ADVISORS LLC | 1.2% | 350,000 | 0.05% | $3,451,000 | |
| Kryger Capital LLC | 0.95% | 279,792 | 0% | 0.2% | $2,758,749 |
| GLAZER CAPITAL, LLC | 0.91% | 267,754 | 0.06% | $2,640,000 | |
| Shaolin Capital Management LLC | 0.85% | 250,101 | 0.2% | $2,465,996 | |
| Mint Tower Capital Management B.V. | 0.85% | 250,000 | 0.23% | $2,465,000 | |
| Alberta Investment Management Corp | 0.85% | 250,000 | 0.02% | $2,467,500 | |
| Sculptor Capital LP | 0.85% | 249,938 | 0.03% | $2,464,389 | |
| BERKLEY W R CORP | 0.84% | 247,850 | 0.13% | $2,443,801 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
1
Latest
Q1 2026
Rows shown
1-1 of 1
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 15,094,080 | $148,878,880 | +$140,390,487 | $9.86 | 42 |