Iron Horse Acquisition IIIRHOU
13F holders, Q1 2026 (March 31)22holders −39
2new positions
4sold out
1famous investor
$9.96avg. 13F price*
At the end of Q1 2026, 22 institutions reported holding Iron Horse Acquisition II Co. (IRHOU) in their 13F filings, down 39 from Q4 2025. 2 opened new positions and 4 sold out. The largest holders were MMCAP International Inc. SPC ($14.9M), LMR Partners LLP ($14.9M) and Wealthspring Capital LLC ($7.3M). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Iron Horse Acquisition II Co.
- CUSIP
- 46283H202
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $896K |
| Exits | 4 | $5.5M |
All 13F filers, Q4 2025 → Q1 2026: 100,161 shares bought and 580,380 shares sold, net −480,219 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 22 holders
| MMCAP International Inc. SPC | 1.30% | No change | 1,500,000 | $14.9M |
| LMR Partners LLP | 0.18% | No change | 1,500,000 | $14.9M |
| Wealthspring Capital LLC | 1.77% | Reduce -0.2% | 737,680 | $7.3M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | No change | 602,165 | $6.0M |
| HGC Investment Management Inc. | 1.17% | No change | 523,489 | $5.2M |
| TIG Advisors, LLC | 0.19% | No change | 400,000 | $4.0M |
| OMERS ADMINISTRATION Corp | 0.03% | No change | 400,000 | $4.0M |
| Millennium Management | 0.00% | Add +0.1% | 300,161 | $3.0M |
| BlueCrest Capital Management Ltd | 0.24% | No change | 175,000 | $1.7M |
| Westchester Capital Management, LLC | 0.07% | No change | 150,000 | $1.5M |
| Yakira Capital Management, Inc. | 0.43% | Reduce -2.1% | 146,907 | $1.5M |
| Syquant Capital Sas | 0.19% | No change | 125,000 | $1.2M |
| HRT Financial LP | 0.00% | Reduce -13.1% | 110,858 | $1.1M |
| O'Connor Alternative Investments LLC | 0.06% | — | 100,000 | $996K |
| Stoic Point Capital Management LLC | 0.54% | Add +10.0% | 55,000 | $548K |
| Prelude Capital Management, LLC | 0.04% | Add +10.0% | 55,000 | $548K |
| Toronto Dominion Bank | 0.00% | New | 50,000 | $498K |
| Clear Street Group Inc. | 0.00% | Reduce -13.7% | 45,291 | $451K |
| Kepos Capital LP | 0.67% | New | 40,000 | $398K |
| Tuttle Capital Management, LLC | 0.41% | No change | 25,000 | $249K |
| Lineage Point Capital LP | 0.04% | No change | 16,600 | $165K |
| FNY Investment Advisers, LLC | 0.00% | No change | 200 | $1K |
"% of holder's portfolio" is IRHOU's weight in each manager's 13F, not the share of Iron Horse Acquisition II Co. the manager owns.