IRHO
Iron Horse Acquisition II Corp.Company with tickers: IRHO, IRHOR, IRHOU
CIK
2051985
CUSIP
46283H103
Shares Outstanding
29,320,000
13F Activity (30d)
35 filings
35 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 42
Total Value: $148,827,619
Total Shares: 15,094,080
Holder Concentration
Across 42 13F filersTop Holder
9.9%
of institutional value
Top 5
37.3%
of institutional value
Top 10
57.6%
of institutional value
HHI
470
Broadly held
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid Linden Advisors LP | $14,790,000 | 9.94% | 1,500,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Magnetar Financial LLC | $14,790,000 | 9.94% | 1,500,000 | Shares | Sole | 2026-05-13 | ||||
| Mid AQR Arbitrage LLC | $9,142,201 | 6.14% | 927,201 | Shares | Defined | 2026-05-15 | ||||
| Mid PICTON MAHONEY ASSET MANAGEMENT | $8,874,000 | 5.96% | 900,000 | Shares | Sole | 2026-05-13 | ||||
| Mid Polar Asset Management Partners Inc. | $7,888,000 | 5.30% | 800,000 | Shares | Sole | 2026-05-15 | ||||
| Small CSS LLC/IL | $7,272,292 | 4.89% | 737,555 | Shares | Sole | 2026-05-15 | ||||
| Small Radcliffe Capital Management, L.P. | $5,986,814 | 4.02% | 607,182 | Shares | Sole | 2026-05-15 | ||||
| Mid First Trust Capital Management L.P. | $5,916,000 | 3.98% | 600,000 | Shares | Sole | 2026-05-14 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $5,723,838 | 3.85% | 580,511 | Shares | Defined | 2026-05-12 | ||||
| Mid TENOR CAPITAL MANAGEMENT Co., L.P. | $5,398,428 | 3.63% | 547,508 | Shares | Sole | 2026-05-15 | ||||
| Small HEIGHTS CAPITAL MANAGEMENT, INC | $4,634,200 | 3.11% | 470,000 | Shares | Other | 2026-05-15 | ||||
| Mid MANGROVE PARTNERS IM, LLC | $4,437,000 | 2.98% | 450,000 | Shares | Sole | 2026-05-15 | ||||
| Mid METEORA CAPITAL, LLC | $4,129,496 | 2.77% | 418,813 | Shares | Defined | 2026-05-15 | ||||
| Mid Ilex Capital Partners (UK) LLP | $3,944,000 | 2.65% | 400,000 | Shares | Sole | 2026-05-15 | ||||
| Small Context Capital Management, LLC | $3,944,000 | 2.65% | 400,000 | Shares | Sole | 2026-05-07 | ||||
| Large Hudson Bay Capital Management LP | $3,738,399 | 2.51% | 379,148 | Shares | Sole | 2026-05-13 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $3,574,250 | 2.40% | 362,500 | Shares | Sole | 2026-05-15 | ||||
| Mid WHITEBOX ADVISORS LLC | $3,451,000 | 2.32% | 350,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Kryger Capital LLC | $2,758,749 | 1.85% | 279,792 | Shares | Defined | 2026-05-14 | ||||
| Mid GLAZER CAPITAL, LLC | $2,640,054 | 1.77% | 267,754 | Shares | Sole | 2026-05-14 | ||||
| Small Shaolin Capital Management LLC | $2,465,995 | 1.66% | 250,101 | Shares | Sole | 2026-05-15 | ||||
| Mid Alberta Investment Management Corp | $2,465,000 | 1.66% | 250,000 | Shares | Sole | 2026-04-29 | ||||
| Small Mint Tower Capital Management B.V. | $2,465,000 | 1.66% | 250,000 | Shares | Sole | 2026-05-04 | ||||
| Mid Sculptor Capital LP | $2,464,388 | 1.66% | 249,938 | Shares | Defined | 2026-05-15 | ||||
| Mid BERKLEY W R CORP | $2,443,801 | 1.64% | 247,850 | Shares | Sole | 2026-05-15 | ||||
| Mid SONA ASSET MANAGEMENT (US) LLC | $2,407,210 | 1.62% | 244,139 | Shares | Other | 2026-05-15 | ||||
| Mid WOLVERINE ASSET MANAGEMENT LLC | $1,989,748 | 1.34% | 201,800 | Shares | Defined | 2026-05-04 | ||||
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $1,972,000 | 1.33% | 200,000 | Shares | Sole | 2026-05-01 | ||||
| Small HIGHBRIDGE CAPITAL MANAGEMENT LLC | $1,138,376 | 0.76% | 115,454 | Shares | Sole | 2026-05-15 | ||||
| Large Clear Street Group Inc. | $1,127,924 | 0.76% | 114,394 | Shares | Sole | 2026-05-15 | ||||
| Mid MOORE CAPITAL MANAGEMENT, LP | $986,000 | 0.66% | 100,000 | Shares | Sole | 2026-05-15 | ||||
| Micro L1 Global Manager Pty Ltd | $986,000 | 0.66% | 100,000 | Shares | Sole | 2026-05-15 | ||||
| Small Periscope Capital Inc. | $867,680 | 0.58% | 88,000 | Shares | Sole | 2026-05-14 | ||||
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $493,000 | 0.33% | 50,000 | Shares | Sole | 2026-05-15 | ||||
| Mid Karpus Management, Inc. | $443,700 | 0.30% | 45,000 | Shares | Sole | 2026-05-14 | ||||
| Small DELTEC ASSET MANAGEMENT LLC | $246,500 | 0.17% | 25,000 | Shares | Sole | 2026-04-24 | ||||
| Mid Virtu Financial LLC | $242,378 | 0.16% | 24,582 | Shares | Defined | 2026-05-14 | ||||
| Mega ROYAL BANK OF CANADA Bank | $213,754 | 0.14% | 21,679 | Shares | Defined | 2026-05-15 | ||||
| Mid MIZUHO SECURITIES USA LLC Broker-Dealer | $206,803 | 0.14% | 20,974 | Shares | Defined | 2026-05-11 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $108,460 | 0.07% | 11,000 | Shares | Other | 2026-05-15 | ||||
| Small PenderFund Capital Management Ltd. | $49,300 | 0.03% | 5,000 | Shares | Sole | 2026-05-15 | ||||
| Mega UBS Group AG | $11,881 | 0.01% | 1,205 | Shares | Defined | 2026-05-05 | ||||
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