Iron Horse Acquisiti- RightsIRHOR Preferred / convertible 13F holders, Q1 2026 (March 31) 39 holders
$0.14 avg. 13F price*
At the end of Q1 2026 , 39 institutions reported holding Iron Horse Acquisiti- Rights (IRHOR) in their 13F filings. The largest holders were Linden Advisors LP ($203K), Magnetar Financial LLC ($203K) and Polar Asset Management Partners Inc. ($114K).
Company Iron Horse Acquisiti- Rights
CUSIP 46283H129
Latest filing quarter Q2 2026 History Number of 13F holders
Total Exit/New Position Q1 2026 Institutions Total Value New Positions 4 $87K Exits 0 $0
Ownership 39 holders Portfolio Manager % of Holder's Portfolio Change Shares Value ▼ Linden Advisors LP — No change 1,500,000 $203K Magnetar Financial LLC — No change 1,500,000 $203K Polar Asset Management Partners Inc. — No change 800,000 $114K AQR Arbitrage LLC — Add +0.8% 981,320 $108K CSS LLC — Reduce -90.0% 73,810 $105K Picton Mahoney Asset Management — No change 900,000 $99K First Trust Capital Management L.P. — Reduce -2.3% 586,507 $83K Radcliffe Capital Management, L.P. — Add +0.1% 604,519 $82K TENOR CAPITAL MANAGEMENT Co., L.P. — No change 547,508 $78K BNP Paribas Financial Markets — No change 526,392 $71K Mangrove Partners Im, LLC — Add +304.8% 450,000 $64K Context Capital Management, LLC — No change 400,000 $57K Ilex Capital Partners (UK) LLP — No change 400,000 $57K Meteora Capital, LLC — Reduce -7.9% 446,498 $54K Heights Capital Management, Inc. — No change 470,000 $52K Whitebox Advisors LLC — No change 350,000 $50K Hudson Bay Capital Management LP — No change 379,148 $42K Toronto Dominion Bank — New 289,392 $41K Kryger Capital LLC — — 256,400 $36K Mint Tower Capital Management B.V. — No change 250,000 $36K Shaolin Capital Management LLC — No change 250,101 $36K Sona Asset Management (us) LLC — New 244,139 $35K Berkley W R Corp. — No change 247,850 $33K Sculptor Capital LP — Reduce -45.5% 243,088 $33K Glazer Capital, LLC — Add +29.2% 267,754 $32K Wolverine Asset Management LLC — No change 199,900 $28K Commonwealth of Pennsylvania Public School Empls Retrmt SYS — No change 200,000 $27K Clear Street Group Inc. — Add +114.9% 112,800 $16K Moore Capital Management, LP — No change 100,000 $14K Periscope Capital Inc. — No change 88,000 $12K Virtu Financial LLC — Add +107.5% 87,681 $10K Parallax Volatility Advisers, L.P. — New 53,816 $9K L1 Global Manager Pty Ltd — Reduce -35.8% 64,200 $9K Rivernorth Capital Management, LLC — No change 50,000 $7K ExodusPoint Capital Management, LP — No change 36,628 $5K Flow Traders U.S. LLC — New 14,499 $2K PenderFund Capital Management Ltd. — No change 5,000 $675 UBS Group AG — Reduce -100.0% 83 $10 Royal Bank of Canada — Reduce -98.5% 726 $0
"% of holder's portfolio" is IRHOR's weight in each manager's 13F, not the share of Iron Horse Acquisiti- Rights the manager owns.