Iron Horse Acquisiti- RightsIRHORPreferred / convertible

13F holders, Q2 2026 (June 30)
50holders +11
18new positions
7sold out
1famous investor
$0.17avg. 13F price*

At the end of Q2 2026, 50 institutions reported holding Iron Horse Acquisiti- Rights (IRHOR) in their 13F filings, up 11 from Q1 2026. 18 opened new positions and 7 sold out. The largest holders were Magnetar Financial LLC ($241K), MMCAP International Inc. SPC ($241K) and Linden Advisors LP ($241K). One famous investor held it Israel Englander ( of Millennium Management's portfolio).

Company
Iron Horse Acquisiti- Rights
CUSIP
46283H129
Latest filing quarter
Q2 2026

History

Number of 13F holders

01020304050 Q1 2026: 39Q1 2026Q2 2026: 50Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions18$911K
Exits7$203K

All 13F filers, Q1 2026 → Q2 2026: 6,248,628 shares bought and 2,101,791 shares sold, net +4,146,837 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 50 holders
Magnetar Financial LLC — No change 1,500,000 $241K
MMCAP International Inc. SPC — New 1,500,000 $241K
Linden Advisors LP — No change 1,500,000 $241K
AQR Arbitrage LLC — Add +1.1% 992,610 $160K
Picton Mahoney Asset Management — No change 900,000 $145K
Polar Asset Management Partners Inc. — No change 800,000 $129K
CSS LLC — No change 73,810 $119K
Wealthspring Capital LLC — New 737,680 $119K
Meteora Capital, LLC — Add +56.0% 696,490 $112K
Radcliffe Capital Management, L.P. — No change 604,519 $97K
Healthcare of Ontario Pension Plan Trust Fund — New 602,165 $97K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 547,508 $88K
BNP Paribas Financial Markets — No change 526,392 $84K
HGC Investment Management Inc. — New 523,489 $84K
Glazer Capital, LLC — Add +86.7% 500,000 $80K
Context Capital Management, LLC — No change 400,000 $64K
TIG Advisors, LLC — New 400,000 $64K
Harraden Circle Investments, LLC — New 389,400 $63K
Hudson Bay Capital Management LP — No change 379,148 $61K
Whitebox Advisors LLC — No change 350,000 $56K
Kryger Capital LLC — Add +34.2% 344,005 $55K
Heights Capital Management, Inc. — Reduce -32.5% 317,338 $51K
Mangrove Partners Im, LLC — Reduce -33.1% 300,987 $48K
Millennium Management — New 300,000 $48K
Shaolin Capital Management LLC — Add +1.8% 254,466 $41K
Alberta Investment Management Corp — New 250,000 $40K
Mint Tower Capital Management B.V. — No change 250,000 $40K
Sona Asset Management (us) LLC — No change 244,139 $39K
Sculptor Capital LP — No change 243,088 $39K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS — No change 200,000 $32K
Aristeia Capital, L.L.C. — New 200,200 $32K
Toronto Dominion Bank — Reduce -34.4% 189,989 $31K
Boothbay Fund Management, LLC — New 172,498 $28K
Yakira Capital Management, Inc. — New 146,907 $24K
Ionic Capital Management LLC — New 125,327 $20K
Moore Capital Management, LP — No change 100,000 $16K
O'Connor Alternative Investments LLC — New 100,000 $16K
Periscope Capital Inc. — No change 88,000 $14K
SummitTX Capital, L.P. — New 57,061 $9K
Prelude Capital Management, LLC — New 55,000 $9K
Stoic Point Capital Management LLC — New 55,000 $9K
Rivernorth Capital Management, LLC — No change 50,000 $9K
Clear Street Group Inc. — Reduce -65.4% 39,000 $6K
ExodusPoint Capital Management, LP — No change 36,628 $6K
Kepos Capital LP — New 24,100 $4K
Schonfeld Strategic Advisors LLC — New 22,399 $4K
Flow Traders U.S. LLC — Add +13.1% 16,403 $3K
Wolverine Asset Management LLC — Reduce -90.8% 18,330 $3K
UBS Group AG — Reduce -75.9% 20 $3
Royal Bank of Canada — Reduce -31.1% 500 $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.