Iron Horse Acquisition Co.-29UCFIWPreferred / convertible
13F holders, Q3 2025 (September 30)24holders −3
2new positions
5sold out
1famous investor
$0.39avg. 13F price*
At the end of Q3 2025, 24 institutions reported holding Iron Horse Acquisition Co.-29 (UCFIW) in their 13F filings, down 3 from Q2 2025. 2 opened new positions and 5 sold out. The largest holders were Boothbay Fund Management, LLC ($1.1M), Rivernorth Capital Management, LLC ($51K) and Aristeia Capital, L.L.C. ($42K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).
- Company
- Iron Horse Acquisition Co.-29
- CUSIP
- 462837113
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $23K |
| Exits | 5 | $32K |
All 13F filers, Q2 2025 → Q3 2025: 470,542 shares bought and 1,370,070 shares sold, net −899,528 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 24 holders
| Boothbay Fund Management, LLC | — | Reduce -16.7% | 278,320 | $1.1M |
| Rivernorth Capital Management, LLC | — | No change | 508,133 | $51K |
| Aristeia Capital, L.L.C. | — | Add +206.1% | 363,364 | $42K |
| AQR Arbitrage LLC | — | Reduce -11.8% | 396,760 | $40K |
| Clear Street Group Inc. | — | — | 326,465 | $33K |
| Atw Spac Management LLC | — | Reduce -16.7% | 278,320 | $28K |
| Toronto Dominion Bank | — | Reduce -67.5% | 247,054 | $25K |
| Westchester Capital Management, LLC | — | No change | 243,606 | $25K |
| StoneX Group Inc. | — | New | 213,506 | $22K |
| Yakira Capital Management, Inc. | — | No change | 153,706 | $16K |
| Whitebox Advisors LLC | — | No change | 150,000 | $15K |
| D. E. Shaw & Co. | — | No change | 119,035 | $12K |
| Periscope Capital Inc. | — | No change | 99,000 | $10K |
| Hudson Bay Capital Management LP | — | Reduce -50.9% | 97,000 | $10K |
| Gritstone Asset Management LLC | — | Reduce -14.7% | 96,144 | $10K |
| CSS LLC | — | No change | 91,835 | $9K |
| Polar Asset Management Partners Inc. | — | No change | 75,000 | $8K |
| Bulldog Investors, LLP | — | Reduce -6.8% | 65,272 | $7K |
| Centiva Capital, LP | — | No change | 65,000 | $7K |
| Flow Traders U.S. LLC | — | Reduce -6.2% | 17,705 | $2K |
| SkyView Investment Advisors, LLC | — | No change | 15,000 | $2K |
| TrueMark Investments, LLC | — | New | 12,150 | $1K |
| Longfellow Investment Management Co. LLC | — | No change | 4,320 | $436 |
| Bank of America Corp. | — | Add +323.0% | 313 | $32 |
"% of holder's portfolio" is UCFIW's weight in each manager's 13F, not the share of Iron Horse Acquisition Co.-29 the manager owns.