UBS O'Connor’s Iron Horse Acquisitions II Corp Units IRHOU Stock Holding History

UBS O'Connor’s Portfolio IRHOU Stock Details IRHOU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	$994K	Buy	+100,000	New	+$996K	0.03%	161

Other funds holding IRHOU

LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return

MMCAP International Grand Cayman, Cayman Islands $1.18B AUM 50.44% 1-Year Est. Return

Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return

Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 51.46% 1-Year Est. Return

Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return

Wealthspring Capital West Harrison, New York $448M AUM 8.38% 1-Year Est. Return

CSS LLC Chicago, Illinois $2.57B AUM 67.1% 1-Year Est. Return

RCM

Radcliffe Capital Management Bala Cynwyd, Pennsylvania $1.32B AUM 1.82% 1-Year Est. Return

UBS O'Connor's IRHOU Position: Q4 2025 in Review

UBS O'Connor opened a new position in Iron Horse Acquisitions II Corp Units (IRHOU) in Q4 2025: 100,000 shares worth $994K. The stake represents 0.03% of the portfolio and ranks #161 among its holdings.

61 funds tracked by Wall St. Rank hold IRHOU as of Q4 2025.

UBS O'Connor held 100,000 shares of Iron Horse Acquisitions II Corp Units worth $994K as of Q4 2025.
Iron Horse Acquisitions II Corp Units was a new UBS O'Connor position in Q4 2025.
Iron Horse Acquisitions II Corp Units made up 0.03% of UBS O'Connor's portfolio in Q4 2025, its #161 holding.
61 funds tracked by Wall St. Rank held Iron Horse Acquisitions II Corp Units as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.