UOC
HYAC

UBS O'Connor’s Haymaker Acquisition Corp 4 HYAC Stock Holding History

UBS O'Connor’s Portfolio HYAC Stock Details HYAC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$1.14M Hold
100,248
– – 0.03% 141
2025
Q3 		$1.14M Hold
100,248
– – 0.03% 175
2025
Q2 		$1.11M Hold
100,248
– – 0.03% 200
2025
Q1 		$1.1M Hold
100,248
– – 0.03% 178
2024
Q4 		$1.08M Hold
100,248
– – 0.03% 223
2024
Q3 		$1.07M Sell
100,248
-3,238
-3% -$34.3K 0.03% 271
2024
Q2 		$1.09M Hold
103,486
– – 0.03% 285
2024
Q1 		$1.08M Hold
103,486
– – 0.03% 269
2023
Q4 		$1.06M Sell
103,486
-46,514
-31% -$476K 0.03% 261
2023
Q3 		$1.53M Buy
+150,000
New +$1.53M 0.03% 280

Other funds holding HYAC

FBCM
Fort Baker Capital Management Larkspur, California $1.37B AUM 26.91% 1-Year Est. Return
WRBC
W.R. Berkley Corp Greenwich, Connecticut $2.18B AUM 13.58% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return
WC
Wealthspring Capital West Harrison, New York $448M AUM 8.38% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return
FTCM
First Trust Capital Management Chicago, Illinois $1.72B AUM 70.66% 1-Year Est. Return
MSU
Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
MI
MMCAP International Grand Cayman, Cayman Islands $1.18B AUM 50.44% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return

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

UBS O'Connor held its Haymaker Acquisition Corp 4 (HYAC) position steady in Q4 2025 at 100,248 shares worth $1.14M. The position accounts for 0.03% of the portfolio, ranked #141.

UBS O'Connor first reported a position in HYAC in Q3 2023 and has held it in 10 quarters since. The position peaked at $1.53M in Q3 2023. 48 funds tracked by Wall St. Rank hold HYAC as of Q4 2025.

  • UBS O'Connor held 100,248 shares of Haymaker Acquisition Corp 4 worth $1.14M as of Q4 2025.
  • UBS O'Connor left its Haymaker Acquisition Corp 4 share count unchanged in Q4 2025.
  • Haymaker Acquisition Corp 4 made up 0.03% of UBS O'Connor's portfolio in Q4 2025, its #141 holding.
  • UBS O'Connor first reported a position in Haymaker Acquisition Corp 4 in Q3 2023 and has held it in 10 quarters since.
  • UBS O'Connor's Haymaker Acquisition Corp 4 position peaked at $1.53M in Q3 2023.
  • 48 funds tracked by Wall St. Rank held Haymaker Acquisition Corp 4 as of Q4 2025.

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