UOC
JACS

UBS O'Connor’s Jackson Acquisition Co II JACS Stock Holding History

UBS O'Connor’s Portfolio JACS Stock Details JACS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$1.04M Hold
100,000
– – 0.03% 147
2025
Q3 		$1.04M Hold
100,000
– – 0.03% 181
2025
Q2 		$1.03M Buy
+100,000
New +$1.02M 0.03% 214

Other funds holding JACS

Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return
HIM
HGC Investment Management Toronto, Ontario, Canada $507M AUM 6.15% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return
MC
Meteora Capital Boca Raton, Florida $1.21B AUM 13.69% 1-Year Est. Return

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

UBS O'Connor held its Jackson Acquisition Co II (JACS) position steady in Q4 2025 at 100,000 shares worth $1.04M. The position accounts for 0.03% of the portfolio, ranked #147.

UBS O'Connor first reported a position in JACS in Q2 2025 and has held it in 3 quarters since. 42 funds tracked by Wall St. Rank hold JACS as of Q4 2025.

  • UBS O'Connor held 100,000 shares of Jackson Acquisition Co II worth $1.04M as of Q4 2025.
  • UBS O'Connor left its Jackson Acquisition Co II share count unchanged in Q4 2025.
  • Jackson Acquisition Co II made up 0.03% of UBS O'Connor's portfolio in Q4 2025, its #147 holding.
  • UBS O'Connor first reported a position in Jackson Acquisition Co II in Q2 2025 and has held it in 3 quarters since.
  • 42 funds tracked by Wall St. Rank held Jackson Acquisition Co II as of Q4 2025.

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