WRBC
JACS

W.R. Berkley Corp’s Jackson Acquisition Co II JACS Stock Holding History

W.R. Berkley Corp’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
2026
Q1 		$4.56M Buy
430,362
+84,097
+24% +$883K 0.24% 82
2025
Q4 		$3.61M Hold
346,265
– – 0.17% 97
2025
Q3 		$3.59M Hold
346,265
– – 0.21% 93
2025
Q2 		$3.57M Buy
346,265
+99,390
+40% +$1.01M 0.19% 103
2025
Q1 		$2.48M Buy
+246,875
New +$2.48M 0.15% 94

Other funds holding JACS

Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return
MC
Meteora Capital Boca Raton, Florida $1.36B AUM 21.19% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $10.4B AUM 4.78% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 1-Year Est. Return
MSU
Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return

W.R. Berkley Corp's JACS Position: Q1 2026 in Review

W.R. Berkley Corp increased its Jackson Acquisition Co II (JACS) stake by 24% in Q1 2026, buying an estimated $883K and bringing the position to 430,362 shares worth $4.56M. The position accounts for 0.24% of the portfolio, ranked #82.

W.R. Berkley Corp first reported a position in JACS in Q1 2025 and has held it in 5 quarters since. 47 funds tracked by Wall St. Rank hold JACS as of Q1 2026.

  • W.R. Berkley Corp held 430,362 shares of Jackson Acquisition Co II worth $4.56M as of Q1 2026.
  • W.R. Berkley Corp bought 84,097 Jackson Acquisition Co II shares in Q1 2026, an estimated $883K.
  • Jackson Acquisition Co II made up 0.24% of W.R. Berkley Corp's portfolio in Q1 2026, its #82 holding.
  • W.R. Berkley Corp first reported a position in Jackson Acquisition Co II in Q1 2025 and has held it in 5 quarters since.
  • 47 funds tracked by Wall St. Rank held Jackson Acquisition Co II as of Q1 2026.

Based on W.R. Berkley Corp's 13F filing for Q1 2026, filed 15 May 2026.