WRBC
QSEA

W.R. Berkley Corp’s Quartzsea Acquisition Corp QSEA Stock Holding History

W.R. Berkley Corp’s Portfolio QSEA Stock Details QSEA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$11.5M Buy
1,094,190
+688,641
+170% +$7.19M 0.53% 40
2026
Q1 		$4.21M Buy
405,549
+87,863
+28% +$905K 0.23% 95
2025
Q4 		$3.25M Buy
317,686
+29,083
+10% +$296K 0.15% 107
2025
Q3 		$2.92M Buy
288,603
+139,365
+93% +$1.41M 0.17% 113
2025
Q2 		$1.5M Buy
+149,238
New +$1.49M 0.08% 160

Other funds holding QSEA

MSU
Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return
KIM
Karpus Investment Management Pittsford, New York $3.48B AUM 10.49% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return
RCM
Rivernorth Capital Management West Palm Beach, Florida $2.1B AUM 2.15% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
RC
RLH Capital Great Neck, New York $209M AUM
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

W.R. Berkley Corp's QSEA Position: Q2 2026 in Review

W.R. Berkley Corp increased its Quartzsea Acquisition Corp (QSEA) stake by 170% in Q2 2026, buying an estimated $7.19M and bringing the position to 1,094,190 shares worth $11.5M. The position accounts for 0.53% of the portfolio, ranked #40.

W.R. Berkley Corp first reported a position in QSEA in Q2 2025 and has held it in 5 quarters since. 21 funds tracked by Wall St. Rank hold QSEA as of Q2 2026.

  • W.R. Berkley Corp held 1,094,190 shares of Quartzsea Acquisition Corp worth $11.5M as of Q2 2026.
  • W.R. Berkley Corp bought 688,641 Quartzsea Acquisition Corp shares in Q2 2026, an estimated $7.19M.
  • Quartzsea Acquisition Corp made up 0.53% of W.R. Berkley Corp's portfolio in Q2 2026, its #40 holding.
  • W.R. Berkley Corp first reported a position in Quartzsea Acquisition Corp in Q2 2025 and has held it in 5 quarters since.
  • 21 funds tracked by Wall St. Rank held Quartzsea Acquisition Corp as of Q2 2026.

Based on W.R. Berkley Corp's 13F filing for Q2 2026, filed 14 Aug 2026.