Clear Street’s Quartzsea Acquisition Corp QSEA Stock Holding History

Clear Street’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	$1.35M	Buy	+128,529	New	+$1.34M	﹤0.01%	379
2026 Q1	–	Sell	-24,693	Closed	-$253K	–	1197
2025 Q4	$253K	Hold	24,693	–	–	﹤0.01%	431
2025 Q3	$250K	Sell	24,693 -6,286	-20%	-$63.6K	﹤0.01%	338
2025 Q2	$311K	Buy	+30,979	New	+$310K	﹤0.01%	188

Other funds holding QSEA

WRBC

W.R. Berkley Corp Greenwich, Connecticut $2.18B AUM 13.58% 1-Year Est. Return

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

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

RLH Capital Great Neck, New York $209M AUM

Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return

Clear Street's QSEA Position: Q2 2026 in Review

Clear Street opened a new position in Quartzsea Acquisition Corp (QSEA) in Q2 2026: 128,529 shares worth $1.35M. The stake represents ﹤0.01% of the portfolio and ranks #379 among its holdings. This is a return to the name: Clear Street previously reported a position in QSEA as recently as Q4 2025.

Clear Street first reported a position in QSEA in Q2 2025 and has held it in 4 quarters since. 21 funds tracked by Wall St. Rank hold QSEA as of Q2 2026.

Clear Street held 128,529 shares of Quartzsea Acquisition Corp worth $1.35M as of Q2 2026.
Quartzsea Acquisition Corp was a new Clear Street position in Q2 2026.
Quartzsea Acquisition Corp made up ﹤0.01% of Clear Street's portfolio in Q2 2026, its #379 holding.
Clear Street first reported a position in Quartzsea Acquisition Corp in Q2 2025 and has held it in 4 quarters since.
21 funds tracked by Wall St. Rank held Quartzsea Acquisition Corp as of Q2 2026.

Based on Clear Street's 13F filing for Q2 2026, filed 12 Aug 2026.