Clear Street’s Quartzsea Acquisition Corp Units QSEAU Stock Holding History

Clear Street’s Portfolio QSEAU Stock Details QSEAU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$300K	Sell	27,995 -128,799	-82%	-$1.4M	﹤0.01%	659
2026 Q1	$1.64M	Buy	156,794 +328	+0.2%	+$3.42K	0.01%	261
2025 Q4	$1.63M	Hold	156,466	–	–	0.01%	239
2025 Q3	$1.63M	Buy	156,466 +9,648	+7%	+$99.6K	0.01%	194
2025 Q2	$1.51M	Sell	146,818 -53,182	-27%	-$542K	0.01%	104
2025 Q1	$2.02M	Buy	+200,000	New	+$2.01M	0.02%	55

Other funds holding QSEAU

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Clear Street's QSEAU Position: Q2 2026 in Review

Clear Street reduced its Quartzsea Acquisition Corp Units (QSEAU) stake by 82% in Q2 2026, selling an estimated $1.4M and leaving 27,995 shares worth $300K. The position accounts for ﹤0.01% of the portfolio, ranked #659.

Clear Street first reported a position in QSEAU in Q1 2025 and has held it in 6 quarters since. The position peaked at $2.02M in Q1 2025. 2 funds tracked by Wall St. Rank hold QSEAU as of Q2 2026.

Clear Street held 27,995 shares of Quartzsea Acquisition Corp Units worth $300K as of Q2 2026.
Clear Street sold 128,799 Quartzsea Acquisition Corp Units shares in Q2 2026, an estimated $1.4M.
Quartzsea Acquisition Corp Units made up ﹤0.01% of Clear Street's portfolio in Q2 2026, its #659 holding.
Clear Street first reported a position in Quartzsea Acquisition Corp Units in Q1 2025 and has held it in 6 quarters since.
Clear Street's Quartzsea Acquisition Corp Units position peaked at $2.02M in Q1 2025.
2 funds tracked by Wall St. Rank held Quartzsea Acquisition Corp Units as of Q2 2026.

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