Mangrove Partners’s Quartzsea Acquisition Corp Rights QSEAR Stock Holding History

Mangrove Partners’s Portfolio QSEAR Stock Details QSEAR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$89.8K	Hold	408,154	–	–	0.01%	400
2026 Q1	$65.3K	Hold	408,154	–	–	0.01%	407
2025 Q4	$81.7K	Hold	408,154	–	–	0.01%	356
2025 Q3	$117K	Hold	408,154	–	–	0.01%	162
2025 Q2	$106K	Buy	+408,154	New	+$106K	0.01%	142

Other funds holding QSEAR

HCI

Harraden Circle Investments New York $784M AUM 20.59% 1-Year Est. Return

SCM

Shaolin Capital Management Miami, Florida $2.1B AUM 64.05% 1-Year Est. Return

RCM

Rivernorth Capital Management West Palm Beach, Florida $2.1B AUM 2.15% 1-Year Est. Return

HCM

Highbridge Capital Management New York $4.11B AUM 26.03% 1-Year Est. Return

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

PAMP

Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return

Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return

Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return

Mangrove Partners's QSEAR Position: Q2 2026 in Review

Mangrove Partners held its Quartzsea Acquisition Corp Rights (QSEAR) position steady in Q2 2026 at 408,154 shares worth $89.8K. The position accounts for 0.01% of the portfolio, ranked #400.

Mangrove Partners first reported a position in QSEAR in Q2 2025 and has held it in 5 quarters since. The position peaked at $117K in Q3 2025. 14 funds tracked by Wall St. Rank hold QSEAR as of Q2 2026.

Mangrove Partners held 408,154 shares of Quartzsea Acquisition Corp Rights worth $89.8K as of Q2 2026.
Mangrove Partners left its Quartzsea Acquisition Corp Rights share count unchanged in Q2 2026.
Quartzsea Acquisition Corp Rights made up 0.01% of Mangrove Partners's portfolio in Q2 2026, its #400 holding.
Mangrove Partners first reported a position in Quartzsea Acquisition Corp Rights in Q2 2025 and has held it in 5 quarters since.
Mangrove Partners's Quartzsea Acquisition Corp Rights position peaked at $117K in Q3 2025.
14 funds tracked by Wall St. Rank held Quartzsea Acquisition Corp Rights as of Q2 2026.

Based on Mangrove Partners's 13F filing for Q2 2026, filed 14 Aug 2026.