MIZUHO SECURITIES USA LLC

Broker-Dealer

Position in QSEA — Quartzsea Acquisition Corp

CIK 812291 NEW YORK, NY

Position in QSEA

as of Jun 30, 2026 · filed Jul 28, 2026 Compact

Position Value

$10,449,473

+$3,421,165 QoQ

Shares Held

993,296

+44.4% QoQ

Ownership

9.80%

of shares outstanding

% of Portfolio

0.17%

of 13F equity value

Holder Rank

of 21 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

MIZUHO SECURITIES USA LLC holds $719,293,826 across 196 Shell Companies names. QSEA ranks #14 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1			2,637,169	$30,116,469
2	DMAA	Drugs Made In America Acquisition Corp.	2,069,605	$22,041,293
3	SBXD	SilverBox Corp IV	1,840,442	$19,895,178
4	GTERA	Globa Terra Acquisition Corp	1,608,896	$16,587,717
5	DRDB	Roman DBDR Acquisition Corp. II	1,571,027	$16,550,769
6	MCGA	Yorkville Acquisition Corp.	1,565,425	$15,982,989
7	MACI	Melar Acquisition Corp. I/Cayman	1,250,727	$13,607,909
8	CRAC	Crown Reserve Acquisition Corp. I	1,190,077	$12,031,678

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$10,449,473	993,296	+46.6%	Shares	Defined	2026-07-28
2026-03-31 QSEAR	—	10,235	-84.3%	Shares	Defined	2026-05-11
2026-03-31	$7,028,308	677,754	+0.1%	Shares	Defined	2026-05-11
2025-12-31	$6,923,183	676,753	+5.4%	Shares	Defined	2026-02-09
2025-09-30 QSEAR	—	65,254	0.0%	Shares	Defined	2025-10-22
2025-09-30	$6,501,201	641,777	+40.4%	Shares	Defined	2025-10-22
2025-06-30 QSEAR	—	65,254	—	Shares	Defined	2025-08-01
2025-06-30	$4,591,941	457,137	—	Shares	Defined	2025-08-01
No filing history on record for this holder in this stock.