QSEA — Quartzsea Acquisition Corp Institutional Holders · Q2 2026

Name: Who Owns QSEA? 28 Institutions Hold $77.8M (Q2 2026)
Creator: ko.io

Who owns Quartzsea Acquisition Corp (QSEA)? 28 institutions reported holding $77.84M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Mizuho Securities USA LLC ($17.3M), Berkley W R Corp ($11.5M), Karpus Management, Inc. ($10.3M).

Rank	Institution	Value	Shares	Change
1	MIZUHO SECURITIES USA LLC	$17.3M	1.7M	Added
2	BERKLEY W R CORP	$11.5M	1.1M	Added
3	Karpus Management, Inc.	$10.3M	974,765	Trimmed
4	Westchester Capital Management, LLC	$6.4M	611,605	Added
5	RIVERNORTH CAPITAL MANAGEMENT, LLC	$5.3M	499,664	Trimmed
6	WOLVERINE ASSET MANAGEMENT LLC	$5.2M	495,488	Trimmed
7	Polar Asset Management Partners Inc.	$3.9M	375,000	Added
8	AQR Arbitrage LLC	$3.7M	356,213	Added
9	RLH Capital LLC	$2.7M	252,439	Added
10	Hudson Bay Capital Management LP	$1.8M	175,159	Added
11	D. E. Shaw & Co., Inc.	$1.8M	171,612	Added
12	TORONTO DOMINION BANK	$1.6M	150,000	Trimmed
13	Clear Street Group Inc.	$1.4M	128,529	New
14	GLAZER CAPITAL, LLC	$1.3M	126,887	Trimmed
15	GOLDMAN SACHS GROUP INC	$1.3M	119,661	Hold
16	Shaolin Capital Management LLC	$1.2M	114,840	Trimmed
17	Dakota Wealth Management	$523,476	49,760	Trimmed
18	Warberg Asset Management LLC	$241,076	22,916	Added
19	BNP PARIBAS FINANCIAL MARKETS	$178,703	16,987	Hold
20	CITADEL ADVISORS LLC	$115,173	10,948	New
21	MORGAN STANLEY	$642	61	Trimmed
22	TWO SIGMA INVESTMENTS, LP	$0	0	Exited
23	Radcliffe Capital Management, L.P.	$0	0	Exited
24	Linden Advisors LP	$0	0	Exited
25	MANGROVE PARTNERS IM, LLC	$0	0	Exited

Source: SEC Form 13F filings · as of 2026-06-30