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QSEA QUARTZSEA ACQUISITION CORP

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ORD SHS (common), issuer CIK 2047455

25 managers (25 13F filers) reported a position in QSEA shares at 2025-12-31, 7,501,463 shares in all. 0 filers opened a position and 0 filers sold out during the quarter.

Managers
25
13F filers
25
New
0
Added
6
Reduced
4
Sold out
0
Shares held by filers
7,501,463

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Karpus Management, Inc.2,263,880$23.2M0.71%-12,50013F-HR/ATimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC676,753$6.84M0.11%+34,97613F-HRTimelineGroup
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC602,513$6.16M0.09%+18,00813F-HRTimelineGroup
RIVERNORTH CAPITAL MANAGEMENT, LLC499,756$5.11M0.24%+102,25613F-HRTimeline
MANGROVE PARTNERS IM, LLC408,154$4.18M0.34%013F-HRTimeline
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC369,960$3.79M0.08%013F-HRTimelineGroup
Westchester Capital Management, LLCin group Westchester Capital Managemen…366,605$3.76M0.18%013F-HRTimelineGroup
Polar Asset Management Partners Inc.350,000$3.58M0.07%013F-HRTimeline
BERKLEY W R CORP317,686$3.25M0.18%+29,08313F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK241,975$2.48M<0.01%-25,00013F-HRTimelineGroup
Shaolin Capital Management LLC176,586$1.81M0.07%+1,58613F-HRTimeline
Linden Advisors LPin group Linden Advisors LP175,000$1.79M0.01%013F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…175,000$1.79M0.01%013F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.170,012$1.74M<0.01%013F-HRTimelineGroup
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC149,926$1.53M0.04%-13,82713F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC119,661$1.22M<0.01%013F-HR/ATimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP85,270$872K<0.01%-98,85813F-HRTimelineGroup
Dakota Wealth Management69,500$711K0.01%013F-HR/ATimeline
Logan Stone Capital, LLC50,053$512K0.13%013F-HRTimeline
Radcliffe Capital Management, L.P.26,553$272K0.01%013F-HRTimeline
Clear Street Group Inc.in group Clear Street Group Inc.24,693$253K<0.01%013F-HRTimelineGroup
Warberg Asset Management LLC24,000$246K0.07%013F-HRTimeline
Wellspring Financial Advisors, LLC17,700$181K0.01%013F-HRTimeline
Crossingbridge Advisors, LLC140,189$140K0.04%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY38$389<0.01%+713F-HR/ATimelineGroup