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QSEAU QUARTZSEA ACQUISITION CORP

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UNIT 02/18/2030 (unit), issuer CIK 2047455

3 managers (3 13F filers) reported a position in QSEAU shares at 2025-09-30, 260,838 shares in all. 0 filers opened a position and 0 filers sold out during the quarter.

Managers
3
13F filers
3
New
0
Added
0
Reduced
1
Sold out
0
Shares held by filers
260,838

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, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, 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
Clear Street Group Inc.in group Clear Street Group Inc.156,466$1.63M0.01%13F-HRTimelineGroup
RIVERNORTH CAPITAL MANAGEMENT, LLC102,372$1.03M0.06%-397,62813F-HRTimeline
UBS Group AGin group UBS Group AG2,000$20.2K<0.01%013F-HRTimelineGroup