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BSAA BEST SPAC I ACQUISITION CORP

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USD CL A ORD SHS (common), issuer CIK 2051587

29 managers (29 13F filers) reported a position in BSAA shares at 2026-03-31, 4,348,667 shares in all. 1 filer opened a position and 1 filer sold out during the quarter.

Managers
29
13F filers
29
New
1
Added
7
Reduced
5
Sold out
1
Shares held by filers
4,348,667

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

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC533,699$5.4M0.13%013F-HRTimelineGroup
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC518,575$5.32M0.08%-7,40713F-HRTimelineGroup
BERKLEY W R CORP437,808$4.48M0.24%+112,55313F-HRTimeline
RIVERNORTH CAPITAL MANAGEMENT, LLC400,000$4.1M0.21%013F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…275,000$2.82M0.02%013F-HRTimelineGroup
Shaolin Capital Management LLC223,317$2.29M0.1%013F-HRTimeline
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC193,207$1.98M0.04%-10,10113F-HRTimelineGroup
Polar Asset Management Partners Inc.185,100$1.9M0.05%+10013F-HRTimeline
HEIGHTS CAPITAL MANAGEMENT, INCin group HEIGHTS CAPITAL MANAGEMENT, I…175,000$1.8M0.5%013F-HRTimelineGroup
Karpus Management, Inc.170,501$1.74M0.05%-69413F-HRTimeline
Radcliffe Capital Management, L.P.170,000$1.74M0.13%013F-HRTimeline
Clear Street Group Inc.in group Clear Street Group Inc.165,856$1.7M0.01%+3,92613F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC162,500$1.67M0.04%013F-HRTimeline
MMCAP International Inc. SPCin group MMCAP125,000$1.28M0.11%013F-HRTimelineGroup
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC109,800$1.12M0.02%-4,23413F-HRTimelineGroup
ARISTEIA CAPITAL, L.L.C.95,000$975K0.02%013F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK50,000$513K<0.01%+43,10013F-HRTimelineGroup
L1 Global Manager Pty Ltd50,000$513K0.41%013F-HRTimeline
Westchester Capital Management, LLCin group Westchester Capital Managemen…50,000$511K0.02%013F-HRTimelineGroup
Mint Tower Capital Management B.V.45,000$462K0.04%013F-HRTimeline
Quarry LP40,710$417K0.08%new13F-HRTimeline
RLH Capital LLC40,710$417K0.21%13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS40,646$415K<0.01%+4,68013F-HRTimelineGroup
Dakota Wealth Management37,250$381K0.01%013F-HR/ATimeline
Centiva Capital, LP25,000$256K0.01%013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…13,917$143K<0.01%-90413F-HRTimelineGroup
PenderFund Capital Management Ltd.11,800$121K0.02%013F-HRTimeline
UBS Group AGin group UBS Group AG3,237$33.1K<0.01%+2,94313F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY34$347<0.01%+1813F-HRTimelineGroup

Events

  • Tsang Claudius reported 1,652,000 BSAA shares, 80% of the class, as of 2026-09-29, in a 13D filed 2026-09-29. 0001213900-26-104723

    Accepted , ingested
  • Chen Yun reported 0 BSAA shares, 0% of the class, as of 2026-09-29, in a 13G/A filed 2026-09-29. 0001213900-26-104722

    Accepted , ingested