Helix Acquisition Corp. II

Symbol
HLXB on Nasdaq
Entity
Company
Industry
Blank Checks (Office Of Real Estate & Construction)
Business address
C/O Cormorant Asset Management, Lp, 200 Clarendon Street, 52 Nd Floor, 02116 Boston, MA
Phone
857 702 0377
State of incorporation
Cayman Islands
Fiscal year end
December 31
Category
Non-accelerated filer
Smaller reporting company
Emerging growth company
All SEC filings
View on sec.gov
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Helix Acquisition Corp. II has filed 117 SEC EDGAR filings since 12/20/2023

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G/A Open Document Open Filing Nov 14, 2025 005-94447
SCHEDULE 13G/A Open Document Open Filing Nov 13, 2025 005-94447
10-Q Open Document | Data Open Filing 10-Q Nov 12, 2025 Sep 30, 2025 001-41955
8-K Open Document | Data Open Filing 8-K Nov 12, 2025 Nov 12, 2025 001-41955
4 Open Document Open Filing 4 Oct 16, 2025 Oct 10, 2025
S-8 Open Document | Data Open Filing S-8 Oct 10, 2025 333-290825
4 Open Document Open Filing 4 Oct 6, 2025 Oct 2, 2025
EFFECT Open Document Open Filing Sep 10, 2025 333-289940
424B3 Open Document Open Filing 424B3 Sep 10, 2025 333-289940
SCHEDULE 13G Open Document Open Filing Sep 3, 2025 005-94447
S-1 Open Document | Data Open Filing S-1 Aug 29, 2025 333-289940
4 Open Document Open Filing 4 Aug 28, 2025 Aug 26, 2025
4 Open Document Open Filing 4 Aug 28, 2025 Aug 26, 2025
4 Open Document Open Filing 4 Aug 28, 2025 Aug 26, 2025
4 Open Document Open Filing 4 Aug 28, 2025 Aug 26, 2025
4 Open Document Open Filing 4 Aug 28, 2025 Aug 26, 2025
4 Open Document Open Filing 4 Aug 28, 2025 Aug 26, 2025
4 Open Document Open Filing 4 Aug 28, 2025 Aug 26, 2025
EFFECT Open Document Open Filing Aug 19, 2025 333-288222
SCHEDULE 13G Open Document Open Filing Aug 18, 2025 005-94447
SCHEDULE 13D Open Document Open Filing Aug 18, 2025 005-94447
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
3 Open Document Open Filing 3 Aug 18, 2025 Aug 11, 2025
POS AM Open Document | Data Open Filing POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-4 Aug 15, 2025 333-288222
SCHEDULE 13D/A Open Document Open Filing Aug 13, 2025 005-94447
4 Open Document Open Filing Aug 13, 2025 Aug 11, 2025
8-K Open Document | Data Open Filing CURRENT REPORT Aug 13, 2025 Aug 11, 2025 001-41955
3 Open Document Open Filing Aug 11, 2025 Aug 11, 2025
4 Open Document Open Filing Aug 11, 2025 Aug 11, 2025
4 Open Document Open Filing Aug 11, 2025 Aug 11, 2025
4 Open Document Open Filing Aug 11, 2025 Aug 11, 2025
4 Open Document Open Filing Aug 11, 2025 Aug 11, 2025
4 Open Document Open Filing Aug 11, 2025 Aug 11, 2025
8-K Open Document | Data Open Filing CURRENT REPORT Aug 6, 2025 Aug 6, 2025 001-41955
425 Open Document Open Filing CURRENT REPORT Aug 4, 2025 001-41955
8-K Open Document | Data Open Filing CURRENT REPORT Aug 4, 2025 Aug 4, 2025 001-41955
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 1, 2025 Jun 30, 2025 001-41955
SCHEDULE 13G/A Open Document Open Filing Jul 30, 2025 005-94447
SCHEDULE 13G Open Document Open Filing Jul 24, 2025 005-94447
424B3 Open Document Open Filing PROSPECTUS SUPPLEMENT Jul 22, 2025 333-288222
425 Open Document Open Filing FORM 425 Jul 21, 2025 001-41955
425 Open Document Open Filing CURRENT REPORT Jul 11, 2025 001-41955
8-K Open Document | Data Open Filing CURRENT REPORT Jul 11, 2025 Jul 11, 2025 001-41955
EFFECT Open Document Open Filing Jul 10, 2025 333-288222
424B4 Open Document Open Filing PROSPECTUS Jul 10, 2025 333-288222
CORRESP Open Document Open Filing Jul 9, 2025
S-4/A Open Document | Data Open Filing REGISTRATION STATEMENT Jul 9, 2025 333-288222
CORRESP Open Document Open Filing Jul 1, 2025
S-4/A Open Document | Data Open Filing REGISTRATION STATEMENT Jul 1, 2025 333-288222
UPLOAD Open Document Open Filing Jun 27, 2025 377-07895
CORRESP Open Document Open Filing Jun 20, 2025
S-4 Open Document | Data Open Filing REGISTRATION STATEMENT Jun 20, 2025 333-288222
UPLOAD Open Document Open Filing Jun 11, 2025 377-07895
DRSLTR Open Document Open Filing May 30, 2025
DRS/A Open Document Open Filing May 30, 2025 377-07895
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2025 Mar 31, 2025 001-41955
UPLOAD Open Document Open Filing May 13, 2025 377-07895
SCHEDULE 13G/A Open Document Open Filing Apr 22, 2025 005-94447
SCHEDULE 13G Open Document Open Filing Apr 15, 2025 005-94447
DRS Open Document Open Filing Apr 15, 2025 377-07895
DRSLTR Open Document Open Filing Apr 14, 2025
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 11, 2025 Dec 31, 2024 001-41955
425 Open Document Open Filing FORM 425 Mar 6, 2025 001-41955
SCHEDULE 13D/A Open Document Open Filing Mar 4, 2025 005-94447
425 Open Document | Data Open Filing CURRENT REPORT Mar 3, 2025 001-41955
8-K Open Document | Data Open Filing CURRENT REPORT Mar 3, 2025 Feb 28, 2025 001-41955
425 Open Document Open Filing CURRENT REPORT Feb 28, 2025 001-41955
8-K Open Document | Data Open Filing CURRENT REPORT Feb 28, 2025 Feb 28, 2025 001-41955
3 Open Document Open Filing Feb 11, 2025 Feb 8, 2025
4 Open Document Open Filing Feb 10, 2025 Feb 8, 2025
4 Open Document Open Filing Feb 10, 2025 Feb 8, 2025
8-K Open Document | Data Open Filing CURRENT REPORT Feb 10, 2025 Feb 8, 2025 001-41955
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 14, 2024 Sep 30, 2024 001-41955
SC 13G Open Document Open Filing Nov 14, 2024 005-94447
SC 13G Open Document Open Filing Nov 8, 2024 005-94447
SC 13G Open Document Open Filing Oct 22, 2024 005-94447
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 14, 2024 Jun 30, 2024 001-41955
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2024 Mar 31, 2024 001-41955
SC 13G Open Document Open Filing HELIX ACQUISITION CORP. II Feb 23, 2024 005-94447
SC 13G Open Document Open Filing SC 13G Feb 23, 2024 005-94447
SC 13D Open Document Open Filing SCHEDULE 13D Feb 20, 2024 005-94447
8-K Open Document | Data Open Filing CURRENT REPORT Feb 20, 2024 Feb 13, 2024 001-41955
SC 13G Open Document Open Filing Feb 15, 2024 005-94447
8-K Open Document | Data Open Filing CURRENT REPORT Feb 14, 2024 Feb 8, 2024 001-41955
4 Open Document Open Filing Feb 13, 2024 Feb 13, 2024
4 Open Document Open Filing Feb 13, 2024 Feb 13, 2024
424B4 Open Document Open Filing PROSPECTUS Feb 13, 2024 333-276591
3 Open Document Open Filing Feb 9, 2024 Feb 8, 2024
3 Open Document Open Filing Feb 9, 2024 Feb 8, 2024
3 Open Document Open Filing Feb 9, 2024 Feb 8, 2024
EFFECT Open Document Open Filing Feb 8, 2024 333-276591
S-1MEF Open Document Open Filing REGISTRATION STATEMENT Feb 8, 2024 333-276958
3 Open Document Open Filing Feb 8, 2024 Feb 8, 2024
3 Open Document Open Filing Feb 8, 2024 Feb 8, 2024
3 Open Document Open Filing Feb 8, 2024 Feb 8, 2024
CERT Open Document Open Filing Feb 8, 2024 001-41955
8-A12B Open Document Open Filing FOR REGISTRATION OF CERTAIN CLASSES Feb 8, 2024 001-41955
CORRESP Open Document Open Filing Feb 7, 2024
CORRESP Open Document Open Filing Feb 7, 2024
S-1/A Open Document Open Filing REGISTRATION STATEMENT Feb 7, 2024 333-276591
CORRESP Open Document Open Filing Feb 6, 2024
UPLOAD Open Document Open Filing Feb 6, 2024 377-07010
CORRESP Open Document Open Filing Feb 2, 2024
S-1/A Open Document Open Filing REGISTRATION STATEMENT Feb 2, 2024 333-276591
UPLOAD Open Document Open Filing Jan 23, 2024 377-07010
CORRESP Open Document Open Filing Jan 18, 2024
S-1 Open Document Open Filing REGISTRATION STATEMENT Jan 18, 2024 333-276591
UPLOAD Open Document Open Filing Jan 10, 2024 377-07010
DRS Open Document Open Filing Dec 20, 2023 377-07010