Ticker LaunchSPAC · Merger completed
Helix Acquisition Corp. II
Business combination with TheRas, Inc.
Helix Acquisition Corp. II is a blank-check company (SPAC) that raised $160M in its initial public offering on Feb 13, 2024, listing on Nasdaq. It completed its business combination with TheRas, Inc. on Aug 11, 2025; the combined company is BridgeBio Oncology Therapeutics, Inc. (BBOT). White & Case advised the SPAC and Kirkland & Ellis advised the underwriters on the IPO.
- Status
- Merger completed
- IPO date
- Feb 13, 2024
- IPO size
- $160M
- IPO exchange
- Nasdaq
- Target
- TheRas, Inc. (d/b/a BridgeBio Oncology Therapeutics)
- Announced
- Mar 3, 2025
- Closed
- Aug 11, 2025
- Combined company
- BridgeBio Oncology Therapeutics, Inc. (BBOT)
- SPAC counsel (IPO)
- White & Case and Maples and Calder
- Underwriters' counsel (IPO)
- Kirkland & Ellis
More on this SPAC for subscribers
- Trust balance and value per share
- Redemptions at each extension and at the merger vote
- Shareholder vote date
- PIPE and other committed financing
- Merger proxy, registration statement and investor presentation
- Analyst notes from the filings
Every record in the database also has its full filing timeline, a daily-updated calendar, watchlist alerts and Excel export.
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Filings
- IPO prospectus (424B4) Feb 13, 2024
- Deal announcement (8-K) Mar 3, 2025
- All filings on EDGAR CIK 1869105
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