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Bitcoin Asset Manager Parataxis to Go Public in $400M SPAC Deal Backed by SilverBox

Reported by Coindesk
Aug 6, 2025· 2 min read
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Key Takeaways
  • • Digital asset manager Parataxis Holdings will go public via a SPAC merger with SilverBox Corp IV, valuing the combined company at $400 million at a $10 share price, according to CoinDesk citing a company press release.
  • • The new entity, Parataxis Holdings Inc., plans to trade on the NYSE under the ticker "PRTX"; the deal could double to $800 million if Parataxis exercises a right to raise an additional $400 million through a share purchase agreement.
  • • Approximately $31 million has already been raised and earmarked for bitcoin purchases, giving future shareholders immediate BTC exposure.
  • • Parataxis's first international move, a controlling stake in KOSDAQ-listed Bridge Biotherapeutics (to be renamed Parataxis Korea), has seen Bridge shares rise 350% since announcement.
  • • The transaction remains subject to SilverBox shareholder approval and SEC review.
Summary
Parataxis Holdings is officially going public through a SPAC transaction with SilverBox Corp IV, confirming earlier plans to list, the company announced in a press release on Wednesday. The combined entity, to be named Parataxis Holdings Inc., aims to trade under the ticker "PRTX" on the New York Stock Exchange. At a $10 share price, the deal values the company at $400 million, with the potential to double that figure if Parataxis exercises its right to raise an additional $400 million through a share purchase agreement. About $31 million has already been raised and earmarked for purchasing bitcoin.

Parataxis manages bitcoin using an active strategy that combines market exposure with yield-generating techniques, including low-volatility trading and treasury-style operations, rather than simply holding BTC. The platform is run by veterans of Parataxis Capital Management and serves institutional clients, including pension firms and family offices. According to the company, the public listing will allow it to expand its U.S. treasury operations and explore other "special situations" investments. If successful, Parataxis could become one of the few publicly listed companies offering direct, active bitcoin exposure outside of an ETF structure.

The firm's international expansion began in June, when it acquired a controlling stake in Bridge Biotherapeutics, a healthcare company listed on South Korea's KOSDAQ. The company will be renamed Parataxis Korea and serve as a regional base for its bitcoin treasury strategy. Bridge shares have jumped 350% since the announcement, which the company cites as evidence of strong investor demand for a bitcoin-proxy investment. Parataxis points to South Korea's large user base, political support for digital assets, and the absence of a spot Bitcoin ETF as factors making the market fertile for BTC-focused public firms. Comparable strategies have gained traction in Japan, where companies such as Metaplanet have seen share prices surge after pivoting to bitcoin.

The transaction is expected to close pending shareholder approval and a review by the Securities and Exchange Commission.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Coindesk Bitcoin Asset Manager Parataxis to Go Public in $400M SPAC Deal Backed by SilverBox