RA Capital's passive 9% stake in a pre-deal SPAC signals conviction in the sponsor's ability to find a life sciences target. Monitor for any conversion to Schedule 13D (activist intent) or for a business combination announcement, which could trigger a revaluation.
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Executive Summary
RA Capital Management, L.P. and affiliated entities disclosed a 9.0% passive stake in Frazier Life Sciences Acquisition Corp. II, a blank-check company, via a Schedule 13G filed October 22, 2026. The stake of 700,000 Class A ordinary shares was acquired on October 15, 2026, shortly after the SPAC's IPO, signaling a notable healthcare-focused investor's interest in the pre-business-combination entity.
Key Financial Metrics
Key Facts
- RA Capital Management, L.P. and affiliates filed a Schedule 13G disclosing beneficial ownership of 700,000 Class A ordinary shares of Frazier Life Sciences Acquisition Corp. II.
- The stake represents 9.0% of the 7,800,000 Class A ordinary shares outstanding as of October 15, 2026.
- The securities are held directly by RA Capital Healthcare Fund, L.P., with RA Capital Management serving as investment adviser.
- The filing certifies the shares were not acquired with the purpose of changing or influencing control of the issuer (passive intent).
- The SPAC's final prospectus was filed with the SEC on October 14, 2026, indicating the IPO closed shortly before this stake was acquired.
Financial Impact
9.0% stake valued at approximately $7.0 million based on 700,000 shares at $10.00 per share (SPAC IPO unit price).
Risk Factors
- Passive 13G filing — no intent to influence management; stake may be sold without notice.
- SPACs carry inherent risk of failing to complete a business combination within the allotted timeframe.
- RA Capital could convert to 13D if it later seeks to influence the merger process.
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G Filing (Primary) | 0001346824-26-000245 |
| Document: 0001346824-26-000245-index-headers.html | 0001346824-26-000245 |
| Document: 0001346824-26-000245-index.html | 0001346824-26-000245 |
| Document: 0001346824-26-000245.txt | 0001346824-26-000245 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 22, 2026 4d ago | 8-K | $10.30 | awaiting T+5 | — | $10.28 (−0.21%) |
Oct 22, 2026 4d ago | SC 13G | $10.30 | awaiting T+5 | — | $10.28 (−0.21%) |
Oct 21, 2026 5d ago | SC 13D | $10.27 | awaiting T+5 | — | $10.28 (+0.08%) |
Oct 21, 2026 5d ago | SC 13G | $10.27 | awaiting T+5 | — | $10.28 (+0.08%) |
Oct 21, 2026 5d ago | SC 13G | $10.27 | awaiting T+5 | — | $10.28 (+0.08%) |
Oct 16, 2026 11d ago | SC 13G | $10.35 $10.30 | ▼ −0.48% | ▼ −0.05% | $10.28 (−0.69%) |
Oct 15, 2026 11d ago | Insider Buy | $10.35 $10.30 | ▼ −0.48% | ▼ −0.05% | $10.28 (−0.69%) |
Oct 15, 2026 11d ago | 8-K | $10.35 $10.30 | ▼ −0.48% | ▼ −0.05% | $10.28 (−0.69%) |
Oct 14, 2026 12d ago | 424B4 | $10.49 $10.27 | ▼ −2.10% | ▼ −1.08% | $10.28 (−2.02%) |
Oct 14, 2026 13d ago | EFFECT | $10.29 $10.30 | ▲ +0.10% | ▼ −0.36% | $10.28 (−0.12%) |
US Market Status
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