Key facts
- It has raised $292.9M across 2 recorded rounds; the latest was Later Stage VC (Series C) ($181.9M) in Mar 2024.
- 1 institutional filer reports fund marks on Sionna Therapeutics across 1 filings.
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- ·Post-money valuations for all 2 rounds
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Funding rounds
2 roundsMar 2024Later Stage VC (Series C)$181.9M▮
Feb 2022Early Stage VC (Series B)$111.0M▮
About Sionna Therapeutics
- Industry
- Drug Discovery
PA Mark — not yet priced
Sionna Therapeutics doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
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Recorded secondary trades
No prints on record
No secondary trades in Sionna Therapeutics shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Pro members can request priority coverage with a 48-hour turnaround.
Institutional fund marks
1 filers · latest May 20261 SEC-registered fund reported 1 fair-value mark on Sionna Therapeutics between May 2026 and May 2026. Filer-level marks and implied $/share are available to Pro members.