SION
Sionna Therapeutics, Inc.
NasdaqGM Healthcare United States
4,85 $US
-1.22% today
-87.63% YTD · -83.42% 1Y
8
Insider transactions
SEC Form 4 · AMF · BaFin — rolling 90 days
16
Hedge funds tracked
Latest available SEC 13F filings
46
/ 100
MIXED

Analysis Sionna Therapeutics, Inc. (SION) — Kairos Score 46/100

Composite score aggregating 8 smart money dimensions: insiders (SEC/AMF/BaFin), hedge funds, politicians & gurus, price momentum, valuation, analyst consensus, financial health, earnings momentum. The higher the score, the more favorable the institutional signals consensus.

💡 Detailed breakdown (the 8 sub-scores) available in the Premium dashboard.

About Sionna Therapeutics, Inc.

Sionna Therapeutics, Inc., a clinical-stage biopharmaceutical company, researches and develops medicines for the treatment of cystic fibrosis (CF). It develops galicaftor (SION-2222), a transmembrane domain 1 (TMD1)-directed cystic fibrosis transmembrane conductance regulator (CFTR) that has completed Phase 2 trial; navocaftor (SION-3067), a potentiator that has completed Phase 2 trial; SION-109, an intracellular loop 4 directed CFTR corrector that has completed Phase 1 trial; SION-2851, a TMD1-directed CFTR corrector that has completed Phase 1 trial; SION-451, which is nucleotide-binding domain 1 stabilizer in Phase 1 trial; and SION-719, which is nucleotide-binding domain 1 stabilizer in Phase 2a proof-of-concept trial. The company was formerly known as Sling Therapeutics, Inc. and changed its name to Sionna Therapeutics, Inc. in July 2021. Sionna Therapeutics, Inc. was incorporated in 2019 and is headquartered in Waltham, Massachusetts.

Key info

👔
CEO
Mr. Michael Cloonan M.B.A.
📍
HQ
21 Hickory Drive, Suite 500, Waltham, MA, 02451, United States
👥
Employees
59
💰
Market cap
221 992 870,00 $US
💸
Dividend yield
—

🕴️ Insider activity (90 days)

8 transactions — 0 buys and 2 sales reported by Sionna Therapeutics, Inc. executives.

RC
RA CAPITAL MANAGEMENT, L.P.
2026-09-17
Sell
RC
RA CAPITAL MANAGEMENT, L.P.
2026-09-17
Sell
FJ
Fitzpatrick Jennifer
CLO and Head of Program Mgmt. · 2026-09-17
Other

🏦 Hedge Funds

16 institutional funds report a position on SION in their latest SEC quarterly filing.

RA CAPITAL MANAGEMENT, L.P.
VIKING GLOBAL INVESTORS LP
ADAGE CAPITAL PARTNERS GP, L.L.C.
BlackRock, Inc.
JPMORGAN CHASE & CO

📰 Recent news

15 recent articles on SION.

🧠 What makes Kairos Insider

Beyond raw data, we aggregate and score every smart money signal to give you a unique view.

🧠

Kairos Score 0-100

8-dimension composite score: insiders · hedge funds · politicians · momentum · valuation · health · analysts · earnings.

🎯

Insider Clusters

Detection of clustered purchases or sales by several executives in the same stock.

🏦

13F Hedge Funds

Berkshire, Pershing Square, Tiger Global, Bridgewater and other reporting funds.

📈

ETF Rotations

NANC & GOP (Pelosi & Republicans), GURU (top hedge funds), ARK (Cathie Wood). See who enters and exits each week.

🔥

Google Trends

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📧

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Companies in the same sector as Sionna Therapeutics, Inc.

Official sources · Public data · SEC EDGAR — Form 4 & 13F · AMF — Executive filings · BaFin — Directors' Dealings · Yahoo Finance · Alpha Vantage

🔓 Unlock the full analysis

This public page only shows a preview. The full analysis of SION on the Kairos Insider dashboard includes:

✅ Full Kairos Score (8-axis radar + synthesis)
✅ History of all 8 insider transactions over 90 days
✅ All 16 detected institutional funds
✅ Thematic ETFs (ARK, BUZZ, NANC, GOP, JEPI…)
✅ Hot Stocks Google Trends
✅ Available history: AUM + rotations
✅ Fundamentals (P/E, PEG, EV/EBITDA, ROE…)
✅ Financial health (Altman Z, Piotroski F)
✅ Sector peers + recent earnings
See full analysis →
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