SION · Healthcare
SIONNA THERAPEUTICS INC
Smart-money confidence
· 1 of 3 sources firing
Bearish — money moving out
No standout activity across the feeds we track.
Hedge funds
22
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s. ·
how the score works
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Not financial advice. Bogen Capital surfaces public SEC filings — you decide what to do with them.
Market cap
$2.0B
Industry
Biotechnology
Sector
Healthcare
Exchange
NasdaqGM
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…
Who's behind the signal
Every informed buyer we can see on SION, across all three feeds.
Hedge funds · 4
Viking Global Investors
New position
D.E. Shaw & Co
New position
Citadel Advisors
Increased +2927%
Millennium Management (Englander)
Decreased −62%
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Not a model pick — but on our radar.
SIONNA THERAPEUTICS INC isn't in the top-10 model right now, but 4 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
4
Investors
2
New positions
1
Increasing
1
Decreasing
0
Unchanged
Price History
Loading price data...
Return:
High:
Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.5×
% of portfolio
0.3%
Position change
NEW
0.3% of Viking Global Investors's portfolio
Trust weight: 1.0×
% of portfolio
0.0%
Position change
NEW
0.0% of D.E. Shaw & Co's portfolio
Trust weight: 1.0×
% of portfolio
0.0%
Position change
+2927%
0.0% of Citadel Advisors's portfolio
Trust weight: 1.0×
% of portfolio
0.0%
Position change
−62%
0.0% of Millennium Management's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to SIONNA THERAPEUTICS INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell SIONNA THERAPEUTICS INC or any security.
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