Sionna Therapeutics (SION) Stock Insights

SION price $4.08 +0.20 +5.30%

Ticker
SION
Price
$4.08
Change
+0.20 +5.30%
Market cap ?
$183.99M
Beta ?
1.32
Sector
Healthcare
Industry
Biotechnology

Fair value

SION fair value Not meaningful. Price $4.08.

Fair value is an estimate of what one share is worth if future cash flows arrive as modeled. It is not a forecast of the share price. How discounted cash flow works.

Not meaningful

Compare SION

Earnings

DateEPS actualEPS estimateRevenueRevenue estimate
2026-11-04—-0.64——
2026-08-06-0.66-0.65——
2026-05-12-0.60-0.52——
2026-03-02-0.46-0.54——
2025-11-05-0.46-0.52——
2025-08-11-0.41-0.68——
2025-05-12-0.62-0.45——
2025-03-20-3.38-1.28——
2025-01-17-0.92———

Dividends

Yield 0.00%. Payout ratio 0.00%. Frequency —.

Safety score 37/100 · Watch. Payout ratio is 0% of earnings. Free-cash-flow coverage is not available, so this part stays neutral. No dividend history was found. There is no dividend yield.

Ex-dateDividendRecordPaymentFrequency
No data yet.

Insider trades

DateInsiderActionSharesPriceValue
2026-09-17RA CAPITAL MANAGEMENT, L.P.Sell3.42M$6.3221.58M
2026-09-17RA CAPITAL MANAGEMENT, L.P.Sell33.80K$7.46252.15K
2026-09-17Ridloff ElenaBuy165.44K$7.181.19M
2026-09-17Ridloff ElenaBuy47.27K——
2026-09-17Ridloff ElenaBuy47.27K——
2026-09-17Ridloff ElenaSell165.44K$39.216.49M
2026-09-17McKee CharlotteBuy155.70K$7.181.12M
2026-09-17McKee CharlotteBuy50.00K——
2026-09-17McKee CharlotteBuy50.00K——
2026-09-17McKee CharlotteSell155.70K$39.216.10M
2026-09-17Fitzpatrick JenniferBuy103.14K$7.18740.55K
2026-09-17Fitzpatrick JenniferBuy28.13K——
2026-09-17Fitzpatrick JenniferBuy28.13K——
2026-09-17Fitzpatrick JenniferSell103.14K$39.214.04M
2026-09-17Cloonan MichaelBuy109.03K——
2026-09-17Cloonan MichaelBuy109.03K——
2026-09-17Cloonan MichaelBuy436.10K$7.183.13M
2026-09-17Cloonan MichaelSell436.10K$39.2117.10M
2026-07-07Thompson Peter A.Sell85.92K$44.863.85M
2026-07-07ORBIMED ADVISORS LLCSell85.92K$44.863.85M
2026-07-06Fitzpatrick JenniferSell10.25K$6.1162.63K
2026-07-06Fitzpatrick JenniferBuy10.25K$6.1162.63K
2026-07-06Fitzpatrick JenniferSell10.25K$43.60446.86K
2026-06-30Thompson Peter A.Sell115.84K$45.505.27M
2026-06-30ORBIMED ADVISORS LLCSell115.84K$45.505.27M
2026-06-17Stelzer LaurieBuy17.34K$36.73636.90K
2026-06-17Viney Joanne L.Buy17.34K$36.73636.90K
2026-06-17Thompson Peter A.Buy17.34K$36.73636.90K
2026-06-17RA CAPITAL MANAGEMENT, L.P.Buy17.34K$36.73636.90K
2026-06-17Ruddy Marcella K.Buy17.34K$36.73636.90K
2026-06-17Resnick JoshuaBuy17.34K$36.73636.90K
2026-06-17Fleming Harold EdwardBuy17.34K$36.73636.90K
2026-06-17Clancy Paul JBuy17.34K$36.73636.90K
2026-06-17Booth BruceBuy17.34K$36.73636.90K
2026-05-27Thompson Peter A.Sell101$44.494.49K
2026-05-27ORBIMED ADVISORS LLCSell101$44.494.49K
2026-05-11Thompson Peter A.Sell184.64K$46.228.53M
2026-05-11ORBIMED ADVISORS LLCSell184.64K$46.228.53M
2026-05-08Thompson Peter A.Sell59.77K$44.582.66M
2026-05-08ORBIMED ADVISORS LLCSell59.77K$44.582.66M
2026-05-07Thompson Peter A.Sell48.55K$44.612.17M
2026-05-07ORBIMED ADVISORS LLCSell48.55K$44.612.17M
2026-04-18Thompson Peter A.Sell2.95K$44.52131.24K
2026-04-18ORBIMED ADVISORS LLCSell2.95K$44.52131.24K
2026-04-17Thompson Peter A.Sell52.40K$44.682.34M
2026-04-17ORBIMED ADVISORS LLCSell52.40K$44.682.34M
2026-04-16Thompson Peter A.Sell226.91K$45.3410.29M
2026-04-16ORBIMED ADVISORS LLCSell226.91K$45.3410.29M
2026-04-15Thompson Peter A.Sell235.86K$44.6410.53M
2026-04-15ORBIMED ADVISORS LLCSell235.86K$44.6410.53M
2026-04-14Thompson Peter A.Sell47.81K$44.512.13M
2026-04-14ORBIMED ADVISORS LLCSell47.81K$44.512.13M
2026-03-05Fitzpatrick JenniferSell10.25K$6.1162.63K
2026-03-05Fitzpatrick JenniferBuy10.25K$6.1162.63K
2026-03-05Fitzpatrick JenniferSell10.25K$33.86347.02K
2026-02-03Thompson Peter A.Sell29.06K$44.581.30M
2026-02-03ORBIMED ADVISORS LLCSell29.06K$44.581.30M
2026-02-02Thompson Peter A.Sell1.89K$44.5784.24K
2026-02-02ORBIMED ADVISORS LLCSell1.89K$44.5784.24K
2026-01-22TPG GP A, LLCSell250.00K$40.0010.00M
2026-01-02McKee CharlotteBuy155.70K$39.216.10M
2026-01-02Fitzpatrick JenniferBuy103.14K$39.214.04M
2026-01-02Cloonan MichaelBuy436.10K$39.2117.10M
2026-01-02Beer Caroline StarkBuy139.34K$39.215.46M
2026-01-02Ridloff ElenaBuy165.44K$39.216.49M
2025-12-24ORBIMED ADVISORS LLCSell33.36K$44.551.49M
2025-12-24Thompson Peter A.Sell33.36K$44.551.49M
2025-12-19ORBIMED ADVISORS LLCSell875$44.4938.93K
2025-12-19Thompson Peter A.Sell875$44.4938.93K
2025-12-18ORBIMED ADVISORS LLCSell100$44.494.45K
2025-12-18Thompson Peter A.Sell100$44.494.45K
2025-12-17ORBIMED ADVISORS LLCSell900$44.5040.05K
2025-12-17Thompson Peter A.Sell900$44.5040.05K
2025-12-05Fitzpatrick JenniferSell10.25K$6.1162.63K
2025-12-05Fitzpatrick JenniferBuy10.25K$6.1162.63K
2025-12-05Fitzpatrick JenniferSell10.25K$40.52415.33K
2025-11-26ORBIMED ADVISORS LLCSell1.60K$44.4971.18K
2025-11-26Thompson Peter A.Sell1.60K$44.4971.18K
2025-11-25ORBIMED ADVISORS LLCSell11.89K$44.60530.29K
2025-11-25Thompson Peter A.Sell11.89K$44.60530.29K
2025-11-24ORBIMED ADVISORS LLCSell94.58K$44.544.21M
2025-11-24Thompson Peter A.Sell94.58K$44.544.21M
2025-11-21RA CAPITAL MANAGEMENT, L.P.Sell1.21K$39.5047.80K
2025-11-21RA CAPITAL MANAGEMENT, L.P.Sell6.44K$39.50254.38K
2025-11-21RA CAPITAL MANAGEMENT, L.P.Sell9.92K$39.50392.00K
2025-11-21RA CAPITAL MANAGEMENT, L.P.Sell7.61K$39.50300.56K
2025-11-20RA CAPITAL MANAGEMENT, L.P.Sell150$39.895.98K
2025-11-20RA CAPITAL MANAGEMENT, L.P.Sell96$40.503.89K
2025-11-20RA CAPITAL MANAGEMENT, L.P.Sell801$39.8931.95K
2025-11-20RA CAPITAL MANAGEMENT, L.P.Sell512$40.5020.74K
2025-11-20RA CAPITAL MANAGEMENT, L.P.Sell1.24K$39.8949.26K
2025-11-20RA CAPITAL MANAGEMENT, L.P.Sell788$40.5031.91K
2025-11-20RA CAPITAL MANAGEMENT, L.P.Sell947$39.8937.78K
2025-11-20RA CAPITAL MANAGEMENT, L.P.Sell604$40.5024.46K
2025-11-19RA CAPITAL MANAGEMENT, L.P.Sell2.28K$40.0191.06K
2025-11-19RA CAPITAL MANAGEMENT, L.P.Sell2$40.6181
2025-11-19RA CAPITAL MANAGEMENT, L.P.Sell12.13K$40.01485.16K
2025-11-19RA CAPITAL MANAGEMENT, L.P.Sell8$40.61325
2025-11-19RA CAPITAL MANAGEMENT, L.P.Sell18.68K$40.01747.55K
2025-11-19RA CAPITAL MANAGEMENT, L.P.Sell12$40.61487

Institutional holders

Latest filed quarter: Q2 2026.

Institutions holding: 157, holders +36 vs prior quarter. Ownership 106.79%.

HolderSharesChangeChange %Value
RA CAPITAL MANAGEMENT, L.P.9.91M00.00%435.72M
TPG GP A, LLC6.49M00.00%285.71M
VIKING GLOBAL INVESTORS LP3.20M00.00%140.56M
ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC3.00M00.00%131.78M
ORBIMED ADVISORS LLC2.56M-974.83K-27.61%112.43M
ENAVATE SCIENCES GP, LLC2.48M00.00%109.01M
ADAGE CAPITAL PARTNERS GP, L.L.C.1.60M1.45M+966.67%70.38M
BLACKROCK, INC.1.47M178.90K+13.81%64.88M
JPMORGAN CHASE & CO1.49M25.49K+1.74%64.09M
JENNISON ASSOCIATES LLC1.17M-279.09K-19.23%51.56M
CITADEL ADVISORS LLC1.15M-19.30K-1.65%50.48M
VANGUARD CAPITAL MANAGEMENT LLC1.13M102.50K+9.96%49.80M
STATE STREET CORP1.02M265.31K+35.08%44.94M
PERCEPTIVE ADVISORS LLC905.00K246.56K+37.45%39.81M
DEERFIELD MANAGEMENT COMPANY, L.P.680.92K-289.67K-29.85%29.95M
SIREN, L.L.C.610.51K310.51K+103.50%26.86M
PRICE T ROWE ASSOCIATES INC /MD/478.02K-278.36K-36.80%21.03M
EVENTIDE ASSET MANAGEMENT, LLC474.98K-170.55K-26.42%20.89M
GEODE CAPITAL MANAGEMENT, LLC457.14K67.27K+17.26%20.11M
BAKER BROS. ADVISORS LP400.00K00.00%17.60M
CASDIN CAPITAL, LLC400.00K400.00KNew17.60M
GOLDMAN SACHS GROUP INC388.81K125.64K+47.74%17.10M
DRIEHAUS CAPITAL MANAGEMENT LLC385.45K308.81K+402.98%16.96M
FRANKLIN TEMPLETON INC290.11K114.63K+65.32%12.76M
ABERDEEN GROUP PLC284.14K-280.04K-49.64%12.50M

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Sionna Therapeutics (SION) Stock Insights

SION$4.08+0.20 +5.30%

$183.99M

Market Cap

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P/E

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Forward P/E

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Score

Price History