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SION NASDAQ

Sionna Therapeutics, Inc.
1W: -2.4% 1M: -3.4% 3M: +17.6% YTD: +6.5% 1Y: +198.0%
$41.13
-0.62 (-1.49%)
 
Weekly Expected Move ±10.8%
$32 $36 $40 $45 $49
NASDAQ · Healthcare · Biotechnology · Alpha Radar Buy · Power 48 · $1.9B mcap · 26M float · 1.42% daily turnover · Short 73% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
130
Institutions Holding
+22 vs prior
88.2%
Ownership
-7.28%
29 New
35 Increased
49 Reduced
22 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-11 OrbiMed Capital GP VIII LLC director S-Sale 184,639 $46.22 $8.5M Filing
2026-05-11 ORBIMED ADVISORS LLC director S-Sale 184,639 $46.22 $8.5M Filing
2026-05-11 Thompson Peter A. director S-Sale 184,639 $46.22 $8.5M Filing
2026-05-08 OrbiMed Capital GP VIII LLC director S-Sale 59,767 $44.58 $2.7M Filing
2026-05-08 ORBIMED ADVISORS LLC director S-Sale 59,767 $44.58 $2.7M Filing
2026-05-08 Thompson Peter A. director S-Sale 59,767 $44.58 $2.7M Filing
2026-05-07 OrbiMed Capital GP VIII LLC director S-Sale 48,546 $44.61 $2.2M Filing
2026-05-07 ORBIMED ADVISORS LLC director S-Sale 48,546 $44.61 $2.2M Filing
2026-05-07 Thompson Peter A. director S-Sale 48,546 $44.61 $2.2M Filing
2026-04-18 OrbiMed Capital GP VIII LLC director S-Sale 2,948 $44.52 $131K Filing
2026-04-18 ORBIMED ADVISORS LLC director S-Sale 2,948 $44.52 $131K Filing
2026-04-18 Thompson Peter A. director S-Sale 2,948 $44.52 $131K Filing
2026-04-17 ORBIMED ADVISORS LLC director S-Sale 52,397 $44.68 $2.3M Filing
2026-04-17 OrbiMed Capital GP VIII LLC director S-Sale 52,397 $44.68 $2.3M Filing
2026-04-17 Thompson Peter A. director S-Sale 52,397 $44.68 $2.3M Filing
2026-04-16 OrbiMed Capital GP VIII LLC director S-Sale 226,906 $45.34 $10.3M Filing
2026-04-16 ORBIMED ADVISORS LLC director S-Sale 226,906 $45.34 $10.3M Filing
2026-04-16 Thompson Peter A. director S-Sale 226,906 $45.34 $10.3M Filing
2026-04-15 Thompson Peter A. director S-Sale 235,863 $44.64 $10.5M Filing
2026-04-15 OrbiMed Capital GP VIII LLC director S-Sale 235,863 $44.64 $10.5M Filing
2026-04-15 ORBIMED ADVISORS LLC director S-Sale 235,863 $44.64 $10.5M Filing
2026-04-14 OrbiMed Capital GP VIII LLC director S-Sale 47,814 $44.51 $2.1M Filing
2026-04-14 ORBIMED ADVISORS LLC director S-Sale 47,814 $44.51 $2.1M Filing
2026-04-14 Thompson Peter A. director S-Sale 47,814 $44.51 $2.1M Filing
2026-03-05 Fitzpatrick Jennifer officer: chief legal officer S-Sale 10,250 $33.86 $347K Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
RA CAPITAL MANAGEMENT, L.P. 9,905,045 $397M 2026-03-31 Filing
TPG GP A, LLC 6,494,962 $260M -250,000 2026-03-31 Filing
ORBIMED ADVISORS LLC 3,530,702 $142M -30,953 2026-03-31 Filing
VIKING GLOBAL INVESTORS LP 3,195,181 $128M 2026-03-31 Filing
Atlas Venture Life Science Advisors, LLC 2,995,602 $120M 2026-03-31 Filing
ENAVATE SCIENCES GP, LLC 2,478,030 $99M 2026-03-31 Filing
JENNISON ASSOCIATES LLC 1,451,220 $58M +335,942 2026-03-31 Filing
JPMORGAN CHASE & CO 1,465,014 $54M +233,195 2026-03-31 Filing
BlackRock, Inc. 1,295,867 $52M +4,268 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 1,029,497 $41M +1,029,497 2026-03-31 Filing
STATE STREET CORP 756,227 $30M +62,832 2026-03-31 Filing
EVENTIDE ASSET MANAGEMENT, LLC 645,530 $26M +6,485 2026-03-31 Filing
Aberdeen Group plc 564,175 $23M -275,785 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 389,872 $16M +9,830 2026-03-31 Filing
Siren, L.L.C. 300,000 $12M 2026-03-31 Filing
Sio Capital Management, LLC 294,340 $12M +294,340 2026-03-31 Filing
Soleus Capital Management, L.P. 293,500 $12M +25,000 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 263,174 $11M +226,905 2026-03-31 Filing
Ensign Peak Advisors, Inc 255,636 $10M +175,774 2026-03-31 Filing
Candriam S.C.A. 236,813 $9M +236,813 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms