Sionna Therapeutics, Inc. - SION
Sector:
Healthcare
· Industry:
Pharmaceutical Preparations
Website:
No information yet
· Social:
No information yet
Company profile
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Quarter snapshot
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Q1 2026
· Q4 2025
Value (USD)
Total reported value ($000)
$1.864B
QoQ value delta ($000)
+$56.15M
(+3.11%)
Implied price effect (QoQ)
-2.75%
Shares
Total shares
46,596,763
QoQ shares delta
+2,645,868
(+6.02%)
Total shares held by funds (by quarter)
Market chart (SION)
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Top holders (Q1 2026)
Top 25 only
Full list
Partial Q1 2026 data: 122 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
| Manager | Value ($000) | Shares | % of 13F |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 397,093 | 9,905,045 | 4.21% |
| TPG GP A, LLC | 260,383 | 6,494,962 | 7.08% |
| ORBIMED ADVISORS LLC | 141,545 | 3,530,702 | 2.81% |
| VIKING GLOBAL INVESTORS LP | 128,094 | 3,195,181 | 0.36% |
| Atlas Venture Life Science Advisors, LLC | 120,093 | 2,995,602 | 15.2% |
| Enavate Sciences GP, LLC | 99,344 | 2,478,030 | 28.26% |
| JENNISON ASSOCIATES LLC | 58,179 | 1,451,220 | 0.04% |
| JPMORGAN CHASE & CO | 53,707 | 1,465,014 | 0.0% |
| BlackRock, Inc. | 51,951 | 1,295,867 | 0.0% |
| VANGUARD GROUP INC | 48,748 | 1,184,951 | 0.0% |
| CITADEL ADVISORS LLC | 46,782 | 1,166,931 | 0.01% |
| VANGUARD CAPITAL MANAGEMENT LLC | 41,272 | 1,029,497 | 0.0% |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 38,910 | 970,590 | 0.46% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 30,324 | 756,376 | 0.0% |
| STATE STREET CORP | 30,317 | 756,227 | 0.0% |
| PERCEPTIVE ADVISORS LLC | 26,396 | 658,439 | 0.52% |
| EVENTIDE ASSET MANAGEMENT, LLC | 25,875 | 645,530 | 0.43% |
| Aberdeen Group plc | 22,617 | 564,175 | 0.04% |
| BAKER BROS. ADVISORS LP | 16,036 | 400,000 | 0.09% |
| GEODE CAPITAL MANAGEMENT, LLC | 15,633 | 389,872 | 0.0% |
| Siren, L.L.C. | 12,027 | 300,000 | 0.33% |
| Sio Capital Management, LLC | 11,800 | 294,340 | 1.69% |
| Soleus Capital Management, L.P. | 11,766 | 293,500 | 0.48% |
| GOLDMAN SACHS GROUP INC | 10,550 | 263,174 | 0.0% |
| Ensign Peak Advisors, Inc | 10,248 | 255,636 | 0.02% |