Sionna Therapeutics, Inc. - SION

Sector: Healthcare · Industry: Pharmaceutical Preparations
Website: No information yet · Social: No information yet

Company profile

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Q4 2025 · Q3 2025
Value (USD)
Total reported value ($000)
$1.808B
QoQ value delta ($000)
+$549M (+43.61%)
Implied price effect (QoQ)
+39.88%
Shares
Total shares
43,948,495
QoQ shares delta
+1,140,410 (+2.66%)
Total shares held by funds (by quarter)

Market chart (SION)

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Top holders (Q4 2025)

Top 25 only Full list
Early Q1 2026 data: only 4 institutional holders reported so far. More will appear as funds file with the SEC.
Manager Value ($000) Shares % of 13F
RA CAPITAL MANAGEMENT, L.P. 407,493 9,905,045 4.17%
TPG GP A, LLC 277,487 6,744,962 10.33%
ORBIMED ADVISORS LLC 146,526 3,561,655 2.99%
VIKING GLOBAL INVESTORS LP 131,449 3,195,181 0.35%
Atlas Venture Life Science Advisors, LLC 123,239 2,995,602 14.24%
Enavate Sciences GP, LLC 101,946 2,478,030 20.12%
BlackRock, Inc. 53,136 1,291,599 0.0%
JPMORGAN CHASE & CO 50,677 1,231,819 0.0%
VANGUARD GROUP INC 48,748 1,184,951 0.0%
PERCEPTIVE ADVISORS LLC 48,508 1,179,098 0.86%
JENNISON ASSOCIATES LLC 45,882 1,115,278 0.03%
CITADEL ADVISORS LLC 44,732 1,087,325 0.01%
DEERFIELD MANAGEMENT COMPANY, L.P. 39,930 970,590 0.51%
Aberdeen Group plc 34,555 839,960 0.05%
PRICE T ROWE ASSOCIATES INC /MD/ 34,203 831,373 0.0%
STATE STREET CORP 28,526 693,395 0.0%
EVENTIDE ASSET MANAGEMENT, LLC 26,290 639,045 0.41%
BAKER BROS. ADVISORS LP 16,456 400,000 0.1%
GEODE CAPITAL MANAGEMENT, LLC 15,638 380,042 0.0%
Siren, L.L.C. 12,342 300,000 0.37%
Soleus Capital Management, L.P. 11,046 268,500 0.41%
Kalehua Capital Management LLC 8,107 197,072 8.02%
SUPERSTRING CAPITAL MANAGEMENT LP 7,429 180,593 3.98%
FRANKLIN RESOURCES INC 7,219 175,483 0.0%
Alyeska Investment Group, L.P. 5,604 136,222 0.02%