Sionna Therapeutics, Inc. - SION

Sector: Healthcare · Industry: Pharmaceutical Preparations
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Company profile

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Quarter snapshot

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Q3 2026 · Q2 2026
Value (USD)
Total reported value ($000)
$2.123B
QoQ value delta ($000)
+$4.055M (+0.19%)
Implied price effect (QoQ)
-1.94%
Shares
Total shares
49,351,885
QoQ shares delta
+1,049,773 (+2.17%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

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Top holders (Q3 2026)

Top 25 only Full list
Partial Q3 2026 data: 16 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. 435,722 9,905,045 3.79%
TPG GP A, LLC 285,713 6,494,962 5.71%
VIKING GLOBAL INVESTORS LP 140,556 3,195,181 0.4%
Atlas Venture Life Science Advisors, LLC 131,776 2,995,602 14.95%
ORBIMED ADVISORS LLC 112,433 2,555,877 2.08%
Enavate Sciences GP, LLC 109,008 2,478,030 31.56%
ADAGE CAPITAL PARTNERS GP, L.L.C. 70,384 1,600,000 0.1%
BlackRock, Inc. 64,875 1,474,769 0.0%
JPMORGAN CHASE & CO 64,085 1,490,508 0.0%
JENNISON ASSOCIATES LLC 51,562 1,172,133 0.03%
CITADEL ADVISORS LLC 50,854 1,156,036 0.01%
VANGUARD CAPITAL MANAGEMENT LLC 49,796 1,132,001 0.0%
STATE STREET CORP 44,937 1,021,534 0.0%
PERCEPTIVE ADVISORS LLC 39,810 905,000 0.6%
DEERFIELD MANAGEMENT COMPANY, L.P. 29,953 680,916 0.31%
Siren, L.L.C. 26,856 610,515 0.54%
PRICE T ROWE ASSOCIATES INC /MD/ 21,029 478,016 0.0%
EVENTIDE ASSET MANAGEMENT, LLC 20,894 474,981 0.28%
GEODE CAPITAL MANAGEMENT, LLC 20,113 457,145 0.0%
BAKER BROS. ADVISORS LP 17,596 400,000 0.09%
Casdin Capital, LLC 17,596 400,000 0.88%
GOLDMAN SACHS GROUP INC 17,103 388,810 0.0%
DRIEHAUS CAPITAL MANAGEMENT LLC 16,955 385,447 0.1%
MILLENNIUM MANAGEMENT LLC 14,311 325,333 0.01%
FRANKLIN RESOURCES INC 12,762 290,113 0.0%