Sionna Therapeutics, Inc. - SION

Sector: Healthcare · Industry: Pharmaceutical Preparations

Website: No information yet · Social: No information yet

Company profile

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Q2 2026 · Q1 2026

Value (USD)

Total reported value ($000)

$2.119B

QoQ value delta ($000)

+$303.8M (+16.73%)

Implied price effect (QoQ)

+9.74%

Total shares

48,302,179

QoQ shares delta

+2,894,867 (+6.38%)

Total shares held by funds (by quarter)

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Top 25 only Full list

Partial Q2 2026 data: 150 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%