Sionna Therapeutics Inc.
SION | NASDAQ
$5.96
-$0.04 (-0.67%)
Sep 22, 2026, 11:20 AM ET · Market open
Institutional Ownership
Net InflowTotal Institutions
121
Total Ownership
101.08%
Capital Flow
+$7.22M
Shares Change
+1.46M
Ownership Distribution
Institutions (99.99%)
Others (0.01%)
Institutional Sentiment
Overall: bullishEquity Sentiment & Activity
bullishNew Positions
31
Increased Positions
71
Reduced Positions
30
Closed Positions
11
New (31)
Increased (71)
Reduced (30)
Closed (11)
Super Investors
| Super Investor / Fund | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Viking Global Investors LP | 7.11% 0.00% | 0.05% | 3.2M | 20.9M | |
| Point72 Asset Management LP | 0.30% 0.00% | < 0.01% | 136.55K | 893.03K |
Top Shareholders
| Institution | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Ra Capital Management, L.p. | 22.05% -11.04% | 4.21% +0.78% | 9.91M 0.00% | 397.09M -2.55% | |
| Tpg Gp A, LLC | 14.46% -14.34% | 7.08% -31.47% | 6.49M -3.71% | 260.38M -6.16% | |
| Orbimed Advisors LLC | 7.86% -11.81% | 2.82% -6.17% | 3.53M -0.87% | 141.55M -3.40% |
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