Sionna Therapeutics, Inc. (SION)
SEC filings, insider trading & institutional ownership from EDGAR.
Institutions
32
$573.72M held
Latest filings
10-K, 10-Q, 8-K, Form 4 & 13D/G. Sourced directly from SEC EDGAR
No filings are available yet.
Top holders
13F & 13D/G · latest quarter
| Holder | Filed | Value |
|---|---|---|
| VIKING GLOBAL INVESTORS LP | Aug 14, 2026 | $140.56M |
| BlackRock, Inc. | Aug 7, 2026 | $64.88M |
| JPMORGAN CHASE & CO | Aug 12, 2026 | $64.09M |
| CITADEL ADVISORS LLC | Aug 14, 2026 | $50.85M |
| Vanguard Capital Management | Aug 13, 2026 | $49.80M |
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Data as of Aug 29, 2026Source: SEC EDGAR.