$39.57
+0.36 (+0.92%)
Market Cap
$1.9B
Shares Outstanding
44,998,073
Institutional Holders
47
Total Inst. Value
$520.3M
% of Float Held
246.2%
QoQ Holder Change
—
Institutional data as of Q1 2025
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | DEERFIELD MANAGEMENT COMPANY, L.P. | $218.8M | 20,916,000 |
| 2 | TPG GP A, LLC | $69.9M | 6,684,962 |
| 3 | ORBIMED ADVISORS LLC | $38.8M | 3,704,959 |
| 4 | Atlas Venture Life Science Advisors, LLC | $38.6M | 3,694,020 |
| 5 | VIKING GLOBAL INVESTORS LP | $30.9M | 2,952,754 |
| 6 | Enavate Sciences GP, LLC | $25.9M | 2,478,030 |
| 7 | JPMORGAN CHASE & CO | $22.7M | 2,169,599 |
| 8 | PERCEPTIVE ADVISORS LLC | $13.1M | 1,251,101 |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | $10.4M | 996,212 |
| 10 | JENNISON ASSOCIATES LLC | $9.0M | 859,927 |
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Frequently Asked Questions
How many institutional investors hold SION?
As of Q1 2025, 47 institutional investors report holding SION (Sionna Therapeutics, Inc.) in their 13F filings.
What percentage of Sionna Therapeutics, Inc. is owned by institutions?
Institutional investors hold approximately 246.2% of Sionna Therapeutics, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most SION?
The largest institutional holder of SION is DEERFIELD MANAGEMENT COMPANY, L.P. with $218.8M in shares.
Are institutions buying or selling SION?
This quarter, 47 institutions opened new positions in SION and 0 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.