Sionna Therapeutics, Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 05/15/2025 | 10.45 M | $109.26 M | 100.00% | 39.27% |
| TPG GP A, LLC | 05/15/2025 | 6.68 M | $69.92 M | 100.00% | 25.14% |
| ORBIMED ADVISORS LLC | 05/15/2025 | 3.70 M | $38.75 M | 100.00% | 13.93% |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 05/14/2025 | 3.69 M | $38.64 M | 100.00% | 13.89% |
| VIKING GLOBAL INVESTORS LP | 05/15/2025 | 2.95 M | $30.89 M | 100.00% | 11.10% |
| 05/15/2025 | 2.48 M | $25.92 M | 100.00% | 9.32% | |
| JPMORGAN CHASE & CO | 05/12/2025 | 2.17 M | $22.69 M | 100.00% | 8.16% |
| PERCEPTIVE ADVISORS LLC | 05/15/2025 | 1.25 M | $13.09 M | 100.00% | 4.70% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 05/14/2025 | 996.21 K | $10.42 M | 100.00% | 3.75% |
| JENNISON ASSOCIATES LLC | 05/05/2025 | 859.93 K | $8.99 M | 100.00% | 3.23% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 05/15/2025 | 747.00 K | $7.81 M | 100.00% | 2.81% |
| ABRDN PLC | 05/13/2025 | 745.96 K | $7.80 M | 100.00% | 2.80% |
| VANGUARD GROUP INC | 05/09/2025 | 546.17 K | $5.71 M | 100.00% | 2.05% |
| FRANKLIN RESOURCES INC | 05/13/2025 | 500.02 K | $5.23 M | 100.00% | 1.88% |
| BAKER BROS. ADVISORS LP | 05/15/2025 | 400.00 K | $4.18 M | 100.00% | 1.50% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 05/15/2025 | 328.89 K | $3.44 M | 100.00% | 1.24% |
| CITADEL ADVISORS LLC | 05/15/2025 | 326.50 K | $3.42 M | 100.00% | 1.23% |
| SIREN, L.L.C. | 05/23/2025 | 325.00 K | $3.40 M | 100.00% | 1.22% |
| SOLEUS CAPITAL MANAGEMENT, L.P. | 05/15/2025 | 240.00 K | $2.51 M | 100.00% | 0.90% |
| ZIMMER PARTNERS, LP | 05/15/2025 | 237.50 K | $2.48 M | 100.00% | 0.89% |
| AMERIPRISE FINANCIAL INC | 05/14/2025 | 209.27 K | $2.19 M | 100.00% | 0.79% |
| BLACKROCK, INC. | 05/02/2025 | 198.40 K | $2.08 M | 100.00% | 0.75% |
| ALYESKA INVESTMENT GROUP, L.P. | 05/15/2025 | 186.22 K | $1.95 M | 100.00% | 0.70% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2025 | 179.07 K | $1.87 M | 100.00% | 0.67% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/13/2025 | 135.56 K | $1.42 M | 100.00% | 0.51% |
| CENTERBOOK PARTNERS LP | 05/09/2025 | 114.28 K | $1.20 M | 100.00% | 0.43% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 05/14/2025 | 114.14 K | $1.19 M | 100.00% | 0.43% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 05/15/2025 | 99.43 K | $1.04 M | 100.00% | 0.37% |
| WOODLINE PARTNERS LP | 05/15/2025 | 80.00 K | $836.80 K | 100.00% | 0.30% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/09/2025 | 64.64 K | $676.18 K | 100.00% | 0.24% |
| GOLDMAN SACHS GROUP INC | 05/16/2025 | 63.74 K | $666.73 K | 100.00% | 0.24% |
| PRUDENTIAL FINANCIAL INC | 05/13/2025 | 63.00 K | $658.98 K | 100.00% | 0.24% |
| STEMPOINT CAPITAL LP | 05/15/2025 | 60.00 K | $627.60 K | 100.00% | 0.23% |
| TD ASSET MANAGEMENT INC | 05/07/2025 | 55.37 K | $579.13 K | 100.00% | 0.21% |
| HOLOCENE ADVISORS, LP | 05/15/2025 | 50.00 K | $523.00 K | 100.00% | 0.19% |
| SQUAREPOINT OPS LLC | 05/15/2025 | 33.96 K | $355.26 K | 100.00% | 0.13% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 05/15/2025 | 33.55 K | $350.92 K | 100.00% | 0.13% |
| NORTHERN TRUST CORP | 05/13/2025 | 26.82 K | $280.56 K | 100.00% | 0.10% |
| 05/15/2025 | 14.76 K | $203.20 K | 100.00% | 0.06% | |
| STATE STREET CORP | 05/15/2025 | 14.40 K | $150.62 K | 100.00% | 0.05% |
| BALYASNY ASSET MANAGEMENT L.P. | 05/15/2025 | 13.06 K | $136.61 K | 100.00% | 0.05% |
| MARSHALL WACE, LLP | 05/15/2025 | 12.19 K | $127.49 K | 100.00% | 0.05% |
| TWO SIGMA INVESTMENTS, LP | 05/15/2025 | 11.72 K | $122.54 K | 100.00% | 0.04% |
| UBS GROUP AG | 05/13/2025 | 11.15 K | $116.59 K | 100.00% | 0.04% |
| BANK OF AMERICA CORP /DE/ | 05/15/2025 | 8.74 K | $91.41 K | 100.00% | 0.03% |
| MORGAN STANLEY | 05/15/2025 | 3.94 K | $41.20 K | 100.00% | 0.01% |
| ROYAL BANK OF CANADA | 05/15/2025 | 618 | $6.00 K | 100.00% | 0.00% |
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Sionna Therapeutics, Inc. institutional Ownership - FAQ's
During the previous two years, 45 institutional investors and hedge funds held shares of Sionna Therapeutics, Inc.. The most heavily invested institutionals were:
RA CAPITAL MANAGEMENT, L.P.: 10.45 M
TPG GP A, LLC: 6.68 M
ORBIMED ADVISORS LLC: 3.7 M
Atlas Venture Life Science Advisors, LLC: 3.69 M
VIKING GLOBAL INVESTORS LP: 2.95 M
JPMORGAN CHASE & CO: 2.17 M
156.01% of Sionna Therapeutics, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 39.00 M shares in the last 24 months. This purchase volume represents approximately $549.89 M in transactions.