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. | 05/15/2026 | 9.91 M | $397.09 M | 0.00% | 24.79% |
| TPG GP A, LLC | 05/15/2026 | 6.49 M | $260.38 M | -3.71% | 16.25% |
| ORBIMED ADVISORS LLC | 05/15/2026 | 3.53 M | $141.55 M | -0.87% | 8.84% |
| VIKING GLOBAL INVESTORS LP | 05/15/2026 | 3.20 M | $128.09 M | 0.00% | 8.00% |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 05/14/2026 | 3.00 M | $120.09 M | 0.00% | 7.50% |
| ENAVATE SCIENCES GP, LLC | 05/15/2026 | 2.48 M | $99.34 M | 0.00% | 6.20% |
| JPMORGAN CHASE & CO | 05/13/2026 | 1.47 M | $53.71 M | 18.93% | 3.67% |
| JENNISON ASSOCIATES LLC | 05/06/2026 | 1.45 M | $58.18 M | 30.12% | 3.63% |
| BLACKROCK, INC. | 05/13/2026 | 1.30 M | $51.95 M | 0.33% | 3.24% |
| CITADEL ADVISORS LLC | 05/15/2026 | 1.17 M | $46.78 M | 7.32% | 2.92% |
| 05/15/2026 | 1.03 M | $41.27 M | 100.00% | 2.58% | |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 05/15/2026 | 970.59 K | $38.91 M | 0.00% | 2.43% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 05/15/2026 | 756.38 K | $30.32 M | -9.02% | 1.89% |
| STATE STREET CORP | 05/15/2026 | 756.23 K | $30.32 M | 9.06% | 1.89% |
| PERCEPTIVE ADVISORS LLC | 05/29/2026 | 658.44 K | $26.40 M | -44.16% | 1.65% |
| EVENTIDE ASSET MANAGEMENT, LLC | 05/15/2026 | 645.53 K | $25.88 M | 1.01% | 1.62% |
| ABRDN PLC | 04/29/2026 | 564.18 K | $22.62 M | -32.83% | 1.41% |
| BAKER BROS. ADVISORS LP | 05/15/2026 | 400.00 K | $16.04 M | 0.00% | 1.00% |
| GEODE CAPITAL MANAGEMENT, LLC | 05/15/2026 | 389.87 K | $15.63 M | 2.59% | 0.98% |
| SIREN, L.L.C. | 05/14/2026 | 300.00 K | $12.03 M | 0.00% | 0.75% |
| SIO CAPITAL MANAGEMENT, LLC | 05/14/2026 | 294.34 K | $11.80 M | 100.00% | 0.74% |
| SOLEUS CAPITAL MANAGEMENT, L.P. | 05/14/2026 | 293.50 K | $11.77 M | 9.31% | 0.73% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 263.17 K | $10.55 M | 625.62% | 0.66% |
| ENSIGN PEAK ADVISORS, INC | 05/13/2026 | 255.64 K | $10.25 M | 220.10% | 0.64% |
| CANDRIAM S.C.A. | 04/30/2026 | 236.81 K | $9.49 M | 100.00% | 0.59% |
| 05/15/2026 | 197.07 K | $7.90 M | 0.00% | 0.49% | |
| FRANKLIN RESOURCES INC | 05/13/2026 | 175.48 K | $7.04 M | 0.00% | 0.44% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 05/15/2026 | 150.00 K | $6.01 M | 100.00% | 0.38% |
| UBS GROUP AG | 05/05/2026 | 147.64 K | $5.92 M | 65.56% | 0.37% |
| 05/08/2026 | 142.08 K | $5.70 M | 100.00% | 0.36% | |
| SUPERSTRING CAPITAL MANAGEMENT LP | 05/14/2026 | 141.02 K | $5.65 M | -21.91% | 0.35% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 140.64 K | $5.64 M | 74.61% | 0.35% |
| POINT72 ASSET MANAGEMENT, L.P. | 05/15/2026 | 136.55 K | $5.47 M | 100.00% | 0.34% |
| ALYESKA INVESTMENT GROUP, L.P. | 05/15/2026 | 136.22 K | $5.46 M | 0.00% | 0.34% |
| 05/15/2026 | 136.00 K | $5.45 M | 100.00% | 0.34% | |
| MORGAN STANLEY | 05/15/2026 | 133.02 K | $5.33 M | 166.71% | 0.33% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 120.25 K | $4.82 M | -2.78% | 0.30% |
| ARTIA GLOBAL PARTNERS LP | 05/15/2026 | 119.74 K | $4.80 M | 0.00% | 0.30% |
| NORTHERN TRUST CORP | 05/14/2026 | 116.78 K | $4.68 M | 4.16% | 0.29% |
| VANGUARD FIDUCIARY TRUST CO | 05/08/2026 | 112.18 K | $4.50 M | 100.00% | 0.28% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 05/15/2026 | 99.43 K | $3.99 M | 0.00% | 0.25% |
| RHENMAN & PARTNERS ASSET MANAGEMENT AB | 05/14/2026 | 87.50 K | $3.51 M | 100.00% | 0.22% |
| TD ASSET MANAGEMENT INC | 05/11/2026 | 83.00 K | $3.33 M | -26.78% | 0.21% |
| AMERIPRISE FINANCIAL INC | 05/15/2026 | 81.97 K | $3.29 M | -19.35% | 0.21% |
| FMR LLC | 05/15/2026 | 81.40 K | $3.26 M | 21,096.61% | 0.20% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 05/15/2026 | 76.63 K | $3.07 M | -8.61% | 0.19% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 05/15/2026 | 64.46 K | $2.58 M | -7.15% | 0.16% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 50.87 K | $2.04 M | 16.76% | 0.13% |
| INTEGRAL HEALTH ASSET MANAGEMENT, LLC | 05/15/2026 | 50.00 K | $2.00 M | 100.00% | 0.13% |
| SEVEN GRAND MANAGERS, LLC | 05/06/2026 | 50.00 K | $2.00 M | 0.00% | 0.13% |
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Sionna Therapeutics Inc. institutional Ownership - FAQ's
During the previous two years, 125 institutional investors and hedge funds held shares of Sionna Therapeutics Inc.. The most heavily invested institutionals were:
RA CAPITAL MANAGEMENT, L.P.: 9.91 M
TPG GP A, LLC: 6.49 M
ORBIMED ADVISORS LLC: 3.53 M
VIKING GLOBAL INVESTORS LP: 3.2 M
Atlas Venture Life Science Advisors, LLC: 3 M
Enavate Sciences GP, LLC: 2.48 M
113.63% of Sionna Therapeutics Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 45.03 M shares in the last 24 months. This purchase volume represents approximately $1.69 B in transactions.