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. | 11/14/2025 | 10.45 M | $307.20 M | 0.00% | 23.68% |
| TPG GP A, LLC | 11/14/2025 | 6.74 M | $198.37 M | 0.00% | 15.29% |
| ORBIMED ADVISORS LLC | 11/14/2025 | 3.70 M | $108.96 M | 0.00% | 8.40% |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 11/13/2025 | 3.62 M | $106.33 M | -2.12% | 8.20% |
| VIKING GLOBAL INVESTORS LP | 11/14/2025 | 3.20 M | $93.97 M | 0.00% | 7.24% |
| ENAVATE SCIENCES GP, LLC | 11/14/2025 | 2.48 M | $72.88 M | 0.00% | 5.62% |
| JPMORGAN CHASE & CO | 11/26/2025 | 1.98 M | $58.19 M | -10.92% | 4.49% |
| PERCEPTIVE ADVISORS LLC | 11/14/2025 | 1.18 M | $34.68 M | -3.04% | 2.67% |
| VANGUARD GROUP INC | 11/07/2025 | 1.14 M | $33.62 M | 81.35% | 2.59% |
| JENNISON ASSOCIATES LLC | 10/30/2025 | 997.38 K | $29.33 M | 32.49% | 2.26% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 11/14/2025 | 970.59 K | $28.55 M | 0.00% | 2.20% |
| ABRDN PLC | 11/07/2025 | 950.55 K | $27.96 M | 0.00% | 2.15% |
| BLACKROCK, INC. | 11/12/2025 | 844.61 K | $24.84 M | 32.57% | 1.91% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11/14/2025 | 637.76 K | $18.76 M | -25.95% | 1.45% |
| SOLEUS CAPITAL MANAGEMENT, L.P. | 11/14/2025 | 413.50 K | $12.16 M | 9.97% | 0.94% |
| BAKER BROS. ADVISORS LP | 11/14/2025 | 400.00 K | $11.76 M | 0.00% | 0.91% |
| SIREN, L.L.C. | 11/13/2025 | 325.00 K | $9.56 M | 0.00% | 0.74% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 316.56 K | $9.31 M | 9.43% | 0.72% |
| BRAIDWELL LP | 11/14/2025 | 314.01 K | $9.24 M | -70.97% | 0.71% |
| FRANKLIN RESOURCES INC | 11/13/2025 | 242.15 K | $7.12 M | -51.57% | 0.55% |
| STATE STREET CORP | 11/14/2025 | 240.20 K | $7.06 M | 92.90% | 0.54% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 214.09 K | $6.30 M | 1,425.47% | 0.49% |
| ALYESKA INVESTMENT GROUP, L.P. | 11/17/2025 | 186.22 K | $5.48 M | 0.00% | 0.42% |
| AMERIPRISE FINANCIAL INC | 11/14/2025 | 153.15 K | $4.50 M | -35.33% | 0.35% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11/10/2025 | 111.50 K | $3.28 M | 20.11% | 0.25% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 11/12/2025 | 108.80 K | $3.20 M | -41.51% | 0.25% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 11/14/2025 | 99.43 K | $2.92 M | 0.00% | 0.23% |
| NORTHERN TRUST CORP | 11/14/2025 | 97.71 K | $2.87 M | 6.33% | 0.22% |
| TD ASSET MANAGEMENT INC | 11/10/2025 | 87.08 K | $2.56 M | 74.28% | 0.20% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 11/14/2025 | 83.85 K | $2.47 M | 0.00% | 0.19% |
| LONGAEVA PARTNERS L.P. | 11/14/2025 | 61.46 K | $1.81 M | 100.00% | 0.14% |
| HOLOCENE ADVISORS, LP | 11/14/2025 | 50.00 K | $1.47 M | 0.00% | 0.11% |
| UBS GROUP AG | 11/13/2025 | 46.67 K | $1.37 M | -9.15% | 0.11% |
| WELLINGTON MANAGEMENT GROUP LLP | 11/14/2025 | 42.23 K | $1.24 M | 100.00% | 0.10% |
| CITADEL ADVISORS LLC | 11/14/2025 | 35.92 K | $1.06 M | -72.35% | 0.08% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 11/14/2025 | 32.08 K | $943.47 K | -15.66% | 0.07% |
| POLEN CAPITAL MANAGEMENT LLC | 11/12/2025 | 31.26 K | $919.30 K | 84.14% | 0.07% |
| MARSHALL WACE, LLP | 11/13/2025 | 30.10 K | $885.33 K | 100.00% | 0.07% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 27.46 K | $807.69 K | 13.81% | 0.06% |
| MORGAN STANLEY | 11/14/2025 | 22.84 K | $671.64 K | -48.12% | 0.05% |
| BARCLAYS PLC | 11/12/2025 | 17.64 K | $518.88 K | -23.36% | 0.04% |
| RHUMBLINE ADVISERS | 11/06/2025 | 17.24 K | $507.02 K | -2.43% | 0.04% |
| NUVEEN, LLC | 11/12/2025 | 16.04 K | $471.74 K | 0.00% | 0.04% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 14.60 K | $429.39 K | -43.85% | 0.03% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 12.18 K | $358.16 K | -73.55% | 0.03% |
| SQUAREPOINT OPS LLC | 11/14/2025 | 10.16 K | $298.86 K | 100.00% | 0.02% |
| DEUTSCHE BANK AG\ | 11/13/2025 | 9.60 K | $282.22 K | 0.00% | 0.02% |
| JAIN GLOBAL LLC | 11/14/2025 | 8.51 K | $250.37 K | 100.00% | 0.02% |
| METLIFE INVESTMENT MANAGEMENT, LLC | 11/13/2025 | 8.03 K | $236.25 K | 0.00% | 0.02% |
| WELLS FARGO & COMPANY/MN | 11/13/2025 | 7.58 K | $222.81 K | 18.86% | 0.02% |
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Sionna Therapeutics, Inc. institutional Ownership - FAQ's
During the previous two years, 84 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: 6.74 M
ORBIMED ADVISORS LLC: 3.7 M
Atlas Venture Life Science Advisors, LLC: 3.62 M
VIKING GLOBAL INVESTORS LP: 3.2 M
Enavate Sciences GP, LLC: 2.48 M
97.11% of Sionna Therapeutics, Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 42.84 M shares in the last 24 months. This purchase volume represents approximately $1.82 B in transactions.