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. | 02/17/2026 | 9.91 M | $407.49 M | -5.17% | 22.28% |
| TPG GP A, LLC | 02/13/2026 | 6.74 M | $277.49 M | 0.00% | 15.17% |
| ORBIMED ADVISORS LLC | 02/17/2026 | 3.56 M | $146.53 M | -3.87% | 8.01% |
| VIKING GLOBAL INVESTORS LP | 02/17/2026 | 3.20 M | $131.45 M | 0.00% | 7.19% |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 02/13/2026 | 3.00 M | $123.24 M | -17.15% | 6.74% |
| ENAVATE SCIENCES GP, LLC | 02/17/2026 | 2.48 M | $101.95 M | 0.00% | 5.57% |
| BLACKROCK, INC. | 02/12/2026 | 1.29 M | $53.14 M | 52.92% | 2.90% |
| JPMORGAN CHASE & CO | 02/11/2026 | 1.23 M | $50.68 M | -37.74% | 2.77% |
| VANGUARD GROUP INC | 01/29/2026 | 1.18 M | $48.75 M | 3.66% | 2.67% |
| PERCEPTIVE ADVISORS LLC | 02/17/2026 | 1.18 M | $48.51 M | 0.00% | 2.65% |
| JENNISON ASSOCIATES LLC | 01/30/2026 | 1.12 M | $45.88 M | 11.82% | 2.51% |
| CITADEL ADVISORS LLC | 02/17/2026 | 1.09 M | $44.73 M | 2,926.82% | 2.45% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 02/17/2026 | 970.59 K | $39.93 M | 0.00% | 2.18% |
| ABRDN PLC | 01/16/2026 | 839.96 K | $34.56 M | -11.63% | 1.89% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 02/17/2026 | 831.37 K | $34.20 M | 30.36% | 1.87% |
| STATE STREET CORP | 02/13/2026 | 693.40 K | $28.53 M | 188.68% | 1.56% |
| EVENTIDE ASSET MANAGEMENT, LLC | 02/13/2026 | 639.05 K | $26.29 M | 100.00% | 1.44% |
| BAKER BROS. ADVISORS LP | 02/17/2026 | 400.00 K | $16.46 M | 0.00% | 0.90% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 380.04 K | $15.64 M | 20.05% | 0.85% |
| SIREN, L.L.C. | 02/13/2026 | 300.00 K | $12.34 M | -7.69% | 0.67% |
| SOLEUS CAPITAL MANAGEMENT, L.P. | 02/12/2026 | 268.50 K | $11.05 M | -35.07% | 0.60% |
| 02/13/2026 | 197.07 K | $8.11 M | 100.00% | 0.44% | |
| SUPERSTRING CAPITAL MANAGEMENT LP | 02/17/2026 | 180.59 K | $7.43 M | 100.00% | 0.41% |
| FRANKLIN RESOURCES INC | 02/11/2026 | 175.48 K | $7.22 M | -27.53% | 0.39% |
| ALYESKA INVESTMENT GROUP, L.P. | 02/13/2026 | 136.22 K | $5.60 M | -26.85% | 0.31% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 123.69 K | $5.09 M | 10.93% | 0.28% |
| ARTIA GLOBAL PARTNERS LP | 02/17/2026 | 119.74 K | $4.93 M | 100.00% | 0.27% |
| TD ASSET MANAGEMENT INC | 02/10/2026 | 113.35 K | $4.66 M | 30.17% | 0.25% |
| NORTHERN TRUST CORP | 02/17/2026 | 112.12 K | $4.61 M | 14.74% | 0.25% |
| INVESCO LTD. | 02/19/2026 | 111.16 K | $4.57 M | 100.00% | 0.25% |
| AMERIPRISE FINANCIAL INC | 02/17/2026 | 101.64 K | $4.18 M | -33.63% | 0.23% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 02/17/2026 | 99.43 K | $4.09 M | 0.00% | 0.22% |
| UBS GROUP AG | 01/29/2026 | 89.18 K | $3.67 M | 91.10% | 0.20% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 02/17/2026 | 83.85 K | $3.45 M | 0.00% | 0.19% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 80.55 K | $3.31 M | -62.38% | 0.18% |
| ENSIGN PEAK ADVISORS, INC | 02/12/2026 | 79.86 K | $3.29 M | 100.00% | 0.18% |
| LONGAEVA PARTNERS L.P. | 02/17/2026 | 79.73 K | $3.28 M | 29.73% | 0.18% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 02/13/2026 | 69.42 K | $2.87 M | 116.41% | 0.16% |
| SEVEN GRAND MANAGERS, LLC | 02/10/2026 | 50.00 K | $2.06 M | 100.00% | 0.11% |
| MORGAN STANLEY | 02/13/2026 | 49.88 K | $2.05 M | 118.40% | 0.11% |
| BARCLAYS PLC | 02/13/2026 | 48.17 K | $1.98 M | 173.04% | 0.11% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 43.57 K | $1.79 M | 566.06% | 0.10% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 02/12/2026 | 41.46 K | $1.71 M | -61.89% | 0.09% |
| WELLINGTON MANAGEMENT GROUP LLP | 02/17/2026 | 38.35 K | $1.58 M | -9.20% | 0.09% |
| ALPS ADVISORS INC | 02/12/2026 | 36.65 K | $1.51 M | 100.00% | 0.08% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 36.27 K | $1.49 M | 197.82% | 0.08% |
| BANK OF NEW YORK MELLON CORP | 02/10/2026 | 35.13 K | $1.45 M | 27.93% | 0.08% |
| POLEN CAPITAL MANAGEMENT LLC | 02/12/2026 | 31.26 K | $1.29 M | 0.00% | 0.07% |
| RAFFERTY ASSET MANAGEMENT, LLC | 02/13/2026 | 24.69 K | $1.02 M | 100.00% | 0.06% |
| NUVEEN, LLC | 02/12/2026 | 23.73 K | $976.42 K | 47.97% | 0.05% |
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Sionna Therapeutics Inc. institutional Ownership - FAQ's
During the previous two years, 113 institutional investors and hedge funds held shares of Sionna Therapeutics Inc.. The most heavily invested institutionals were:
abrdn plc: 564,175
Candriam S.C.A.: 236,813
UBS Group AG: 147,641
Bank of New York Mellon Corp: 33,778
Nuveen, LLC: 23,734
PROFUND ADVISORS LLC: 9,939
98.84% of Sionna Therapeutics Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 43.79 M shares in the last 24 months. This purchase volume represents approximately $1.64 B in transactions.