Who owns SIONNA THERAPEUTICS INC?
- Ticker: SION
- CUSIP Number: 829401108
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Analyze quarterly positions in Sionna Therapeutics with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Sionna Therapeutics stock
Who bought or sold SIONNA THERAPEUTICS INC this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| RA Capital Management | 9.9M | $397M | 0% | Mar 2026 |
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| Tpg Gp A | 6.5M | $260M | -4% | Mar 2026 |
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| OrbiMed Advisors | 3.5M | $142M | -1% | Mar 2026 |
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| Viking Global Investors | 3.2M | $128M | 0% | Mar 2026 |
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| Atlas Venture Life Science Advisors | 3.0M | $123M | -17% | Dec 2025 |
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| Enavate Sciences GP | 2.5M | $99M | 0% | Mar 2026 |
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| Jennison Associates | 1.5M | $58M | 30% | Mar 2026 |
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| BlackRock | 1.3M | $52M | 0% | Mar 2026 |
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| Vanguard Group | 1.2M | $49M | 4% | Dec 2025 |
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| Citadel Advisors | 1.2M | $47M | 7% | Mar 2026 |
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| Vanguard Capital Management | 1.0M | $41M | 100% | Mar 2026 |
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| Deerfield Management Company | 971k | $39M | 0% | Mar 2026 |
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| State Street Corporation | 693k | $29M | 189% | Dec 2025 |
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| Perceptive Advisors | 658k | $26M | -44% | Mar 2026 |
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| Eventide Asset Management | 639k | $26M | 100% | Dec 2025 |
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| Standard Life Aberdeen | 564k | $23M | -33% | Mar 2026 |
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| Baker Bros. Advisors | 400k | $16M | 0% | Mar 2026 |
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| Geode Capital Management | 390k | $16M | 3% | Mar 2026 |
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| Siren | 300k | $12M | -8% | Dec 2025 |
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| Soleus Capital Management | 294k | $12M | 9% | Mar 2026 |
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| Goldman Sachs Group | 263k | $11M | 626% | Mar 2026 |
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| Ensign Peak Advisors | 256k | $10M | 220% | Mar 2026 |
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| Candriam Luxembourg S.C.A. | 237k | $9.5M | 100% | Mar 2026 |
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| Kalehua Capital Management | 197k | $7.9M | 100% | Mar 2026 |
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| Superstring Capital Management | 181k | $7.4M | 100% | Dec 2025 |
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| Franklin Resources | 176k | $7.0M | 0% | Mar 2026 |
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| UBS Group | 148k | $5.9M | 66% | Mar 2026 |
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| Vanguard Portfolio Management | 142k | $5.7M | 100% | Mar 2026 |
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| Millennium Management | 141k | $5.6M | 75% | Mar 2026 |
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| Point72 Asset Management | 137k | $5.5M | 100% | Mar 2026 |
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| Alyeska Investment Group | 136k | $5.5M | 0% | Mar 2026 |
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| Morgan Stanley | 133k | $5.3M | 100% | Mar 2026 |
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| Charles Schwab Investment Management | 124k | $5.1M | 11% | Dec 2025 |
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| Artia Global Partners | 120k | $4.8M | 0% | Mar 2026 |
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| Vanguard Fiduciary Trust | 112k | $4.5M | 100% | Mar 2026 |
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| Northern Trust | 112k | $4.6M | 15% | Dec 2025 |
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| Rock Springs Capital Management | 99k | $4.0M | 0% | Mar 2026 |
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| Rhenman & Partners Asset Management AB | 88k | $3.5M | 100% | Mar 2026 |
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| Driehaus Capital Management | 84k | $3.4M | 0% | Dec 2025 |
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| TD Asset Management | 83k | $3.3M | -27% | Mar 2026 |
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| Ameriprise Financial | 82k | $3.3M | -19% | Mar 2026 |
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| Manufacturers Life Insurance Company | 65k | $2.6M | -7% | Mar 2026 |
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| Bank of America Corporation | 51k | $2.0M | 100% | Mar 2026 |
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| Seven Grand Managers | 50k | $2.0M | 0% | Mar 2026 |
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| Russell Investments | 48k | $1.9M | 121% | Mar 2026 |
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| Barclays | 48k | $2.0M | 173% | Dec 2025 |
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| Silverarc Capital Management | 42k | $1.7M | -62% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 41k | $1.6M | 1692% | Mar 2026 |
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| Wellington Management Company | 38k | $1.6M | -9% | Dec 2025 |
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| ALPS Advisors | 37k | $1.5M | 0% | Mar 2026 |
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| Stempoint Capital | 37k | $1.5M | 100% | Mar 2026 |
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| Bank of New York Mellon | 34k | $1.4M | -4% | Mar 2026 |
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| Polen Capital Management | 27k | $1.1M | -14% | Mar 2026 |
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| Rafferty Asset Management | 25k | $1.0M | 100% | Dec 2025 |
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| Nuveen | 24k | $952k | 0% | Mar 2026 |
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| Rhumbline Advisers | 18k | $734k | 3% | Mar 2026 |
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| Citigroup | 18k | $724k | 100% | Mar 2026 |
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| Alliancebernstein | 16k | $675k | 5% | Mar 2026 |
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| Squarepoint Ops | 15k | $610k | -7% | Mar 2026 |
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| Walleye Trading Advisors | 15k | $605k | 100% | Mar 2026 |
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| Deutsche Bank Aktiengesellschaft | 13k | $531k | 32% | Mar 2026 |
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| Longaeva Partners | 13k | $509k | 100% | Mar 2026 |
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| Kennedy Capital Management | 12k | $493k | 82% | Mar 2026 |
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| Vanguard Global Advisers | 11k | $449k | 100% | Mar 2026 |
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| Invesco | 11k | $433k | -90% | Mar 2026 |
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| ProFund Advisors | 9.9k | $399k | 8% | Mar 2026 |
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| Mirae Asset Global Etfs Holdings | 9.2k | $368k | 3% | Mar 2026 |
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| MetLife Investment Advisors | 8.6k | $352k | 7% | Dec 2025 |
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| China Universal Asset Management | 7.9k | $318k | -23% | Mar 2026 |
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| Varcov | 6.6k | $263k | 100% | Mar 2026 |
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| Virtus Investment Advisers | 6.2k | $256k | -7% | Dec 2025 |
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| Hudson Bay Capital Management | 6.2k | $248k | 100% | Mar 2026 |
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| American Century Companies | 6.2k | $254k | 100% | Dec 2025 |
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| Wells Fargo & Company | 5.9k | $236k | -66% | Mar 2026 |
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| Two Sigma Investments | 5.5k | $221k | -14% | Mar 2026 |
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| Intech Investment Management | 5.5k | $220k | -28% | Mar 2026 |
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| New York State Common Retirement Fund | 5.3k | $213k | 0% | Mar 2026 |
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| XTX Topco | 4.9k | $203k | 100% | Dec 2025 |
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| AlphaCentric Advisors | 4.8k | $193k | 77% | Mar 2026 |
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| Atlantic Trust | 4.5k | $185k | 100% | Dec 2025 |
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| Police & Firemen's Retirement System of New Jersey | 4.2k | $170k | 0% | Mar 2026 |
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| Thomas Stevens, CFA" | 4.1k | $165k | -21% | Mar 2026 |
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| Cygnus Capital Advisors | 3.8k | $152k | 58% | Mar 2026 |
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| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | 2.9k | $116k | 100% | Mar 2026 |
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| Mirae Asset Global Investments | 2.3k | $93k | 7% | Mar 2026 |
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| Legal & General Group | 1.4k | $57k | -15% | Mar 2026 |
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| Summit Investment Advisors | 1.3k | $52k | 0% | Mar 2026 |
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| Tower Research Capital | 1.1k | $46k | -75% | Dec 2025 |
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| Gf Fund Management | 1.0k | $40k | 14% | Mar 2026 |
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| California State Teachers Retirement System | 868.00 | $35k | -12% | Mar 2026 |
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| FMR | 384.00 | $16k | 64% | Dec 2025 |
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| Zurcher Kantonalbank | 371.00 | $15k | 100% | Mar 2026 |
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| Steward Partners Investment Advisory | 254.00 | $10k | 100% | Mar 2026 |
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| Rockefeller Capital Management | 241.00 | $9.7k | 402% | Mar 2026 |
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| GAMMA Investing | 238.00 | $9.5k | 34% | Mar 2026 |
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| Farther Finance Advisors | 196.00 | $8.1k | 3% | Mar 2026 |
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| Quantbot Technologies | 178.00 | $7.1k | 100% | Mar 2026 |
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| Ubs Global Asset Management Americas | 116.00 | $4.6k | 100% | Mar 2026 |
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| Sterling Capital Management | 105.00 | $4.2k | 0% | Mar 2026 |
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| CWM | 80.00 | $3.0k | 33% | Dec 2025 |
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| Us Bancorp | 65.00 | $2.7k | -41% | Dec 2025 |
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| Caitong International Asset Management | 36.00 | $1.4k | 100% | Mar 2026 |
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| Royal Bank of Canada | 30.00 | $999.999000 | -92% | Mar 2026 |
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| Hanson McClain Advisors | 28.00 | $1.2k | 27% | Dec 2025 |
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| Hughes Financial Services | 26.00 | $1.0k | 4% | Mar 2026 |
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| Signature | 24.00 | $961.999200 | 100% | Mar 2026 |
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| EverSource Wealth Advisors | 23.00 | $920.000000 | 15% | Mar 2026 |
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| Pnc Financial Services | 16.00 | $641.000000 | 220% | Mar 2026 |
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| Fortitude Family Office | 15.00 | $601.000500 | 100% | Mar 2026 |
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| Root Financial Partners | 10.00 | $401.000000 | 100% | Mar 2026 |
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| Covestor | 3.00 | $0 | 100% | Mar 2026 |
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| MAI Wealth Advisors | 2.00 | $81.000000 | 100% | Mar 2026 |
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| Rothschild Investment | 1.00 | $40.000000 | 0% | Mar 2026 |
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Who sold out of Sionna Therapeutics?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Jpmorgan Chase & Co | Sep 2025 | 2.0M | $58M |
| Marshall Wace | Sep 2025 | 30k | $885k |
| Renaissance Technologies | Sep 2025 | 15k | $429k |
| SG Americas Securities | Dec 2025 | 11k | $440k |
| Dark Forest Capital Management | Dec 2025 | 6.0k | $247k |
| D. E. Shaw & Co | Dec 2025 | 5.7k | $236k |
| ProShare Advisors | Dec 2025 | 4.9k | $202k |
| Balyasny Asset Management | Dec 2025 | 1.4k | $58k |
| Amalgamated Bank | Dec 2025 | 504.00 | $21k |
| Daiwa Securities Group | Dec 2025 | 149.00 | $6.0k |
| Aster Capital Management | Dec 2025 | 37.00 | $1.5k |