Sionna Therapeutics Inc
- Stock Issuer and Owners
| Message |
|
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|
| Sionna Therapeutics Inc |
| Ticker | SION |
| CIK # | 0002036042 |
| CUSIP | 829401108 |
| Sector | Life Sciences - Pharmaceutical Preparations |
| Address | 21 Hickory Drive, Suite 500, Waltham, MA 02451 |
| Source |
[EDGAR]
|
| Form 13F Holdings |
| Firm |
Period |
DFND |
Voting |
Shares |
| RA Capital Management LP |
[2025-06-30]
|
SOLE |
10,445,322 |
10,445,322 |
| TPG GP A LLC |
[2025-06-30]
|
DFND |
6,744,962 |
6,744,962 |
| OrbiMed Advisors LLC |
[2025-06-30]
|
SOLE |
3,704,959 |
3,704,959 |
| Atlas Venture Life Science Advisors LLC |
[2025-06-30]
|
SOLE |
3,694,020 |
3,694,020 |
| Viking Global Investors LP |
[2025-06-30]
|
SOLE |
3,195,181 |
3,195,181 |
| Enavate Sciences GP, LLC |
[2025-06-30]
|
SOLE |
2,478,030 |
2,478,030 |
| JPMorgan Chase & Co |
[2025-06-30]
|
DFND |
1,978,546 |
2,221,188 |
| Perceptive Advisors LLC |
[2025-06-30]
|
SOLE |
1,216,045 |
1,216,045 |
| Braidwell LP |
[2025-06-30]
|
SOLE |
1,081,855 |
1,081,855 |
| Deerfield Management Company LP |
[2025-06-30]
|
DFND |
970,590 |
970,590 |
| Aberdeen Group plc |
[2025-06-30]
|
DFND |
950,547 |
950,547 |
| Jennison Associates LLC |
[2025-06-30]
|
DFND |
752,800 |
752,800 |
| BlackRock, Inc. |
[2025-06-30]
|
SOLE |
628,776 |
637,104 |
| Vanguard Group Inc |
[2025-06-30]
|
SOLE |
0 |
615,085 |
| Franklin Resources Inc |
[2025-06-30]
|
DFND |
500,023 |
500,023 |
| Baker Bros Advisors LP |
[2025-06-30]
|
SOLE |
400,000 |
400,000 |
| Soleus Capital Management LP |
[2025-06-30]
|
SOLE |
376,000 |
376,000 |
| Siren, L.L.C. |
[2025-06-30]
|
DFND |
325,000 |
325,000 |
| Geode Capital Management LLC |
[2025-06-30]
|
DFND |
289,275 |
289,275 |
| Ameriprise Financial Inc |
[2025-06-30]
|
DFND |
0 |
236,813 |
| Alyeska Investment Group LP |
[2025-06-30]
|
SOLE |
186,222 |
186,222 |
| SilverArc Capital Management LLC |
[2025-06-30]
|
SOLE |
186,015 |
186,015 |
| Prudential Financial Inc |
[2025-06-30]
|
DFND |
134,625 |
135,185 |
| Citadel Advisors LLC |
[2025-06-30]
|
DFND |
129,912 |
129,912 |
| State Street Corp |
[2025-06-30]
|
DFND |
118,768 |
124,518 |
| Rock Springs Capital Management LP |
[2025-06-30]
|
SOLE |
99,429 |
99,429 |
| Charles Schwab Investment Management Inc |
[2025-06-30]
|
SOLE |
92,832 |
92,832 |
| Northern Trust Corp |
[2025-06-30]
|
DFND |
90,009 |
90,009 |
| Driehaus Capital Management LLC |
[2025-06-30]
|
SOLE |
83,850 |
83,850 |
| Woodline Partners LP |
[2025-06-30]
|
SOLE |
80,000 |
80,000 |
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