SION
Sionna Therapeutics
SION
SION
65 hedge funds and large institutions have $754M invested in Sionna Therapeutics in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 18 increasing their positions, 10 reducing their positions, and 8 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding in top 10
Funds holding in top 10: →
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more capital invested
Capital invested by funds: $ → $
38% more funds holding
Funds holding: 47 → 65 (+18)
4.42% more ownership
Funds ownership: 94.04% → 98.47% (+4.4%)
Holders
65
Holding in Top 10
4
Calls
–
Puts
–
Top Buyers
| 1 | +$18.8M | |
| 2 | +$7.61M | |
| 3 | +$4.21M | |
| 4 |
DM
Deerfield Management
New York
|
+$3.88M |
| 5 |
Aberdeen Group
Edinburgh,
United Kingdom
|
+$3.55M |
Top Sellers
| 1 | -$4.25M | |
| 2 | -$3.41M | |
| 3 | -$2.86M | |
| 4 |
ZP
Zimmer Partners
New York
|
-$2.48M |
| 5 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$2.34M |
