Sionna Therapeutics, Inc. (SION) — Institutional Ownership     Insider Trades

Sionna Therapeutics, Inc. (SION) — among the top institutional holders, 18 hedge funds and asset managers reported positions as of Q32026. In Q32026, 9 funds opened a new position, 7 increased their stake, and 0 reduced their holdings. The largest holder is Y-Intercept (Hong Kong) LTD with 1.06M shares valued at $ 5.56M.