§ BIOTECHNOLOGY
USD · BiotechnologySION
SIONNA THERAPEUTICS INC
USDSector · Biotechnology
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 9.9M | 4.2% | ±0% |
| TPG GP A, LLC | 6.5M | 7.1% | −4% |
| ORBIMED ADVISORS LLC | 3.5M | 2.8% | −1% |
| Two Sigma | 3.2M | 0.4% | ±0% |
| Atlas Venture Life Science Advisors, LLC | 3.0M | 15.2% | ±0% |
| ENAVATE SCIENCES GP, LLC | 2.5M | 28.3% | ±0% |
◇ AC INTELLIGENCE
Top institutional owners for SION as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER77.9% · 76 holders
TACTICAL / MACRO10.0% · 4 holders
DEALER / BANK6.9% · 18 holders
QUALITY / COMPOUNDER5.5% · 9 holders
PASSIVE / INDEX4.1% · 7 holders
INCOME / DEFENSIVE0.7% · 5 holders
GROWTH / MOMENTUM0.0% · 1 holder
SYSTEMATIC / QUANT0.0% · 2 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for SION in the last 180 days.