§ BIOTECHNOLOGY
USD · BiotechnologySLDB
SOLID BIOSCIENCES INC
USDSector · Biotechnology
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
103 increased/new, 38 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | 11.9M | n/a | +1% |
| Bain Capital Life Sciences Investors, LLC | 9.8M | 6.4% | +24% |
| RA CAPITAL MANAGEMENT, L.P. | 9.3M | 0.7% | +61% |
| Siren, L.L.C. | 7.7M | 1.5% | ±0% |
| Vestal Point Capital, LP | 5.0M | 1.0% | −14% |
| BlackRock, Inc. | 5.0M | 0.0% | +2% |
◇ AC INTELLIGENCE
Top institutional owners for SLDB 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
OTHER107.1% · 87 holders
QUALITY / COMPOUNDER23.8% · 12 holders
PASSIVE / INDEX8.8% · 9 holders
DEALER / BANK5.3% · 19 holders
TACTICAL / MACRO4.1% · 4 holders
SYSTEMATIC / QUANT0.3% · 6 holders
ACTIVIST0.2% · 1 holder
INCOME / DEFENSIVE0.1% · 5 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 SLDB in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention SLDB yet.