§ BIOTECHNOLOGY
USD · BiotechnologyCABA
CABALETTA BIO INC
USDSector · Biotechnology
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
110 increased/new, 23 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 9.7M | 2.3% | ±0% |
| JENNISON ASSOCIATES LLC | 9.0M | 0.0% | +1% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 8.8M | 0.0% | ±0% |
| Millennium Management | 5.9M | 0.0% | +116% |
| Cormorant Asset Management, LP | 5.5M | 0.7% | +25% |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.0M | n/a | n/a |
◇ AC INTELLIGENCE
Top institutional owners for CABA 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
OTHER2.6% · 0 holders
OTHER64.8% · 76 holders
QUALITY / COMPOUNDER11.0% · 6 holders
TACTICAL / MACRO7.0% · 5 holders
SYSTEMATIC / QUANT5.5% · 4 holders
DEALER / BANK5.0% · 16 holders
PASSIVE / INDEX3.9% · 5 holders
ACTIVIST0.2% · 1 holder
INCOME / DEFENSIVE0.0% · 1 holder
◇ 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 CABA in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention CABA yet.