§ EQUITY
USDKLRS
KALARIS THERAPEUTICS INC
USD
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 6.34HIGH 6.49LOW 6.01
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
27 increased/new, 12 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| SAMSARA BIOCAPITAL, LLC | 12.9M | 7.3% | ±0% |
| RTW INVESTMENTS, LP | 1.3M | 0.1% | ±0% |
| Paradigm Biocapital Advisors LP | 700K | 0.1% | ±0% |
| Alyeska Investment Group, L.P. | 573K | 0.0% | +42% |
| Siren, L.L.C. | 436K | 0.1% | ±0% |
| Ikarian Capital, LLC | 360K | 0.2% | ±0% |
◇ AC INTELLIGENCE
Top institutional owners for KLRS 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
OTHER97.0% · 40 holders
DEALER / BANK1.1% · 10 holders
SYSTEMATIC / QUANT0.9% · 3 holders
PASSIVE / INDEX0.6% · 2 holders
TACTICAL / MACRO0.3% · 1 holder
QUALITY / COMPOUNDER0.0% · 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 KLRS in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention KLRS yet.