§ LIFE SCIENCES TOOLS & SERVICES
USD · Life Sciences Tools & ServicesPSNL
PERSONALIS INC
USDSector · Life Sciences Tools & Services
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
116 increased/new, 35 decreased/exited (13F)
AC 13F Analysis
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| Merck & Co., Inc. | 14.0M | 25.6% | ±0% |
| LIGHTSPEED MANAGEMENT COMPANY, L.L.C. | 8.2M | 5.3% | ±0% |
| ARK Investment Management LLC | 7.9M | 0.4% | +1% |
| AMERIPRISE FINANCIAL INC | 7.6M | n/a | +21% |
| BlackRock, Inc. | 5.4M | 0.0% | +1% |
| Aberdeen Group plc | 3.5M | 0.0% | +7% |
◇ AC INTELLIGENCE
Top institutional owners for PSNL 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
OTHER16.2% · 0 holders
OTHER58.7% · 92 holders
QUALITY / COMPOUNDER12.9% · 11 holders
PASSIVE / INDEX6.7% · 8 holders
DEALER / BANK3.8% · 18 holders
TACTICAL / MACRO0.9% · 4 holders
INCOME / DEFENSIVE0.5% · 8 holders
DEEP VALUE0.2% · 1 holder
SYSTEMATIC / QUANT0.0% · 3 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 PSNL in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention PSNL yet.