Layering RadarWhen 3+ institutional stock-pickers each open the same brand-new position within 10 trading days, that's smart money quietly piling in. Cross-family pile-ups rank highest — and the entry order is the part a quarterly 13F can never show you.
5 funds · 3 families (cross-family) · $41.5B combined AUM
#2 STX SEAGATE TECHNOLOGY HOLDINGS COMMON STOCK USD.00001 Information Technology 3 funds · 3 families (cross-family) · $52.3B combined AUM
#3 THRM Gentherm Incorporated 4 funds · 2 families (cross-family) · $48.9B combined AUM
#4 MU Micron Technology Inc Information Technology 3 funds · 2 families (cross-family) · $27.8B combined AUM
#5 WDC Western Digital Corp Information Technology 3 funds · 2 families (cross-family) · $25.9B combined AUM
#6 AROC ARCHROCK INC COMMON STOCK USD.01 Energy 3 funds · 2 families (cross-family) · $25.9B combined AUM
3 funds · 2 families (cross-family) · $4.0B combined AUM
#8 JHX JAMES HARDIE IND PLC COMMON STOCK EUR.59 Materials 3 funds · 1 family · $37.5B combined AUM
#9 NTNX NUTANIX INC A COMMON STOCK USD.000025 Information Technology 3 funds · 1 family · $37.5B combined AUM
#10 SUNB SUNBELT RENTALS HOLDINGS INC COMMON STOCK USD.01 Industrials 3 funds · 1 family · $37.5B combined AUM
#11 SKYD SKYDANCE CORP COMMON STOCK USD.001 Communication Services 3 funds · 1 family · $37.5B combined AUM
#12 GOOGL Alphabet Inc Communication Services 3 funds · 2 families (cross-family) · $3.8B combined AUM
3 funds · 2 families (cross-family) · $2.1B combined AUM
#14 TEVA Teva Pharmaceutical Industries Limited (ADR) Health Care 4 funds · 1 family · $4.0B combined AUM
#15 GNRC Generac Holdings Inc. Utilities 3 funds · 1 family · $5.8B combined AUM
#16 CB Chubb Limited Financials 3 funds · 1 family · $3.9B combined AUM
#17 CNQ Canadian Natural Resources Limited Energy 3 funds · 1 family · $3.9B combined AUM
#18 GENI Genius Sports Limited 3 funds · 1 family · $2.1B combined AUM
3 funds · 1 family · $2.1B combined AUM
Layering = independent funds opening the same new position within days. Higher strength = more funds, more families, more AUM. Not financial advice — a map of where institutional money is quietly clustering.