Indices / L3 · bottleneck-l3-optical

L3 HBM & Packaging Activity

Weekly hiring + business signal volume across hbm & advanced packaging companies — hbm & dram, cxl, cowos / soic, glass substrates.

1▼ -5week of 2026-09-07

Week-over-week

2026-03-09
3
2026-03-16
2
2026-03-23
1
2026-03-30
1
2026-04-06
1
2026-04-13
1-4
2026-04-20
6
2026-04-27
2
2026-05-04
2
2026-05-18
4
2026-05-25
1
2026-06-01
10
2026-06-08
21
2026-06-15
17-4
2026-06-22
16-12
2026-06-29
3-8
2026-07-06
3-8
2026-07-13
2-15
2026-07-20
3
2026-07-27
1
2026-08-03
6+5
2026-08-10
11+5
2026-08-17
7-4
2026-08-24
4-3
2026-08-31
6+2
2026-09-07
1-5

Methodology

Count of business_signals + talent_signals per ISO week for canonical_companies with primary_layer=L3.