Rubin Build-Out 100 · Sector S17 · Layer 6 · Manufacturing Support

Fab Subsystems & Process Infra

Vacuum, gas-delivery, and ultra-high-purity fluids. The fab plumbing without which the headline tools are paperweights.

Equal-weight 1d —
Cap-weighted 1d —
Momentum (drift) 1d —
Constituents in this sector

Composite Index — since inception (Dec 30, 2025)

Three weighting variants of the same constituent basket, rebased to 1,000 at inception. EW = ticker-equal-weight with quarterly drift. CW = cap-weighted (10% cap) with semi-annual rebalance. MW = drift-only (1/N at inception, market does the tilting between rebalances). Click a legend entry to toggle its line.

Constituents

Every Rubin constituent tagged into this sector. Click a row to open the stock detail page with full chart + Money-Temperature scoring.

Ticker Company Region Last 1d 1w 1m 3m 6m 1y CCY
AEISAdvanced EnergyUS272.82-4.97%-4.55%-0.53%-9.72%-18.70%+77.61%USD
6856.THoribaJapan23385.00-1.22%+0.39%-0.57%-10.97%+20.08%+111.44%JPY
ACLSAxcelis TechnologiesUS115.57-5.58%-9.05%-7.70%-23.16%+39.90%+41.08%USD
MKSIMKS InstrumentsUS255.76-5.62%-8.37%-12.80%-21.13%+4.62%+142.62%USD

FAQ · from the current data · as of 2026-08-28

Fab Subsystems & Process Infra — data Q&A

What is the Fab Subsystems & Process Infra sub-index of the Rubin Build-Out 100?

4 constituents, listed across US, Japan, computed equal-weight, cap-weight and momentum-weight from the same basket and rebased to 1,000 at the index base date. Part of the Rubin Build-Out 100 — /indices/rubin/.

Which Fab Subsystems & Process Infra constituents lead and lag over one month?

As of 2026-08-28: leading — Advanced Energy (AEIS) -0.53%; Horiba (6856.T) -0.57%; Axcelis Technologies (ACLS) -7.70%. Lagging — MKS Instruments (MKSI) -12.80%; Axcelis Technologies (ACLS) -7.70%; Horiba (6856.T) -0.57%. Returns are close-to-close in each name's trading currency.

Which Fab Subsystems & Process Infra names have done best over one year?

As of 2026-08-28: MKS Instruments (MKSI) +142.62%; Horiba (6856.T) +111.44%; Advanced Energy (AEIS) +77.61%. Weakest: Axcelis Technologies (ACLS) +41.08%; Advanced Energy (AEIS) +77.61%; Horiba (6856.T) +111.44%.

How often does this sub-index update, and is it advice?

The worker recomputes the sub-index and every constituent's returns after each US close (prices converted to USD for the index level; per-name returns stay in local currency). This page is a data surface in an investment research diary — it describes constituents and returns, it recommends nothing.