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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
MKSIMKS InstrumentsUS260.31+4.27%+1.78%-10.64%-13.70%+23.96%+156.55%USD
AEISAdvanced EnergyUS280.90+2.41%+2.96%-13.28%-4.72%-3.40%+87.24%USD
ACLSAxcelis TechnologiesUS115.08+4.27%-0.42%-15.79%-21.80%+39.93%+46.06%USD
6856.THoribaJapan22550.00+0.36%-3.57%-18.84%-13.00%+10.84%+99.82%JPY
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FAQ · from the current data · as of 2026-09-04

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 2026-09-04: leading — MKS Instruments (MKSI) -10.64%; Advanced Energy (AEIS) -13.28%; Axcelis Technologies (ACLS) -15.79%. Lagging — Horiba (6856.T) -18.84%; Axcelis Technologies (ACLS) -15.79%; Advanced Energy (AEIS) -13.28%. 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 2026-09-04: MKS Instruments (MKSI) +156.55%; Horiba (6856.T) +99.82%; Advanced Energy (AEIS) +87.24%. Weakest: Axcelis Technologies (ACLS) +46.06%; Advanced Energy (AEIS) +87.24%; Horiba (6856.T) +99.82%.

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.