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Rubin Build-Out 100 · Sector S21 · Layer 7 · AI Factory

DC Construction

The engineering-and-construction firms that physically build the data-centre shell. Picks-and-shovels for the AI factory.

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; below ten names the cap is infeasible, so the sub-index is equal weight by construction) 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
PWRQuanta ServicesUS631.86-1.61%-10.49%+2.48%-0.11%+4.98%+44.68%USD
EMEEMCOR GroupUS721.66-1.48%-8.59%-1.04%-3.01%-10.47%+4.61%USD
FIXComfort Systems USAUS1439.07-2.85%-16.12%-8.57%-15.95%-12.77%+72.17%USD
STRLSterling InfrastructureUS424.36-4.91%-17.28%-16.09%-34.74%-8.47%+16.14%USD

FAQ · from the current data · as of 2026-10-16

DC Construction — data Q&A

What is the DC Construction sub-index of the Rubin Build-Out 100?

4 constituents, listed across US, 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 DC Construction constituents lead and lag over one month?

As of 2026-10-16: leading — Quanta Services (PWR) +2.48%; EMCOR Group (EME) -1.04%; Comfort Systems USA (FIX) -8.57%. Lagging — Sterling Infrastructure (STRL) -16.09%; Comfort Systems USA (FIX) -8.57%; EMCOR Group (EME) -1.04%. Returns are close-to-close in each name's trading currency.

Which DC Construction names have done best over one year?

As of 2026-10-16: Comfort Systems USA (FIX) +72.17%; Quanta Services (PWR) +44.68%; Sterling Infrastructure (STRL) +16.14%. Weakest: EMCOR Group (EME) +4.61%; Sterling Infrastructure (STRL) +16.14%; Quanta Services (PWR) +44.68%.

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.