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) 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
EMEEMCOR GroupUS740.17-4.50%-4.69%-7.75%-10.48%+2.20%+18.79%USD
PWRQuanta ServicesUS602.70-3.08%-5.73%-8.40%-15.32%+7.06%+58.07%USD
FIXComfort Systems USAUS1518.73-5.96%-8.27%-10.55%-16.93%+6.35%+114.28%USD
STRLSterling InfrastructureUS470.52-7.08%-8.96%-18.98%-45.34%+9.90%+62.61%USD

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

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 2026-08-28: leading — EMCOR Group (EME) -7.75%; Quanta Services (PWR) -8.40%; Comfort Systems USA (FIX) -10.55%. Lagging — Sterling Infrastructure (STRL) -18.98%; Comfort Systems USA (FIX) -10.55%; Quanta Services (PWR) -8.40%. Returns are close-to-close in each name's trading currency.

Which DC Construction names have done best over one year?

As of 2026-08-28: Comfort Systems USA (FIX) +114.28%; Sterling Infrastructure (STRL) +62.61%; Quanta Services (PWR) +58.07%. Weakest: EMCOR Group (EME) +18.79%; Quanta Services (PWR) +58.07%; Sterling Infrastructure (STRL) +62.61%.

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.