Mueller Industries (MLI) Q2 2026: Sales +25% on a Copper Boom — But We Say HOLD | Charged Alpha

Mueller Industries (MLI) Q2 2026 — Mueller Industries (MLI), one of North America's largest copper and brass manufacturers, reported Q2 2026 (quarter ended June 27): net sales rose 25% to $1.43B (vs $1.14B), operating income was $310M, and net income $249.7M, or $1.13 diluted EPS (all per-share figures split-adjusted for the 2-for-1 split effective June 30, 2026). EPS was only +1.8% YoY — but the prior-year quarter included a one-time $36.3M insurance gain; excluding it, operating income actually grew +15.7%. COMEX copper averaged $6.16/lb (+30.6% YoY), which inflated the top line via pass-through pricing far more than profit. Segments: Piping Systems $946.6M (+27%, op inc $248M, roughly flat vs the '25 insurance comp), Industrial Metals $355M (+31%, op inc +40% to $42.8M — the electrification leverage), Climate $145M (+5%). The balance sheet is a fortress: $1.42B of cash + short-term investments against ~$5M of debt (~$1.4B NET CASH), current ratio 4.8x. Q2 operating cash flow was $212M; the dividend was raised 40% to $0.175/quarter; $76M of buybacks in H1; and two bolt-on acquisitions — Bison Metals Technologies ($138M) and Chicago Extruded Metals. The stock (~$62) rose ~6% on the print, near its 52-week high of $70.95. On normalized mid-cycle owner earnings our probability-weighted fair value is ~$59 — a slight premium to the price. Our call: HOLD. Mueller Industries is one of the best-run industrial companies that almost nobody covers — a ~$14 billion copper and brass manufacturer followed by only about six Wall Street analysts. It makes the copper tube, fittings, brass rod, forgings, valves and HVAC line sets that run through plumbing, air conditioning, refrigeration and, increasingly, the electrical grid, across three segments: Piping Systems (the giant), Industrial Metals, and Climate. Its financial profile is elite for an industrial: ~27% return on equity, ~25% return on invested capital, and a debt-free, net-cash balance sheet. Q2 2026 looked like a boom: net sales +25% to $1.43B, operating income $310M, net income $249.7M, and diluted EPS $1.13. But read it honestly. That $1.13 was only up ~2% from $1.11 a year ago — because the prior-year quarter held a one-time $36.3M insurance gain; clean of it, operating income grew ~16%. And a large part of the 25% sales jump is simply copper being passed through at higher prices: COMEX copper averaged $6.16/lb, up ~31% year over year. Mueller largely passes metal costs on, so a copper spike inflates the top line far more than the bottom line — the true earnings driver is the metal spread and volume, and copper is near a cyclical high. The segment tell: Piping Systems ($946.6M, +27%) saw operating income roughly flat at $248M (again, the insurance comp), while Industrial Metals ($355M, +31%) grew operating income ~40% to $42.8M — the electrification-levered piece, aided by the Bison and Chicago Extruded acquisitions. The bull case is real: an elite, net-cash operator ($1.42B cash+STI vs ~$5M debt, 4.8x current ratio), structurally shielded by the 50% Section 232 tariff on imported semi-finished copper, riding data-center/grid/EV copper demand, buying back stock and raising the dividend 40% — and cheap-looking at ~16x trailing / ~15x forward earnings versus premium peers like Reliance (~25x), Lennox (~24x) and Watts Water (~31x). But that multiple sits on copper-inflated earnings; normalize copper to mid-cycle and it climbs toward ~18–19x. So we value it on normalized, mid-cycle owner earnings (~$720–880M/yr, NOT the ~$1.0B copper-peak run rate), discounted at 8/9/10% and adding back the ~$1.4B net cash: base case ~$51–66, up-cycle ~$65–87, blending to a probability-weighted ~$59 versus the ~$62 price. That's a slight premium with no real margin of safety, near the 52-week high, with copper at a cyclical high and U.S. residential construction still soft. Our verdict: HOLD, 3/5 — a genuinely elite, under-covered compounder we'd happily own lower, but not a bargain here. We'd get interested in the low-to-mid $50s. Aligned with the Street's Hold rating; more conservative than its ~$75 split-adjusted target. Not financial advice. THE CALL: HOLD (3/5, AN ELITE, UNDER-COVERED COPPER MANUFACTURER WITH A NET-CASH FORTRESS AND REAL TARIFF & ELECTRIFICATION TAILWINDS — BUT A COPPER-INFLATED BOOM NEAR A CYCLICAL HIGH, PRICED WITH NO MARGIN OF SAFETY) — base-case value ~$59 vs ~$62 today. What to watch: Watch COMEX copper and the metal spread above all else — the single biggest driver of Mueller's quarterly profit — plus the durability of unit-volume growth (commercial, industrial and electrical) and the scaling of Industrial Metals and the Bison / Chicago Extruded acquisitions, which is the proof of structural (not just cyclical) growth. We'd turn more constructive on a pullback toward the low-to-mid $50s (closer to mid-cycle earnings support and a real margin of safety), or on clear evidence that tariff-protected domestic spreads and electrification demand are compounding while volumes hold — which would justify paying up for the quality. The risk to respect is the opposite: copper mean-reverting toward ~$4/lb, a deeper U.S. residential downturn, or a tariff-driven inventory pre-buy unwinding into soft demand — in which case copper-inflated earnings and the multiple compress together. Also on YouTube: @ChargedAlpha DISCLAIMER: For informational and educational purposes only. Not financial advice. Do your own research before any investment decision.