CWST vs WCN: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of August 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: WCN is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. CWST and WCN share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined CWST and WCN exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

Casella Waste Systems, Inc. collects, transfers, recycles and disposes of solid waste across the eastern United States, with operations concentrated in Vermont, New Hampshire, Maine, New York, Massachusetts, Connecticut and, since a run of mid-Atlantic deals, Pennsylvania and neighboring states. The business is vertically integrated: residential and commercial collection routes feed company transfer stations, which feed company landfills, so a ton picked up on a Casella truck can earn a hauling fee and a disposal fee. Alongside the three geographic segments the company runs Resource Solutions, which handles recycling processing, organics and national accounts for large multi-site customers.

Full CWST guide

Waste Connections is one of the largest integrated solid-waste-services companies in North America, providing collection, transfer, disposal, and recycling across 46 U.S. states and six Canadian provinces. Its signature strategy is to focus on secondary and rural markets rather than crowded major metros, often operating under exclusive municipal franchises and long-term contracts. That footprint gives it high route density, strong local pricing power, and industry-leading margins, and the company has grown for decades by acquiring local and regional haulers into a decentralized operating model.

Full WCN guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• CWST drivers: Northeast disposal scarcity; The tuck-in acquisition machine.
• WCN drivers: Pricing power in protected markets; Acquisition-driven growth.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The most obvious risk is that reported earnings are close to zero: trailing net income of ~$5.7 million against a ~$5.76 billion market cap produces a trailing P/E in the four figures, and full-year 2026 net income guidance was trimmed to ~$0-$6 million even as revenue guidance rose. For WCN, the most cited risk is valuation: a premium multiple near 40 times trailing earnings leaves limited margin for error if pricing decelerates or acquisitions slow.

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick CWST if you believe its drivers more; WCN if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the CWST and WCN guides.

CWST. Casella cannot be valued on reported earnings: trailing net income of ~$5.7 million puts the trailing P/E above 1,000x, an artifact of depreciation and interest from the acquisition program rather than a statement about the business. The forward P/E of roughly 73x and an enterprise value near ~$7 billion against ~$473M-$483M of guided adjusted EBITDA (very roughly 15x) are the more usable anchors. Beta sits near 0.74 and the company pays no dividend, so returns depend entirely on the compounding of acquired and internalized tonnage.

WCN. WCN carries a premium valuation that reflects its defensive, high-margin profile and long record of double-digit dividend growth. Trailing revenue is roughly $9.6 billion with adjusted EBITDA margins around 32%, and 2026 guidance points to net income near $1.22 billion to $1.24 billion. The rich multiple is the main reason quality here does not automatically translate into cheapness.

Headline figures (approximate, August 2026): CWST shows revenue (ttm) ~$1.96B (+13.6%), q2 2026 revenue ~$543.7M (+16.9% YoY), q2 2026 adjusted ebitda ~$123.2M (+12.5% YoY), fy2026 revenue guidance ~$2.09B-$2.11B; WCN shows revenue (ttm) ~$9.6B, q1 2026 revenue ~$2.37B (+6.4% YoY), adjusted ebitda (2026 guide) ~$3.30B to $3.33B, adjusted free cash flow (2026 guide) ~$1.40B to $1.45B.

CWST and WCN are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined CWST and WCN exposure against your real portfolio. It is not an investment adviser.