CSAN vs SHEL: How Cosan and Shell plc Compare (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.

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. CSAN and SHEL 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 CSAN and SHEL 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.

Cosan S.A. began in 1936 as a sugar mill operator in Sao Paulo state and is now a holding company that sits above several separate Brazilian businesses. Compass distributes natural gas, including Comgas, the country's largest piped-gas utility, and operates the Edge regasification terminal at the Port of Santos. Rumo runs the largest freight rail network in Brazil, hauling grain and sugar to Santos and to northern ports. Moove blends and sells lubricants as the Mobil licensee across Brazil, parts of South America and Europe. Radar holds farmland. Raizen, the roughly 50/50 sugar, ethanol and fuel-distribution joint venture with Shell, was historically the largest piece and is now the source of the group's damage. Cosan employs roughly ~29,000 people, reports in Brazilian reais, and trades in Sao Paulo as CSAN3; one ADS on the NYSE represents one common share.

Full CSAN guide

Shell plc is one of the largest integrated energy companies in the world, operating across the entire hydrocarbon value chain and into lower-carbon energy. Its business is organized into segments that include Integrated Gas (including its world-leading liquefied natural gas, or LNG, business), Upstream (oil and gas exploration and production), Marketing (fuels retail, lubricants, and related products), Chemicals and Products (refining and petrochemicals), and Renewables and Energy Solutions (power, hydrogen, and lower-carbon offerings). SHEL trades on the New York Stock Exchange as an American Depositary Receipt, with each ADR representing two Shell ordinary shares.

Full SHEL guide

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

• CSAN drivers: Deleveraging by divestment rather than by earnings; Compass as the funded cash engine.
• SHEL drivers: LNG and Integrated Gas leadership; Shareholder returns: dividend and buybacks.

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: Raizen is the open wound: an extrajudicial reorganization is ongoing, Cosan has said it has no legal or constructive obligation to fund it, and creditors may test that position. For SHEL, as an integrated energy major, Shell's earnings rise and fall with oil, gas, and LNG prices and with refining and chemical margins, so a downturn in commodity prices or global demand can compress profits and pressure cash returns.

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 CSAN if you believe its drivers more; SHEL 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 CSAN and SHEL guides.

CSAN. There is no trailing price-to-earnings figure because Cosan lost roughly ~$1.8 billion (about ~R$9.7 billion) over the last twelve months, mostly on Raizen impairments rather than on operations. Valuation work on CSAN is therefore a sum-of-the-parts exercise: mark Compass, Rumo, Moove and Radar, subtract holding-company debt near ~R$11.5 billion, and assign zero to Raizen as the company itself now does. The next report is scheduled for around ~August 14, 2026.

SHEL. These figures are approximate and tied to the asOf date; verify live numbers before acting. Because each SHEL ADR represents two Shell ordinary shares, per-ADR dividend and earnings figures are roughly double the per-ordinary-share numbers you may see quoted from London or the Netherlands, so make sure you are comparing like for like. As with any integrated energy company, earnings and multiples move with the commodity cycle, so a given quarter's results reflect prevailing oil, gas, and margin conditions rather than a fixed run-rate.

Headline figures (approximate, August 2026): CSAN shows revenue (ttm) ~$7.6 billion, reported in Brazilian reais, q1 2026 net sales ~R$9.0 billion, down from ~R$9.7 billion, q1 2026 ebitda ~R$3.2 billion, up from ~R$2.0 billion, q1 2026 net loss ~R$1.3 billion, narrowed from ~R$1.9 billion; SHEL shows q1 2026 eps ~$2.44, above the analyst consensus of about $2.14, q1 2026 revenue ~$70 billion for the quarter, dividend Progressive quarterly dividend; the ADR receives roughly double the per-ordinary-share amount (each ADR is two ordinary shares), payout ratio Roughly half of earnings historically, leaving room for buybacks.

CSAN and SHEL 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 CSAN and SHEL exposure against your real portfolio. It is not an investment adviser.