ESI vs SOLS: 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.

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. ESI and SOLS 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 ESI and SOLS 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.

Element Solutions Inc is a specialty chemicals company providing high-performance specialty chemistries to electronics, automotive, industrial, and energy customers. The company organizes around two main segments. Electronics provides specialty chemistries for printed circuit board manufacturing, semiconductor packaging, and electronics assembly (including the MacDermid Alpha brand, a major supplier to electronics manufacturers globally). Industrial and Specialty provides specialty surface treatment chemistries, oil and gas chemistries, graphics arts chemistries, and various other industrial specialty chemicals.

Full ESI guide

Solstice Advanced Materials is a Morris Plains, New Jersey specialty-chemicals company that began trading on Nasdaq on October 30, 2025 after being spun off from Honeywell. It runs two segments: Refrigerants and Applied Solutions (RAS), which sells low-global-warming-potential refrigerants, blowing agents, solvents and aerosol materials into HVAC/R, automotive, appliance and building end markets, and Electronic and Specialty Materials (ESM), which supplies electronic materials, industrial-grade fibers and life-sciences chemicals to semiconductor, defense, pharmaceutical and construction customers. Full-year 2025 net sales were about $3.9 billion with net income of roughly $237 million and adjusted standalone EBITDA near $957 million, a margin around 24.6%.

Full SOLS guide

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

• ESI drivers: Semiconductor advanced packaging; PCB manufacturing chemistries.
• SOLS drivers: Low-GWP refrigerant transition; Electronics and AI-infrastructure exposure.

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: Cyclical exposure across electronics and industrial end markets. For SOLS, the planned $14.5 billion Element Solutions acquisition adds substantial debt through a $4.7 billion bridge facility, raising integration and balance-sheet risk, and it is not expected to close until the first half of 2027 subject to regulatory approvals.

Pick ESI if you believe its drivers more; SOLS 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 ESI and SOLS guides.

ESI. Element Solutions trades in line with the S&P 500 average, reflecting balanced exposure to growth in semiconductor packaging chemistries against more cyclical industrial specialty chemicals. The multiple expansion potential depends on continued Electronics segment growth and operating leverage.

SOLS. SOLS trades at a high trailing earnings multiple, reflecting a low trailing net income figure and expectations tied to its refrigerant franchise and electronics push. Management's 2026 guidance points to net sales of about $3.9 to $4.1 billion and adjusted diluted EPS of roughly $2.45 to $2.75. The pending Element Solutions acquisition would materially change the size and capital structure of the company if it closes.

Headline figures (approximate, early 2026): ESI shows revenue (ttm) ~$2.5 billion, operating margin ~16%, net income (ttm) ~$250 million, eps (ttm) ~$1.10; SOLS shows market cap ~$10.8B, revenue (ttm) ~$3.98B, net income (ttm) ~$188M, fy2025 adj. standalone ebitda ~$957M.

ESI and SOLS 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 ESI and SOLS exposure against your real portfolio. It is not an investment adviser.