StoneCo Ltd.

Conclusion: StoneCo’s economic engine is improving, but with a changed mix: the old story was merchant acquiring growth; the current story is a broader SMB financial platform where banking, float income, and credit economics matter more than pure payments take rate. Ticker: STNE. Trading currency: USD. Most recent official full-year data used: FY2025.

StoneCo’s DNA is serving Brazilian small and mid-sized merchants with an integrated stack: card acceptance/POS, digital banking, cash management, software, and merchant credit. It makes money in three main ways: payments monetization, subscription/equipment rental, and increasingly financial income generated by client balances, credit, and treasury-related economics. In FY2025, the mix made the shift obvious: transaction revenue fell to R$2493100000 from R$3128900000, while financial income rose to R$10017300000 from R$7676200000; total revenue and income from continuing operations still climbed to R$14153800000 from R$12049600000.

That is both good and worth watching. Good, because it shows Stone is no longer just a commoditized payments acquirer. Risky, because a business driven more by spreads, float, and credit is more exposed to rates, underwriting quality, and funding conditions. The company also sold software assets and SimplesVet, which says management is simplifying around the core financial platform, not building a sprawling conglomerate.

This is broadly a win-win model when executed well: merchants get acceptance, banking, and working capital in one system; Stone gets more touchpoints and higher lifetime value. It becomes extractive only if pricing rises faster than merchant ROI, or if credit growth outruns underwriting discipline.

The few metrics that matter most are: active merchants, TPV, payments take rate, client funds/deposits, financial income yield, credit losses/NPLs, and contribution margin per client. If TPV grows but financial income or credit losses do all the work, quality is lower. If deposits, TPV, and per-client profitability all rise together, Stone is winning.

StoneCo operates in Brazil’s SMB commerce-finance stack: merchant acquiring, digital payments, banking, and working-capital credit. That market is a tailwind in volume but not automatically in margins. Electronic payments keep taking share from cash, SMBs keep formalizing, and merchants increasingly want one provider for acceptance, software, banking, and credit. The catch is that Brazil’s payment rails—especially Pix—expand TAM while also commoditizing plain-vanilla acquiring.

The industry is fragmented at the SMB edge but concentrated in serious scale players: PagSeguro, Mercado Pago, Cielo, Rede/Itaú, Getnet/Santander, banks, and Pix-native flows. The value chain runs from payment rails and issuing banks to acquirers/gateways, then merchant software, banking, and credit. Net: big TAM, favorable digitization, harsh competition. Good market; difficult industry.

StoneCo has a real but narrow moat: it is stronger than a plain-vanilla acquirer, but far from a dominant platform. The edge comes from Brazil-focused SMB distribution, service, and product bundling—not from payment processing itself.

Net: the moat is stable, with slight improvement in ecosystem stickiness, but the core acquiring business remains structurally competitive. StoneCo’s best chance to widen its moat is deeper product integration; its weakest point is that payments economics alone are not defensible.

StoneCo’s financial strength is adequate, not exceptional: earnings have recovered, but the model is now more exposed to credit, float, and funding mechanics than a plain-vanilla payments processor.

Using audited FY2025 numbers, returns look back above the cost of capital, but I would not call them elite or especially “clean.” This is a financially improving business, not a fortress.

Conclusion: StoneCo still has a reinvestment runway, but it is no longer a pure high-return compounding story; the next leg depends on scaling banking, software, and credit without letting capital intensity and underwriting risk erode returns.

Using FY2025 public data, the best opportunities are still internal: deepen merchant monetization, grow deposits and float, expand software-led cross-sell, and selectively widen credit. That supports decent organic growth, likely above Brazil’s nominal GDP, but not at the same quality as the original acquiring business. Incremental returns should remain attractive in distribution-heavy products, yet probably trend below StoneCo’s best historical returns as more capital sits in receivables, funding, and risk-bearing credit.

The bottom line: runway is real but narrower than it first appears, and return on incremental capital is probably only moderately above cost of capital unless credit execution stays tight.

StoneCo is a contender, not the category leader: it is stronger than Brazil’s legacy bank acquirers on software, service, and SMB engagement, but it still faces tougher structural competition from PagBank and Mercado Pago, which pair payments with larger consumer/funding ecosystems.

Latest financial reference used: FY2025.

StoneCo appears to be still gaining selectively, mainly in service-heavy SMB cohorts, but future gains should be slower and more expensive because the easy wins versus legacy acquirers are mostly gone. The long-term question is no longer payments share alone; it is whether Stone can compound through banking and software without importing credit/funding risk that erodes the payments moat.

StoneCo is economically aligned but structurally only middling for minorities. Founders and senior insiders still have real skin in the game, and the company’s disclosures are good enough that this does not look like a promotional or obviously abusive governance story. But minority holders are not true partners on equal terms: the dual-class structure leaves control concentrated, and StoneCo had 232663503 Class A and 16241164 Class B shares outstanding at December 31, 2025. That is a meaningful governance discount, especially now that the business is taking more banking and credit risk.

The positive is that management has shown some willingness to simplify the portfolio rather than endlessly empire-build; the negative is that capital allocation still has to be proven in credit, where one bad cycle matters more than in payments. I do not see a clear current securities-regulator overhang on leadership from the FY2025 filing, and I do not see an obvious related-party red-flag narrative. A well-known historical endorsement came from Berkshire Hathaway, but that is not a substitute for present-day underwriting. I also do not have a strong recent insider-buying signal, so this is not an “insiders loading up” case.

Conclusion: StoneCo’s management looks capable but uneven: strong at rebuilding the core franchise after mistakes, weaker at capital allocation and early risk control.

The record is mixed. StoneCo’s biggest scar is capital allocation: the Linx/software push now looks value-destructive given the later asset sales, and the earlier credit expansion exposed weak underwriting and operational judgment. That said, management did stabilize the business, restore profitability, and simplify the portfolio, which argues for real execution ability. Transparency is better than the market often gives them credit for: when the credit/receivables-registry problem blew up, management eventually discussed it plainly and later disclosed the software-business divestitures clearly in filings. On ethics/governance, I do not see a major restatement, auditor dispute, or disclosed fraud signal in the FY2025 20-F; internal controls were reported effective with auditor attestation. Litigation exists, but nothing reviewed here looked existential.

StoneCo looks cheap, but not for free. At a USD 2.20B market cap, the stock is priced as if current earnings are fragile, credit will misfire again, or Brazil/funding risk will permanently cap the multiple. That skepticism is understandable; a 4x-ish forward P/E on a still-profitable SMB payments/banking platform is still too low if Stone merely holds today’s earnings power.

A clean framework here is normalized earnings plus tangible book. EV/EBITDA is less useful because Stone’s debt partly funds financial operations. FY2025 continuing net income was roughly USD 430M equivalent, tangible book roughly USD 1.6B, and the stock trades at only ~1.25x book. That is not a distressed multiple, but it is a very low one for a business still earning high incremental returns.

Management materials I relied on do not give a crisp multi-year numeric target. The practical “guidance” is strategic: grow the core merchant franchise, deepen banking monetization, and expand credit carefully. Credibility is mixed-to-decent: operating recovery since 2023 is real, but cash conversion and funding costs remain volatile, so I would not underwrite a premium multiple.

If Stone simply sustains roughly USD 500M of normalized earnings and the market pays 6.5x P/E, intrinsic equity value is about USD 3.2B, or roughly USD 13/share. The current price embeds either flat-to-down earnings or a view that today’s profits are low-quality. That feels too bearish, though not irrational.

Liquidation is the floor, not the thesis. Tangible equity suggests perhaps USD 1.2B-1.4B recoverable value after haircuts and wind-down friction.

Conclusion: StoneCo looks more like a 2–3x in 10 years if execution holds setup than a true multi-bagger compounder. As of FY2025, the business has real reinvestment runway in Brazilian SMB financial services, but its moat is narrower than its margins suggest: distribution, software integration, and service intensity help, yet payments acquiring itself is still vulnerable to pricing pressure, Pix-led disintermediation, and regulation.

What keeps the flywheel alive is cross-sell. If Stone keeps turning merchants into multi-product clients—payments, banking, software, and carefully underwritten credit—incremental capital can still earn good returns because distribution is already paid for. What erodes first is not relevance, but economics: credit losses, funding-cost pressure, or a renewed race-to-the-bottom in merchant pricing can turn a high-ROE story into a balance-sheet risk story fast.

I expect Stone to remain competitively relevant in 10–20 years under adverse conditions, but that does not guarantee exceptional compounding. This is probably a durable platform, not a fortress moat.

Thesis-breaker signal: active client growth and TPV still rising, but contribution profit increasingly depends on float/credit spreads while delinquency, funding costs, or take-rate compression worsen for several consecutive periods.

Risk Assessment

StoneCo’s risk is real but not fatal: the biggest danger is not payments volatility, but mispriced credit/funding risk inside a business that now earns heavily from banking spread and float. Using FY2025/4Q25 data, the business looks profitable, but profit mix has become more financial and therefore more fragile if underwriting or treasury discipline slips.

There are no obvious fraud red flags in current filings, and audited controls help. The single risk that could permanently impair the business is a repeat of bad credit/funding allocation on a larger balance-sheet base; probability is medium, because the model now has more financial leverage to execution even if reported leverage is manageable.

Final Verdict: TRACK

StoneCo is not a bad business, but it is also not the kind of exceptional compounding machine that justifies high conviction today. The stock is plainly cheap, yet the cheapness mostly reflects a real issue: StoneCo has moved away from a cleaner payments model toward a more complex mix of banking, float, and credit, where mistakes can permanently destroy value. That is not fraud risk; it is business-model drift into harder, more balance-sheet-sensitive territory.

The bull case is straightforward: StoneCo still has strong SMB distribution, solid product breadth, recovering profitability, and meaningful buyback support. At roughly USD 2.20 billion market cap against your base case of USD 3.20 billion, upside exists.

The problem is conviction. A BUY requires above-average returns with below-average risk. StoneCo does not clear that bar. Its moat is narrow, Brazil payments is brutally competitive, Pix keeps pricing pressure alive, and the earnings base is less robust than the headline P/E suggests because funding costs, float income, and credit execution now matter more. That is a decent setup for a trade or a selective starter position, but not enough for a long-term “own it with confidence” call.

The inversion case against this verdict is important: if Stone proves it can scale banking and credit without another underwriting or funding stumble, then today’s valuation is too low and this cautious stance will look overly conservative.

For new money: track it, don’t chase it.
For existing holders: hold, unless your position is oversized and you want to reduce exposure to Brazil/fintech balance-sheet risk.
This is not a load-the-truck idea.

Is the analysis accurate and complete? Not fully. Next work should focus on:

• latest delinquency/vintage performance in credit cohorts
• mix of earnings between acquiring, banking float, and credit
• durability of take rates in a Pix-heavy market
• true free-cash-flow conversion after working-capital/funding movements