Fiserv, Inc.

• FY2025 (10-K): Revenue $21.193B; operating income $5.818B (27.5% margin); net income attributable $3.48B (XBRL companyfacts, CY2025).
• Q2 2026 (10-Q): Revenue $5.292B (−4% YoY); operating income $1.015B (−40%); net income attributable $627M (−39%). H1 2026 revenue $10.319B (−3%), op income $1.933B (−37%).
• Segments (Q2): Merchant $2.608B (30.0% op margin, −460 bps); Financial $2.355B (38.7%, −1,000 bps); Corporate/Other −$678M.
• Cash: H1 2026 operating cash flow $2.08B (vs $2.31B); FCF $1.36B (vs $1.54B). Buybacks $100M Q2 / $300M H1. Debt: €1.0B new senior notes (4.0% wavg coupon) offset by $1.23B tender of 2027/2049 notes.
• Valuation (stockanalysis, Aug 2026): Mkt cap ~$28.4B; EPS ttm $5.22; P/E 10.4× ttm, 7.2× fwd; beta 0.80; consensus Hold, PT $62.18.

Fiserv is the merchant-to-bank settlement processor: Clover + merchant acquiring on one side, issuer processing + bank core (Signature/Premier/DNA/Finxact) on the other. The 2019 First Data merger made it one of two independent U.S. acquirer/issuer stacks (with FIS).

• monetization model: transaction/processing fees, account/payment fees, software license/maintenance, professional services, hardware/device. FY24 10-K, Item 1, [sec.gov , Acc. 0000798354-25-000008]
• revenue mix: Merchant Solutions ~48%, Financial Solutions ~47%, Corporate and Other ~5% (FY2024 segment note). [ibid., Note 20—Segments]
• who pays: merchants; banks/credit unions; enterprise billers; ISVs/fintechs. [ibid., Item 1]
• margin_value_capture: GAAP operating margin ~27%; adjusted ~38%; value accrues in scaled processing/software. [ibid., MD&A]

• customer classes: Merchants (SMB/enterprise), banks/credit unions, Platform & Developer Teams (ISVs/fintechs/embedded finance), Compliance & GRC Officers (risk/fraud/regulatory). FY24 10-K, Item 1, [sec.gov , Acc. 0000798354-25-000008]

Fiserv operates as a global payments and financial-services technology company. It makes money in two primary ways: by acquiring and processing merchant card transactions, and by providing mission-critical software, processing, and payments infrastructure to banks, credit unions, billers, and fintechs.

Fiserv’s latest Form 10-K reports two reportable segments after an organizational realignment: Merchant Solutions and Financial Solutions. The business is roughly balanced between the two.

For scale, Fiserv’s total reported revenue and net income over the last three reported years are:

Source: [FSV-10K-2023] and [FSV-10K-2022]. All figures above should be re-verified directly against the relevant 10-K; each is marked needs primary source validation for exact accession/page-level confirmation.

Fiserv monetizes through transaction-based fees, software-as-a-service subscriptions, per-account/per-transaction processing fees, hardware/software sales, and implementation/other services.

• Merchant Solutions: Fiserv charges merchants a merchant discount on card transactions, processing fees, fees for point-of-sale hardware and software such as Clover, network fees, and gateway/e-commerce fees. It also earns revenue from value-added services such as fraud management and data analytics. Source: [FSV-10K-2023], business-section description; exact pricing terms are in the filing but not reproduced here.
• Financial Solutions: Fiserv charges financial institutions per-account and per-transaction fees for core account processing, digital banking, card processing, bill payment, ACH/network services, and other software. Long-term processing contracts are common. Source: [FSV-10K-2023].
• Who pays: Merchants pay Fiserv for merchant acquiring and Clover; financial institutions pay for core processing and payments; billers pay for bill-payment infrastructure; fintechs pay for embedded payments and banking services. Source: [FSV-10K-2023].

Fiserv does not emphasize gross profit as its headline profitability metric in the same way a pure software company does; it reports operating income and adjusted operating margin more prominently.

• GAAP operating margin: not quoted as an exact percentage in this note because the exact operating income line should be pulled from the income statement; my offline estimate is roughly high-20s percent, but that figure is needs primary source validation.
• Adjusted operating margin: approximately 35.5% for FY2023, commonly cited in Fiserv’s earnings materials; needs primary source validation against the 10-K/8-K.
• Gross margin: Fiserv reports full cost-of-revenue detail, but I will not state a precise gross margin here without direct filing verification. Use the 10-K income statement directly; needs primary source validation.

Source: [FSV-10K-2023].

Because Fiserv does not disclose gross profit per merchant location, a useful calculation is blended revenue per merchant location. This is a business-model unit metric, not a pure gross-profit metric.

Worked calculation: Merchant Solutions revenue per merchant location

Formula:

Merchant revenue per location = Merchant Solutions segment revenue ÷ average merchant locations

Inputs used:

• Merchant Solutions segment revenue ≈ $9.5B (needs primary source validation)
• Merchant locations ≈ 1.4 million (needs primary source validation)

Calculation:

$9,500,000,000 ÷ 1,400,000 = $6,786 per merchant location per year

= $565 per merchant location per month

Sensitivity:

Interpretation: this is blended unit revenue, not profit. Fiserv likely earns more per location when it attaches software such as Clover and omnichannel commerce tools. If Fiserv can raise monthly per-location revenue by $100 across 1.4 million locations, that would add roughly $1.68B in annual revenue before churn or costs. That math is:

1,400,000 locations × $100 per month × 12 months = $1,680,000,000

This is a sensitivity calculation, not a projection. Source for inputs: [FSV-10K-2023]; merchant-location count and segment revenue both needs primary source validation.

Fiserv’s customer base splits into several buyer classes.

1. Small and mid-sized merchants: These buyers use Clover POS, card processing, and business-management tools. They are sensitive to hardware cost, ease of use, and processing fees, but they are sticky once the system is embedded. Source: [FSV-10K-2023].
2. Enterprise merchants: Large retailers, restaurants, travel companies, and digital commerce businesses use Carat and Fiserv’s enterprise acquiring/processing services. They negotiate customized pricing and require omnichannel integration. Source: [FSV-10K-2023].
3. Financial institutions: Banks, credit unions, savings institutions, and neobanks buy core processing, digital banking, card processing, bill payment, and fraud/risk products. These are the most stable customers because of long contracts and high switching costs. Source: [FSV-10K-2023].
4. Billers: Utilities, telecoms, lenders, insurance companies, and government agencies use Fiserv bill-payment infrastructure. Source: [FSV-10K-2023].
5. Fintech and software companies: These buyers use Fiserv’s embedded payments and banking-as-a-service style products to add payments to their own software. Source: [FSV-10K-2023].

Fiserv’s 10-K does not typically name individual top customers because the customer base is highly diversified. The filing states, in substance, that no single customer accounted for more than 10% of total revenue in the periods presented. Source: [FSV-10K-2023].

This is itself an important underwriting fact: Fiserv’s revenue concentration is low. Losing any single customer is unlikely to be financially material, although losing a large bank or a large merchant platform could still have reputational and network effects.

I do not name specific top customers here because no such names are reliably drawn from the filings without risk of fabrication. If a specific customer is required for the analysis, pull the 10-K business section and investor-day materials directly; needs primary source validation for any specific large-client name.

• Main Street SMB merchant: buys Clover from a bank or independent sales organization; pays monthly software plus processing fees; values simplicity and integrated payments.
• Enterprise treasurer/payments executive: buys Carat for omnichannel orchestration; values uptime, fraud control, global reach, and detailed reporting.
• Bank/credit union CIO/COO: buys core processing and digital banking; values regulatory compliance, uptime, product breadth, and migration risk minimization.
• Billers: buy CheckFree bill-payment connectivity; value reach and reliability.
• Fintech product leader: buys embedded payments; values developer-friendly APIs and speed to market.

Source: [FSV-10K-2023]; buyer archetypes are inferred from product descriptions and revenue streams, not quoted directly from the filing.

• FY2025 revenue $21.193B; operating income $5.818B (27.5% OM); net income attributable $3.48B (XBRL companyfacts, form 10-K, end 2025-12-31).
• Q2 2026 GAAP revenue $5.292B (−4% vs $5.516B); H1 $10.319B (−3% vs $10.646B). Q2 GAAP operating income $1.015B; H1 $1.933B. Q2 net income attributable $627M; H1 $1.198B (10-Q / companyfacts, filed 2026-08-07).
• Q2 adjusted revenue $4.96B (−4%); organic −5% (Merchant −1%, Financial −8%). Adj EPS $1.84 (−26%); adj operating margin 31.8% vs 39.6%. Adj operating income $1.580B vs $2.059B. H1 FCF $1.36B vs $1.54B; H1 operating cash flow $2.08B vs $2.31B (8-K EX-99.1, 2026-08-06).
• FY2026 outlook cut to organic (1%) to 0% and adj EPS $7.20–$7.40 (same EX-99.1).

Financial Solutions organic revenue −8% Q2 2026, broken down by business line (10-Q):

Merchant Solutions held at −1% organic ($2,608M vs $2,644M). The bottleneck is not the merchant toll — it is the bank-side (issuer + core) franchise shrinking organically, the exact half of the thesis that carried the highest margins (48.7% → 38.7% adjusted op margin).

Adjusted operating margin fell 39.6% → 31.8% (−780 bps) Q2. The named costs:

• One Fiserv transformation expenses: $187M Q2 / $329M H1 (vs $0 prior year) — an AI-enabled "operational excellence" restructuring.
• Severance: $40M Q2 / $113M H1 (vs $14M/$29M).
• Adjusted EPS $1.84 Q2 (−26%), $3.63 H1 (−21%).

Read: ~$187M of Q2 adjusted-margin compression is self-inflicted restructuring, not competitive loss. If the program delivers, a meaningful slice of the −780 bps is reversible; if it doesn't, the margin reset is permanent.

Fiserv's "Banking" (core processing) line annualizes to ~$2.3B ($578M × 4). Bank core conversions run 3–5× annual contract value in total cost (parallel run + data migration + re-certification + staff retraining), and take 2–5 years. Even at the conservative 3× floor, a mid-tier bank paying ~$1–2M/yr faces a ~$3–6M+ all-in switching cost — which is why core churn is low-single-digit %/yr rather than wholesale. This is the durable half of the moat; it does not protect the issuer-processing line, where −10.5% organic shows churn/pricing pressure is already happening.

Market cap $28.4B; EV $56.7B (net debt ≈ $28.03B − $0.63B cash ≈ $27.4B). 52-week range $47.04–$140.42 → the equity is −62% off its high. Forward P/E ≈ 7.2× (adj EPS midpoint $7.30), EV/EBITDA ≈ 7.0×. A "safe compounder" toll-road trades at 15–20× forward; 7× is the market pricing a declining-grower with high leverage (debt/EBITDA ≈ 3.6×). The variant-perception question: is the de-rating a broken-toll-road verdict, or a transformation-trough mispricing?

W1 — Financial Solutions organic decomposition (10-Q business lines, $ millions).

The EX-99.1 organic print (Financial −8%, Merchant −1%) matches the GAAP business-line table to ~30 bps. The scarce half of the thesis (issuer + core) is the half that is shrinking.

W2 — Cost of the transformation vs cash the moat still throws off (EX-99.1).

One Fiserv transformation expenses $187M Q2 / $329M H1; severance $40M Q2 / $113M H1. Combined H1 self-inflicted spend $442M. H1 FCF $1.36B → transformation+severance = 32.5% of H1 FCF and 4.3% of H1 GAAP revenue ($10.319B). Adj OM 39.6% → 31.8% = −780 bps; $187M is 11.8% of Q2 adj operating income ($1.580B). If the program delivers, a slice of the −780 bps is reversible; if it does not, the margin reset is the new run-rate.

W3 — Switching-cost floor on the Banking line (derived + industry-standard conversion, flagged).

Banking Q2 $578M annualizes to $2.312B. Bank-core conversions run 2–5 years with parallel-run + data-migration + re-certification costs commonly modeled at 3–5× annual contract value [inferred, industry-standard; Flagstar's own "phased conversions" language is the measured corroboration]. Even at 3×, a $2M/yr mid-tier core sits behind a ~$6M switching bill — which is why core churn is low-single-digit, and also why Flagstar's Finxact win will not re-accelerate 2026 organic (it is a 2027–2029 conversion).

W4 — Leverage vs FCF (10-Q / EX-99.1 / companyfacts).

Long-term debt $26.679B + current maturities $1.207B = $27.886B; cash $627M → net debt $27.259B (06-30-2026). H1 FCF $1.36B annualizes ~$2.72B → net-debt / annualized-FCF ≈ 10.0×. Carrying value of total debt ex finance leases $25.5B (10-Q). Buybacks slowed to $100M Q2 / $300M H1 (1.7M / 5.0M shares) — cash is being conserved, not compounding the equity.

W5 — Flagstar revealed-preference (GlobeNewswire 2026-08-17).

Flagstar: $87.7B assets, $67.5B deposits, $8.1B equity, ~340 locations, nine states. Selecting Finxact as the single consolidated core is a named, dated win for the Banking line. Contract value is not disclosed — do not treat it as a 2026 organic offset. It is evidence the core platform still clears a large-bank bake-off; it does not reverse Issuing −10.5%.