NMI Holdings Inc.

source: coverage-next-full ticker: NMI step: "01" title: Business Overview created: 2026-05-29

Step 01 — Business Overview: NMI Holdings, Inc. (NMIH)

Company Identity

NMI Holdings, Inc. (NASDAQ: NMIH) is the holding company for National Mortgage Insurance Corporation (National MI), a private mortgage insurer (PMI) licensed to write coverage in all 50 states and the District of Columbia. Founded in 2012 and publicly listed in November 2013, NMI is the youngest of the six active private mortgage insurers in the United States.

What NMI Does

NMI writes private mortgage insurance policies that protect lenders (and the GSEs — Fannie Mae and Freddie Mac) from credit losses when homebuyers default on conventional mortgages with loan-to-value (LTV) ratios above 80%. Under GSE selling guidelines, any conforming mortgage with LTV >80% must be credit-enhanced — either via PMI from an approved private mortgage insurer, or via FHA/VA government programs.

The economic transaction: A borrower putting down less than 20% on a home purchase pays a monthly PMI premium (typically 0.3–1.5% of loan balance annually) to the lender/GSE. NMI receives that premium as a net premium earned on its insurance-in-force (IIF) portfolio. When borrowers default, NMI pays claims. The spread between premiums collected and claims paid is NMI's core operating profit.

Business Model Architecture

Home Buyer (LTV >80%)
      ↓ PMI premium
National MI (NMI Holdings)
      ↓ net premium retained
      → Invests float in fixed-income securities (investment income)
      → Cedes risk to reinsurers via ILNs/quota share (reduces required capital)
      → Pays claims on defaults
      → Returns excess capital via buybacks

Revenue components:

1. Net Premiums Earned (NPE) — ~85% of revenue: Monthly policy premiums on the in-force portfolio, net of reinsurance cessions. FY2025: $602.2M.
2. Net Investment Income — ~15% of revenue: Earnings on the ~$3.1B fixed-income investment portfolio. FY2025: $102.9M.

Single Reportable Segment

NMI operates as a single reportable segment: private mortgage insurance. There are no ancillary businesses (no title insurance, no real estate services). This simplifies analysis relative to peers like Radian Group, which has diversified into Real Estate Services.

Post-Crisis Origin: A Strategic Advantage

NMI was established by a team of experienced mortgage insurance executives in 2012 — specifically to create a "clean slate" private mortgage insurer after the financial crisis. This post-crisis founding creates a meaningful structural advantage:

1. No Legacy Book: NMI has zero exposure to pre-2008 vintage policies that caused massive losses at MGIC and Radian during the GFC.
2. Modern Technology Stack: Built on contemporary insurance platforms without legacy IT debt.
3. Conservative Underwriting DNA: Designed from inception with post-GFC regulatory standards; "Premier" underwriting strategy targeting higher-FICO, lower-LTV loans.
4. Cultural Alignment: Management team (many of whom were burned by the GFC at prior employers) built the company with a low-default philosophy.

Market Position

NMI has grown from zero policies in 2012 to the 4th-5th largest PMI by new insurance written, achieving record IIF levels every year in recent history.

Regulatory Framework

NMI operates under the oversight of:

• FHFA PMIERs (Private Mortgage Insurer Eligibility Requirements): Sets minimum capital requirements for GSE-approved PMIs. NMI must maintain PMIERs Available Assets at ≥100% of PMIERs Required Assets (PMIERs ratio). At FY2025 year-end: $3.5B available vs. $2.1B required = 167% ratio with $1.4B excess.
• State Insurance Departments: Licensed by each state; premium rates approved by regulators.
• GSE Master Policy Requirements: Fannie Mae and Freddie Mac each impose master policy standards that PMIs must accept to remain eligible to insure GSE loans.

Growth Trajectory

Revenue has grown from effectively zero ($0.3M in 2012) to $706M in FY2025, representing one of the most rapid revenue ramps in the PMI sector's history.

Key Operating Metrics (FY2025)

Summary

NMI Holdings is a pure-play private mortgage insurer with a clean, post-GFC book, conservative underwriting, and a strong capital position. Its youngest-book advantage and lean operating model (225 employees supporting $221B of insured exposure) create a structurally superior loss ratio potential versus legacy peers, while the capital-light model supports high ROE and consistent buyback activity.

source: coverage-next-full ticker: NMI step: "04" title: Financial Snapshot created: 2026-05-29

Step 04 — Financial Snapshot: NMI Holdings, Inc. (FY2021–FY2025)

Income Statement Overview

Note: FY2021-FY2022 NPE and NII are estimates from XBRL gross premiums and interpolation; FY2023-FY2025 from SEC XBRL direct.

Key Insurance Ratios

Key observations:

• Combined ratio below 30% for the entire 5-year period — exceptional underwriting profitability
• Loss ratio rising (FY2024: 5.6% → FY2025: 9.6%) reflects credit cycle normalization from historic lows
• Expense ratio declining (FY2021: ~25% → FY2025: 19.9%) reflects operating leverage — headcount stays flat while IIF grows

EPS Growth Analysis

EPS has grown at a 16.7% CAGR over 4 years (FY2021-FY2025), significantly exceeding revenue growth (9.9% CAGR) due to: (1) expanding operating margins as the expense ratio declines, (2) shrinking share count via buybacks (~10% fewer shares outstanding in FY2025 vs. FY2021).

Balance Sheet Snapshot

Balance sheet characteristics:

• Investment-heavy: 82% of assets in fixed-income securities (typical for PMI)
• Low financial leverage: $418M LT debt against $2.6B equity = 16% debt-to-equity
• Reserves growing: $99.8M (FY2022) → $196.4M (FY2025); reflects growing IIF and normalizing defaults
• Book value compounding: ~16% CAGR in equity base driven by retained earnings

PMIERs Capital Position

The PMIERs ratio of 167% places NMI well above the regulatory minimum (100%) and above the typical industry operating target (~150%). The $1.4B excess provides significant buffer for stress scenarios.

Cash Flow Characteristics

Free cash flow conversion is exceptional for an insurance company — premiums collected are cash in, claims are cash out, with minimal capex requirements. FCF per share exceeds EPS because non-cash depreciation and share-based comp are add-backs.

Profitability Benchmarks

NMI's profitability profile reflects the unique economics of PMI: premiums are collected monthly, claims are episodic (not frequent), and there are no physical loss events (unlike P&C). The business is almost purely a financial function.

Adversarial Accounting Review

No significant red flags identified:

• Revenue recognition: Straightforward premium accrual, no complex arrangements
• Reserve adequacy: Loss reserves growing in line with IIF and default rates; no unusual adjustments
• Goodwill/intangibles: None material — no acquisition history
• Related-party transactions: None identified from public filings
• Earnings quality: FCF margin exceeding net margin is a positive signal; no aggressive accruals
• Short reports/investigations: None identified

One flag of note: Rising loss reserves ($99.8M FY2022 → $196.4M FY2025, nearly doubling) reflects credit cycle normalization, not an accounting issue. The reserve growth is consistent with rising delinquency rates and claims experience.

Valuation Context (May 2026)

NMI trades at a significant discount to its EPS-implied intrinsic value (7x forward earnings for a business compounding book at 16% ROE is anomalously cheap). The discount reflects market concerns about credit cycle normalization and housing market sensitivity.