AFLAC INC

AFL· FY2025 10-K· Analyzed 1 mo ago
PASS
Growth Rates — CAGR from SEC 10-K XBRL filings
Revenue
-1.9%
FY2015–2025
Net Income
3.7%
FY2015–2025
Free Cash Flow
EPS (Diluted)
8.8%
FY2015–2025
Latest Metrics — FY2025 · SEC XBRL
Return on Equity
12.4%
NI ÷ Equity
Return on Assets
3.1%
NI ÷ Assets
Net Profit Margin
21.2%
NI ÷ Revenue
Debt / Equity
LT Debt ÷ Equity
Intrinsic Value Estimate — DCF (10% discount · 3% terminal · FCF growth capped 15%)
Total Business Value
$36.3B
Per Share (approx.)
$70.08
25% Margin of Safety
$52.56
Conservative entry
50% Margin of Safety
$35.04
Buffett's ideal entry
Growth Rate Used
-1.9%
Latest FCF
$3.5B

Berkshire requires a 25–50% discount to intrinsic value before buying.

Buffett Quality Checklist
ROE >15% consistently (≥7 of last 10 years)
Free cash flow positive (≥8 of last 10 years)
Conservative leverage — Debt/Equity below 1
Revenue growing at CAGR >5%
EPS growing at CAGR >5%
10-Year Financial History — SEC EDGAR 10-K Filings
YearRevenueNet IncomeFCFOwner EarningsROENet MarginLT DebtCash
2016$22.6B$2.7B13.0%11.8%$4.9B
2017$21.7B$4.6B18.7%21.2%$3.5B
2018$21.8B$2.9B12.4%13.4%$4.3B
2019$22.3B$3.3B11.4%14.8%$4.9B
2020$22.1B$4.8B14.2%21.6%$5.1B
2021$21.6B$4.2B24.8%19.6%$5.1B
2022$19.1B$4.4B21.9%23.1%$3.9B
2023$18.7B$4.7B21.2%24.9%$4.3B
2024$18.9B$5.4B20.9%28.8%$6.2B
2025$17.2B$3.6B12.4%21.2%$6.2B
Warren & Charlie
Buffett / Munger — quality, moat & valuation

AFLAC INC (AFL) — Investment Memo

🐂 The Bull Case (Warren's voice)

  • The Float Machine: Aflac isn't just an insurance company; it's a low-cost capital acquisition vehicle. They collect premiums upfront and earn a spread on the "float" through a diversified portfolio of bonds and equities. This is the Berkshire blueprint.
  • The Japanese Toll Bridge: The moat in Japan is exceptional. By embedding themselves into the payroll deduction systems of the Japanese workforce, they have created a "habit" business. It is far easier to keep a customer via payroll than to acquire one via a sales call.
  • Operating Leverage: The numbers show a rare and beautiful trend: Revenue is shrinking ($22.6B$17.2B) while Net Income is climbing ($2.7B$3.6B). They are shedding low-margin weight and expanding margins from 11.8% to 21.2%. They are doing more with less.
  • Disciplined Capital Allocation: No "diworse-ification." No empire-building acquisitions. They focus on the portfolio and returning cash to shareholders via buybacks. They act like owners, not managers.
  • Attractive Range: This becomes a "no-brainer" if the price drops to a level where the yield on the float exceeds the cost of equity significantly—specifically, anywhere near $60.00 or below.

🐻 The Bear Case (Charlie inverts)

  • The Demographic Cliff: Aflac is heavily bet on Japan. Japan is an aging society with a shrinking population. If the workforce collapses or the "payroll habit" breaks because there are no more workers to enroll, the moat isn't just breached—it evaporates.
  • The Interest Rate Trap: The "magic" of the earnings growth is likely tied to the investment portfolio (Fixed Maturities/Commercial Loans). A systemic credit event or a permanent return to negative interest rates in Japan would crush the spread. If the float stops earning, the business is just a claims-paying machine.
  • The Regulatory Stroke of a Pen: Aflac exists in the "supplemental" niche. If the Japanese or US governments expand state-sponsored medical coverage to include these specific niches, Aflac’s product becomes a redundant expense.
  • Most Likely Failure: Demographic collapse in Japan. Timeframe: 10–20 years. It is a slow-motion train wreck that can't be fixed by better management.

💰 Valuation & Margin of Safety

The DCF is conservative, assuming negative FCF growth, which reflects the demographic headwinds.

  • Intrinsic value estimate: $70.08 per share
  • 25% margin of safety entry: $52.56 (conservative)
  • 50% margin of safety entry: $35.04 (Buffett's ideal)
  • Current Status: Expensive. If the market price is anywhere above $70.08, we are paying for growth that the DCF suggests isn't coming. We are paying a premium for a moat that is slowly shrinking in size.

Verdict: PASS

The business is high-quality, but the price is disconnected from the intrinsic value of $70.08. While the moat is durable, the demographic inversion in Japan creates a structural ceiling on long-term growth. We wait for a panic to bring the price toward $52.00.

Other Analyst Views· Lynch · Damodaran
Research Notes· Money Model · Moat · Financials · Management

Data sourced from SEC EDGAR XBRL filings (10-K only). For educational purposes — not investment advice.