au Financial Holdings (au-FH)

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This entry sits under megabanks INDEX. Read it against PayPay Financial Group for peer / contrast context and banking index for the broader system / regulatory boundary.

TL;DR

A KDDI 100% subsidiary and the holding company of the KDDI financial economic sphere. Established 2019-04-01. Under its umbrella are au Jibun Bank / au PAY Card / au PAY / au PAY Sonpo (general insurance) / au Asset Management, etc. 2025-01-31 it acquired all shares of au Jibun Bank from MUFG (in exchange, it sold the former au Kabucom Securities → Mitsubishi UFJ e-Smart Securities to MUFG) → the bank’s 100% subsidiary conversion was completed. FY2026/3 operating profit 432 億円 (prior period 406 億円, +6.4% / CAGR FY2023+ 30.4%), total assets approx. 9.3 兆円. 2026-05-12 KDDI made an official timely disclosure of the start of TSE-listing preparations for auFH — the first IPO candidacy among telco-affiliated FGs (timing undecided; KDDI plans to remain a major shareholder even after listing). Via au Ponta + the 2024-07 Lawson 50/50 JV, it builds a “telecom × convenience store × finance” ecosystem. On 2026-06-18, all 14,726,100 Lifenet shares held by auFH (18.32% of issued shares / 18.33% of voting rights) were transferred to JAL, so auFH ceased to be Lifenet’s major shareholder while the business alliance continues under a new agreement.^↗↗ One of the four poles of telco-affiliated FGs (ndfg / au-FH / paypay-fg / rakuten-fg).^•

1. Company overview

Legal name: au フィナンシャルホールディングス株式会社 ^• English name: au Financial Holdings Corporation Established: 2019-04-01 (newly set up to integrate KDDI’s financial businesses) ^• Head office: Iidabashi, Chiyoda-ku, Tokyo ^• Parent company: KDDI Corporation (100%) ^• Positioning: Core company of the “financial business” within KDDI’s Personal segment ^• Listing: Unlisted (KDDI wholly-owned subsidiary) → 2026-05-12 KDDI made an official timely disclosure of the start of TSE-listing preparations (timing undecided; KDDI plans to remain a major shareholder even after listing) ^• Total assets: approx. 9.3 兆円 (2026-03 term, value disclosed at the time of the listing-preparation announcement) ^•

KPI results (based on KDDI official IR / au Jibun Bank official PR)

au Financial Holdings standalone operating profit ^•

Main business KPIs (latest disclosed values) ^•

Parent company KDDI consolidated (reference) ^•

Major subsidiaries / holdings (based on public information)

au Financial Holdings (unlisted, KDDI 100%, total assets 9.3兆円, TSE-listing preparation underway)
  ├── au Jibun Bank (100%) ── net bank, 2025-01-31 MUFG → KDDI 100% conversion completed
  │     ※ Former name: Jibun Bank (established 2008 , KDDI 50% + Bank of Tokyo-Mitsubishi UFJ 50% joint venture)
  │       → 2020-05 renamed "au Jibun Bank" → 2025-01-31 KDDI 100% conversion
  │       → 2025-08 deposit balance surpassed 5兆円 / 2025-09 口座count surpassed 700万
  ├── au Payment Corporation (100%) ── operates QR / barcode payment au PAY
  ├── au PAY Card Corporation (100%) ── formerly KDDI Financial Service
  │     ※ Gold members 172万 (FY26/3)
  ├── au Financial Service Corporation (100%) ── money lending (personal loans)
  ├── au PAY Sonpo (General Insurance) Corporation (100%) ── formerly au Sonpo (originated as a KDDI + Aioi Nissay Dowa Insurance JV)
  ├── au Asset Management Corporation (100%) ── investment-trust management

 【departed from under au-FH (2025-01-31)】
   Former au Kabucom Securities → MUFG 100% conversion → renamed "Mitsubishi UFJ e-Smart Securities"

【Capital relationship dissolved (2026-06-18)】
   Lifenet Insurance Corporation ── all 14,726,100 shares held by auFH were transferred to JAL. auFH is no longer the major-shareholder / equity-method route, while the KDDI group business alliance continues.↗↗

Note on entity sorting: “au Kabucom Securities” was sold to MUFG on 2025-01-31 and renamed “Mitsubishi UFJ e-Smart Securities”. On the same date, the au Jibun Bank shares held by MUFG were transferred to KDDI. au-FH’s securities business is in a blank state (as of 2026-05 , no official announcement of rebuilding a new securities function / partnership).

Key chronology (excerpt) ^•

Chronology topics

Jibun Bank swap (2025-01-31): established 2008-06 as a KDDI 50% + Bank of Tokyo-Mitsubishi UFJ 50% JV, dissolving a joint-venture relationship of 17 years. On the same date, MUFG sold its holding 50% to KDDI, completing the KDDI 100% subsidiary conversion. In exchange, MUFG acquired the former au Kabucom Securities (under au-FH) and turned it into “Mitsubishi UFJ e-Smart Securities”. In this cross-transaction accompanying both firms’ financial-strategy realignment, KDDI chose to “place the bank at the core and let go of securities”. ^•

2026-05-12 IPO-preparation announcement: KDDI released the official timely disclosure “Regarding the Start of Preparations for Listing the Shares of au Financial Holdings Corporation on the Tokyo Stock Exchange”. Bloomberg / Nikkei / Keitai Watch also reported it the same day. The first IPO candidacy as a telco-affiliated FG. A strategy to independently disclose to the market a financial platform with total assets 9.3 兆円 and FY26/3 operating profit 432 億円 (CAGR +30.4%). ^•

2. Business-segment map

Strategic core: telecom × convenience store × finance economic sphere + IPO independence

• au Ponta points: 2020-09 took in Ponta via a KDDI + Mitsubishi Corporation + Loyalty Marketing 3 社 alliance, turning it into a common-point base ^•
• Lawson joint management (announced 2024-02 / completed 2024-07 ): Mitsubishi Corporation 50% + KDDI 50% Joint Ownership. Uses the network of approx. 14,000 店 convenience stores as touchpoints for au PAY / financial services. The FY26/3 1Q equity-method P&L was ▲44 億円 (second-half growth factored in) ^•
• au PAY Market (former Wowma!): a recurring economic sphere of EC + au PAY + Ponta
• TSE IPO preparation (announced 2026-05-12): securing an independent fundraising channel, improving management independence / transparency, and gaining market valuation as a financial group. KDDI remains a major shareholder. ^•
• Deposit-loan-ratio-focused strategy: in a rising-rate environment, “a shift from mortgage dependence to a strategy mindful of deposit-funding competition” (KDDI 2Q briefing) ^•

Competitive position: the 4 poles of telco-affiliated FGs

Alliances / M&A

• MUFG alliance dissolution (2025-01-31): dissolution of a 17 -year joint venture; the bank converted to a KDDI 100% subsidiary ^•
• Mitsubishi Corporation linkage (Lawson + Ponta): 2020 points linkage → 2024 relationship deepened through Lawson joint management ^•
• Aioi Nissay Dowa Insurance: the former JV partner of au Sonpo (now au PAY Sonpo)
• Lifenet Insurance (TSE Prime 7157): online insurer partnered with the KDDI group since 2015. On 2026-04-30, auFH announced the planned transfer of all 14,726,100 shares it held (18.32% ownership stake) to JAL, and the transfer was completed on 2026-06-18. After the change, auFH’s voting rights and shares held are both shown as “-”, so it is no longer Lifenet’s major shareholder.^↗↗

4. Regulation / policy

• Supervisor: Financial Services Agency (FSA)
  • Banking business: Banking Act (au Jibun Bank)
  • Funds transfer / prepaid payment instruments: Payment Services Act (au PAY)
  • Insurance business: Insurance Business Act (au PAY Sonpo)
  • Financial Instruments and Exchange Act: investment trust / asset management
• Recent policy issues:
  • 2026〜 TSE-listing preparation: responding to listing-examination standards (corporate governance / disclosure granularity) ^•
  • 2025〜 My Number Card × bank-account linkage (au Jibun Bank My Number application rate surged 28%→86%) ^•

Related

• mufg · ndfg · paypay-fg · rakuten-fg · smfg · ssnb
• mercari-bank-license-stack · minna-bank-baas-model

Sources

• KDDI Corporation “2026 年 3 月-term earnings” (2026-05-12 official IR) https://newsroom.kddi.com/ir-news/detail/kddi_ir-1148_4471.html
• KDDI Corporation “Regarding the Start of Preparations for Listing the Shares of au Financial Holdings Corporation on the Tokyo Stock Exchange” (2026-05-12 timely disclosure) https://newsroom.kddi.com/ir-news/assets/2026/kddi_ir-1149_4470/kddi_ir-1149_4470_pdf_01.pdf
• au Financial Holdings “Regarding the Start of Listing Preparations” (2026-05-12) https://www.au-financial.com/pdf/auFH/news_20260512_02.pdf
• KDDI 2026 年 3 月-term earnings report (IFRS consolidated) (2026-05-12) https://www.kddi.com/extlib/files/corporate/ir/library/presentation/2026/pdf/kddi_2026_4qc_PsXBu3.pdf
• KDDI 2026 年 3 月-term earnings briefing main material (2026-05-12) https://www.kddi.com/extlib/files/corporate/ir/library/presentation/2026/pdf/kddi_260512_main_T8v6VV.pdf
• Dempa Shimbun Digital “KDDI: the 26 -year 3 -month period saw revenue and profit growth” (confirming auFH operating profit 432 億 → prior period 406 億) https://dempa-digital.com/article/715282
• STOCK EXPRESS “KDDI earnings announcement: record-high profit updated” (confirming auFH listing preparation / CAGR 30.4%) https://stockexpress.jp/kddi20260512/
• au Jibun Bank “Deposit balance surpassed 5 兆円” (2025-08-06) https://www.jibunbank.co.jp/corporate/news/2025/0812_01.html
• au Jibun Bank “Deposit-account count surpassed 700 万” (2025-09-20) https://www.jibunbank.co.jp/corporate/news/2025/0912_01.html
• Wikipedia: auフィナンシャルホールディングス (extracted 2026-05-19) https://ja.wikipedia.org/wiki/auフィナンシャルホールディングス
• Wikipedia: auじぶん銀行 (extracted 2026-05-19) https://ja.wikipedia.org/wiki/Au%E3%81%98%E3%81%B6%E3%82%93%E9%8A%80%E8%A1%8C
• au Financial Holdings / Lifenet Insurance “Notice Regarding Change in Major Shareholder of LIFENET Insurance and Execution of New Business Alliance Agreement” (2026-04-30; auFH decided to transfer all 14,726,100 shares / 18.32% to JAL) https://www.au-financial.com/pdf/auFH/news_20260430_01.pdf
• Lifenet Insurance “Notice Concerning Completion of Acquisition of Shares of Common Stock of the Company by Japan Airlines Co., Ltd. and Change in Major Shareholder” (2026-06-18; JAL acquisition completed; auFH has no shares after the change) https://ir.lifenet-seimei.co.jp/ja/news/index/auto_20260618573585/pdfFile.pdf
• Lifenet Insurance IR “Shareholder / share information (share status)” (checked 2026-06-25; note that all common shares held by auFH were transferred to JAL on 2026-06-18) https://ir.lifenet-seimei.co.jp/ja/ir/stock/overview.html

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[!info] Verification status confidence: likely (v1.3 KDDI / auFH official IR FY26/3 + au Jibun Bank official PR + 2026-05-12 IPO timely disclosure + Lifenet Insurance 2026-06-18 IR, re-verified 2026-06-25). Because au-FH standalone remains unlisted, revenue is not separately disclosed and only operating profit is published (FY26/3 432 億円, CAGR +30.4%). Total assets 9.3 兆円, au Jibun Bank deposits 5 兆円 / accounts 700 万 are official figures. 2026-06-25 correction: the Lifenet stake was fully transferred to JAL on 2026-06-18, so auFH is no longer the largest-shareholder / equity-method route for Lifenet. Most important: the 2026-05-12 official announcement of TSE-listing preparation — the first IPO candidacy among telco-affiliated FGs — timing / market section / fundraising scale are all undecided and require continued scrutiny. The blanking of the securities business is a fact (as of 2026-05, no official announcement of rebuilding). The assessment of the stablecoin Progmat linkage is isolated to .opinions.