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What is RKB MAINICHI HOLDINGS Corp. stock?

9407 is the ticker symbol for RKB MAINICHI HOLDINGS Corp., listed on FSE.

Founded in Oct 1, 1964 and headquartered in 1951, RKB MAINICHI HOLDINGS Corp. is a Broadcasting company in the Consumer services sector.

What you'll find on this page: What is 9407 stock? What does RKB MAINICHI HOLDINGS Corp. do? What is the development journey of RKB MAINICHI HOLDINGS Corp.? How has the stock price of RKB MAINICHI HOLDINGS Corp. performed?

Last updated: 2026-05-14 19:20 JST

About RKB MAINICHI HOLDINGS Corp.

9407 real-time stock price

9407 stock price details

Quick intro

RKB MAINICHI HOLDINGS Corp. (9407) is a Fukuoka-based certified broadcasting holding company. As Kyushu's first commercial broadcaster, its core business spans television and radio broadcasting (TBS network), alongside system development and real estate.
For the fiscal year ending March 2025, the company reported strong growth, with nine-month net sales reaching ¥23.14 billion (up 37.2% YoY). Driven by robust system-related and lifestyle segments, full-year ordinary income forecasts were upgraded to ¥1.6 billion.

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Basic info

NameRKB MAINICHI HOLDINGS Corp.
Stock ticker9407
Listing marketjapan
ExchangeFSE
FoundedOct 1, 1964
Headquarters1951
SectorConsumer services
IndustryBroadcasting
CEOrkb.jp
WebsiteFukuoka
Employees (FY)694
Change (1Y)+42 +6.44%
Fundamental analysis

RKB MAINICHI HOLDINGS Corp. Business Introduction

RKB MAINICHI HOLDINGS Corp. (TYO: 9407) is a prominent Japanese media conglomerate based in Fukuoka. As the first commercial broadcasting station in Kyushu, it serves as the regional powerhouse for the Japan News Network (JNN), affiliated with TBS Television.

Business Summary

The company operates as a certified broadcasting holding company. Its primary mission is to provide high-quality information and entertainment to the Fukuoka and Kyushu regions while diversifying its revenue streams beyond traditional airtime sales. As of the fiscal year ending March 2024, the group integrates broadcasting, digitalization, and real estate management into a cohesive corporate ecosystem.

Detailed Business Modules

1. Media and Content Business (Broadcasting):
This is the core segment, operated by RKB Mainichi Broadcasting Corp. It encompasses television and radio broadcasting. RKB TV is a TBS affiliate, while RKB Radio is affiliated with both JRN and NRN networks. The segment generates revenue through "Time CM" (sponsorship of specific programs) and "Spot CM" (advertisements between programs).

2. System Development Business:
The group leverages its technical expertise through subsidiaries like RKB C&C. They provide IT solutions, system integration, and software development for medical institutions, government offices, and other private enterprises, reducing the company’s reliance on the fluctuating advertising market.

3. Real Estate and Parking Business:
The company manages significant real estate assets, including the RKB Broadcasting Center and various commercial properties in Fukuoka. This segment provides a stable, recurring "base" of cash flow that buffers the volatility of the media industry.

4. Event and Leisure Business:
RKB organizes large-scale regional events, concerts, and cultural exhibitions, capitalizing on its media presence to drive attendance and sponsorship.

Core Competitive Moat

· Regional Monopoly Power: As one of the few licensed commercial broadcasters in the lucrative Fukuoka market (Japan's 5th largest city), RKB enjoys high barriers to entry due to spectrum licensing.
· Strong Brand Trust: With over 70 years of history, the "RKB" brand is a household name in Kyushu, essential for local advertisers targeting the region's 5 million+ residents.
· Synergistic Portfolio: Unlike pure-play broadcasters, RKB’s integration of IT services and real estate creates a financial safety net and data-driven growth opportunities.

Latest Strategic Layout

RKB is currently executing its "Digital Transformation (DX) Strategy." This involves expanding its "RKB Online" digital portal, enhancing its presence on social media and streaming platforms (like TVer), and investing in 4K/8K production capabilities. Furthermore, the company is focusing on "Hyper-Local" content to differentiate itself from national streaming giants.

RKB MAINICHI HOLDINGS Corp. Development History

The history of RKB Mainichi Holdings is a narrative of pioneering the Japanese private broadcasting landscape and evolving into a diversified holding company.

Development Phases

1. The Pioneering Era (1951 - 1960s):
In 1951, Radio Kyushu (RKB) began its first radio broadcasts as the first commercial station in Kyushu. In 1958, it launched television broadcasting. This period was characterized by rapid infrastructure building and establishing the "Mainichi" partnership (Mainichi Shimbun).

2. Consolidation and Color Broadcasting (1970s - 1990s):
The company moved to its iconic headquarters in Momochihama, Fukuoka, in 1996. During these decades, RKB transitioned to full-color broadcasting and expanded its FM radio footprint, becoming the dominant media voice in Northern Kyushu.

3. The Digital Transition (2000s - 2015):
In 2006, RKB launched digital terrestrial broadcasting. Facing the rise of the internet, the company began diversifying into system development and software services to offset the gradual decline in traditional TV viewership.

4. Holding Company Transformation (2016 - Present):
On April 1, 2016, the company transitioned to a certified broadcasting holding company structure. This allowed for more flexible capital allocation, easier M&A activity, and a clearer separation between media operations and asset management.

Success Factors and Challenges

Success Factors: Early adoption of technology and a strong alliance with the Mainichi Shimbun and TBS networks provided a content and news-gathering edge. Its early investment in the "Momochihama" real estate area proved to be a masterstroke in asset appreciation.
Challenges: Like all regional broadcasters, RKB faces the "Media Bifurcation" challenge, where younger audiences shift from TV to digital platforms (YouTube/Netflix), necessitating a radical rethink of the traditional ad-based model.

Industry Introduction

The Japanese regional broadcasting industry is undergoing a structural shift. While traditional TV remains a powerful medium for reaching older demographics, the industry is pivoting toward "Multi-Platform" delivery.

Industry Trends and Catalysts

· Connected TV (CTV) Growth: Integration with platforms like TVer is allowing regional stations to reach audiences outside their physical transmission area.
· Regional Revitalization: The Japanese government’s focus on regional economic growth acts as a catalyst for local ad spending.
· Consolidation: The Ministry of Internal Affairs and Communications (MIC) has relaxed ownership rules, encouraging regional stations to form holdings to share costs.

Competitive Landscape and Market Position

In the Fukuoka market, RKB competes primarily with Kyushu Asahi Broadcasting (KBC), Television Nishinippon (TNC), and TVQ Kyushu Broadcasting.

Fukuoka Terrestrial TV Market Share (Approximate Ad Revenue Basis)
Company Network Affiliate Estimated Position
RKB Mainichi JNN (TBS) Tier 1 (Market Leader/Pioneer)
KBC (Kyushu Asahi) ANN (Asahi) Tier 1 (Strong Rival)
TNC (TV Nishinippon) FNN (Fuji) Tier 1 (High Viewership)
TVQ Kyushu TXN (Tokyo) Tier 2 (Niche/Specialized)

Industry Status of RKB

RKB is regarded as one of the "Big Three" in the Fukuoka media market. According to recent financial reports (FY2024), RKB maintains a strong balance sheet with a high equity ratio (consistently above 70%), which is significantly higher than many Tokyo-based media outlets. This financial stability marks it as a "Value Stock" in the Japanese equity market, characterized by steady dividends and low debt.

Financial data

Sources: RKB MAINICHI HOLDINGS Corp. earnings data, FSE, and TradingView

Financial analysis
This financial analysis and growth potential report for RKB Mainichi Holdings Corp. (9407) is based on the latest financial disclosures (FY2024 results and FY2025 forecasts) and market analysis.

RKB MAINICHI HOLDINGS Corp. Financial Health Rating

RKB Mainichi Holdings demonstrates a very stable financial position, characterized by an exceptionally high equity ratio and a robust net cash position. While profitability (ROE) is relatively modest compared to aggressive growth stocks, its capital efficiency is improving.

Metric Latest Data (FY2024/FY2025 Projection) Score Rating
Solvency (Equity Ratio) 71.0% (as of March 2025) 95 ⭐️⭐️⭐️⭐️⭐️
Liquidity (Current Ratio) 3.38x 90 ⭐️⭐️⭐️⭐️⭐️
Profitability (ROE) 2.76% (Actual) / 2.0% (FY25 Proj.) 55 ⭐️⭐️
Debt Management Debt/Equity Ratio: 0.04 98 ⭐️⭐️⭐️⭐️⭐️
Overall Financial Health Weighted Average Score 84.5 ⭐️⭐️⭐️⭐️

Data Source: Tokyo Stock Exchange (TSE) Disclosures, StockAnalysis.com, and FY2025 Financial Summary (Kessan Tanshin).


RKB MAINICHI HOLDINGS Corp. Development Potential

1. Strategic Expansion into New Business Frontiers

The company is actively diversifying away from traditional broadcasting to mitigate the decline in TV advertising. A notable "New Business" catalyst is the on-shore salmon farming project in Munakata. Despite initial construction costs leading to short-term operating losses in the "Other" segment, this represents a long-term ESG-compliant sustainability play. Furthermore, the 2024 strategic capital alliance with Fun Standard Co., Ltd. (e-commerce/D2C) signals a move toward a "Media-to-Commerce" model, leveraging broadcasting reach to drive online sales.

2. System-Related Segment as a Profit Driver

The System Related segment (software development and cloud security) has emerged as a high-growth pillar. In FY2024, this segment saw a 56.1% increase in operating income. By optimizing SI (System Integration) service costs and passing on price increases to the market, RKB is transforming from a regional broadcaster into a technology-enabled services provider.

3. Capital Efficiency and Shareholder Value Roadmap

In response to Tokyo Stock Exchange (TSE) directives regarding "Management Conscious of Cost of Capital and Stock Price," RKB is under pressure to improve its PBR (Price-to-Book Ratio), which has historically been below 1.0. The company is exploring investment unit reductions and has refined its medium-to-long-term targets to enhance IR/SR activities. Any move toward share buybacks or increased dividends (currently projected at 75 JPY/share) would act as a significant stock price catalyst.


RKB MAINICHI HOLDINGS Corp. Company Pros and Risks

Pros (Opportunities)

Strong Asset Base: The company maintains a massive net cash position (approx. 7.36 billion JPY) and valuable real estate holdings in Fukuoka, providing a "safety floor" for the stock price.
Market Leadership in Kyushu: As a leading broadcaster in the Fukuoka/Kyushu region, RKB benefits from the region's strong economic growth, driven by the semiconductor industry (TSMC expansion in nearby Kumamoto) and urban redevelopment.
Digital Transition: Successful integration with the "NEWS DIG" platform and expansion into high-quality audio content (Hakata Gion Studio) are modernizing its traditional media reach.

Risks (Challenges)

Structural Decline in TV Ads: Traditional "Time" and "Spot" advertising revenues face long-term downward pressure as audiences shift to digital streaming and social media.
Low Capital Efficiency: Despite its financial strength, the low ROE (Return on Equity) indicates that the company is not yet fully utilizing its cash pile to generate high returns, which may deter aggressive growth investors.
Input Costs: Rising costs associated with new business ventures (like land-based aquaculture) and general inflation in program production costs could squeeze operating margins in the short term.

Analyst insights

How do analysts view RKB MAINICHI HOLDINGS Corp. and 9407 stock?

Heading into the 2025/2026 fiscal cycle, analysts and market observers maintain a "stable with upward revision potential" outlook on RKB MAINICHI HOLDINGS Corp. (9407). As a premier broadcasting powerhouse based in Fukuoka, the company has successfully balanced its traditional media dominance with aggressive digital and strategic investment expansions. Recent upward revisions in earnings forecasts have caught the attention of institutional and value-oriented investors.

1. Core Institutional Perspectives on the Company

Strong Regional Dominance and Revenue Diversification: Analysts highlight RKB’s entrenched position in the Fukuoka market as a dual-media operator (radio and television) under the TBS network. However, the shift in narrative focuses on their diversification. In late 2024 and early 2025, the company made significant strides in strategic capital alliances, such as the acquisition of a stake in Fun Standard Co., Ltd., signaling a move toward integrated marketing and e-commerce solutions.

Upward Earnings Momentum: In February 2025, RKB significantly revised its consolidated earnings forecast for the fiscal year ending March 2026. The ordinary income projection was raised by 15.9% from 1.38 billion yen to 1.6 billion yen. This revision was driven by robust 3Q results where net income saw a 27% year-on-year increase, reaching record highs for the first time in nine periods. Analysts credit this to effective cost management and higher-than-expected digital advertising revenue.

2. Stock Valuation and Ratings

As a mid-cap stock listed on the Fukuoka Stock Exchange, RKB (9407) does not always have a high volume of coverage from global investment banks, but it remains a staple for Japanese regional specialists and AI-driven diagnostic platforms:

Price Targets and Sentiment:
Current Sentiment: Market consensus platforms like "Minkabu" currently label the stock as "Buy" or "Undervalued."
Target Price: Based on early 2026 diagnostic data, the theoretical target price is often cited around 6,040 JPY, reflecting a notable premium over recent trading levels.
Valuation Metrics: Analysts emphasize the stock's low PBR (Price-to-Book Ratio) and rising ROE (Return on Equity), which improved to approximately 9.3%—achieving management's long-term targets a full year ahead of schedule. The company's policy of reducing cross-shareholdings is also seen as a positive driver for future valuation rerating.

3. Key Risk Factors and Cautious Notes

Despite the positive financial trajectory, analysts point to several structural risks:

Traditional Media Decline: Like all regional broadcasters, RKB faces the long-term structural decline of terrestrial TV advertising as viewership shifts to global streaming platforms. While their digital segment is growing, it must scale rapidly to offset potential core business stagnation.

Operational Costs: Increased costs for equipment upgrades (such as 4K/8K transition and digital infrastructure) and rising electricity/utility costs in Japan are noted as persistent pressures on operating margins.

Investment Success Uncertainty: While analysts applaud the diversification into areas like aquaculture (Munakata land-based farming) and IT services, these non-core ventures carry execution risks and may take several years to provide a meaningful contribution to the bottom line.

Summary

The prevailing view in the financial community is that RKB MAINICHI HOLDINGS is a "stable value play with growth sweeteners." With 3Q 2025 results showing record-breaking net income and management showing a clear commitment to shareholder returns and business evolution, the stock is increasingly viewed as a defensive asset with significant upside potential if its new digital and regional revitalization initiatives gain further traction through 2026.

Further research

RKB MAINICHI HOLDINGS Corp. (9407) FAQ

What are the key investment highlights for RKB MAINICHI HOLDINGS Corp., and who are its primary competitors?

RKB MAINICHI HOLDINGS Corp. is a prominent media conglomerate based in Fukuoka, Japan. Its primary investment highlights include its dominant market position as the first commercial broadcaster in Kyushu and its diversified business model, which spans broadcasting (TV and Radio), system development, and real estate leasing. The company benefits from stable dividend payouts and a strong asset base, particularly in real estate.
Its primary competitors include other major regional broadcasters and media holdings such as KBC Group Holdings (9409), Fukuoka Broadcasting System, and national networks like Fuji Media Holdings (4676) and Tokyo Broadcasting System Holdings (9401) in the broader advertising market.

Is the latest financial data for RKB MAINICHI HOLDINGS Corp. healthy? How are the revenue, net income, and debt levels?

Based on the financial results for the fiscal year ending March 31, 2024, and the latest quarterly updates, the company maintains a stable financial profile. For FY2024, the company reported net sales of approximately 27.4 billion yen. While the broadcasting industry faces structural shifts in advertising, RKB's net income remained positive, supported by its non-broadcasting segments.
The company’s balance sheet is characterized by a high equity ratio (typically above 70%), indicating very low financial risk. Debt levels are managed conservatively, and the company maintains a strong cash position relative to its liabilities, ensuring long-term operational stability.

Is the current valuation of 9407 stock high? How do its P/E and P/B ratios compare to the industry?

As of mid-2024, RKB MAINICHI HOLDINGS (9407) continues to trade at a valuation that is often considered "undervalued" by traditional metrics, a common trait among Japanese regional broadcasters. Its Price-to-Book (P/B) ratio typically sits well below 0.5x, suggesting the stock is trading at a significant discount to its net asset value.
The Price-to-Earnings (P/E) ratio generally aligns with or is slightly lower than the industry average for regional media. Compared to the broader Nikkei 225 or Tokyo Stock Exchange averages, 9407 offers a value-oriented profile with a focus on asset backing rather than high-growth expectations.

How has the 9407 stock price performed over the past year compared to its peers?

Over the past 12 months, RKB MAINICHI HOLDINGS' stock price has shown moderate stability with low volatility. While it may not have captured the high-growth momentum seen in the tech or semiconductor sectors of the Japanese market, it has performed steadily compared to other regional broadcasters like KBC Group.
The stock often tracks the general trend of the TOPIX Small Cap index. Investors typically hold the stock for its dividend yield (often yielding between 2.5% to 3.5%) rather than aggressive capital appreciation.

Are there any recent tailwinds or headwinds for the industry RKB MAINICHI HOLDINGS operates in?

Headwinds: The traditional TV advertising market in Japan is facing a long-term decline due to the shift toward digital streaming and social media platforms. Rising production costs and the aging demographic of linear TV viewers pose challenges to revenue growth.
Tailwinds: The company is successfully pivoting toward digital transformation (DX) and expanding its system development business. Additionally, the Tokyo Stock Exchange’s push for companies to improve capital efficiency and address low P/B ratios has led many media holdings, including RKB, to consider increased shareholder returns or strategic asset utilization.

Have major institutional investors been buying or selling 9407 stock recently?

The shareholder structure of RKB MAINICHI HOLDINGS is relatively stable, with significant stakes held by strategic partners such as Mainichi Broadcasting System (MBS), Mainichi Newspapers, and local financial institutions like The Bank of Fukuoka.
While there has not been a massive influx of foreign institutional "active" buying, there is steady participation from domestic investment trusts and pension funds that value the company's defensive qualities and consistent dividend history. Retail investor interest remains focused on the company’s "Value Stock" status within the Kyushu regional economy.

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FSE:9407 stock overview