Rebase (TSE:5138) Institutional Ownership: 0.37% (As of Aug. 14, 2026)

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Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TSE:5138 Rebase Inc TSE:5138
78 GF Score
Price 円451.00
GF Value 円1,579.01
Valuation Possible Value Trap
! 4 Warning Signs
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What is Rebase Institutional Ownership?

Rebase TSE:5138 +1.81% 78 Institutional Ownership is 0.37% as of Aug. 14, 2026. GuruFocus rates TSE:5138 with a GF Score™ of 78/100 and a GF Value™ of 円1,579.01 (Possible Value Trap). The stock has 4 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Rebase's institutional ownership is 0.37%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Rebase's Insider Ownership is 0.00%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Rebase's Float Percentage Of Total Shares Outstanding is 0.00%.

Rebase Institutional Ownership Historical Data

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The historical data trend for Rebase's Institutional Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Rebase Institutional Ownership Chart

Rebase Historical Data

The historical data trend for Rebase can be seen below:

2025-09-30 2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30
Institutional Ownership 0.42 0.42 0.42 0.42 0.42 0.37 0.37 0.37 0.37 0.37
TSE:5138
78GF Score
Rebase Inc TSE:5138
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Rebase Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 0.37% mean?
Rebase (TSE:5138) has a Institutional Ownership of 0.37% as of Aug. 14, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Rebase and its competitors.
Is Rebase's Institutional Ownership too high?
Rebase's current Institutional Ownership is 0.37%. Overall, Rebase has a GF Score™ of 78/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Rebase's Institutional Ownership compare to GOOGL and META?
Rebase's Institutional Ownership of 0.37% can be compared against companies in the Interactive Media industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Institutional Ownership for an Interactive Media company?
A good Institutional Ownership depends on the Interactive Media industry context. However, Institutional Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Rebase and its competitors. Rebase's current Institutional Ownership is 0.37%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rebase stock overvalued right now?
Based on GuruFocus' analysis, Rebase (TSE:5138) is currently considered Possible Value Trap. The stock's GF Value™ is 円1,579.01, compared to a current price of 円451.00 — trading 71.4% below its estimated fair value. The current Institutional Ownership is 0.37%. Rebase's overall GF Score™ is 78/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For Rebase (TSE:5138), the current Institutional Ownership is 0.37% as of Aug. 14, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Rebase (TSE:5138) Overvalued in 2026?

Based on GuruFocus' analysis, Rebase stock appears to be undervalued. The current stock price of 円451.00 is trading 71.4% below its estimated GF Value™ of 円1,579.01. GuruFocus considers Rebase to be Possible Value Trap.

Key valuation signals for TSE:5138:

  • Institutional Ownership: 0.37%
  • GF Value™: 円1,579.01 vs. price of 円451.00 (71.4% below fair value)
  • GF Score™: 78/100 with 4 warning signs

No single metric tells the full story. See the TSE:5138 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Rebase Business Description

Address 4-26-18 Jingumae, 5th Floor, Harajuku Piazza Building, Shibuya-ku, Tokyo, JPN, 150-0001
Rebase Inc is engaged in the development and operation of the online marketplace Instabase, a platform for matching open rooms to users who can rent them either on an hourly or daily basis, as well as other related businesses. It is a matching service offering that allows customers to make reservations online from their computer or smartphone. Instabase offers a wide variety of spaces, including conference rooms, telework spaces, old houses, photography studios, and dance studios, depending on the usage scenario. In addition, the space can be used for business purposes such as meetings, business negotiations, seminars, training, and study sessions, as well as yoga and dance lessons, photography, home activities, and more.
78GF Score

Get the complete analysis for TSE:5138

Institutional Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

円451.00
Price
円1,579.01
GF Value