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TTsubota Laboratory Incorporated logo
4890TSE Growth

Tsubota Laboratory Incorporated

坪田ラボ Yahoo Finance

Recent & upcoming events

Aug 12
Earnings 2:00
Q1 earnings announcement (scheduled)
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Jun 23
Shareholder meeting 3:00
Shareholders' meeting
Venue: 室町ちばぎん三井ビルディング(COREDO室町3)8階、東京都中央区日本橋室町1丁目5番5号 Details
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May 14
Earnings 2:00
FY earnings announcement (scheduled)
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Nov 11
Est.
Earnings 1:00 approx.
Q2 earnings
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2027
Feb 10
Est.
Earnings 1:00 approx.
Q3 earnings
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May 12
Est.
Earnings 2:00 approx.
Full-year earnings
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Aug 4
Est.
Earnings 2:00 approx.
Q1 earnings
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KPI highlights

FY26
Revenue ¥200M YoY -85.3%
Operating income ¥-788M margin -393.9%
Net income ¥-762M YoY -470.2%
EPS —
P/E —
ROE —

Quarterly fundamentals

Income & cash flow
Quarter FY23 Q2FY23 Q3FY23 Q4FY24 Q1FY24 Q2FY25 Q2
Revenue ¥25M¥25M¥125M¥500M——
Operating income ¥-176M¥-232M¥-549M¥307M——
Net income ¥-125M¥-169M¥-662M¥314M——
Operating CF ——————

Ownership over time

Share of total shares outstanding (disclosed major holdings + undisclosed)（2022–2026）

事業法人 15.7%個人 55.4%未開示 26.2%20222023202420252026
事業法人国内機関個人その他未開示・浮動株

「国内機関」は信託銀行の名義口座（年金・パッシブ・一部海外資本を含む）を集計し、実質保有者へは分解していません。分類は開示名称からの推定です。

Top shareholders — rank & share

坪田　一男 46.2%坪田　一男株式会社坪田 12.4%株式会社坪田大高　功 7.1%大高　功ロート製薬株式会社 2.5%ロート製薬株式会社20222023202420252026

Top shareholders — actual figures (as of 2026)

Holder Shares held Ratio Source
坪田 一男 11,923,700 46.2% Yuho (EDINET)
株式会社坪田 3,200,000 12.4% Yuho (EDINET)
大高 功 1,840,000 7.1% Yuho (EDINET)
ロート製薬株式会社 640,000 2.5% Yuho (EDINET)
竹村 敬司 306,200 1.2% Yuho (EDINET)
大和証券株式会社 260,500 1.0% Yuho (EDINET)
合同会社マーズ 250,000 1.0% Yuho (EDINET)
株式会社ジンズホールディングス 220,000 0.9% Yuho (EDINET)
原 裕 219,800 0.9% Yuho (EDINET)
モルガン・スタンレーMUFG証券株式会社 174,600 0.7% Yuho (EDINET)

Source：EDINET（大株主の状況）　Classification inferred from disclosed names

F-Score (Piotroski)

1/9 4 of 9 items lack data

Checks financial health against 9 criteria and shows how many are met as a fraction (more ✓ marks is healthier). Items with no data are shown as “—” — they're simply excluded from judgment, not counted against the score.

✗ Positive ROA ROA -57.8%
— Positive operating cash flow No data
✗ ROA improved YoY 8.2% → -57.8%
— Operating CF exceeds net income (accrual quality) No data
✓ Equity ratio improved* Substitute for the original “decrease in long-term debt” 63.4% → 65.5%
— Current ratio improved No data
✗ No dilution (shares outstanding did not increase) 25,639,300 → 25,794,300
— Gross margin improved No data
✗ Asset turnover improved 0.54× → 0.15×

This score is reference information based on our own financial metrics. It is NOT a credit rating issued by a credit rating agency under Article 66-27 of the Financial Instruments and Exchange Act, and is NOT investment advice or a recommendation. Make investment decisions at your own responsibility.

Fact checklist

FY26
Equity ratio —
Current ratio —
Years of positive operating CF —
Payout ratio —
Latest fiscal year result Loss (net loss ¥762M)

Performance history

Last 10 years
0億円3億円7億円10億円14億円 FY20FY21FY22FY23FY24FY25FY26

Income & assets

Unit: ¥100M
Item FY20FY21FY22FY23FY24FY25FY26
Revenue 4.426.886.419.556.7413.62.00
Operating income 0.152.501.361.67-6.502.35-7.88
Ordinary income ——2.021.44-6.362.81-7.61
Net income 0.032.021.530.90-6.412.06-7.62
Total assets ——16.226.723.025.013.2
Equity ——7.4419.513.715.98.64

A “—” means data wasn't available for that period — it's not a display error or an unusual value.

Indicators & cash flow

Unit: ¥100M
Item FY20FY21FY22FY23FY24FY25FY26
EPS ¥0¥9¥7¥4¥-25¥8—
ROE ———————
Operating CF ———————
Investing CF ———————
Financing CF ———————
FCF ———————

A “—” means data wasn't available for that period — it's not a display error or an unusual value.

Source: EDINET (Annual Securities Report) (fetched 2026-08-29) *Some metrics supplemented from additional sources

Sector positioning

Relative standing within the sector
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Data provided by Twelve Data