Maruo Calcium Co.,Ltd.

4102 TSE Chemicals Chemicals
TSE Standard

Shareholding pattern

As reported in the annual securities report, 2026-03-31.

Foreign institutions2.04%
Individuals69.59%
Top 10 holders44.02%
Total shareholders1,274

Who owns the company

Share of voting units
Individuals & others: 69.59%Other corporations: 23.94%Financial institutions: 3.88%Foreign institutions: 2.04%Securities firms: 0.55%Government: 0.01%69.6%Individuals & others
Individuals & others 69.59%Other corporations 23.94%Financial institutions 3.88%Foreign institutions 2.04%Securities firms 0.55%Government 0.01%

How to read this: each slice is a group of investors. Foreign and financial institutions are professional money; individuals are retail shareholders; other corporations are usually business partners holding strategic stakes. A large institutional slice generally means heavier analyst coverage and more trading volume.

Ownership Trend

Holding %, recent years
020406080FY23FY24FY25FY26FY2023 — Foreign institutions: 2 %FY2024 — Foreign institutions: 2 %FY2025 — Foreign institutions: 2 %FY2026 — Foreign institutions: 2 %FY2023 — Financial institutions: 11 %FY2024 — Financial institutions: 10 %FY2025 — Financial institutions: 8 %FY2026 — Financial institutions: 4 %FY2023 — Individuals: 65 %FY2024 — Individuals: 64 %FY2025 — Individuals: 66 %FY2026 — Individuals: 70 %FY2023 — Other corporations: 22 %FY2024 — Other corporations: 24 %FY2025 — Other corporations: 24 %FY2026 — Other corporations: 24 %FY2023 — Securities firms: 0 %FY2024 — Securities firms: 0 %FY2025 — Securities firms: 0 %FY2026 — Securities firms: 1 %
Foreign institutionsFinancial institutionsIndividualsOther corporationsSecurities firms

How to read this: each line shows how one investor group's share has moved over recent years. A rising foreign or institutional line can signal growing professional interest; a falling one the opposite. Japanese companies disclose ownership once a year, so these are annual points — read the direction over several years rather than a single step.

Ownership detail

Investor categoryHolding %Shareholders
Individuals & others69.59%1,196
Other corporations23.94%46
Financial institutions3.88%3
Foreign institutions2.04%13
Securities firms0.55%15
Government0.01%1

How to read this: a high foreign or institutional share often means the stock is widely researched and more liquid; a high individual share means retail investors hold most of the company. Percentages are of voting units.

Largest shareholders

S.No.ShareholderSharesStake %
1中国砿業株式会社249,00011.69%
2丸尾 治男167,0007.85%
3山陽化学産業株式会社114,0005.35%
4丸尾 政雄92,0004.33%
5今井 一史72,0003.41%
6丸尾 直子54,0002.57%
7中西電機工業株式会社54,0002.56%
8損害保険ジャパン株式会社51,0002.41%
9丸尾カルシウム従業員持株会46,0002.19%
10深津 秀郎35,0001.66%

Trust banks such as Master Trust and Custody Bank appear at the top of most Japanese registers: they hold shares on behalf of many underlying funds rather than owning them outright.

Educational data only. Not a recommendation to buy, sell or hold any security.