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株式会社アイダ設計

2990

株式会社アイダ設計

FIGI —2990.T2990 JPCorp. no. 9030001000566

Financial statements appear when the company's next annual securities report is processed.

From other filings

As the company states them

Share buyback, report to —: ¥380m acquired of a ¥410m limit. /v1/companies/2990/buybacks

Ownership changes

All companies →

2026-05-26

Amendment−2.94pt

Koutaishi Co.,Ltd. filed a correction to a 5% report on 株式会社アイダ設計 (2990).

S100Y692Filer profile Original filing (PDF, Japanese)
2026-05-26

Amendment−2.94pt

Koutaishi Co.,Ltd. filed a correction to a 5% report on 株式会社アイダ設計 (2990).

S100Y6BIFiler profile Original filing (PDF, Japanese)
2026-05-21

Decrease−2.94pt

Koutaishi Co.,Ltd. reduced holdings in 株式会社アイダ設計 (2990) to 24.30% from 27.24%.

S100Y5A1Filer profile Original filing (PDF, Japanese)
2025-11-21

Decrease−2.94pt

Koutaishi Co.,Ltd. reduced holdings in 株式会社アイダ設計 (2990) to 27.24% from 30.18%.

S100X5SIFiler profile Original filing (PDF, Japanese)

Trades by 5% holders

From the 60-day trade tables in 5% reports

Bought SoldHover a dot for the trade

Holder	Period	Net shares	Net % of shares	Avg. filed price	Range
株式会社光大史	2025-11-17 – 2026-05-15	-2,220,000	−5.88pt	¥343	¥342–344

Net shares and the average are our calculations. Prices are filed prices as stated by the filer, mostly for off-market trades; they are not market prices. Stock lending, custody transfers and option exercises are excluded from net shares. Every row via /v1/companies/2990/trades.

5% filings

Large shareholding reports on 2990

Filed	Filer	Stake	Change	Stated purpose
2026-05-26	Koutaishi Co.,Ltd.	27.24%	−2.94pt	—
2026-05-26	Koutaishi Co.,Ltd.	24.30%	−2.94pt	—
2026-05-21	Koutaishi Co.,Ltd.	24.30%	−2.94pt	—
2025-11-21	Koutaishi Co.,Ltd.	27.24%	−2.94pt	—

Cross-shareholdings

From the annual report's status of shareholdings

Held by: THE FUKUSHIMA BANK, LTD. 8562

Purposes, all holdings and mutual flags via /v1/companies/2990/cross-holdings. Share changes include stock splits.

Get this as JSON

GET /v1/companies/2990
GET /v1/companies/2990/financials
GET /v1/companies/2990/details
GET /v1/companies/2990/segments
GET /v1/companies/2990/voting
GET /v1/companies/2990/tender-offers
GET /v1/companies/2990/indicators
GET /v1/companies/2990/earnings-releases
GET /v1/events?ticker=2990
GET /v1/companies/2990/trades         
GET /v1/companies/2990/cross-holdings 
GET /v1/companies/2990/brief

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