Information & Communication · Fiscal year end 2月末日

MEDIA DO Co., Ltd.

3678

株式会社メディアドゥ

FIGI BBG003S484X13678.T3678 JPCorp. no. 2180001047905

Latest half-year results

First half · fiscal year to 2027-02 · filed 2026-10-14

For the first half of the fiscal year to 2027-02: Revenue ¥58.3 billion (+8.3% YoY), Ordinary income ¥1 billion (-34.0% YoY), Net income ¥0.5 billion (-61.7% YoY).

	This period	Year on year
Revenue	¥58.3bn	+8.3%
Ordinary profit	¥950m	-34.0%
Net profit to owners	¥508m	-61.7%

From the securities report on EDINET, which states no forecast. History via /v1/companies/3678/earnings-releases.

Financials

Japan GAAP · consolidated · fiscal year to 2026-02-28

Revenue: ¥108.5bn
Net income: ¥1.8bn
ROE: 9.9%
Equity ratio: 33.4%
Dividend / share: ¥40
Employees: 507

Revenue · ¥bn

Net income · ¥bn

Fiscal year	Revenue	Net income	Total assets	Net assets	ROE	EPS	Operating CF
2026-02-28	¥108.5bn	¥1.8bn	¥56.9bn	¥19.2bn	9.9%	¥119.85	¥2.5bn
2025-02-28	¥101.9bn	¥1.4bn	¥53.2bn	¥17.7bn	8.1%	¥90.08	¥3.9bn
2024-02-28	¥94.0bn	−¥0.3bn	¥51.6bn	¥16.2bn	-1.9%	¥-21.08	¥3.2bn
2023-02-28	¥101.7bn	¥1.1bn	¥50.9bn	¥16.8bn	6.3%	¥68.35	¥1.9bn
2022-02-28	¥104.7bn	¥1.6bn	¥52.5bn	¥16.9bn	10.9%	¥99.75	¥4.6bn

Indicators

Computed by us from filings · fiscal year to 2026-02-28

Metric	Value	Percentile among listed companies
ROE, %	9.9	58
Ordinary margin	0.0235	19.3
Equity ratio, %	33.4	17.6
Revenue growth	0.065	57.2
Net income growth	0.3338	67.1
Operating cash flow / assets	0.0431	35.8

Policy-uncertainty measure0.00 Share of the report's text discussing policy-related uncertainty, by policy area. Proprietary text method.

Ownership activity 0 filer(s) stated they may make proposals in 365 days; 0 new 5% holder(s) in 180 days; net stake change −0.23pt in 90 days; 4.8% held by other listed companies.

Results wording balance: +0.43. Proprietary text method; it describes the wording only and does not interpret context.

Interest example: if all ¥2.7bn of reported debt repriced by 50 basis points, a year's interest would rise by ¥14m, 0.6% of operating cash flow. Our arithmetic only, not a forecast: fixed-rate debt and hedges are ignored.

Via /v1/companies/3678/indicators. Descriptive figures, not a rating and not investment advice.

From other filings

As the company states them

Internal control, 2026-05-28: see filing 上記の評価手続を実施した結果、当連結会計年度末日時点において、当社グループの財務報告に係る内部統制は有効であると判断いたしました。 Filing

Segments, votes and tender offers

Stated in EDINET filings

Segments: E Book Distribution Business, Strategic Investment. /v1/companies/3678/segments

Latest voting result: 2026-05-27 · 取締役6名選任の件 · passed. /v1/companies/3678/voting

Ownership changes

All companies →

2026-09-08

Decrease−0.23pt

Hikari Tsushin K.K. reduced holdings in MEDIA DO Co., Ltd. (3678) to 19.04% from 19.27%.

S100Z0PLFiler profile Original filing (PDF, Japanese)
2026-04-03

Decrease−0.24pt

Hikari Tsushin K.K. reduced holdings in MEDIA DO Co., Ltd. (3678) to 19.27% from 19.51%.

S100XW0FFiler profile Original filing (PDF, Japanese)
2025-12-11

Increase+1.03pt

Hikari Tsushin K.K. raised holdings in MEDIA DO Co., Ltd. (3678) to 19.51% from 18.48%.

S100X8UYFiler profile Original filing (PDF, Japanese)
2025-11-07

Increase+1.04pt

Hikari Tsushin K.K. raised holdings in MEDIA DO Co., Ltd. (3678) to 18.48% from 17.44%.

S100WZBCFiler profile Original filing (PDF, Japanese)
2025-10-23

Increase+1.18pt

Hikari Tsushin K.K. raised holdings in MEDIA DO Co., Ltd. (3678) to 17.44% from 16.26%.

S100WW2SFiler profile Original filing (PDF, Japanese)
2025-09-26

Increase+0.18pt

Hikari Tsushin K.K. raised holdings in MEDIA DO Co., Ltd. (3678) to 16.26% from 16.08%.

S100WQI1Filer profile Original filing (PDF, Japanese)
2025-09-09

Increase+1.08pt

Hikari Tsushin K.K. raised holdings in MEDIA DO Co., Ltd. (3678) to 16.08% from 15.00%.

S100WNJ1Filer profile Original filing (PDF, Japanese)
2025-07-23

Increase+1.02pt

Hikari Tsushin K.K. raised holdings in MEDIA DO Co., Ltd. (3678) to 15.00% from 13.98%.

S100WDQRFiler profile Original filing (PDF, Japanese)
2025-04-14

Increase+1.14pt

Hikari Tsushin K.K. raised holdings in MEDIA DO Co., Ltd. (3678) to 13.98% from 12.84%.

S100VLCGFiler profile Original filing (PDF, Japanese)
2024-12-20

Increase+1.07pt

Hikari Tsushin K.K. raised holdings in MEDIA DO Co., Ltd. (3678) to 12.84% from 11.77%.

S100UYUGFiler 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
光通信株式会社	2024-02-19 – 2026-09-01	+803,800	+5.30pt	¥1,407.28	¥1,403–1,747
株式会社UH Partners 3	2025-07-16 – 2026-03-27	+480,500	+3.17pt	¥1,779.11	¥1,665–1,920
株式会社UH5	2025-09-11 – 2025-09-30	+35,000	+0.22pt	—	—
株式会社UH Partners 2	2024-04-25 – 2025-09-19	+787,600	+5.21pt	—	—
individual filer	2022-10-26 – 2022-10-26	-150,000	−0.97pt	¥2,158	¥2,158–2,158
Kabouter Management, LLC	2022-01-25 – 2022-04-01	-667,260	−4.19pt	¥2,368.33	¥2,265–2,451

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/3678/trades.

5% filings

Large shareholding reports on 3678

Filed	Filer	Stake	Change	Stated purpose
2026-09-08	Hikari Tsushin K.K.	19.04%	−0.23pt	pure investment
2026-04-03	Hikari Tsushin K.K.	19.27%	−0.24pt	pure investment
2025-12-11	Hikari Tsushin K.K.	19.51%	+1.03pt	pure investment
2025-11-07	Hikari Tsushin K.K.	18.48%	+1.04pt	pure investment
2025-10-23	Hikari Tsushin K.K.	17.44%	+1.18pt	pure investment
2025-09-26	Hikari Tsushin K.K.	16.26%	+0.18pt	pure investment
2025-09-09	Hikari Tsushin K.K.	16.08%	+1.08pt	pure investment
2025-07-23	Hikari Tsushin K.K.	15.00%	+1.02pt	pure investment
2025-04-14	Hikari Tsushin K.K.	13.98%	+1.14pt	pure investment
2024-12-20	Hikari Tsushin K.K.	12.84%	+1.07pt	pure investment

Cross-shareholdings

From the annual report's status of shareholdings

Listed strategic holdings: 1 issues
Book value: ¥37m
Sold in the year: — — issues
Bought in the year: — — issues
Mutual, both reports: 0
Held by listed cos.: 6

Holds	Book value	Shares vs. prior year	Mutual
Amazia, inc. 4424	¥37m	0.0%	no

Held by: SHIFT Inc. 3697, The Awa Bank,Ltd. 8388, Dai Nippon Printing Co.,Ltd. 7912, Credit Saison Co.,Ltd. 8253, KADOKAWA CORPORATION 9468, TOPPAN Holdings Inc. 7911

Purposes, all holdings and mutual flags via /v1/companies/3678/cross-holdings. Share changes include stock splits.

Major shareholders

As of fiscal year end 2026-02-28

Shareholder	Shares	Ratio
individual holder	2,486,444	16.36%
株式会社FIBC	1,731,700	11.39%
UH Partners 2投資事業有限責任組合	1,134,000	7.46%
光通信KK投資事業有限責任組合	994,700	6.55%
日本マスタートラスト信託銀行株式会社(信託口)	722,200	4.75%
UH Partners 3投資事業有限責任組合	636,600	4.19%
株式会社小学館	564,800	3.72%
株式会社講談社	544,000	3.58%
株式会社トーハン	489,649	3.22%
株式会社SHIFT	466,600	3.07%

U.S. funds holding 3678

SEC Form N-PORT, reports to 2026-07-31

24 U.S. funds held 242,948 shares worth $2.0m.

Fund	Shares	Value	% of fund	As of
VANGUARD TOTAL INTERNATIONAL STOCK INDEX FUND VANGUARD STAR FUNDS	74,200	$0.6m	0.000%	2026-07-31
VANGUARD DEVELOPED MARKETS INDEX FUND VANGUARD TAX-MANAGED FUNDS	54,088	$0.4m	0.000%	2026-06-30
VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS	23,030	$0.2m	0.000%	2026-07-31
Old Westbury Small & Mid Cap Strategies Fund Old Westbury Funds Inc	17,700	$0.1m	0.002%	2026-07-31
VOYA MULTI-MANAGER INTERNATIONAL SMALL CAP FUND Voya Mutual Funds	13,700	$0.1m	0.019%	2026-07-31

Up to 25 funds per stock via the API.

Get this as JSON

GET /v1/companies/3678
GET /v1/companies/3678/financials
GET /v1/companies/3678/details
GET /v1/companies/3678/segments
GET /v1/companies/3678/voting
GET /v1/companies/3678/tender-offers
GET /v1/companies/3678/indicators
GET /v1/companies/3678/earnings-releases
GET /v1/events?ticker=3678
GET /v1/companies/3678/trades         
GET /v1/companies/3678/cross-holdings 
GET /v1/companies/3678/brief

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