Buyback Radar

Japan’s cannibal stocks, counted from the filings.

The 100 Japanese companies that retired the most of their own shares in ten years. Every number read from the filings, shown in dollars. Nobody else publishes this in English.

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The leaderboard

Peak is each company’s highest fiscal year-end share count in the filings since 2016. Updated 26 October 2026. Members see all 100 with charts, financials in dollars and known investors.

1 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 2 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 3 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 4 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 5 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 6 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 7 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 8 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 9 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 10 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 11 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 12 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 13 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired 14 Member company0000 000M in '00, 000M now 0.0%yield 00.0%retired

Why Japan, why now

Japan bought back more stock in 2025 than in any year on record. The numbers sit in Japanese filings that never reach English screens. Japan Radar reads them the way Buyback Radar reads 10-Ks.

Source: EDINET, Financial Services Agency of Japan. Processed by Buyback Radar: shares outstanding are issued shares minus treasury shares, restated to today’s split basis. Prices from Yahoo Finance, split adjusted.