MicroAd, Inc. (9553) has 15 disclosed large-shareholding filings and 15 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥2.8B ($17.9M) in reported transaction value. The earliest filing StockDrifts holds for MicroAd, Inc. is dated 2022-06-30; the most recent is 2024-08-07. Across these filings the average return since disclosure is +55.09%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-10 | BUY | private | アリーナ・ホールディングス・マネジメント・エルエルシー(ARENA HOLDINGS MANAGEMENT LLC) ARENA HOLDINGS MANAGEMENT LLC | passive | 3.6M | ¥615 | +6.0% | ¥2.2B ($14.2M) |
| 2026-07-23 | SELL | unknown | 株式会社サイバーエージェント CyberAgent, Inc. | other | 12.3M | ¥596 | -9.4% | ¥926M ($6.0M) |
| 2024-08-07 | BUY | unknown | 渡辺 健太郎 WATANABE KENTARO | activist | 459.1K | ¥270 | - | - |
| 2024-08-07 | BUY | unknown | 株式会社SWAY SWAY Co., Ltd. | activist | 1.7M | ¥270 | - | - |
| 2024-05-22 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 60.4K | ¥440 | -48.2% | ¥63M ($407K) |
| 2024-05-22 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.2M | ¥440 | +48.2% | ¥4M ($23K) |
| 2024-01-24 | BUY | Market Buy | 渡辺 健太郎 WATANABE KENTARO | activist | 459.1K | ¥626 | +4.2% | ¥5M ($33K) |
| 2024-01-24 | SELL | Market Buy | 株式会社SWAY SWAY Co., Ltd. | activist | 1.7M | ¥626 | -4.2% | ¥2M ($11K) |
| 2023-12-22 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 202.5K | ¥624 | +4.5% | ¥126M ($815K) |
| 2023-12-22 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.2M | ¥624 | +4.5% | ¥749M ($4.8M) |
| 2023-09-25 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 282.4K | ¥769.67 | -15.3% | ¥214M ($1.4M) |
| 2023-09-25 | SELL | unknown | アセットマネジメントOneインターナショナル Asset Management One International Ltd. | unknown | 0 | ¥769.67 | +15.3% | ¥9M ($59K) |
| 2023-09-25 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 62.6K | ¥769.67 | +15.3% | ¥12M ($77K) |
| 2023-09-21 | SELL | unknown | 渡辺 健太郎 WATANABE KENTARO | activist | 150.0K | ¥714.33 | +8.7% | ¥1M ($8K) |
| 2023-09-21 | SELL | unknown | 株式会社SWAY SWAY Co., Ltd. | activist | 570.0K | ¥714.33 | +8.7% | ¥8M ($51K) |
| 2023-08-07 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 77.6K | ¥1,820 | -64.2% | ¥141M ($911K) |
| 2023-08-07 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 381.5K | ¥1,820 | -64.2% | ¥694M ($4.5M) |
| 2023-08-07 | BUY | unknown | アセットマネジメントOneインターナショナル Asset Management One International Ltd. | other | 11.9K | ¥1,820 | -64.2% | ¥22M ($140K) |
| 2023-04-28 | SELL | unknown | 渡辺 健太郎 WATANABE KENTARO | activist | 150.0K | ¥1,161.67 | +43.9% | ¥1M ($7K) |
| 2023-04-28 | SELL | unknown | 株式会社SWAY SWAY Co., Ltd. | activist | 570.0K | ¥1,161.67 | +43.9% | ¥1M ($7K) |
| 2023-02-22 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 348.6K | ¥765.33 | +14.8% | ¥118M ($762K) |
| 2023-02-07 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 502.6K | ¥509.33 | -28.0% | ¥64M ($410K) |
| 2023-02-03 | SELL | negotiated | ソフトバンク株式会社 SoftBank Corp. | strategic | 407.5K | ¥491.33 | -32.7% | ¥200M ($1.3M) |
| 2023-01-20 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 627.1K | ¥531.67 | -22.6% | ¥17M ($111K) |
| 2023-01-19 | BUY | unknown | 株式会社SBI証券 SBI SECURITIES Co.,Ltd. | other | 55.8K | ¥537 | +21.4% | ¥28M ($178K) |
| 2023-01-16 | SELL | unknown | 渡辺 健太郎 WATANABE KENTARO | activist | 150.0K | ¥543.33 | -20.0% | ¥488K ($3K) |
| 2023-01-16 | BUY | unknown | 渡辺 健太郎 WATANABE KENTARO | activist | 150.0K | ¥543.33 | - | - |
| 2023-01-16 | BUY | unknown | 株式会社SWAY SWAY Co., Ltd. | activist | 570.0K | ¥543.33 | - | - |
| 2023-01-16 | SELL | unknown | 株式会社SWAY SWAY Co., Ltd. | activist | 570.0K | ¥543.33 | -20.0% | ¥2M ($13K) |
| 2023-01-11 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 655.6K | ¥507.67 | -28.4% | ¥76M ($491K) |
| 2023-01-10 | BUY | unknown | 株式会社SBI証券 SBI SECURITIES Co.,Ltd. | other | 472.6K | ¥485.67 | +34.3% | ¥230M ($1.5M) |
| 2022-12-22 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 805.6K | ¥629.33 | +3.6% | ¥507M ($3.3M) |
| 2022-12-20 | BUY | negotiated | ソフトバンク株式会社 SoftBank Corp. | strategic | 815.0K | ¥604 | - | - |
| 2022-12-20 | BUY | negotiated | ソフトバンク株式会社 SoftBank Corp. | strategic | 815.0K | ¥604 | - | - |
| 2022-07-08 | BUY | unknown | 株式会社サイバーエージェント CyberAgent,Inc. | other | 4.5M | ¥295 | +121.0% | ¥1.3B ($8.5M) |
| 2022-07-01 | BUY | subscription | 渡辺 健太郎 WATANABE KENTARO | activist | 150.0K | ¥333 | +95.8% | ¥50M ($322K) |
| 2022-07-01 | BUY | subscription | 株式会社SWAY SWAY Co., Ltd. | activist | 570.0K | ¥333 | +95.8% | ¥190M ($1.2M) |
| 2022-06-30 | BUY | negotiated | ソフトバンク株式会社 SoftBank Corp. | strategic | 815.0K | ¥345 | - | ¥281M ($1.8M) |
| 2022-06-30 | BUY | negotiated | ソフトバンク株式会社 SoftBank Corp. | strategic | 815.0K | ¥345 | +89.0% | ¥281M ($1.8M) |
Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.