Fullcast Holdings Co., Ltd. (4848) has 19 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥67.1B ($432.9M) in reported transaction value. The earliest filing StockDrifts holds for Fullcast Holdings Co., Ltd. is dated 2021-04-15; the most recent is 2025-12-16. Across these filings the average return since disclosure is -6.54%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2025-12-16 | BUY | Market Buy | 株式会社ヒラノ・アソシエイツ | strategic | 13.1M | ¥1,676 | +12.3% | ¥1.3B ($8.6M) |
| 2025-12-16 | BUY | Market Buy | 平野 美樹 | strategic | 177.9K | ¥1,676 | +12.3% | ¥24M ($152K) |
| 2025-09-26 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 2.6M | ¥1,784 | - | - |
| 2025-09-26 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.8M | ¥1,784 | - | - |
| 2025-09-26 | BUY | Market Buy | 株式会社UH Partners 3 UH Partners 3 Co., Ltd. | passive | 855.6K | ¥1,784 | +5.5% | ¥69M ($446K) |
| 2025-09-26 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 801.1K | ¥1,784 | - | - |
| 2025-08-25 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.8M | ¥1,821 | - | - |
| 2025-08-25 | BUY | Market Buy | 株式会社UH Partners 3 UH Partners 3 Co., Ltd. | passive | 817.9K | ¥1,821 | +3.4% | ¥641M ($4.1M) |
| 2025-08-25 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 801.1K | ¥1,821 | - | - |
| 2025-08-25 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 2.6M | ¥1,821 | - | - |
| 2025-05-13 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.8M | ¥1,760 | - | - |
| 2025-05-13 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 2.6M | ¥1,760 | - | - |
| 2025-05-13 | BUY | Market Buy | 株式会社UH Partners 3 UH Partners 3 Co., Ltd. | passive | 465.7K | ¥1,760 | +6.9% | ¥638M ($4.1M) |
| 2025-05-13 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 801.1K | ¥1,760 | - | - |
| 2025-03-04 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 2.6M | ¥1,587 | +18.6% | ¥525M ($3.4M) |
| 2025-03-04 | BUY | Market Buy | 株式会社UH Partners 3 UH Partners 3 Co., Ltd. | passive | 102.4K | ¥1,587 | - | ¥163M ($1.0M) |
| 2025-03-04 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 801.1K | ¥1,587 | +18.6% | ¥73M ($469K) |
| 2025-03-04 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.8M | ¥1,587 | +18.6% | ¥313M ($2.0M) |
| 2024-12-25 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.7M | ¥1,456 | - | - |
| 2024-12-25 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 2.5M | ¥1,456 | +29.3% | ¥557M ($3.6M) |
| 2024-12-25 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 801.1K | ¥1,456 | - | - |
| 2024-11-11 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 2.1M | ¥1,438 | +30.9% | ¥550M ($3.5M) |
| 2024-11-11 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 801.1K | ¥1,438 | - | - |
| 2024-11-11 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.7M | ¥1,438 | - | - |
| 2024-09-19 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 1.7M | ¥1,587 | +18.6% | ¥601M ($3.9M) |
| 2024-09-19 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 801.1K | ¥1,587 | - | - |
| 2024-09-19 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.7M | ¥1,587 | +18.6% | ¥12M ($77K) |
| 2024-09-11 | BUY | unknown | 平野 美樹 Miki Hirano | strategic | 177.9K | ¥1,547 | - | - |
| 2024-09-11 | BUY | unknown | 株式会社ヒラノ・アソシエイツ Hirano Associates Co., Ltd | strategic | 13.1M | ¥1,547 | - | - |
| 2024-09-11 | BUY | unknown | 株式会社ヒラノ・アソシエイツ Hirano Associates Co., Ltd | strategic | 13.1M | ¥1,547 | - | - |
| 2024-09-11 | BUY | unknown | 平野 美樹 Miki Hirano | strategic | 177.9K | ¥1,547 | - | - |
| 2023-04-14 | BUY | unknown | 株式会社ヒラノ・アソシエイツ Hirano Associates Co., Ltd | strategic | 13.1M | ¥2,429 | -22.5% | ¥31.6B ($203.8M) |
| 2023-04-14 | BUY | unknown | 株式会社ヒラノ・アソシエイツ Hirano Associates Co., Ltd | strategic | 13.1M | ¥2,429 | -22.5% | ¥31.6B ($203.8M) |
| 2023-04-14 | BUY | unknown | 平野 美樹 Miki Hirano | strategic | 177.9K | ¥2,429 | - | - |
| 2023-04-14 | BUY | unknown | 平野 美樹 Miki Hirano | strategic | 177.9K | ¥2,429 | - | - |
| 2023-03-17 | BUY | unknown | 株式会社ヒラノ・アソシエイツ Hirano Associates Co., Ltd | strategic | 13.6M | ¥2,359 | -20.2% | ¥221M ($1.4M) |
| 2023-03-17 | BUY | unknown | 株式会社ヒラノ・アソシエイツ Hirano Associates Co., Ltd | strategic | 13.6M | ¥2,359 | -20.2% | ¥221M ($1.4M) |
| 2023-03-17 | BUY | Market Buy | 株式会社ヒラノ・アソシエイツ Hirano Associates Co., Ltd | strategic | 13.6M | ¥2,359 | -20.2% | ¥221M ($1.4M) |
| 2023-03-17 | BUY | Market Buy | 平野 美樹 Miki Hirano | strategic | 177.9K | ¥2,359 | - | - |
| 2023-03-17 | BUY | unknown | 平野 美樹 Miki Hirano | strategic | 177.9K | ¥2,359 | - | - |
| 2023-03-17 | BUY | unknown | 平野 美樹 Miki Hirano | strategic | 177.9K | ¥2,359 | - | - |
| 2022-01-18 | SELL | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.7M | ¥2,111 | +10.8% | ¥1.7B ($10.9M) |
| 2022-01-18 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 1.3M | ¥2,111 | - | - |
| 2022-01-18 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 801.1K | ¥2,111 | - | ¥1.7B ($10.9M) |
| 2021-11-29 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 3.5M | ¥2,686 | - | - |
| 2021-11-29 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 1.3M | ¥2,686 | - | - |
| 2021-04-15 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 3.5M | ¥1,971 | -4.5% | ¥185M ($1.2M) |
| 2021-04-15 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 1.3M | ¥1,971 | -4.5% | ¥66M ($429K) |
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.