Segue Group Co.,Ltd. (3968) has 17 disclosed large-shareholding filings and 16 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥1.4B ($9.3M) in reported transaction value. The earliest filing StockDrifts holds for Segue Group Co.,Ltd. is dated 2021-06-22; the most recent is 2026-03-23. Across these filings the average return since disclosure is +52.49%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-03-23 | SELL | unknown | みずほ証券 株式会社 | unknown | 0 | ¥489 | -35.8% | ¥691M ($4.5M) |
| 2026-03-23 | BUY | unknown | みずほ信託銀行株式会社 | other | 456.4K | ¥489 | - | - |
| 2026-02-20 | BUY | unknown | みずほ証券 株式会社 | other | 1.4M | ¥518 | +28.2% | ¥732M ($4.7M) |
| 2026-02-20 | BUY | unknown | みずほ信託銀行株式会社 | other | 458.5K | ¥518 | +28.2% | ¥238M ($1.5M) |
| 2026-02-17 | SELL | negotiated | 愛須 康之 | activist | 9.7M | ¥517 | -28.4% | ¥1.1B ($6.9M) |
| 2026-02-17 | SELL | negotiated | 有限会社エーディーシー | activist | 2.8M | ¥517 | -28.4% | ¥206M ($1.3M) |
| 2026-02-17 | SELL | negotiated | 愛須 康之 | activist | 9.7M | ¥517 | -28.4% | ¥1.1B ($6.9M) |
| 2026-02-17 | SELL | negotiated | 有限会社エーディーシー | activist | 2.8M | ¥517 | -28.4% | ¥206M ($1.3M) |
| 2026-02-09 | BUY | negotiated | 愛須 康之 | activist | 10.3M | ¥528 | - | - |
| 2026-02-09 | BUY | negotiated | 有限会社エーディーシー | activist | 2.8M | ¥528 | - | - |
| 2026-02-09 | BUY | negotiated | 愛須 康之 | activist | 10.3M | ¥528 | - | - |
| 2026-02-09 | BUY | negotiated | 有限会社エーディーシー | activist | 2.8M | ¥528 | - | - |
| 2025-09-11 | SELL | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 10.3M | ¥668 | +0.6% | ¥13M ($84K) |
| 2025-09-11 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 2.8M | ¥668 | - | - |
| 2025-09-11 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 2.8M | ¥668 | - | - |
| 2025-09-11 | SELL | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 10.3M | ¥668 | +0.6% | ¥13M ($84K) |
| 2025-08-04 | BUY | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 10.3M | ¥510 | - | - |
| 2025-08-04 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 2.8M | ¥510 | - | - |
| 2025-03-03 | BUY | Market Buy | 愛須 康之 Yasuyuki Aisu | activist | 10.3M | ¥475 | +39.8% | ¥215M ($1.4M) |
| 2025-03-03 | BUY | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 10.3M | ¥475 | +39.8% | ¥215M ($1.4M) |
| 2025-03-03 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 2.8M | ¥475 | +39.8% | ¥59M ($379K) |
| 2025-03-03 | BUY | Market Buy | 有限会社エーディーシー ADC Co., Ltd. | activist | 2.8M | ¥475 | +39.8% | ¥59M ($379K) |
| 2024-11-01 | BUY | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 10.3M | ¥580 | - | - |
| 2024-11-01 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 2.8M | ¥580 | - | - |
| 2024-10-04 | BUY | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 10.3M | ¥578 | +14.9% | ¥183M ($1.2M) |
| 2024-10-04 | BUY | Market Buy | 愛須 康之 Yasuyuki Aisu | activist | 10.3M | ¥578 | +14.9% | ¥183M ($1.2M) |
| 2024-10-04 | BUY | Market Buy | 有限会社エーディーシー ADC Co., Ltd. | activist | 2.8M | ¥578 | +14.9% | ¥51M ($330K) |
| 2024-10-04 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 2.8M | ¥578 | +14.9% | ¥51M ($330K) |
| 2024-04-04 | BUY | unknown | 株式会社SBI証券 SBI SECURITIES Co.,Ltd. | other | 193.3K | ¥498 | +33.3% | ¥87M ($562K) |
| 2023-11-22 | BUY | unknown | 株式会社SBI証券 SBI SECURITIES Co.,Ltd. | other | 658.6K | ¥304 | +118.4% | ¥200M ($1.3M) |
| 2023-11-17 | SELL | unknown | 日商エレクトロニクス株式会社 NISSHO ELECTRONICS CORPORATION | other | 376.0K | ¥302.33 | -119.6% | ¥188M ($1.2M) |
| 2023-11-08 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 937.6K | ¥320 | - | - |
| 2023-11-08 | BUY | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 3.4M | ¥320 | - | - |
| 2023-10-19 | SELL | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 3.4M | ¥326.33 | -103.5% | ¥10M ($67K) |
| 2023-10-19 | SELL | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 3.4M | ¥326.33 | -103.5% | ¥10M ($67K) |
| 2023-10-19 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 937.6K | ¥326.33 | - | - |
| 2023-10-19 | BUY | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 937.6K | ¥326.33 | - | - |
| 2023-03-10 | SELL | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 3.5M | ¥258.33 | -157.0% | ¥30M ($193K) |
| 2023-03-10 | SELL | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 3.5M | ¥258.33 | -157.0% | ¥30M ($193K) |
| 2023-03-10 | SELL | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 937.6K | ¥258.33 | -157.0% | ¥908K ($6K) |
| 2023-03-10 | SELL | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 937.6K | ¥258.33 | -157.0% | ¥908K ($6K) |
| 2022-04-01 | SELL | negotiated | 有限会社エーディーシー ADC Co., Ltd. | activist | 937.6K | ¥210 | -216.2% | ¥3M ($19K) |
| 2022-04-01 | SELL | negotiated | 愛須 康之 Yasuyuki Aisu | activist | 3.6M | ¥210 | -216.2% | ¥22M ($139K) |
| 2022-02-22 | BUY | Market Buy | レオス・キャピタルワークス株式会社 RHEOS CAPITAL WORKS Inc. | passive | 324.1K | ¥177.67 | +273.7% | ¥57M ($365K) |
| 2022-02-22 | BUY | Market Buy | 株式会社SBI証券 SBI SECURITIES Co.,Ltd. | other | 91.6K | ¥177.67 | +273.7% | ¥3M ($21K) |
| 2022-02-07 | BUY | Market Buy | 株式会社SBI証券 SBI SECURITIES Co.,Ltd. | other | 73.8K | ¥193 | +244.0% | ¥8M ($54K) |
| 2022-02-07 | BUY | Market Buy | レオス・キャピタルワークス株式会社 RHEOS CAPITAL WORKS Inc. | passive | 546.1K | ¥193 | +244.0% | ¥104M ($670K) |
| 2021-06-22 | BUY | Market Buy | レオス・キャピタルワークス株式会社 RHEOS CAPITAL WORKS Inc. | passive | 823.4K | ¥370.33 | +79.3% | ¥301M ($1.9M) |
| 2021-06-22 | BUY | Market Buy | 株式会社SBI証券 SBI SECURITIES Co.,Ltd. | other | 30.1K | ¥370.33 | - | ¥11M ($72K) |
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.