Polaris Holdings Co., Ltd. (3010) has 18 disclosed large-shareholding filings and 59 disclosed disposals on record, filed by 19 distinct investors. Together those filings cover ¥18.8B ($121.3M) in reported transaction value. The earliest filing StockDrifts holds for Polaris Holdings Co., Ltd. is dated 2021-06-03; the most recent is 2026-04-30. Across these filings the average return since disclosure is +51.64%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-04-30 | BUY | unknown | エスエーオー・スリー・ジーピー・リミテッド SAO III GP Ltd. | activist | 62.4M | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | マルコム・エフ・マクリーン4世 Malcolm F. MacLean IV | other | 2.3M | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | スターアジア・キャピタル・マネジメント・エルエルシー Star Asia Capital Management LLC | activist | 721.0K | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | スターアジア・グループ・エルエルシー Star Asia Group LLC | activist | 62.6K | ¥176 | - | ¥11M ($71K) |
| 2026-04-30 | BUY | unknown | エスエーオー・スリー・ジーピー・リミテッド SAO III GP Ltd. | activist | 62.4M | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | マルコム・エフ・マクリーン4世 Malcolm F. MacLean IV | other | 2.3M | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | タロウ・マスヤマ Taro Masuyama | other | 2.3M | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | スターアジア・パートナーズ・シックス・リミテッド Star Asia Partners VI Ltd. | activist | 106.2M | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | スターアジア・キャピタル・マネジメント・エルエルシー Star Asia Capital Management LLC | activist | 721.0K | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | スターアジア・グループ・エルエルシー Star Asia Group LLC | activist | 62.6K | ¥176 | - | ¥11M ($71K) |
| 2026-04-30 | BUY | unknown | タロウ・マスヤマ Taro Masuyama | other | 2.3M | ¥176 | - | - |
| 2026-04-30 | BUY | unknown | スターアジア・パートナーズ・シックス・リミテッド Star Asia Partners VI Ltd. | activist | 106.2M | ¥176 | - | - |
| 2026-03-27 | SELL | unknown | エスエーオー・スリー・ジーピー・リミテッド SAO III GP Ltd. | activist | 62.4M | ¥187 | -2.1% | ¥1.2B ($8.0M) |
| 2026-03-27 | BUY | unknown | タロウ・マスヤマ Taro Masuyama | other | 2.3M | ¥187 | +2.1% | ¥4M ($28K) |
| 2026-03-27 | SELL | unknown | スターアジア・パートナーズ・シックス・リミテッド Star Asia Partners VI Ltd. | activist | 106.2M | ¥187 | -2.1% | ¥13M ($85K) |
| 2026-03-27 | BUY | unknown | スターアジア・キャピタル・マネジメント・エルエルシー Star Asia Capital Management LLC | activist | 721.0K | ¥187 | - | ¥135M ($870K) |
| 2026-03-27 | BUY | unknown | マルコム・エフ・マクリーン4世 Malcolm F. MacLean IV | other | 2.3M | ¥187 | +2.1% | ¥4M ($28K) |
| 2026-03-25 | BUY | Market Buy | ザ・トラスティーズ・オブ・コロンビア・ユニバーシティ・イン・ザ・シティ・オブ・ニューヨーク(The Trustees of Columbia University in the City of New York) The Trustees of Columbia University in the City of New York | passive | 23.2M | ¥186 | +2.7% | ¥848M ($5.5M) |
| 2025-05-29 | BUY | unknown | タロウ・マスヤマ Taro Masuyama | other | 2.3M | ¥240 | -20.4% | ¥28M ($181K) |
| 2025-05-29 | BUY | unknown | スターアジア・パートナーズ・シックス・リミテッド Star Asia Partners VI Ltd. | activist | 106.2M | ¥240 | -20.4% | ¥90M ($579K) |
| 2025-05-29 | BUY | unknown | マルコム・エフ・マクリーン4世 Malcolm F. MacLean IV | other | 2.3M | ¥240 | -20.4% | ¥28M ($181K) |
| 2025-05-29 | SELL | unknown | エスエーオー・スリー・ジーピー・リミテッド SAO III GP Ltd. | activist | 69.0M | ¥240 | +20.4% | ¥4.9B ($31.7M) |
| 2025-05-28 | BUY | Market Buy | ザ・トラスティーズ・オブ・コロンビア・ユニバーシティ・イン・ザ・シティ・オブ・ニューヨーク(The Trustees of Columbia University in the City of New York) The Trustees of Columbia University in the City of New York | passive | 18.6M | ¥232 | -17.7% | ¥4.3B ($27.8M) |
| 2025-01-14 | BUY | unknown | マルコム・エフ・マクリーン4世 Malcolm F. MacLean IV | other | 2.1M | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | エスエーオー・スリー・ジーピー・リミテッド SAO III GP Ltd. | activist | 89.4M | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | エスエーオー・スリー・ジーピー・リミテッド SAO III GP Ltd. | activist | 89.4M | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | タロウ・マスヤマ Taro Masuyama | other | 2.1M | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 橋本 龍太朗 Ryutaro Hashimoto | other | 214.2K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 細野 敏 Satoshi Hosono | other | 85.6K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | ジョセフ・アルトワッサー Joseph Altwasser | other | 116.2K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 梅木 篤郎 Atsuro Umeki | other | 46.4K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 田口 洋平 Yohei Taguchi | other | 34.8K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 辻川 高寛 Takahiro Tsujikawa | other | 62.4K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | スターアジア・パートナーズ・シックス・リミテッド Star Asia Partners VI Ltd. | activist | 105.8M | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | マルコム・エフ・マクリーン4世 Malcolm F. MacLean IV | other | 2.1M | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | タロウ・マスヤマ Taro Masuyama | other | 2.1M | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 橋本 龍太朗 Ryutaro Hashimoto | other | 214.2K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 細野 敏 Satoshi Hosono | other | 85.6K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | ジョセフ・アルトワッサー Joseph Altwasser | other | 116.2K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 梅木 篤郎 Atsuro Umeki | other | 46.4K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 田口 洋平 Yohei Taguchi | other | 34.8K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | 辻川 高寛 Takahiro Tsujikawa | other | 62.4K | ¥189 | - | - |
| 2025-01-14 | BUY | unknown | スターアジア・パートナーズ・シックス・リミテッド Star Asia Partners VI Ltd. | activist | 105.8M | ¥189 | - | - |
| 2025-01-10 | SELL | Market Buy | マルコム・エフ・マクリーン4世 Malcolm F. MacLean IV | other | 2.1M | ¥190 | -0.5% | ¥360M ($2.3M) |
| 2025-01-10 | SELL | Market Buy | タロウ・マスヤマ Taro Masuyama | other | 2.1M | ¥190 | -0.5% | ¥360M ($2.3M) |
| 2025-01-10 | SELL | Market Buy | 橋本 龍太朗 Ryutaro Hashimoto | other | 214.2K | ¥190 | -0.5% | ¥3.6B ($22.9M) |
| 2025-01-10 | SELL | Market Buy | ジョセフ・アルトワッサー Joseph Altwasser | other | 116.2K | ¥190 | -0.5% | ¥1.8B ($11.5M) |
| 2025-01-10 | SELL | Market Buy | 梅木 篤郎 Atsuro Umeki | other | 46.4K | ¥190 | -0.5% | ¥888M ($5.7M) |
| 2025-01-10 | SELL | Market Buy | 田口 洋平 Yohei Taguchi | other | 34.8K | ¥190 | -0.5% | ¥888M ($5.7M) |
| 2025-01-10 | BUY | Market Buy | 辻川 高寛 Takahiro Tsujikawa | other | 62.4K | ¥190 | - | - |
Showing the 50 most recent of 158 filings.
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.