Who has been buying Tohokushinsha Film Corporation stock?

7 distinct investors have filed 14 disclosed large-shareholding filings in Tohokushinsha Film Corporation (2329), most recently on 2026-05-08. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Tohokushinsha Film Corporation have?

Tohokushinsha Film Corporation has 14 buy-side and 3 sell-side disclosures on record, covering ¥4.1B ($26.7M) in total reported value, spanning 2021-07-01 to 2026-05-08.

Where does StockDrifts get Tohokushinsha Film Corporation insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Tohokushinsha Film Corporation 2329

Company

株式会社東北新社Tohokushinsha Film Corporation

Investors

Buys

Total Value

¥4.1B ($26.7M)

Avg Return

+109.59%

Last Filing

2026-05-08

Tohokushinsha Film Corporation (2329) has 14 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥4.1B ($26.7M) in reported transaction value. The earliest filing StockDrifts holds for Tohokushinsha Film Corporation is dated 2021-07-01; the most recent is 2026-05-08. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +109.59%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-05-08	BUY	unknown	株式会社 f r o m B	strategic	11.0M	¥598	-11.4%	¥6.6B ($42.4M)
2026-05-08	BUY	unknown	株式会社NAMC	strategic	11.0M	¥598	-11.4%	¥6.6B ($42.4M)
2026-05-08	BUY	unknown	二宮清隆	strategic	174.7K	¥598	-11.4%	¥104M ($674K)
2024-11-14	SELL	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	24.3M	¥603	-0.8%	¥245M ($1.6M)
2024-03-27	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	8.2M	¥479.33	+26.8%	¥226M ($1.5M)
2024-02-22	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	7.8M	¥466.67	+30.3%	¥225M ($1.4M)
2024-01-30	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	7.3M	¥466	+30.5%	¥255M ($1.6M)
2024-01-19	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	6.7M	¥464.67	+30.9%	¥230M ($1.5M)
2023-12-04	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	6.3M	¥429.67	+41.5%	¥205M ($1.3M)
2023-10-24	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	5.8M	¥390.33	+55.8%	¥184M ($1.2M)
2023-05-18	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	5.3M	¥317.67	+91.4%	¥267M ($1.7M)
2023-05-01	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	4.5M	¥244	+149.2%	¥1.1B ($7.0M)
2023-03-20	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	passive	4.5M	¥230.33	+164.0%	¥1.0B ($6.6M)
2023-03-20	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	passive	4.5M	¥230.33	+164.0%	¥1.0B ($6.6M)
2023-03-20	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	passive	4.5M	¥230.33	+164.0%	¥1.0B ($6.6M)
2022-04-21	BUY	unknown	株式会社NAMC NAMC Inc.	strategic	3.7M	¥209	+190.9%	¥766M ($4.9M)
2022-04-21	BUY	unknown	株式会社from B from B inc.	strategic	3.7M	¥209	+190.9%	¥766M ($4.9M)
2022-04-21	BUY	unknown	株式会社NAMC NAMC Inc.	strategic	3.7M	¥209	+190.9%	¥766M ($4.9M)
2022-04-21	BUY	unknown	株式会社from B from B inc.	strategic	3.7M	¥209	+190.9%	¥766M ($4.9M)
2021-11-29	BUY	unknown	二宮清隆 Kiyotaka Ninomiya	strategic	51.0K	¥216.67	+180.6%	¥11M ($71K)
2021-11-29	BUY	unknown	株式会社NAMC NAMC Inc.	strategic	3.7M	¥216.67	+180.6%	¥794M ($5.1M)
2021-11-29	BUY	unknown	株式会社from B from B inc.	strategic	3.7M	¥216.67	+180.6%	¥794M ($5.1M)
2021-11-29	SELL	unknown	二宮五月 Satsuki Ninomiya	strategic	71	¥216.67	-180.6%	¥16M ($102K)
2021-07-01	BUY	unknown	二宮清隆 Kiyotaka Ninomiya	strategic	50.5K	¥217.67	+179.3%	¥102M ($656K)
2021-07-01	BUY	unknown	きらぼしキャピタル株式会社 Kiraboshi Capital Co.,Ltd	other	3.5M	¥217.67	+179.3%	¥754M ($4.9M)
2021-07-01	SELL	unknown	植村綾 RYO UEMURA	strategic	7.3M	¥217.67	-179.3%	¥377M ($2.4M)
2021-07-01	BUY	unknown	二宮五月 Satsuki Ninomiya	strategic	7.3M	¥217.67	+179.3%	¥1.6B ($10.2M)

Frequently asked questions

Who has been buying Tohokushinsha Film Corporation stock?: 7 distinct investors have filed 14 disclosed large-shareholding filings in Tohokushinsha Film Corporation (2329), most recently on 2026-05-08. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Tohokushinsha Film Corporation have?: Tohokushinsha Film Corporation has 14 buy-side and 3 sell-side disclosures on record, covering ¥4.1B ($26.7M) in total reported value, spanning 2021-07-01 to 2026-05-08.
Where does StockDrifts get Tohokushinsha Film Corporation insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Tohokushinsha Film Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.