Who has been buying Sapporo Clinical Laboratory Inc. stock?

7 distinct investors have filed 5 disclosed large-shareholding filings in Sapporo Clinical Laboratory Inc. (9776), most recently on 2026-02-18. 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 Sapporo Clinical Laboratory Inc. have?

Sapporo Clinical Laboratory Inc. has 5 buy-side and 6 sell-side disclosures on record, covering ¥84M ($544K) in total reported value, spanning 2022-06-07 to 2026-02-18.

Where does StockDrifts get Sapporo Clinical Laboratory Inc. 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.

Sapporo Clinical Laboratory Inc. 9776

Company

札幌臨床検査センター株式会社Sapporo Clinical Laboratory Inc.

Investors

Buys

Total Value

¥84M ($544K)

Avg Return

-0.52%

Last Filing

2026-02-18

Sapporo Clinical Laboratory Inc. (9776) has 5 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥84M ($544K) in reported transaction value. The earliest filing StockDrifts holds for Sapporo Clinical Laboratory Inc. is dated 2022-06-07; the most recent is 2026-02-18. 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 -0.52%, 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
2026-02-18	BUY	Market Buy	エピック・パートナーズ・インベストメンツ株式会社 Epic Partners Investments Co., Ltd.	activist	399.1K	¥1,960	-0.4%	¥84M ($544K)
2026-01-27	BUY	Market Buy	エピック・パートナーズ・インベストメンツ株式会社 Epic Partners Investments Co., Ltd.	activist	356.1K	¥1,965	-0.7%	¥109M ($706K)
2026-01-27	BUY	unknown	エピック・パートナーズ・インベストメンツ株式会社 Epic Partners Investments Co., Ltd.	activist	356.1K	¥1,965	-0.7%	¥109M ($706K)
2026-01-21	BUY	Market Buy	エピック・パートナーズ・インベストメンツ株式会社 Epic Partners Investments Co., Ltd.	activist	300.4K	¥1,963	-0.6%	¥89M ($571K)
2025-12-25	BUY	unknown	エピック・パートナーズ・インベストメンツ株式会社 Epic Partners Investments Co., Ltd.	activist	255.3K	¥1,964	-0.6%	¥84M ($540K)
2025-12-25	BUY	Market Buy	エピック・パートナーズ・インベストメンツ株式会社 Epic Partners Investments Co., Ltd.	activist	255.3K	¥1,964	-0.6%	¥84M ($540K)
2025-12-15	BUY	acquisition	エピック・パートナーズ・インベストメンツ株式会社 Epic Partners Investments Co., Ltd.	activist	212.7K	¥1,959	-0.4%	¥417M ($2.7M)
2025-12-15	BUY	unknown	エピック・パートナーズ・インベストメンツ株式会社 Epic Partners Investments Co., Ltd.	activist	212.7K	¥1,959	-0.4%	¥417M ($2.7M)
2025-11-14	BUY	unknown	伊達祐子 Yuko Date	activist	6.2K	¥1,959	-0.4%	¥12M ($78K)
2025-11-14	BUY	unknown	伊達忠應 Tadao Date	activist	62.4K	¥1,959	-0.4%	¥122M ($789K)
2025-11-14	BUY	unknown	伊達忠一 Chuichi Date	activist	126.4K	¥1,959	-0.4%	¥248M ($1.6M)
2025-11-14	BUY	unknown	伊達アセットマネ-ジメント合同会社 Date Asset Management LLC	activist	1.2M	¥1,959	-0.4%	¥2.3B ($15.0M)
2024-04-24	BUY	unknown	株式会社LSIメディエンス LSI Medience Corporation	other	0	¥1,082	+80.4%	¥228M ($1.5M)
2024-04-19	BUY	unknown	株式会社LSIメディエンス LSI Medience Corporation	other	210.8K	¥1,091	+78.9%	¥230M ($1.5M)
2024-01-22	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	154.6K	¥1,019	-91.6%	¥60M ($388K)
2023-12-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	213.8K	¥997	-95.8%	¥43M ($277K)
2023-10-20	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	256.8K	¥1,000	-95.2%	¥54M ($345K)
2023-08-22	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	310.5K	¥1,004	-94.4%	¥44M ($281K)
2023-07-05	SELL	unknown	株式会社LSIメディエンス LSI Medience Corporation	other	210.8K	¥1,130	-72.7%	¥44M ($286K)
2022-06-07	SELL	unknown	エフエムアールエルエルシー(FMR LLC) FMR LLC	other	353.6K	¥1,278	-52.7%	¥57M ($368K)

Frequently asked questions

Who has been buying Sapporo Clinical Laboratory Inc. stock?: 7 distinct investors have filed 5 disclosed large-shareholding filings in Sapporo Clinical Laboratory Inc. (9776), most recently on 2026-02-18. 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 Sapporo Clinical Laboratory Inc. have?: Sapporo Clinical Laboratory Inc. has 5 buy-side and 6 sell-side disclosures on record, covering ¥84M ($544K) in total reported value, spanning 2022-06-07 to 2026-02-18.
Where does StockDrifts get Sapporo Clinical Laboratory Inc. 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 Sapporo Clinical Laboratory Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.