Nakanishi Mfg

5941.TTSE STANDARDMetal Products
Major holders (5%+) · 3
HolderStakeChangeFiled
NAKANISHI KAZUMA9.72%—2025-05-28
LEC, INC.9.12%—2025-03-07
Simplex Asset Management Co., Ltd.7.28%-1.15pp2026-09-07

Each holder's own ratio from its most recent large-shareholding report.

Former and minor holders (below 5%) · 3
Mizuho Bank, Ltd.2.56%2024-03-07
NAKANISHI MAMIKO0.00%2025-05-28
Asset Management One Co., Ltd.0.00%2024-03-07
Ownership history · 13
FiledHolderRatioChangePurpose
2026-09-07AmendedSimplex Asset Management Co., Ltd.2026-09-07 · amended7.28%-1.15ppPure investment; Held for clients (discretionary / trust)
2026-08-07AmendedSimplex Asset Management Co., Ltd.2026-08-07 · amended8.43%-1.23ppPure investment; Held for clients (discretionary / trust)
2026-06-18AmendedSimplex Asset Management Co., Ltd.2026-06-18 · amended9.66%-1.01ppPure investment; Held for clients (discretionary / trust)
2026-03-24AmendedSimplex Asset Management Co., Ltd.2026-03-24 · amended10.67%-1.02ppPure investment; Held for clients (discretionary / trust)
2025-08-28AmendedSimplex Asset Management Co., Ltd.2025-08-28 · amended11.69%-1.00ppPure investment; Held for clients (discretionary / trust)
2025-07-07AmendedSimplex Asset Management Co., Ltd.2025-07-07 · amended12.69%-1.85ppPure investment; Held for clients (discretionary / trust)
2025-05-28NAKANISHI MAMIKO2025-05-280.00%newStable shareholder; Long-term holding
2025-05-28NAKANISHI KAZUMA2025-05-289.72%newStable shareholder; Long-term holding
2025-03-07AmendedSimplex Asset Management Co., Ltd.2025-03-07 · amended14.54%-1.20ppPure investment; Held for clients (discretionary / trust)
2025-03-07Same-day filingSimplex Asset Management Co., Ltd.2025-03-0715.74%newPure investment; Held for clients (discretionary / trust)
2025-03-07AmendedLEC, INC.2025-03-07 · amended9.12%newBusiness / capital relationship
2024-03-07Asset Management One Co., Ltd.2024-03-070.00%new—
2024-03-07Mizuho Bank, Ltd.2024-03-072.56%newBusiness / capital relationship

Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.