Quants Research Institute Holdings

9552.TTSE PRIMEServices

Filed as M&A Research Institute Inc. (2022-08–2023-02), M&A Research Institute Holdings Inc. (2023-05–2026-01)

Key numbers · FY ended 2025-09

Revenue¥16.6bn+0.3% YoY Operating income¥4.8bn-42.1% YoY Net income (owners)¥2.7bn-51.4% YoY Total assets¥8.1bn-35.1% YoY EPS (basic)¥47.97-50.3% YoY

Full financial history and reports →

Stock price9552 · View chart ↗

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Latest filings

Fri, Aug 14 · JST1 filing

15:30MATERIALQuants Research Institute Holdings · Change in parent company or specified subsidiary

Tue, Jun 9 · JST1 filing

13:565% STAKEQuants Research Institute Holdings · Arcus Investment Limited Director/Executive Director Edward Cartwright · 5.01% → 3.99%−1.02pp

Wed, Apr 15 · JST1 filing

11:175% STAKEQuants Research Institute Holdings · SHUNSAKU SAGAMI · 52.82% → 57.91%+5.09pp

Fri, Feb 27 · JST1 filing

16:005% STAKEQuants Research Institute Holdings · SHUNSAKU SAGAMI · 52.82% → 57.91%+5.09pp

Fri, Jan 16 · JST1 filing

14:065% STAKEQuants Research Institute Holdings · Arcus Investment Limited Director/Executive Director Edward Cartwright · 5.01%new 5.01%

All filings →

Major holders (5%+) · 1

Holder	Stake	Change	Filed
SHUNSAKU SAGAMI	57.91%	0.00pp	2026-04-15

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