IwaiCosmo Securities (岩井コスモ証券)
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This entry sits under securities-firms INDEX. Read it against Iwai Cosmo Holdings for parent holding context, Okasan Sg / Tokai Tokyo Fh for peer mid-tier independent securities, and securities index for the broader market-structure boundary.
TL;DR
IwaiCosmo Securities Co., Ltd. is a mid-tier independent securities firm headquartered in Osaka, the core 100% subsidiary of TSE PRIME-listed Iwai Cosmo Holdings. Founded in 1917 年 (Taisho 6 ) in Osaka as Iwai Securities, it adopted its current name when **the former Iwai Securities and the former Cosmo Securities merged in 2010-04 **. Financial instruments business operator: Director-General of the Kinki Local Finance Bureau (Kinsho) 第15号 (FIEA Type 1 Type I financial instruments business). Head office in Imabashi, Chuo Ward, Osaka City; capital of 135 億円; operating 28 sales branches nationwide + 2 call centers + 2 net-support centers. As a mid-tier independent securities firm centered on Kansai-based face-to-face retail, it conducts overseas brokerage of US stocks / Greater China stocks, IPO underwriting, and consulting-style sales. Its competitors are mid-tier independent securities firms such as Aizawa Securities Group, Okasan Sg, Tokai Tokyo Fh, Matsui Securities, and Marusan Securities.
1. Corporation / shareholders
- Trade name: IwaiCosmo Securities Co., Ltd. (English: IwaiCosmo Securities Co., Ltd.)
- Founded: 1917 年 (Taisho 6 ) 12 — “Iwai Securities” established in Osaka (Ujiro Iwai)
- Launch of current structure: 2010 年 4 月 1 日 — merger of the former Iwai Securities + the former Cosmo Securities (Kyodo Securities lineage)
- Head office location: 〒541-0042 Imabashi 1 -chome 8 -ban, Chuo Ward, Osaka City 12 号
- Capital: 135 億円 (contributed by Iwai Cosmo Holdings 100%)
- Parent company: IwaiCosmo Holdings Co., Ltd. (TSE PRIME 8707, head office in Osaka)
- Representative: Representative Director and President
- Number of employees: approx. 700 名 (consolidated basis, HD disclosure)
2. Licenses / registrations
- Type I financial instruments business: Director-General of the Kinki Local Finance Bureau (Kinsho) 第15号
- Industry association memberships:
- Japan Securities Dealers Association (JSDA) full member
- Financial Futures Association of Japan
- Type II Financial Instruments Firms Association
- Japan Investment Advisers Association
- PTS / proprietary trading system: none operated in-house (connects to PTS such as Japannext)
- Trading participation rights: TSE / OSE trading participant
3. Sales base
- Face-to-face sales: 28 sales branches nationwide — centered on the Kansai base (Osaka, Kyoto, Kobe, Nara), also deployed in Kanto, Tokai, Kyushu, and Hokkaido
- Call centers: 2 locations (Tokyo, Osaka)
- Net-support centers: 2 locations
- Online trading service: “Cosmo Netore” (in-house online trading)
- Shareholder composition: centered on former Iwai Securities-lineage shareholders (the Iwai family / Kansai business community), broadly dispersed following the HD listing
4. Products handled
- Domestic stocks: cash and margin, Tokyo and Osaka markets, including via PTS
- Foreign stocks: US stocks (NYSE, NASDAQ), Greater China stocks (HKEX-listed, US-listed Chinese ADRs), ASEAN stocks
- Investment trusts: in-house recommended funds + funds managed by various companies
- Bonds: government bonds, municipal bonds, corporate bonds, foreign bonds
- NISA: supports both the growth-investment quota and the accumulation-investment quota
- iDeCo: provides individual-type defined-contribution pension plans
- Derivatives: futures, options, FX
- IPO underwriting / lead underwriting: handles mid-tier underwriting (especially for companies originating in Kansai)
- Consulting-style sales: advisory for elderly high-net-worth clients on inheritance, business succession, retirement-allowance management, etc.
5. Industry position
- As a mid-tier independent securities firm based in Osaka / Kansai, it takes a position different from megabank FG affiliates (Nomura Holdings (Nomura HD), Daiwa Sg, SMBC Nikko, Mizuho Securities, Mitsubishi UFJ Morgan Stanley Securities)
- Competitors: Aizawa Securities Group, Okasan Sg, Tokai Tokyo Fh, Matsui Securities, Marusan Securities
- Strengths: thick personal networks with the Kansai business community, a track record of IPO underwriting / lead underwriting for Kansai-originating companies, face-to-face consulting services
- Weaknesses: compared with online brokers (SBI Securities, Rakuten Securities, Matsui Securities, etc.) its retail commissions are relatively high, and branch operating costs are high
- Strategy: continued deepening of the “face-to-face × elderly high-net-worth × foreign stocks × consulting” model
6. Timeline
| Year/Month | Item |
|---|---|
| 1917-12 | Ujiro Iwai establishes Iwai Securities in Osaka |
| 1953 | Cosmo Securities (formerly Kyodo Securities Co., Ltd.) established |
| 1990 年s | Both firms experience the era of industry reorganization, including the securities recession and the collapse of Yamaichi Securities |
| 2010-04-01 | Merger of the former Iwai Securities + the former Cosmo Securities → IwaiCosmo Securities launched |
| 2010-04 | Conversion to a holding company — IwaiCosmo Holdings established, listed on the TSE / OSE |
| 2013-07 | Responds to the market integration of TSE First Section and OSE First Section |
| 2018 | Expansion of US stock / Greater China stock handling |
| 2022-04 | TSE market-segment review — parent HD moves to the TSE PRIME Market |
| 2024 | Compliance with the new NISA system |
7. Related companies
- Parent company: Iwai Cosmo Holdings (TSE PRIME 8707)
- Group companies:
- IwaiCosmo Securities (head office)
- IwaiCosmo Investment Advisory
- Other group affiliates
8. Why a standalone page is needed
The Iwai Cosmo Holdings page leans toward holding-company-perspective financials and shareholder structure. The license boundary (Director-General of the Kinki Local Finance Bureau 第15号 FIEA Type 1), sales base (28 店 branches), products handled, IPO underwriting, and face-to-face consulting strategy cannot be analyzed accurately unless separated into a standalone page for the operating company (the securities firm). This page also serves as the anchor when comparing against each mid-tier independent securities peer (Aizawa Securities Group, Marusan Securities, etc.).
Related
- Iwai Cosmo Holdings — parent / holding
- Aizawa Securities Group — peer
- Okasan Sg — peer
- Tokai Tokyo Fh — peer / Nagoya-based
- Matsui Securities — peer / online-based
- Marusan Securities — peer
- SMBC Nikko — megabank FG comparison
- Mizuho Securities — megabank FG comparison
- Japan financial instruments business operators registry index
- Japan securities license stack
- Japan online brokerage competition
- securities domain INDEX
Sources
- IwaiCosmo Securities company information (retrieved 2026-05-25)
- IwaiCosmo Securities company history (retrieved 2026-05-25)
- IwaiCosmo Holdings company profile (retrieved 2026-05-25)
- FSA list of registered financial instruments business operators (snapshot 令和8年4月30日)
- IwaiCosmo Holdings securities report, 14th term (2025-03 term)
[!info] Verification status confidence: likely (consistent with public company information, timeline, and the FSA financial instruments business operator registration list). Capital 135 億円 and 28 sales-branch locations are official figures. The corporate number is not explicitly stated in public search results. Consolidated figures for IwaiCosmo HD as a whole should be referenced from HD disclosure.