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Sumitomo Mitsui DS Asset Management Company, Limited

SEC-registered adviser since 2019Minato-Ku, Tokyo, JapanCRD 301509

$177.7B
AUM
1,340
Clients
See fees
Fee
213
Advisory staff

From Form ADV filed 20 August 2026 · data retrieved 15 October 2026SEC record

Sumitomo Mitsui DS Asset Management Company, Limited is an investment adviser headquartered in Minato-Ku, Tokyo, Japan, and registered with the SEC since 2019. Its clients include pooled investment vehicles, pension and profit-sharing plans, and corporations and other businesses.

Its services include portfolio management for pooled vehicles and portfolio management for institutions. Fee arrangements include a percentage of assets under management, fixed fees and performance-based fees. Sumitomo Mitsui Financial Group, Inc. owns 50% to 75% of Sumitomo Mitsui DS Asset Management Company, Limited.

Clients

Sumitomo Mitsui DS Asset Management Company, Limited serves 1,340 clients, 823 of them pooled investment vehicles. The average client has about $133 million with the firm.

Regulatory assets by client type
  • Banking or thrift institutions40 clients9%
  • Pooled investment vehicles823 clients59%
  • Pension and profit-sharing plans370 clients20%
  • Corporations and other businesses107 clients12%
Show client breakdown
Banking or thrift institutions
Clients
40
Regulatory AUM
$15,546,000,000
Share
8.7%
Avg. per client
$388.6M
Pooled investment vehicles
Clients
823
Regulatory AUM
$105,497,000,000
Share
59.4%
Avg. per client
$128.2M
Pension and profit-sharing plans
Clients
370
Regulatory AUM
$35,096,000,000
Share
19.7%
Avg. per client
$94.9M
Corporations and other businesses
Clients
107
Regulatory AUM
$21,574,000,000
Share
12.1%
Avg. per client
$201.6M

Total

Clients
1,340
Regulatory AUM
$177,713,000,000
Share
100%
Avg. per client
$132.6M

What it does

Sumitomo Mitsui DS Asset Management Company, Limited provides portfolio management for pooled vehicles and portfolio management for institutions. It is paid through a percentage of assets, fixed fees and performance-based fees.

Sumitomo Mitsui DS Asset Management Company, Limited provided financial planning to 0 clients last fiscal year and advises no private funds.

94.3% of assets ($167.61B across 1,320 accounts) are managed with discretion; $10.10B across 20 accounts are not. 99% of clients are outside the U.S., and 0 clients received advice without assets under management last fiscal year.

What the accounts hold

Separately managed account assets by class, year end
  • Stocks52%
  • Bonds17%
    • Sovereign bonds16%
    • State and local bonds1%
  • Cash3%
  • Other27%
    • Alternative27%

Filed values cover 99%. The neutral 1% gap has no reported category.

Custodians

Sumitomo Mitsui DS Asset Management Company, Limited does not have custody of client assets.

Managed account assets by custodian
  • All other custodians$177.71B100%

Ownership and leadership

Sumitomo Mitsui Financial Group, Inc. owns 50% to 75% of Sumitomo Mitsui DS Asset Management Company, Limited.

Who owns the firm
Sumitomo Mitsui DS Asset Management Company, Limited· the adviser

  • Sumitomo Mitsui Financial Group, Inc.

    Control person · since February 2003

    Owns 50% to 75% of Sumitomo Mitsui DS Asset Management Company, Limited

  • Daiwa Securities Group Inc.

    since April 1999

    Owns 10% to 25% of Sumitomo Mitsui DS Asset Management Company, Limited

  • Mitsui Sumitomo Insurance Company, Limited

    since December 2002

    Owns 10% to 25% of Sumitomo Mitsui DS Asset Management Company, Limited

  • Sumitomo Life Insurance Company

    since December 2002

    Owns 10% to 25% of Sumitomo Mitsui DS Asset Management Company, Limited

Leadership

  • Tsuneto Iki
    Deputy President Excutive Officer and COO
  • Wataru Ogihara
    Representative Director, President and CEO
  • Shiko Yanagisawa
    Director and Deputy President Executive Officer
  • Tomonobu Matsui
    Chief Compliance Officer, Director and Manading Executive Offier
  • Yasuhiro Harada
    Executive Officer
  • Tomonori Hori
    Executive Officer
  • Koichi Kinoshita
    Managing Executive Officer
  • Yasuko Kito
    Executive Officer
  • Ryota Kurashige
    Executive Officer
  • Naruaki Matsumoto
    Executive Officer
  • Kuniaki Matsuo
    Executive Officer
  • Naoto Nagai
    Senior Managing Executive Officer
  • Tsuyoshi Niijima
    Executive Officer
  • Miki Oikawa
    Director (outside)
  • Katsuro Okuzumi
    Executive Officer
  • Naoya Orime
    Director(ourside)
  • Yasunori Saga
    Executive Officer
  • Hiroko Sasaki
    Director (outside)
  • Kenji Sonoda
    Executive Officer
  • Takenari Suzuki
    Managing Executive Officer
  • Yoshiharu Takeda
    Executive Officer
  • Yuko Tsuchiya
    Managing Executive Officer
  • Osamu Ueyama
    Director and Senior Managing Executive Officer
  • Kenji Umaoka
    Executive Officer
  • Tetsuji Yasunaga
    Managing Executive Officer

Staff

  • 1,022 employees
  • 213 in advisory functions
  • 20 broker-dealer reps

Reported holdings

Sumitomo Mitsui DS Asset Management Company, Limited’s reported 13F holdings total $14.49B across 767 positions, and the ten largest make up 29.8% of it.

$14.49B
Reported 13F value
767
Positions
29.8%
In the 10 largest
+17.2%
Value vs. prior quarter
Ten largest positions, share of reported value
  1. Nvidia Corporation5.6%
  2. Apple Inc.4.7%
  3. Microsoft Corp.3.6%
  4. Alphabet Inc. · Cap Stk CL A3.1%
  5. Amazon Com Inc.2.9%
  6. Caterpillar Inc.2.3%
  7. Goldman Sachs Group Inc.2.0%
  8. Broadcom Inc.2.0%
  9. Alphabet Inc. · Cap Stk CL C2.0%
  10. JPMORGAN Chase & CO1.6%

Together, the ten largest are 29.8% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 22 July 2026

A 13F covers only exchange-traded long positions the firm holds with discretion, so this $14.49B is not its $177.71B in regulatory assets and does not represent any individual client's portfolio.

Fees

Sumitomo Mitsui DS Asset Management Company, Limited is paid through a percentage of assets under management, fixed fees (other than subscription fees) and performance-based fees.

Sumitomo Mitsui DS Asset Management Company, Limited’s fee rates are not included in this profile. Find its brochure on the SEC’s site.

Offices and registrations

Besides its headquarters, Sumitomo Mitsui DS Asset Management Company, Limited has 0 offices, with 1 listed address with no US state reported.

Registration details

Legal name
Sumitomo Mitsui DS Asset Management Company, Limited
Headquarters
Toranomon Hills Business Tower 26f, 1-17-1 Toranomon, Minato-Ku, Tokyo, Japan 105-6426
Phone
81362050200
Website
Not reported
SEC file
801-116710
Structure
corporation organized in Japan
Fiscal year end
March

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. See this firm's record on adviserinfo.sec.gov

Common questions

How many clients does Sumitomo Mitsui DS Asset Management Company, Limited have?

Sumitomo Mitsui DS Asset Management Company, Limited has 1,340 clients and manages $177.7 billion for them, as of August 2026. They include 823 pooled investment vehicles, 370 pension and profit-sharing plans and 107 corporations and other businesses.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 20 August 2026

What services does Sumitomo Mitsui DS Asset Management Company, Limited offer?

Sumitomo Mitsui DS Asset Management Company, Limited provides portfolio management for pooled vehicles and portfolio management for institutions.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file

How many financial advisors does Sumitomo Mitsui DS Asset Management Company, Limited have?

Sumitomo Mitsui DS Asset Management Company, Limited has 0 investment adviser representatives registered with state securities authorities, out of 1,022 employees, and 213 perform investment advisory functions. 20 are registered representatives of a broker-dealer and 0 are licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

What does Sumitomo Mitsui DS Asset Management Company, Limited invest in?

At the end of its last fiscal year, Sumitomo Mitsui DS Asset Management Company, Limited’s separately managed accounts held 52% exchange-traded equities, 27% alternative, 16% sovereign bonds, 3% cash and equivalents and 1% state and local bonds. It advises no private funds of its own.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Who owns Sumitomo Mitsui DS Asset Management Company, Limited?

Sumitomo Mitsui DS Asset Management Company, Limited’s direct owners are Daiwa Securities Group Inc. (10% to 25%), Sumitomo Mitsui Financial Group, Inc. (50% to 75%), Mitsui Sumitomo Insurance Company, Limited (10% to 25%) and Sumitomo Life Insurance Company (10% to 25%).

Source: Form ADV Part 1A, Schedules A and B, filed 20 August 2026

How does Sumitomo Mitsui DS Asset Management Company, Limited get paid?

Sumitomo Mitsui DS Asset Management Company, Limited is paid through a percentage of assets under management, fixed fees and performance-based fees. Its Form ADV lists no commissions among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file

Sources

  1. Form ADV Part 1A, amendment filed 20 August 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. IAPD firm record, CRD 301509.
  3. Form 13F-HR, filed 22 July 2026 for the quarter ended 30 June 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since.

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This profile is compiled from public regulatory filings and is provided for informational purposes only. Niva Wealth is not affiliated with Sumitomo Mitsui DS Asset Management Company, Limited and makes no representation about the quality of its services. Figures reflect the filing dates shown and may have changed. Ownership percentages are the bands reported to the SEC, not exact figures.