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Gateway Investment Advisers

SEC-registered adviser since 2008Cincinnati, OHCRD 146681

$11.6B
AUM
318
Clients
See fees
Fee
10
Advisory staff

From Form ADV filed 21 July 2026 · data retrieved 15 October 2026SEC record

Gateway Investment Advisers is an investment adviser headquartered in Cincinnati, Ohio, and registered with the SEC since 2008. Its clients include investment companies, high-net-worth individuals and state or municipal government entities. High-net-worth individuals account for 14% of its regulatory assets under management.

Its services include portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled vehicles, and portfolio management for institutions. Fee arrangements include a percentage of assets under management. Natixis Investment Managers, LLC owns 75% or more of Gateway Investment Advisers, and Michael Buckius is its CEO.

Clients

Gateway Investment Advisers serves 318 clients, 294 of them high-net-worth individuals. The average client has about $36 million with the firm, and high-net-worth clients hold 14% of its $11.6 billion in assets.

Regulatory assets by client type
  • High-net-worth individuals294 clients14%
  • Investment companies6 clients82%
  • State or municipal government entities1 clients2%
  • OtherIndividuals, Corporations and other businesses1%
Show client breakdown
Individuals (other than HNW)
Clients
2
Regulatory AUM
$1,295,841
Share
0.0%
Avg. per client
$648K
High-net-worth individuals
Clients
294
Regulatory AUM
$1,623,070,843
Share
14.0%
Avg. per client
$5.52M
Investment companies
Clients
6
Regulatory AUM
$9,527,632,788
Share
82.2%
Avg. per client
$1.59B
State or municipal government entities
Clients
1
Regulatory AUM
$282,476,462
Share
2.4%
Avg. per client
$282.5M
Corporations and other businesses
Clients
15
Regulatory AUM
$155,745,714
Share
1.3%
Avg. per client
$10.4M

Total

Clients
318
Regulatory AUM
$11,590,221,648
Share
100%
Avg. per client
$36.4M

What it does

Gateway Investment Advisers provides portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled vehicles and portfolio management for institutions. It is paid through a percentage of assets.

Gateway Investment Advisers advises no private funds.

100.0% of assets ($11.59B across 318 accounts) are managed with discretion. $213.8M sits in a wrap fee program the firm both sponsors and manages. 0% 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
  • Stocks72%
  • Bonds15%
  • Cash2%
  • Other11%
    • Derivatives11%

Custodians

Gateway Investment Advisers’ client accounts are held mainly at Charles Schwab, with 7% of managed assets, and Northern Trust Securities, with 7%. Gateway Investment Advisers does not have custody of client assets.

Managed account assets by custodian
  • FidelityFidelity Brokerage Services LLC · Smithfield, RI · $415.1M4%
  • Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $847.9M7%
  • Northern Trust SecuritiesNorthern Trust Securities, Inc. · Chicago, IL · $828.5M7%
  • All other custodians$9.50B82%

Ownership and leadership

Natixis Investment Managers, LLC owns 75% or more of Gateway Investment Advisers, and Michael Buckius is its CEO.

Who owns the firm
Gateway Investment Advisers, LLC· the adviser

  • Natixis Investment Managers, LLC

    Control person · since February 2008

    Owns 75% or more of Gateway Investment Advisers, LLC

Leadership

  • Michael Buckius
    Chief Executive Officer, Chief Investment Officer, Board Member, and Portfolio Manager
  • Daniel Ashcraft
    Senior Vice President, Board Member, and Portfolio Manager
  • Dylan Barlow
    Vice President and Portfolio Manager
  • Daniel Beckwith
    Senior Vice President and Portfolio Manager
  • Theresa Bridge
    Vice President and Chief Financial Officer
  • Michael Knapke
    Vice President, Director of Marketing
  • Julie Schmuelling
    President, Chief Operating Officer, and Board Member
  • Stephen Solaka
    Senior Vice President and Portfolio Manager
  • Kenneth Toft
    Senior Vice President and Portfolio Manager
  • Mitchell Trotta
    Vice President and Portfolio Manager
  • Tricia Tomich
    General Counsel, Chief Compliance Officer, and Secretary
  • David Giunta
    Board Member
  • Maxwell Hopkins
    Chief Risk Officer, Assistant General Counsel, and Compliance Officer
  • James Orfanos
    Board Member
  • Eric Ward
    Board Member

Staff

  • 28 employees
  • 10 in advisory functions
  • 9 state-registered reps
  • 1 soliciting firm

Reported holdings

Gateway Investment Advisers’ reported 13F holdings total $10.13B across 779 positions, and the ten largest make up 40.9% of it.

$10.13B
Reported 13F value
779
Positions
40.9%
In the 10 largest
+12.9%
Value vs. prior quarter
Ten largest positions, share of reported value
  1. Nvidia Corporation10.5%
  2. Apple Inc.7.7%
  3. Microsoft Corp.4.4%
  4. Alphabet Inc. · Cap Stk CL C3.8%
  5. Amazon Com Inc.3.7%
  6. Meta Platforms Inc. · CL A2.9%
  7. Broadcom Inc.2.5%
  8. Micron Technology Inc.1.8%
  9. JPMORGAN Chase & CO1.8%
  10. Tesla Inc.1.8%

Together, the ten largest are 40.9% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 20 July 2026

A 13F covers only exchange-traded long positions the firm holds with discretion, so this $10.13B is not its $11.59B in regulatory assets and does not represent any individual client's portfolio.

Fees

Gateway Investment Advisers is paid through a percentage of assets under management.

Gateway Investment Advisers’ fee rates are not included in this profile. Find its brochure on the SEC’s site.

Offices and registrations

Besides its headquarters, Gateway Investment Advisers has 2 offices, with 3 listed addresses across 3 states.

Listed office addresses by state

Ohio · 1 listed address

  • 312 Walnut Street, Suite 3500, CincinnatiHQ

Registration details

Legal name
Gateway Investment Advisers, LLC
Headquarters
312 Walnut Street, Suite 3500, Cincinnati, OH 45202-9834
Phone
513-719-1100
Website
Not reported
SEC file
801-68972
Structure
Delaware LLC
Fiscal year end
December

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 Gateway Investment Advisers have?

Gateway Investment Advisers has 318 clients and manages $11.6 billion for them, as of July 2026. They include 294 high-net-worth individuals, 15 corporations and other businesses and 6 investment companies.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 21 July 2026

What services does Gateway Investment Advisers offer?

Gateway Investment Advisers provides portfolio management for individuals and small businesses, portfolio management for investment companies, 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

Which custodians does Gateway Investment Advisers use?

Gateway Investment Advisers’ separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $847,947,619, Northern Trust Securities, Inc. (Chicago, IL), with $828,476,462 and Fidelity Brokerage Services LLC (Smithfield, RI), with $415,075,616. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 21 July 2026

How many financial advisors does Gateway Investment Advisers have?

Gateway Investment Advisers has 9 investment adviser representatives registered with state securities authorities, out of 28 employees, and 10 perform investment advisory functions. None are registered representatives of a broker-dealer or 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 Gateway Investment Advisers invest in?

At the end of its last fiscal year, Gateway Investment Advisers’ separately managed accounts held 72% exchange-traded equities, 15% U.S. government and agency bonds, 11% derivatives and 2% cash and equivalents. 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 Gateway Investment Advisers?

Gateway Investment Advisers is owned through a chain of holding companies by Bpce. Its direct owner is Natixis Investment Managers, LLC (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 21 July 2026

How does Gateway Investment Advisers get paid?

Gateway Investment Advisers is paid through a percentage of assets under management. Its Form ADV lists no commissions or performance-based fees 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 21 July 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. IAPD firm record, CRD 146681.
  3. Form 13F-HR, filed 20 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 Gateway Investment Advisers, LLC 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.