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Gamco Asset Management

SEC-registered adviser since 1978Greenwich, CTCRD 104950

$11.7B
AUM
2,042
Clients
See fees
Fee
45
Advisory staff

From Form ADV filed 31 March 2026 · data retrieved 15 October 2026SEC record

Gamco Asset Management is an investment adviser headquartered in Greenwich, Connecticut, and registered with the SEC since 1978. Its clients include high-net-worth individuals, investment companies and charitable organizations. High-net-worth individuals account for 40% 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, fixed fees, performance-based fees and other arrangements. Gamco Investors, Inc. owns 75% or more of Gamco Asset Management, and Mario Gabelli is its CEO.

Clients

Gamco Asset Management serves 2,042 clients, 1,757 of them high-net-worth individuals. The average client has about $5.7 million with the firm, and high-net-worth clients hold 40% of its $11.7 billion in assets.

Regulatory assets by client type
  • High-net-worth individuals1,757 clients40%
  • Investment companies9 clients38%
  • Pension and profit-sharing plans50 clients5%
  • Charitable organizations149 clients10%
  • State or municipal government entities9 clients4%
  • Corporations and other businesses68 clients3%
Show client breakdown
High-net-worth individuals
Clients
1,757
Regulatory AUM
$4,624,111,024
Share
39.6%
Avg. per client
$2.63M
Investment companies
Clients
9
Regulatory AUM
$4,414,898,353
Share
37.8%
Avg. per client
$490.5M
Pension and profit-sharing plans
Clients
50
Regulatory AUM
$612,191,213
Share
5.2%
Avg. per client
$12.2M
Charitable organizations
Clients
149
Regulatory AUM
$1,204,583,587
Share
10.3%
Avg. per client
$8.08M
State or municipal government entities
Clients
9
Regulatory AUM
$467,935,940
Share
4.0%
Avg. per client
$52.0M
Corporations and other businesses
Clients
68
Regulatory AUM
$364,701,828
Share
3.1%
Avg. per client
$5.36M

Total

Clients
2,042
Regulatory AUM
$11,688,421,945
Share
100%
Avg. per client
$5.72M

What it does

Gamco Asset Management 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, fixed fees, performance-based fees and other arrangements.

Gamco Asset Management provided financial planning to 0 clients last fiscal year and advises 1 private funds.

99.8% of assets ($11.66B across 2,037 accounts) are managed with discretion; $24.8M across 5 accounts are not. $264.4M sits in a wrap fee program the firm both sponsors and manages. 1% 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
  • Stocks89%
  • Funds3%
  • Bonds3%
    • Sovereign bonds2%
    • Investment grade corporate bonds1%
  • Cash5%

Custodians

Gamco Asset Management’s client accounts are held mainly at J.P. Morgan, with 36% of managed assets, and Wells Fargo Clearing Services, with 29%. Gamco Asset Management has custody of $331.0M for 1 clients.

Managed account assets by custodian
  • Wells Fargo Clearing ServicesWells Fargo Clearing Services, LLC · ST. Louis, MO · $3.44B29%
  • J.P. MorganJ.P. Morgan Securities LLC · Brooklyn, NY · $4.22B36%
  • All other custodians$4.03B34%

Ownership and leadership

Gamco Investors, Inc. owns 75% or more of Gamco Asset Management, and Mario Gabelli is its CEO.

Who owns the firm
Gamco Asset Management Inc.· the adviser

  • Gamco Investors, Inc.

    Control person · since February 1999

    Owns 75% or more of Gamco Asset Management Inc.

Leadership

  • Mario Gabelli
    Chief Executive Officer and Chief Investment Officer - Value Portfolio, Majority Shareholder of Ultimate Parent Company
  • Douglas Jamieson
    President, Chief Operating Officer, Managing Director, Director
  • David Goldman
    General Counsel, Secretary & Chief Compliance Officer
  • Kieran Caterina
    Co Chief Accounting Officer
  • Christopher Desmarais
    Managing Director, Director
  • Kevin Dreyer
    Managing Director, Co-CIO Value
  • Christopher Marangi
    Managing Director, Co-CIO Value
  • David Ourlicht
    Managing Director
  • Regina Pitaro
    Managing Director, Director
  • Paul Swirbul
    Managing Director, Director
  • Howard Ward
    Chief Investment Officer-Growth Portfolios

Staff

  • 120 employees
  • 45 in advisory functions
  • 6 state-registered reps
  • 68 broker-dealer reps
  • 4 soliciting firms

Reported holdings

Gamco Asset Management’s reported 13F holdings total $11.15B across 938 positions, and the ten largest make up 14.9% of it.

$11.15B
Reported 13F value
938
Positions
14.9%
In the 10 largest
+9.7%
Value vs. prior quarter
Ten largest positions, share of reported value
  1. Madison Square Garden Sports · Equity2.1%
  2. Crane CO · Equity2.0%
  3. Mueller Industries Inc. · Equity1.7%
  4. Gatx Corp. · Equity1.7%
  5. Watts Water Technologies-a · Equity1.4%
  6. Bank OF New York Mellon Corp. · Equity1.3%
  7. Herc Holdings Inc. · Equity1.3%
  8. Sphere Entertainment CO · Equity1.2%
  9. Ametek Inc. · Equity1.2%
  10. American Express CO · Equity1.2%

Together, the ten largest are 14.9% of reported value.

The 50 largest positions and quarterly changesQuarter ended 30 June 2026 · filed 12 August 2026

A 13F covers only exchange-traded long positions the firm holds with discretion, so this $11.15B is not its $11.69B in regulatory assets and does not represent any individual client's portfolio.

Fees

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

Gamco Asset Management’s fee rates are not included in this profile. Find its brochure on the SEC’s site.

Offices and registrations

Besides its headquarters, Gamco Asset Management has 6 offices, with 7 listed addresses across 6 states.

Listed office addresses by state

Connecticut · 2 listed addresses

  • 191 Mason Street, GreenwichHQ
  • 191 Mason Street, Greenwich

Registration details

Legal name
Gamco Asset Management Inc.
Headquarters
191 Mason Street, Greenwich, CT 06830
Phone
914-921-5000
Website
Not reported
SEC file
801-14132
Structure
New York corporation
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 Gamco Asset Management have?

Gamco Asset Management has 2,042 clients and manages $11.7 billion for them, as of March 2026. They include 1,757 high-net-worth individuals, 149 charitable organizations and 68 corporations and other businesses.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 31 March 2026

What services does Gamco Asset Management offer?

Gamco Asset Management 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 Gamco Asset Management use?

Gamco Asset Management’s separately managed account assets are held at J.P. Morgan Securities LLC (Brooklyn, NY), with $4,222,651,737 and Wells Fargo Clearing Services, LLC (ST. Louis, MO), with $3,437,017,453. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 31 March 2026

How many financial advisors does Gamco Asset Management have?

Gamco Asset Management has 6 investment adviser representatives registered with state securities authorities, out of 120 employees, and 45 perform investment advisory functions. 68 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 Gamco Asset Management invest in?

At the end of its last fiscal year, Gamco Asset Management’s separately managed accounts held 89% exchange-traded equities, 5% cash and equivalents, 3% registered funds (mutual funds, ETFs, BDCs), 2% sovereign bonds and 1% investment grade corporate bonds. It advises 1 private funds.

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

Who owns Gamco Asset Management?

Gamco Asset Management is owned through a chain of holding companies by Mario Gabelli. Its direct owner is Gamco Investors, Inc. (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 31 March 2026

How does Gamco Asset Management get paid?

Gamco Asset Management is paid through a percentage of assets under management, fixed fees, performance-based fees and other arrangements. 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 31 March 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. IAPD firm record, CRD 104950.
  3. Form 13F-HR, filed 12 August 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 Gamco Asset Management Inc. 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.