Gamco Asset Management Inc. is an SEC registered investment adviser organized as a corporation with a primary office location in Greenwich, CT. Its latest Form ADV filing, dated March 31, 2026, reports $11.7B in regulatory assets under management, 120 employees, 6 offices, and 2,042 accounts.
Portfolio management for individuals and small businesses
Portfolio management for investment companies
Fee models offered
4 types reported
Asset based fees
Fixed fees
Other fee arrangements
Sources checked May 13, 2026
Client Coverage Demographics
Top client segmentHNWI represent 86.0% of total clients.
Top client categories% of clientsClients
1
HNWI
86.0%
1,757
2
Charitable
7.3%
149
3
Corporations
3.3%
68
4
Pension Plans
2.4%
50
5
Investment Cos.
0.4%
9
Categories with <5 clients
Banking or thrift institutions<5 clients
Individuals (other than high net worth individuals)<5 clients
Other categories<5 clients
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$11.7Bas of March 31, 2026
Discretionary99.8%
$11.7B
100% of total RAUM99.8%
Non-discretionary0.2%
$25M
0% of total RAUM0.2%
Regulatory assets under management are split between discretionary and non-discretionary assets.
Assets under management Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Latest AUM$11.7B
Total Accounts2,042
10Y AUM Change$-5.5B (-32.1%)
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees120
Clients per Employee17:1
10Y Employee Change+65 (+118.2%)
* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.