Ruane Cunniff L.P. is an SEC registered investment adviser organized as a limited partnership with a primary office location in New York, NY. Its latest Form ADV filing, dated March 31, 2026, reports $10.5B in regulatory assets under management, 52 employees, 1 office, and 1,213 accounts.
Assets Under Management
$10.5B
Employees
52
Offices
1 office
Total Clients
1,213
Primary office
NEW YORK, NY
45 ROCKEFELLER PLAZA, 34TH FLOOR, NEW YORK, NY, United States
Portfolio management for individuals and small businesses
Portfolio management for investment companies
Fee models offered
1 types reported
Asset based fees
Sources checked May 16, 2026
Client Coverage Demographics
Top client segmentHNWI represent 93.8% of total clients.
Top client categories% of clientsClients
1
HNWI
93.8%
1,138
2
Corporations
2.6%
32
3
Charitable
2.6%
31
4
Pension Plans
0.9%
11
5
Investment Cos.
0.1%
1
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$10.5Bas of March 31, 2026
Discretionary100.0%
$10.5B
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.
Assets under management Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total AUM$10.5B
Total Accounts1,213
10Y AUM Change+$10.5B
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees52
Clients per Employee23:1
10Y Employee Change-5 (-8.8%)
* 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.