Arbiter Partners is an SEC registered investment adviser organized as a limited liability company with a primary office location in New York, NY. Its latest Form ADV filing, dated April 28, 2026, reports $1.3B in regulatory assets under management, 12 employees, and 20 accounts.
Assets Under Management
$1.3B
Employees
12
Offices
--
Total Clients
20
Primary office
NEW YORK, NY
530 FIFTH AVENUE, 20TH FLOOR, NEW YORK, NY, United States
Portfolio management for individuals and small businesses
Portfolio management for pooled investment vehicles
Fee models offered
2 types reported
Asset based fees
Performance-based fees
Sources checked May 16, 2026
Client Coverage Demographics
Top client segmentHNWI represent 55.0% of total clients.
Top client categories% of clientsClients
1
HNWI
55.0%
11
2
Pooled Investment Vehicles
30.0%
6
3
Charitable
10.0%
2
4
Other Advisers
5.0%
1
Categories with <5 clients
Charitable Organizations<5 clients
Other investment advisers<5 clients
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$1.3Bas of April 28, 2026
Discretionary70.9%
$886M
71% of total RAUM70.9%
Non-discretionary29.1%
$365M
29% of total RAUM29.1%
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.
Total AUM$1.3B
Total Accounts20
10Y AUM Change+$195M (+18.5%)
Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees12
Clients per Employee2:1
10Y Employee Change-4 (-25.0%)
* 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.