Firm profile

QUANTSTREET CAPITAL

CRD 316095Latest ADV March 6, 2026

Quantstreet Capital is an SEC registered investment adviser organized as a limited liability company. Its latest Form ADV filing, dated March 6, 2026, reports $193M in regulatory assets under management, 2 employees, 1 office, and 74 accounts.

Assets Under Management
$193M
Employees
2
Offices
1 office
Total Clients
30
Primary office
ADV Item 1F location record

Contact and digital presence

ADV profile links

Leadership

3 roles identified
CCOIsaac Mamaysky
COOIsaac Mamaysky
CIOHarry Mamaysky

Advisory services offered

5 types reported
Educational seminars/workshops
Financial Planning Services
Other advisory services

Fee models offered

4 types reported
Asset based fees
Fixed fees
Hourly charges
Sources checked May 13, 2026

Client Coverage Demographics

Top client segmentHNWI represent 63.3% of total clients.
Top client categories% of clientsClients
1
HNWI
63.3%
19
2
Individuals
23.3%
7
3
Other Advisers
13.3%
4

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$193Mas of March 6, 2026
Discretionary100.0%
$193M
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.

Latest AUM$193M
Total Accounts74
10Y AUM Change

Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees2
Clients per Employee15:1
10Y Employee Change

* 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.