AdFi
GI

Gruenstein Investments LLC

SEC Registered

An investment advisory firm dedicated to helping clients meet their long-term financial goals

https://gruenstein.com212-410-1800
Assets Under Management
Under $100M
Year Founded
2018
Employees
1
Office Locations
1 office
Total Accounts
6

About the firm

Gruenstein Investments LLC is an investment advisory firm founded by David Gruenstein in 2018, based in NYC. The firm's objective is to help clients meet their long-term financial goals, with a focus on investing for absolute returns with a long-term time horizon.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

IndividualsHigh Net WorthPooled Vehicles

Areas of expertise

Investment AdvisoryAbsolute ReturnsLong-term InvestingPortfolio ManagementCFA

Services

Investment advisory services focused on investing for absolute returns with a long-term time horizon to help clients meet their long-term financial goals.

Private funds / alternatives
Hedge

Who they serve

Client segmentClientsAssets managed
High Net Worth Individuals4$41M
Pension/Profit Sharing Plans1$21M

Leadership

David Gruenstein
MANAGER
Steven Leon Feld
CCO

Office locations

1 office in 1 states
HQ

Regulatory & compliance

CRD number
#298739
SEC Number
801-114355
Disciplinary History
No
Fee Model & Minimums
Model: AUM / Performance-based

Data as of April 30, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Gruenstein Investments LLC has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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