AdFi
GI

Gamma Investing LLC

SEC Registered

The first centralized marketplace connecting wealth advisors and institutional investors to endless selection of personalized index investments.

https://gammainvesting.com888-585-1755
Assets Under Management
$1B–$5B
Employees
7
Office Locations
1 office
Total Accounts
1975

About the firm

GAMMA is a centralized marketplace connecting wealth advisors and institutional investors to personalized index investments through Custom Index SMAs (direct indexing). The firm offers an all-in-one platform for custom index investing, providing investment management, tax management, personalization, and custom index development services.

Firm Focus

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

High Net WorthPension/Profit Sharing

Areas of expertise

Direct IndexingCustom Index SMAsTax ManagementESG InvestingSeparately Managed AccountsFixed IncomeEquitiesOptionsPersonalizationIndex StrategyWealth Management+1 more

Services

Discretionary portfolio management, sub-advisory and model delivery services, consultation, and a digital client portal. Solutions include custom index SMAs across equities (broad-market, sectors, ESG/SRI, factor-tilt), fixed income (municipal bond, US Treasury, corporate bond), and options (protection, income); portfolio personalization; tax management; and custom index development.

Investment ManagementWealth Management

Who they serve

Financial intermediaries and institutional investors, including banks and trusts, endowments, foundations, retirement plans, insurance companies, sovereign wealth funds, non-US institutions, financial advisors, registered investment advisors, family offices, and private client groups.

Client segmentClientsAssets managed
High Net Worth Individuals1$137k
Insurance Companies1,974

Leadership

Lorraine Y Fang
CEO & PRESIDENT/CCO
Laura K Thurow
BOARD MEMBER
Baird Financial Group
OWNER
Llc Riverfront Investment Holding Group
OWNER
Baird Financial Corporation
OWNER
Karrie Burnham Southall
BOARD MEMBER
Zlatko Martinic
CIO
Peili Wang
SENIOR PORTFOLIO MANAGER
Calvin Lee
CLIENT PORTFOLIO MANAGER

Office locations

1 office in 1 states
HQ

Advisors at this firm

7 advisors in the directory

Regulatory & compliance

CRD number
#312573
SEC Number
801-127959
Disciplinary History
No
Fee Model & Minimums
Model: AUM
Minimum: $250,000 (waivable)

Data as of March 13, 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. Gamma Investing 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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