AdFi
GI

GREYBOX INVESTMENTS

SEC Registered

CRAFTING PORTFOLIO SOLUTIONS

BIRMINGHAM, ALhttps://greyboxinvestments.com205-703-0900
Assets Under Management
$100M–$500M
Employees
3
Office Locations
1 office
Total Accounts
212

About the firm

Greybox Investments combines a human-engineered 'grey matter' approach with advanced quantitative risk technology to construct customized, comprehensive portfolio solutions for individuals and institutions. The firm focuses on liquid, high-quality investments, transparent communication, and cost- and tax-efficient strategies.

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

Wealth ManagementPortfolio ManagementQuantitative Risk TechnologyAsset AllocationEquity StrategiesFactor-based PortfoliosTax EfficiencyLarge Cap EquitiesGlobal EquitiesCost Efficiency

Services

Wealth management including risk- and goal-based asset allocations, and core equity strategies such as Global Core Equity and Large Cap Core Equity Income, utilizing quantitative risk technology and human market intelligence to build diversified, tax-aware portfolios.

Who they serve

Individuals and institutions

Client segmentClientsAssets managed
Individuals (Non-HNW)72$16M
High Net Worth Individuals32$123M
Charitable Organizations0$0
State/Municipal Entities3

0 total clients reported on Form ADV.

Leadership

Donie Martin Carlson
MANAGING MEMBER / CHIEF COMPLIANCE OFFICER

Office locations

1 office in 1 state
AL
BIRMINGHAMHQ

Advisors at this firm

3 advisors in the directory

Regulatory & compliance

CRD number
#174077
SEC Number
801-118659
Disciplinary History
No
Fee Model & Minimums
Model: AUM / Hourly
Asset tierAnnual rate
Below $1,000,0000.95%
From $1,000,001 to $2,500,0000.85%
Over $2,500,0000.75%

Data as of March 31, 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. GREYBOX INVESTMENTS 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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GREYBOX INVESTMENTS in BIRMINGHAM, AL | AdvisorFinder