O'Brien Investment Group

o-big.com

Chicago, Illinois, United States

1-10 employees

LinkedIn Profile

About O'Brien Investment Group

futures and options, fund infrastructure, quantitative research team, performance monitoring, crypto derivatives, trading models, b2b, crypto risk management, margin requirements, crypto margin requirements, portfolio management, family office backing, crypto trading models, trading strategies, absolute return, discretionary trading, scalable infrastructure, crypto trading halts, futures trading, research-driven approach

O'Brien Investment Group's Tech Stack

AI/ML

8 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

O'Brien Investment Group operates in financial services. Strong sales angles include risk reduction, compliance automation, fraud prevention, and reporting/analytics tools.

O'Brien Investment Group's Position in the StackWho Database

• O'Brien Investment Group is 1 of 21,667 financial services companies tracked in StackWho.
• 21,586 financial services companies in our database have verified decision-maker emails (100% of the cohort).
• 11,640 companies in Illinois are in the StackWho database.
• 8,943 financial services companies are in the 1-10 employee range (same size as O'Brien Investment Group).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does O'Brien Investment Group use?

O'Brien Investment Group uses Outlook, Google Cloud Hosting, Mobile Friendly, Varnish, Wix, Circle, and 2 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at O'Brien Investment Group?

StackWho has verified email addresses for 1 decision maker at O'Brien Investment Group. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach O'Brien Investment Group directly for sales, recruiting, or partnerships.

What industry is O'Brien Investment Group in?

O'Brien Investment Group operates in the financial services industry, headquartered in Chicago, Illinois, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export O'Brien Investment Group's contact data?

Yes. StackWho Pro members can export decision maker contact data for O'Brien Investment Group and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.