O'Brien Greene & Co | Fund Manager

Fund Manager

O'Brien Greene & Co

Back

OC

O'Brien Greene & Co

Fund Manager

Primary Strategy: Hedge Fund

Year Founded: 1969

Number of Employees: 6

Ownership: Privately Held

Year End: December

Description

Since 1969, the investment advisory firm of O’Brien Greene & Co. has provided independent investment management to a diverse clientele. Individuals, families, trusts, and retirement plans make up the majority of our clients, though we have also served insurance companies, charitable endowments, credit unions, and banks. Our philosophy is straightforward: we seek the preservation and growth of ca

Contact

Website: Link to website

LinkedIn: linkedin.com/company/o'brien-greene-&-co-

Address

218 W. State Street, Media, Pennsylvania, United States

Date

As of: September 30, 2025

Overview
Key Metrics Upgrade to Explorer or Professional plan for full access. See example profile.
Top Funds Upgrade to Explorer or Professional plan for full access. See example profile.
Services Upgrade to Explorer or Professional plan for full access. See example profile.

Key Metrics

See data over time

{{ metric.value.toLocaleString() }}

{{ metric.details.label }}

Office Locations

Business mix

Mix of Private Fund AUM ($M)

By geography

By strategy

By fund size

By fund vintage

Leadership and Fund Service Providers

Key Management

{{ leader.name }}

{{ leader.value ?? '-' }}

Fund Service Providers

{{ provider.name ?? '-' }}

{{ provider.value ?? '-' }}

{{ provider.value ?? '-' }}

Similar Companies

See all

{{ profile.initials }}

{{ profile.name ?? profile.fund_manager }}

{{ profile.entity }}

Details

Key Metrics

Table view

No matching search results

We couldn't find any results for your search. Please check your spelling or try using different keywords. Please Try Again

{{ heading }}
{{ cell.label }} {{ cell.desc }} {{ typeof(cell) === 'number' ? cell.toLocaleString() : cell }} {{ '-' }}

Key Metrics

Chart view

{{ metricFilters[selectedMetric] }}

{{ label }}

No matching search results

We couldn't find any results for your search. Please check your spelling or try using different keywords. Please Try Again

Top {{ pagination.total }} {{ pagination.total === 1 ? 'Fund' : 'Funds' }}

Top fund structures by AUM

No matching search results

We couldn't find any results for your search. Please check your spelling or try using different keywords. Please Try Again

{{ heading.label }} {{ heading.desc }}
{{ cell }} {{ !isNaN(cell) ? Number(cell).toLocaleString() + (headingData.find(h => h.field === cellName)?.label.includes('%') ? ' %' : '') : (cell.length > 60 ? cell.substring(0, 60) + '...' : cell) }} {{ '-' }}

Current Service Providers

No matching search results

We couldn't find any results for your search. Please check your spelling or try using different keywords. Please Try Again

{{ heading.label }} {{ heading.desc }}
{{ cell }} {{ !isNaN(cell) ? Number(cell).toLocaleString() + (headingData.find(h => h.field === cellName)?.label.includes('%') ? ' %' : '') : (cell.length > 60 ? cell.substring(0, 60) + '...' : cell) }} {{ '-' }}

No matching search results

We couldn't find any results for your search. Please check your spelling or try using different keywords. Please Try Again

{{ heading.label }} {{ heading.desc }}
{{ cell }} {{ !isNaN(cell) ? Number(cell).toLocaleString() + (headingData.find(h => h.field === cellName)?.label.includes('%') ? ' %' : '') : (cell.length > 60 ? cell.substring(0, 60) + '...' : cell) }} {{ '-' }}

Switches

Last 12 months

{{ filterByOptions[currentFilter] }}

{{ name }}

No matching search results

We couldn't find any results for your search. Please check your spelling or try using different keywords. Please Try Again

{{ heading.label }} {{ heading.desc }}
{{ cell }} {{ !isNaN(cell) ? Number(cell).toLocaleString() + (headingData.find(h => h.field === cellName)?.label.includes('%') ? ' %' : '') : (cell.length > 60 ? cell.substring(0, 60) + '...' : cell) }} {{ '-' }}

Questions relating to our data?

Singularity is a subscription-based data platform with data on the private fund industry. Contact us with any questions about this profile or for a demo of our full platform.

homepage showcase image