Aquiline Management Holdings: AUM & Ownership

Clients

Aquiline Management Holdings serves 33 clients. The average client has about $372 million with the firm.

Regulatory assets by client type

Pooled investment vehicles33 clients100%

Show client breakdown

Client type	Clients	Regulatory AUM	Share	Avg. per client
Pooled investment vehicles	33	$12,265,001,536	100.0%	$371.7M
Total	33	$12,265,001,536	100%	$371.7M

Pooled investment vehicles

Clients: 33
Regulatory AUM: $12,265,001,536
Share: 100.0%
Avg. per client: $371.7M

Total

Clients: 33
Regulatory AUM: $12,265,001,536
Share: 100%
Avg. per client: $371.7M

What it does

Aquiline Management Holdings provides portfolio management for pooled vehicles. It is paid through a percentage of assets and performance-based fees.

Aquiline Management Holdings advises 33 private funds.

100.0% of assets ($12.27B across 33 accounts) are managed with discretion. 79% of clients are outside the U.S., and 0 clients received advice without assets under management last fiscal year.

Custodians

Aquiline Management Holdings has custody of client assets.

Managed account assets by custodian

All other custodians$12.27B100%

Ownership and leadership

Aquiline Holdings LP owns 75% or more of Aquiline Management Holdings.

Who owns the firm

Aquiline Management Holdings LP· the adviser

Aquiline Holdings LP
Control person · since October 2023
Owns 75% or more of Aquiline Management Holdings LP
- Jeffrey Greenberg
  Control person · since June 2006
  Owns 25% to 50% of Aquiline Holdings LP
- Avenir Holdings, LLC
  General partner · Control person · since October 2023
  - Vincenzo La Ruffa
    Control person · since October 2023
    Owns 50% to 75% of Avenir Holdings, LLC
  - Ignace Van Waesberghe
    Control person · since October 2023
    Owns 50% to 75% of Avenir Holdings, LLC

Leadership

Stewart Koenigsberg
Chief Financial Officer
Nicholas Morinigo
Chief Compliance Officer
Carly Arluke
Chief Operations Officer
Ezra Berger
Vice Chairman
Jeffrey Greenberg
Chairman
Geoffrey Kalish
Vice Chairman
Vincenzo La Ruffa
Managing Partner
Richard Rosenbaum
Chief Investment Officer
Ignace Van Waesberghe
Managing Partner
Michael Wynn
General Counsel

Staff

85 employees
51 in advisory functions

Fees

Aquiline Management Holdings is paid through a percentage of assets under management and performance-based fees.

Aquiline Management Holdings’ fee rates are not included in this profile. Find its brochure on the SEC’s site.

Offices and registrations

Besides its headquarters, Aquiline Management Holdings has 2 offices, with 2 listed addresses across 2 states.

Listed office addresses by state

New York · 1 listed address

437 Madison Avenue, 40th Floor, New YorkHQ

Registration details

Legal name: Aquiline Management Holdings LP
Headquarters: 437 Madison Avenue, 40th Floor, New York, NY 10022
Phone: 212-624-9500
Website: www.aquiline.com
SEC file: 801-129233
Structure: Delaware limited partnership
Fiscal year end: December

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. See this firm's record on adviserinfo.sec.gov

Common questions

How many clients does Aquiline Management Holdings have?

Aquiline Management Holdings has 33 clients and manages $12.3 billion for them, as of May 2026.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 6 May 2026

What services does Aquiline Management Holdings offer?

Aquiline Management Holdings provides portfolio management for pooled vehicles.

Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file

How many financial advisors does Aquiline Management Holdings have?

Aquiline Management Holdings has 0 investment adviser representatives registered with state securities authorities, out of 85 employees, and 51 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.

Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file

Who owns Aquiline Management Holdings?

Aquiline Management Holdings is owned through a chain of holding companies by Jeffrey Greenberg, Vincenzo La Ruffa and Ignace Van Waesberghe. Its direct owner is Aquiline Holdings LP (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 6 May 2026

How does Aquiline Management Holdings get paid?

Aquiline Management Holdings is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions among how it is paid.

Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file