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About CastleOak

CastleOak Securities, L.P. is a boutique investment bank focused on the capital markets serving a broad array of corporate, governmental and institutional clients.

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The CastleOak Advantage

Boutique expertise at scale

CastleOak Securities, L.P. is a boutique investment bank focused on the capital markets serving a broad array of corporate, governmental and institutional clients.

The firm has grown to approximately 75 professionals, with an average of 24 years of experience, across a total of 6 offices.

Headquartered in New York City, the firm specializes in primary and secondary sales and trading of fixed income, equity, and money market securities.

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National Minority Supplier Development Council (NMSDC) certification

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Headquartered in New York City, the firm specializes in primary and secondary sales and trading of fixed income, equity, and money market securities.
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Global electronic equity trading platform offering clients 24/6 market access that assisted in repurchasing over $650M shares of stock for over 25 corporate clients.
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Since its founding in 2006, CastleOak has assisted its clients on public offerings totaling over $5 trillion.
CastleOak Complementary Distribution

Differentiated Distribution Network

CastleOak's distribution network helps issuers diversify their order book with Tier II-IV investors. These tiers are often overlooked due to their smaller size or more restrictive trading styles.

CastleOak specializes in delivering issuers differentiated distribution through unparalleled ties to unique investors who are minority-owned, public and emerging investment managers.

We proactively target long-term holders to help issuers meet their investor diversification objectives and complement our bulge-bracket peers' focus.

Key Metrics
$5T+
Capital Raised for Clients
2006
Year Founded
~75
Professionals
6
Office Locations
100%
Employee Owned
History & Milestones
2006
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CastleOak is founded by David Jones, Nathaniel Christian and Philip Ippolito

  • Broker-Dealer approved by FINRA; strategic partnership with Cantor Fitzgerald
  • Approved as underwriter for the Federal Home Loan Banks and Freddie Mac
2007
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  • Expanded into equities
  • Received first share repurchase mandate
  • First lead-managed corporate underwriting
2009
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Named by the Federal Reserve Bank of NY as 1 of 4 non-primary dealer TALF Agents

2010
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  • Approved as underwriter for Fannie Mae and Farmer Mac
  • Hired a leading Treasuries, Agencies and Money Market team
2011
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Established money market fund portal, Money Fund Access in partnership with State Street Global Markets

2012
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NASDAQ Closing Bell ceremony commemorating milestone of assisting clients in raising over $1 trillion in securities

2013
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Became the first and only minority-owned underwriter of IFC debt; became an underwriter of TVA debt

2015
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Surpassed $2.0 trillion mark in underwriting

2016
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  • Launched electronic bond trading platform (DirectPool) in partnership with Bloomberg, L.P.
  • Added Quantitative Program Trading in Equities
2017
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  • Launched International Trading in Equities
  • Launched CastleOak equity trading algorithms
2018
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Advisory Assignment from Fortune 500 company to evaluate strategic alternatives for non-core business

2019
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DirectPool rolls out high yield trading capability and expands into a new product market

2020
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Became 100% employee-owned with Executive Partner buyout of strategic investor (Cantor Fitzgerald)

  • DirectPool achieves 40% YOY volume growth rate
2021
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CastleOak US Government and Prime Money Fund Share Classes established in partnership with Morgan Stanley Investment Management

  • Brand refresh of website and marketing materials, opening of new NY headquarters
  • Enhanced employee benefits package
2022
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  • Surpassed $4 trillion in underwriting
  • Announced new charitable giving component to Money Fund Share Class products
2023
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Expanded electronic trading capabilities with Bloomberg into US Treasuries

2024
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Launched PCA business

2025
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Expanded New York headquarters

2026
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CastleOak celebrates 20 years of investment banking

CastleOak is proud to count some of the world's most recognized brands amongst its client base.

For more information, contact our team.

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