About Us

An Experienced Investment Advisor at Your Service

About Shannon Investment Management

Shannon Investment Management LLC (SIM) is a state-registered investment adviser located in Massachusetts. The company serves strictly as a fee-only investment advisor, providing investment guidance and management of client investment accounts on a discretionary basis.

SIM was founded and is owned by James E. Shannon, CFA, who serves as president, portfolio manager, and client advisor, and seeks to help clients benefit from thoughtful, long-term exposure to global capital markets with consistent attention to managing fees and expenses.


About Jim

Jim Shannon has over 25 years of experience in the financial markets across a wide range of asset classes, investment products, and bull and bear markets. He has been responsible for analyzing, investing, and trading billions of dollars of traditional and alternative assets to meet the needs of a variety of institutional investors.

Jim’s prior work included serving as the president and portfolio manager of Sun Life Investments LLC, where he was responsible for the strategy, portfolio positioning, trading, and client service for $3 billion in total-return bonds as well as building and overseeing a team handling the associated analysis, accounting, and reporting functions.

Other employers have included Sun Life Financial, New England Mutual Life Insurance Company, Fleet National Bank, and Boston Safe Deposit & Trust Company, where he served in various investment analysis roles relating to marketable securities, private placements, commercial real estate, mortgages, and trust and estate assets.

Jim is a CFA® charter holder and received his B.A. from Providence College and M.B.A. from Babson College.

Please call or write to see how Shannon Investment Management might help you.

Some common questions are listed below, but please write to me at jim@shannoninvestment.com if you have other inquiries.

Shannon Investment Management (SIM) serves as a fee-only investment advisor, providing investment guidance and managing client investment accounts on a discretionary basis. We seek to help clients benefit from thoughtful, long-term exposure to global capital markets with consistent attention to managing fees and expenses.

Our compensation is based solely on the amount of client assets under management, and, as such, we have a shared interest in thoughtfully growing your assets over time. SIM receives no commissions on purchases or sales, nor any other investment product or security in which you invest through us. We have no interest in "churning" your investment portfolio nor favoring one "fund family" over another.

Currently, there is no minimum for account size—though we reserve the right to institute such in the future. The decision to use SIM needs to be a suitable, economically-viable choice for the client and factors in the possibilities for achieving diversification without the client being overrun by trading costs. SIM will help clients through this decision-making process and will allow existing clients to be "grandfathered in" should a minimum account size subsequently be imposed.

The SIM fee is an annual 0.60% (60 basis points) on the market value of assets under management, payable quarterly in arrears.

A fee table as required by the Massachusetts Securities Division can be accessed here.

An account will be set up in your name at Interactive Brokers LLC, which will serve as custodian of the assets and be responsible for executing trades, reporting investment activity, and safekeeping holdings. It will be necessary for you to give SIM (or its representative) trading authority to manage the account trading.

Interactive Brokers LLC is a registered Broker-Dealer, Futures Commission Merchant, and Forex Dealer Member, regulated by the U.S. Securities and Exchange Commission (SEC), the Commodity Futures Trading Commission (CFTC), and the National Futures Association (NFA), and is a member of the Financial Industry Regulatory Authority (FINRA) and several other self-regulatory organizations. 

Interactive Brokers does not endorse or recommend any introducing brokers, third-party financial advisors, or hedge funds, including Shannon Investment Management LLC. Interactive Brokers provides execution and clearing services to customers. None of the information contained herein constitutes a recommendation, offer, or solicitation of an offer by Interactive Brokers to buy, sell, or hold any security, financial product, or instrument, or to engage in any specific investment strategy.

Interactive Brokers makes no representation and assumes no liability to the accuracy or completeness of the information provided on this website.

For more information regarding Interactive Brokers, please visit www.interactivebrokers.com.

The primary vehicles to be used in the investment portfolios are passively managed exchange-traded funds and notes (ETFs/ETNs) due to the possibilities for attaining diversification, low costs, tax efficiency, transparency, low tracking error, and high liquidity.

SIM is a Registered Investment Advisor (RIA) with Jim Shannon serving as its Investment Adviser (IA), also known as Investment Adviser Representative (IAR). A firm’s “registration” is with either the Securities and Exchange Commission or a state’s securities agency—generally depending on the amount of assets under management. SIM is registered with the Commonwealth of Massachusetts Securities Division.

As an RIA, Shannon Investment Management is governed by the Investment Advisers Act of 1940 (the Advisers Act), which holds such advisers legally obligated to act as a fiduciary and therefore have a fundamental obligation to act in the best interests of our clients and to provide investment advice in the clients’ best interests.

We owe clients a duty of undivided loyalty and utmost good faith. We must not engage in any activity in conflict with the interest of any client and must take steps reasonably necessary to fulfill our obligations.