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Alger AI Enablers & Adopters ETF
Summary Prospectus
April 1, 2024
Ticker Symbol
Exchange
 
ALAI
NYSE Arca, Inc.
 
 
 
 
Before you invest, you may want to review the Fund’s Prospectus, which contains more information about the Fund and its risks. You can find the Fund’s Prospectus, reports to shareholders, and other information about the Fund online at www.alger.com. You can also get this information at no cost by calling (800) 223-3810 or by sending an e-mail request to summaryprospectus@alger.com. The Fund’s Prospectus and Statement of Additional Information, both dated April 1, 2024, are incorporated by reference to this Summary Prospectus, and may be obtained at no cost in the same manner as described above.
Investment Objective
Alger AI Enablers & Adopters ETF seeks long-term capital appreciation.
Fund Fees and Expenses
This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
Shareholder Fees
(fees paid directly from your investment)
 
Alger
AI Enablers &
Adopters
ETF
 
None
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)
 
Alger
AI Enablers &
Adopters
ETF
Management Fees
0.45
%
Distribution and/or Service (12b-1) Fees*
None
Other Expenses**
0.57
%
Total Annual Fund Operating Expenses
1.02
%
Fee Waiver and/or Expense Reimbursement***
(0.47)
%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement
0.55
%
*
The Fund has adopted a Rule 12b-1 plan that allows the Fund to pay annual fees not to exceed 0.25% to the Fund’s distributor for distribution and individual shareholder services; however, the Board of Trustees has determined not to authorize payment of a 12b-1 plan fee at this time, and for at least one year from the effective date of this prospectus.
**
“Other Expenses” are based on estimated amounts for the current fiscal year.
***
Fred Alger Management, LLC (the “Manager”) has contractually agreed to waive and/or reimburse Fund expenses (excluding acquired fund fees and expenses, dividend expense on short sales, net borrowing costs, interest, taxes, brokerage and extraordinary expenses, to the extent applicable) through December 31, 2025 to the extent necessary to limit other expenses of the Fund to 0.10% of the Fund’s average daily net assets. This expense reimbursement may only be amended or terminated prior to its expiration date by agreement between the Manager and the Fund’s Board of Trustees, and will terminate automatically in the event of termination of the Investment Management Agreement. The Manager may recoup any fees waived or expenses reimbursed pursuant to the contract; however, the Fund will only make repayments to the Manager if such repayment does not cause the Fund’s expense ratio after the repayment is taken into account, to exceed both (i) the expense cap in place at the time such amounts were waived or reimbursed, and (ii) the Fund’s current expense cap. Such recoupment is limited to two years from the date the amount is initially waived or reimbursed.
Example
The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated, that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The one-year example and the period of the three-year example through December 31, 2025 are based on net operating expenses, which reflect the contractual expense limitation agreed
Inspired by Change, Driven by Growth.

Alger AI Enablers & Adopters ETF 2/6
Summary Prospectus
April 1, 2024
to by the Manager. Although your actual costs may be higher or lower, based on these assumptions you would pay the following expenses if you redeemed your shares at the end of each period:
 
1 Year
3 Years
Alger AI Enablers & Adopters ETF
$56
$241
Portfolio Turnover
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. No portfolio turnover rate is included for the Fund because the Fund has not yet commenced operations.
Principal Investment Strategy
The Manager believes companies undergoing Positive Dynamic Change offer the best opportunities and demonstrate promising growth potential. Positive Dynamic Change refers to companies realizing High Unit Volume Growth or companies undergoing Positive Lifecycle Change. High Unit Volume Growth companies are traditional growth companies experiencing, for example, rapidly growing demand or market dominance. Positive Lifecycle Change companies are, for example, companies benefitting from new regulations, a new product innovation or new management.
Under normal circumstances, the Fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities of companies of any market capitalization that it believes will benefit from artificial intelligence (“AI”), demonstrate promising growth potential, and are companies where AI can play a material role in potentially driving stock price performance over the next twelve to thirty-six months. Equity securities include common or preferred stocks listed on U.S. or foreign exchanges.
In effecting the Fund’s investment strategy, the Manager initially employs its fundamental, proprietary investment research investment process to identify companies undergoing Positive Dynamic Change.
Next, the Manager determines whether it believes such companies benefit from AI by classifying them into two categories: AI Enablers and AI Adopters. AI Enablers include companies developing the building block components for and investing in AI infrastructure such as machinery, hardware, software and services. AI Adopters include companies that integrate AI into their businesses to enhance their products or services or make their operations more productive. These categories may be adjusted from time to time to incorporate future developments as the area of AI evolves.
Lastly, the Manager determines whether AI can play a material role in potentially driving stock performance over the next twelve to thirty-six months through its fundamental research process. The Manager makes this determination using mainly qualitative assessments to reach its conclusions due to the Manager’s view that publicly traded companies, even those focused upon AI, are not universally transparent in sharing their exposure to AI. Specifically, the Manager makes assessments based upon its knowledge of each company’s creation, distribution and/or consumption of AI products and services, and to the extent available, upon quantitative factors including but not limited to a company’s revenue derived from, and/or resources devoted to, AI. In assessing what material role AI may play in potentially driving stock performance over the next twelve to thirty-six months, the Manager considers from among the following criteria with respect to AI Enablers, estimates of a company’s future market share in AI-related infrastructure services, product and/or service quality, acceleration of revenue growth and rate of adoption relative to peers, and, with respect to AI Adopters, estimates of the degree of AI integration into a company’s operations, the resulting impact on reducing a company’s costs, the increase in efficiency of the company’s operations, the potential enhancement to a company’s net earnings and revenue growth, improvement of product or service offerings, and the extent to which a company may gain a potential competitive advantage from AI within its industry.
The Fund will invest at least 25% of its total assets in companies focused in the following group of related industries: software, technology hardware storage and peripherals, semiconductors and semiconductor equipment, information technology services, electronic equipment instruments and components, communications equipment, broadline retail and interactive media and services, as classified by third party sources. From time to time, the Fund may have 25% or more of its total assets invested in any one of these industries.
The Fund may invest a substantial portion of its assets in a smaller number of issuers. As a result, the Fund is a non-diversified investment company, which means the performance results of any one position may have a greater impact on the Fund’s performance.

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Summary Prospectus
April 1, 2024
The Fund’s investments include small-, medium- and large-capitalization companies. The Fund may invest in foreign securities listed on foreign exchanges as well as American Depositary Receipts (“ADRs”) and Global Depositary Receipts (“GDRs”).
The Fund may sell a stock when it reaches a target price, it fails to perform as expected, or other opportunities appear more attractive. As a result, the Fund may engage in active trading of portfolio securities.
The Fund may invest a significant portion of its assets in securities of companies conducting business within a single sector, as defined by third party sources. For the purpose of categorizing companies, sectors are a broader category than industries and industries comprise sectors.
The Fund invests in cash (and cash equivalents) when the Fund is unable to find enough attractive long-term investments to meet its investment objective, in the event of a large redemption order from an Authorized Participant (as defined below) and/or when the Manager believes it is advisable to do so during times of short-term market volatility. During these times, cash (and cash equivalents) will not exceed 15% of the Fund’s net assets.
The Fund is an actively managed exchange-traded fund (“ETF”) that does not seek to replicate the performance of a specified index.
Principal Risks
An investment in the Fund involves risks. The Fund’s share price may go down, which means you could lose money. An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The following is a summary description of principal risks involved in investing in the Fund.
ETF Risks
ETF Risk – ETF shares are based on market price rather than net asset value (“NAV”), as a result, shares may trade at a price greater than NAV (a premium) or less than NAV (a discount). The Fund may also incur brokerage commissions, as well as the cost of the bid/ask spread, when purchase or selling ETF shares.
Market Trading Risk – The Fund faces numerous market trading risks, including the potential lack of an active market for Fund shares, losses from trading in secondary markets, periods of high volatility and disruption in the creation and/or redemption process of the Fund. Any of these factors, among others, may lead to the Fund’s shares trading at a premium or discount to NAV. Thus, you may pay more (or less) than NAV when you buy shares of the Fund in the secondary market, and you may receive less (or more) than NAV when you sell those shares in the secondary market. The Manager cannot predict whether shares will trade above (premium), below (discount) or at NAV.
Authorized Participant Concentration Risk – Only an authorized participants who have entered into agreements with the Fund’s distributor (“Authorized Participants”) may engage in creation or redemption transactions directly with the Fund. The Fund may have a limited number of institutions that act as Authorized Participants, none of which are obligated to engage in creation or redemption transactions. To the extent that these institutions exit the business or are unable to proceed with creation and/or redemption orders with respect to the Fund and no other Authorized Participant is able to step forward to process creation and/or redemption orders, Fund shares may trade at a discount to NAV and possibly face trading halts and/or delisting. This risk may be more pronounced in volatile markets, potentially where there are significant redemptions in ETFs generally. Authorized participant concentration risks may be heightened in scenarios where Authorized Participants have limited or diminished access to the capital required to post collateral.
Cash Transactions Risk – The Fund may effect its creations and redemptions for cash, rather than for in-kind securities. Therefore, it may be required to sell portfolio securities and subsequently recognize gains on such sales that the Fund might not have recognized if it were to distribute portfolio securities in-kind. As such, investments in Fund shares may be less tax-efficient than an investment in an ETF that distributes portfolio securities entirely in-kind. Cash transactions may have to be carried out over several days if the securities market is relatively illiquid and may involve considerable brokerage fees and taxes. Brokerage fees and taxes will be higher than if the Fund sold and redeemed shares in-kind.
Large Shareholder Risk – Certain shareholders, including other funds advised by the Manager, may from time to time own a substantial amount of the shares of the Fund. In addition, a third party investor, the Manager or an affiliate of the Manager, an Authorized Participant, a market maker, or another entity may invest in the Fund and hold its investment for a limited period of time solely to facilitate commencement of the Fund or to facilitate the Fund’s achieving a specified size or scale. There can be no assurance that any large shareholder would not redeem its investment, that the size of the Fund would be maintained at such levels or that the Fund would continue to meet applicable listing requirements. Redemptions by large shareholders could have a significant negative impact on the Fund. In addition, transactions by large shareholders may account for a large percentage of the trading volume on the NYSE Arca, Inc. and may, therefore, have a material upward or downward effect on the market price of the shares.

Alger AI Enablers & Adopters ETF 4/6
Summary Prospectus
April 1, 2024
Investment Risk – An investment in the Fund is subject to investment risk, including the possible loss of the entire principal amount that you invest.
Market Risk – Your investment in Fund shares represents an indirect investment in the securities owned by the Fund. The value of these securities, like other investments, may move up or down, sometimes rapidly and unpredictably. Local, regional or global events such as environmental or natural disasters, war, terrorism, pandemics, outbreaks of infectious diseases, and similar public health threats, recessions, or other events could have a significant impact on the Fund and its investments and could result in increased premiums or discounts to the Fund’s NAV.
Equity Securities Risk – As with any fund that invests in stocks, your investment will fluctuate in value, and the loss of your investment is a risk of investing. The Fund’s price per share will fluctuate due to changes in the market prices of its investments. Also, the Fund’s investments may not grow as fast as the rate of inflation and stocks tend to be more volatile than some other investments you could make, such as bonds.
Artificial Intelligence Risk – Companies involved in, or exposed to, AI-related businesses may have limited product lines, markets, financial resources or personnel. These companies face intense competition and potentially rapid product obsolescence, and many depend significantly on retaining and growing the consumer base of their respective products and services. Many of these companies are also reliant on the end-user demand of products and services in various industries that may in part utilize AI. Further, many companies involved in, or exposed to, AI-related businesses may be substantially exposed to the market and business risks of other industries or sectors, and the Fund may be adversely affected by negative developments impacting those companies, industries or sectors. In addition, these companies are heavily dependent on intellectual property rights and may be adversely affected by loss or impairment of those rights. There can be no assurance that companies involved in AI will be able to successfully protect their intellectual property to prevent the misappropriation of their technology, or that competitors will not develop technology that is substantially similar or superior to such companies’ technology.
Companies that utilize AI in their business operations, and the challenges with properly managing AI’s use could result in reputational harm, competitive harm, and legal liability, and/or an adverse effect on such companies’ business operations. If the content, analyses, or recommendations that AI applications assist companies in producing are or are alleged to be deficient, inaccurate, or biased, the Fund may be adversely affected. Additionally, AI tools used by such companies may produce inaccurate, misleading or incomplete responses that could lead to errors in decision-making or other business activities, which could have a negative impact on the performance of such companies. Such AI tools could also be used against companies in criminal or negligent ways.
AI technology could face increasing regulatory scrutiny in the future, which may limit the development of this technology and impede the growth of companies that develop and/or utilize this technology. Similarly, the collection of data from consumers and other sources could face increased scrutiny as regulators consider how the data is collected, stored, safeguarded and used. AI companies may face regulatory fines and penalties, including potential forced break-ups, that could hinder the ability of the companies to operate on an ongoing basis. Country, government, and/or region-specific regulations or restrictions could have an impact on AI and big data companies.
AI companies typically engage in significant amounts of spending on research and development, and there is no guarantee that the products or services produced by these companies will be successful. AI companies, especially smaller companies, tend to be more volatile than companies that do not rely heavily on technology.
Growth Securities Risk – Prices of growth stocks tend to be higher in relation to their companies’ earnings and may be more sensitive to market, political and economic developments than other stocks, making their prices more volatile. An investment in the Fund may be better suited to investors who seek long-term capital growth and can tolerate fluctuations in their investment’s value.
Concentration Risk – By focusing on an industry or a group of industries, the Fund carries much greater risks of adverse developments and price movements in such industries than a fund that invests in a wider variety of industries. Because the Fund concentrates in a specific industry or group of industries, there is also the risk that the Fund will perform poorly during a slump in demand for securities of companies in such industries.
Mid Cap Securities Risk – There may be greater risk in investing in medium-capitalization companies rather than larger, more established companies due to such factors as inexperienced management and limited product lines or financial resources. It may also be difficult or impossible to liquidate a security position at a time and price acceptable to the Fund because of the potentially less frequent trading of stocks of smaller market capitalization.
Small Cap Securities Risk – There may be greater risk in investing in companies with small market capitalizations rather than larger, more established companies owing to such factors as more limited product lines or financial resources or lack of

Alger AI Enablers & Adopters ETF 5/5
Summary Prospectus
April 1, 2024
management depth. It may also be difficult or impossible to liquidate a security position at a time and price acceptable to the Fund because of the potentially less frequent trading of stocks of smaller market capitalization.
Sector Risk – The Fund may have a significant portion of its assets invested in securities of companies conducting business within a single sector, as defined by third party sources. Companies in the same sector may be similarly affected by economic, regulatory, political or market events or conditions, which may make the Fund more vulnerable to unfavorable developments in that sector than a fund that has a more diversified portfolio. Generally, the more broadly the Fund invests, the more it spreads risk and potentially reduces the risks of loss and volatility.
Non-Diversification Risk – The Fund is a non-diversified investment company. Therefore, the Fund’s performance may be more vulnerable to changes in the market value of a single issuer and more susceptible to risks associated with a single economic, political, or regulatory occurrence than a fund that has a diversified portfolio.
Foreign Securities Risk – The Fund’s performance will be influenced by political, social and economic factors affecting investments in foreign companies. Special risks associated with investments in foreign companies include exposure to currency fluctuations, lack of liquidity, potential for market manipulation, less developed or less efficient trading markets, limited access to reliable capital, lack of comprehensive company information, political instability, differing audit, regulatory, and legal standards and lack of financial reporting standards.
ADR and GDR Risk – ADRs and GDRs may be subject to some of the same risks as direct investment in foreign companies, which includes international trade, currency, political, regulatory and diplomatic risks. In a sponsored ADR arrangement, the foreign issuer assumes the obligation to pay some or all of the depository’s transaction fees. Unsponsored ADRs and GDRs are organized independently and without the cooperation of the foreign issuer of the underlying securities, and involve additional risks because U.S. reporting requirements do not apply. In addition, the issuing bank may deduct shareholder distribution, custody, foreign currency exchange, and other fees from the payment of dividends. GDRs can involve additional currency risk since, unlike ADRs, they may not be U.S. Dollar-denominated.
Portfolio Turnover (Active Trading) Risk – Because the Fund may engage in active trading of portfolio securities, it may incur increased transaction costs and brokerage commissions, both of which can lower the actual return on an investment. Active trading may also increase short-term gains and losses. To the extent net short-term capital gains are realized, any distributions resulting from such gains will generally be taxed as ordinary income tax rates for federal income tax purposes, which may result in higher taxes than an ETF investor might expect to incur.
Cash Position Risk – At times, the Fund may hold up to 15% of its net assets in cash (and cash equivalents), which may underperform relative to equity securities.
Performance
No performance information will be presented until the Fund has been in operation for a full calendar year. Annual performance information gives some indication of the risks of an investment in the Fund by comparing the Fund’s performance with a broad measure of market performance. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the Fund’s website at www.alger.com.
Management
Investment Manager
Portfolio Manager Primarily Responsible for Day-to-Day Management of the Fund
Fred Alger Management, LLC
Patrick Kelly, CFA
Executive Vice President, Head of Alger Capital Appreciation and Spectra Strategies and Portfolio Manager
Since Inception (April 2024)
Shareholder Information
Purchasing and Redeeming Fund Shares
Individual Fund shares may only be bought and sold in the secondary market through a broker or dealer at a market price. Because ETF shares trade at market prices rather than NAV, shares may trade at a price greater than NAV (premium) or less than NAV (discount). An investor may incur costs attributable to the difference between the highest price a buyer is willing to pay to purchase shares of the Fund (bid) and the lowest price a seller is willing to accept for shares of the Fund (ask) when buying or selling shares in the secondary market (the “bid-ask spread”). Once the Fund commences operations, recent information, including information on the Fund’s NAV, market price, premiums and discounts, and bid-ask spreads, will be available on the Fund’s website at www.alger.com.

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Summary Prospectus
April 1, 2024
Tax Information
The Fund’s distributions may be taxable as ordinary income or capital gains. The Fund is actively managed, and as a result, investors may receive capital gains distributions annually.
Payments to Broker-Dealers and Other Financial Intermediaries
If you purchase the Fund through a broker-dealer or other financial intermediary (such as if your account is held at a bank), the Manager or the Fund’s distributor may pay the intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the broker-dealer or other intermediary and your financial professional to recommend the Fund over another investment. Ask your financial professional or visit your financial intermediary’s website for more information.
 
 
Fred Alger & Company, LLC 100 Pearl Street, 27th Floor, New York, NY 10004 / (800) 223-3810 / www.alger.com
AIETF 4124

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