One Constellation
Due Diligence

Omnibus Account

An omnibus account is a single account held by an intermediary, such as a broker, bank, wealth platform, nominee company or fund distributor, in its own name with a fund, transfer agent, custodian or another intermediary. The intermediary aggregates the subscriptions, redemptions and holdings of many underlying clients in that one account and keeps the record of who those clients are on its own books. The fund's register shows one shareholder. For KYC purposes the question an omnibus account raises is always the same: who, if anyone, must identify the people behind it, and on what basis may the fund rely on the intermediary instead of looking through to them.

Omnibus accounts exist because they are efficient. A platform that places thousands of client orders in a fund every day cannot open thousands of register entries, and a transfer agent cannot carry KYC for investors it never meets. The cost is opacity: the fund sees flows and balances, not people. Regulators accept the arrangement but attach conditions to it, which differ by regime and by who the intermediary is.

United States: mutual funds and Rule 22c-2. SEC Rule 22c-2 under the Investment Company Act defines a financial intermediary to include any broker, dealer, bank or other person that holds securities issued by the fund in nominee name (as well as certain funds of funds and retirement-plan recordkeepers), and requires an open-end fund (or its principal underwriter or transfer agent) either to enter into a shareholder information agreement with each such intermediary that submits orders directly to the fund, its underwriter, its transfer agent or a clearing agency, or to prohibit it from purchasing fund shares in nominee name on behalf of others; money market funds and exchange-listed funds are excepted. Under the agreement the intermediary must, on request, provide the taxpayer identification number or other government identifier of every shareholder who bought, redeemed, transferred or exchanged shares through its account, with the amounts and dates; execute the fund's instructions to restrict or prohibit further purchases or exchanges by a shareholder the fund has identified as breaching its anti-dilution (frequent-trading) policies; and, on request, use best efforts to identify any indirect intermediary beneath it and, on further request, either provide the same data for its shareholders or bar it from buying in nominee name. The fund must keep a copy of every agreement in effect within the past six years in an easily accessible place (17 CFR 270.22c-2(a)(2), (a)(3) and (c)). The rule is a redemption-fee and anti-dilution rule rather than an AML rule, but in practice it is why US fund complexes have contractual access to the identities behind omnibus positions.

United States: Bank Secrecy Act. For a US broker-dealer or mutual fund, a formal relationship with a foreign financial institution to effect securities transactions (for a broker-dealer, also to hold securities; for a mutual fund, to transact in the fund's own shares) is a correspondent account (31 CFR 1010.605(c)), and 31 CFR 1010.610(a) requires a risk-based due diligence programme for it that considers the nature of the foreign institution's business and the markets it serves, the type, purpose and anticipated activity of the account, the nature and duration of the relationship with the institution and its affiliates, the AML and supervisory regime of the licensing jurisdiction (and, where information is available, of any corporate owner's jurisdiction), and what is known about the institution's AML record, with periodic review of activity against the expected profile. Separately, the beneficial ownership rule in 31 CFR 1010.230 excludes from the definition of legal entity customer a US-regulated financial institution, a foreign financial institution whose regulator maintains beneficial ownership information about it, and a pooled investment vehicle operated or advised by an excluded institution, while a pooled vehicle operated or advised by a financial institution that is not excluded is subject only to the control prong (1010.230(e)(2) and (e)(3)). Those exclusions are why a regulated intermediary's omnibus account is treated differently from a private company's account.

Singapore: fund managers and VCCs. The Guidelines to MAS Notice SFA04-N02 address the case directly. Where a capital markets intermediary has engaged distributors to market its funds, the end investors are beneficial owners of its customers, the funds; the intermediary typically has no visibility of them because the distributor owns the relationship and "could be using omnibus accounts in its own name". Where the underlying investors are customers of a distributor that is a financial institution supervised by MAS, or a foreign financial institution supervised for AML/CFT to FATF-consistent standards, the intermediary should obtain confirmation from the distributor that it is responsible for the AML/CFT checks on the underlying investors, and may consider whether simplified due diligence applies to the distributor itself (Guidelines paragraph 2-3(b)). This sits on the Notice's rule that a firm need not inquire into the beneficial owners of a customer that is an Appendix 1 financial institution or a FATF-supervised foreign financial institution, unless it has doubts or suspicions (paragraph 6.16(c) and (d)), and must document the basis for treating a foreign institution (or a vehicle managed by one) as such (6.17). The Guidelines to MAS Notice VCC-N01 (paragraph 2-3(a)) apply the same approach to a distributor that uses omnibus accounts to subscribe to a variable capital company: the distributor is the customer, the beneficial-owner measures focus on the underlying investors, and if the distributor does not meet the paragraph 7.15 criteria the VCC must perform CDD, or where permitted simplified CDD, on the underlying investors itself.

Omnibus and the alternatives

ArrangementWho appears on the fund registerWho holds the investor file
Fully disclosedEach investor in its own nameThe fund, its manager or its transfer agent performs KYC on every investor
Omnibus (nominee) accountOne intermediary, for example a platform, private bank, broker or distributor, in its own nameThe intermediary keeps the sub-ledger of underlying clients and, usually, their KYC; the fund must decide whether it may rely on that, document the basis, or look through
Omnibus with designated sub-accountsThe intermediary, with sub-account references for each clientIdentity data may be shared under agreement; still an intermediated relationship for KYC purposes
Fund of funds or feederThe investing fund in its own nameThe investing fund's manager holds the end-investor files; the underlying fund applies an investment-vehicle exemption where one exists (for example MAS Notice SFA04-N02 6.16(e)) or looks through

How to apply KYC to an omnibus account

1. Classify the intermediary. Establish what it is, where it is licensed, and whether it is supervised for AML/CFT to a standard consistent with the FATF Recommendations. Verify the licence against the regulator's register and screen the intermediary, its owners and its directors as you would any entity customer; see KYB.

2. Choose the route and write it down. Three outcomes are possible: the intermediary qualifies for an exemption from beneficial-owner inquiry and provides confirmation (in practice, written) that it is responsible for the checks on its clients; the firm relies on the intermediary as a third party under the applicable reliance rules, which require the firm to obtain the third party's CDD information immediately, to have the underlying data and documents available without delay on request, and leave it responsible for ongoing monitoring and for compliance (MAS Notice SFA04-N02 paragraphs 9.2 to 9.5; VCC-N01 paragraph 10); or no exemption or reliance is available and the firm must identify and verify the underlying investors, applying simplified measures only where the conditions are met. Record the determination and the evidence, as MAS Notice SFA04-N02 paragraph 6.17 requires for foreign institutions.

3. Put the access rights in the agreement. Whatever route is chosen, the distribution or nominee agreement should give the fund the right to obtain underlying-investor identity and transaction data on request, to require the intermediary to restrict or block a client, to be told of any indirect intermediary beneath the account, and to receive AML representations and notice of regulatory change. In our experience Rule 22c-2's shareholder information agreement is a workable model outside the United States too.

4. Monitor the account as an account. Subscriptions, redemptions and transfers through an omnibus account should be monitored against the intermediary's expected profile: unusual sizes, round-trip patterns, redemptions to accounts other than the intermediary's, and activity inconsistent with the markets the intermediary says it serves. Re-screen the intermediary on the same cycle as other institutional customers and refresh its classification when its licence, ownership or home-country supervision changes.

5. Keep the register honest. The transfer agent's register should flag which holders are omnibus, which agreement governs each, and the date the exemption or reliance determination was last reviewed, so that an auditor, a regulator or an operational due diligence team can see the basis for every intermediated holding. Our guide to transfer agents and shareholder identity verification covers the register side in more detail.

Common mistakes

Treating "omnibus" as an automatic exemption rather than a classification that must be earned and documented; accepting a foreign intermediary's self-description without checking that its home regime supervises it for AML/CFT; ignoring the indirect intermediaries that sit beneath a platform; failing to notice that a redemption is being paid to someone other than the account holder; and leaving the reliance or exemption basis undocumented, so that when a regulator asks who the investors behind the account are, the file contains a name and nothing else. For a fund manager the omnibus question is part of the broader know-your-investor design, and for an administrator or transfer agent it is one of the main reasons an investor onboarding process needs to record not only each investor but the route by which the firm satisfied itself about them.

Key points

  • One intermediary on the register, many clients behind it; the intermediary keeps the sub-ledger
  • Regulators allow it with conditions: supervised-intermediary exemptions, documented reliance or look-through
  • US Rule 22c-2 gives funds contractual access to the identities behind nominee positions; the BSA treats accounts held for foreign financial institutions as correspondent accounts
  • Document the classification, secure access rights in the agreement and monitor the account against its expected profile

How One Constellation helps

One Constellation gives fund managers, administrators and transfer agents an investor onboarding portal with identity verification, KYB and beneficial-ownership tracing, sanctions, PEP and adverse-media screening, transaction monitoring and case management with STR workflows, so an omnibus holder, its classification and the investors behind it are recorded and reviewed in one place.

Explore Investor Onboarding

Frequently asked

What is an omnibus account?+
An omnibus account is a single account that an intermediary, such as a broker, bank, platform, nominee or fund distributor, holds in its own name with a fund or another intermediary, in which it pools the holdings and transactions of many underlying clients. The fund's register shows the intermediary as one holder, and the intermediary keeps the record of who its clients are.
Does a fund have to identify the investors behind an omnibus account?+
It depends on who the intermediary is. Under MAS Notice SFA04-N02 and MAS Notice VCC-N01 a fund manager or VCC need not inquire into the beneficial owners of a customer that is an Appendix 1 (MAS-regulated) financial institution or a foreign institution supervised for AML/CFT to FATF-consistent standards, provided it has no doubts or suspicions and, for a foreign institution, documents the basis for that determination, and the MAS Guidelines say it should obtain the distributor's confirmation that it performs the checks on the underlying investors. Where the distributor does not meet those criteria, the Guidelines say the fund cannot rely on it and must perform due diligence on the underlying investors itself, applying simplified measures only where the Notice's conditions are met.
What is a shareholder information agreement under Rule 22c-2?+
A written agreement in which a financial intermediary that holds US mutual fund shares in nominee name agrees to provide, on the fund's request, the taxpayer identification numbers and transaction details of the shareholders behind its account, to execute the fund's instructions to restrict trading by particular shareholders, and to identify any indirect intermediaries beneath it. Funds must either have such an agreement or prohibit the intermediary from buying in nominee name on behalf of others.
Is an omnibus account the same as a nominee account?+
They overlap. A nominee account is held by a nominee on behalf of one or more beneficial owners; an omnibus account is a nominee account that pools many clients together without separate entries on the fund's register. Both are intermediated holdings where the legal holder and the beneficial owners differ.
What should a transfer agent record for an omnibus holder?+
The intermediary's identity and verification, its regulatory status and the evidence for it, the exemption, reliance or look-through route the fund chose and the date of that determination, the agreement that gives the fund access to underlying-investor data, the screening history, and the monitoring of the account's flows against its expected profile.

Know Who Is Behind Every Holding

Onboard direct and intermediated investors, record the basis for every exemption or reliance decision and keep screening and monitoring current in one workflow built for fund managers, administrators and transfer agents.

Scroll to Top