How securities financing connects long-term investment with liquidity needs and balance-sheet flexibility

The ability to finance a securities portfolio is being reshaped in places that rarely feature in investment presentations. The U.S. Securities and Exchange Commission (SEC) has set December 31, 2026, as the compliance date for expanded central clearing of eligible Treasury cash-market transactions, followed by June 30, 2027, for eligible repurchase transactions. On October 30, it issued targeted exemptions for certain inter-affiliate and non-U.S. repo transactions, refining how the framework will apply across institutions and jurisdictions. The changes concern the arrangements through which securities are traded and financed, rather than the payments those securities promise their holders.

Canada is undertaking a related modernization. On September 29, the Bank of Canada confirmed that it would begin using the Canadian Collateral Management Service (CCMS) for its repo operations in the first quarter of 2027. The platform handles post-trade processes and collateral management, with the aim of improving settlement efficiency and flexibility. The announcement reflects growing attention to a practical question: how readily can an investment holding support a funding requirement?

For institutions and internationally connected families, that question belongs alongside the familiar analysis of return and risk. A portfolio may be valuable, diversified, and appropriate to a long-term strategy while its owner faces an immediate cash requirement. Securities financing can provide another option besides drawing down reserves or permanently selling investments. Its value depends on the terms under which cash becomes available, the obligations created in exchange, and the capacity to repay without making the original investment strategy hostage to the loan.

The Decision Before the Loan

Consider a hypothetical family office preparing to complete a business acquisition before a substantial distribution is expected from another investment. It holds a portfolio of marketable securities that it would otherwise retain. The immediate requirement is cash; the underlying investment view has not necessarily changed. The office must compare using reserves, selling selected holdings, and borrowing against eligible assets.

There is no inherently superior answer. Selling reduces the portfolio and removes the need to service a new liability. Using cash reserves avoids financing costs but leaves less immediately available for other commitments. Borrowing may preserve investment exposure during the intervening period, although the comparison changes if the expected distribution is delayed or the collateral loses value. The decision concerns the entire balance sheet, including obligations that may arise before the planned repayment.

The first question should therefore be what the financing is intended to accomplish. A temporary mismatch between receipts and payments presents a different problem from expenditure that permanently exceeds available income. The presence of securities a lender will accept cannot resolve that distinction. It establishes potential security for a loan, not the economic justification for taking one.

Different Transactions, Different Rights

Portfolio-secured lending provides the most direct example. Under a Lombard loan or comparable arrangement, eligible investments support a credit facility, subject to the lender’s valuation, eligibility rules, and contractual limits. The borrower may retain the investment positions rather than sell them outright, but pledging them changes the conditions under which they can be managed or released. Lending capacity remains dependent on the accepted value of the collateral and the applicable credit limit.

A repurchase agreement, or repo, uses a different legal structure. As the International Capital Market Association (ICMA) explains, one party sells securities and agrees to repurchase equivalent securities at a later date, or on demand under an open arrangement. Economically, the transaction serves as secured borrowing, but legally it involves a sale and repurchase. The counterparty providing cash is undertaking a reverse repo. Describing the transaction simply as a loan that leaves ownership untouched would obscure an important part of the arrangement.

Securities lending serves a related but distinct function. It commonly responds to another party’s demand to borrow particular securities, with the lender receiving compensation under the agreed terms. Cash received as collateral carries corresponding obligations and should not be treated as unrestricted funds available for unrelated expenditure. Repo and securities lending overlap in some applications, but their predominant purposes differ: financing cash needs in the former and sourcing securities in the latter.

These distinctions determine what happens when circumstances change. Rights over collateral, permitted substitution, the handling of income payments, and the treatment of a counterparty default belong within the investment assessment. ICMA emphasizes that collateral reduces exposure only when the asset can be valued, mobilized, and, where necessary, realized under reliable contractual arrangements. The presence of collateral does not remove the need to assess the counterparty.

Market Value Is Only the Starting Point

A quoted price indicates what a security is worth in the market; it does not establish how much a lender will advance against it. Financing terms reflect the assets accepted, their price behavior, their liquidity, and the transaction itself. Research published by the Bank of England finds that collateral quality, liquidity, maturity, and counterparty characteristics influence repo haircuts. Two portfolios with identical market values can consequently support different financing arrangements.

A haircut is the discount applied to the market value of collateral when calculating the cash advanced in a repo. It provides a cushion against potential changes in value and the costs of realizing the securities following default. It protects the financing arrangement against specified uncertainties; it does not protect the investor from losses on the underlying holdings. Where the collateral and financing are denominated in different currencies, exchange-rate movements add to those uncertainties.

A simplified portfolio-loan example illustrates the distinction. Suppose a lender permits borrowing of up to 70% against an eligible portfolio worth $10 million, and the client draws $6 million. A 20% decline in the portfolio reduces its value to $8 million and, at the unchanged advance rate, its lending capacity to $5.6 million. Ignoring interest and fees, restoring compliance through repayment would require $400,000, or the borrower would need to provide acceptable additional collateral under the agreement. The portfolio still exceeds the loan in market value, but it no longer provides the required margin.

The example also explains why maximum borrowing capacity is an incomplete measure of financial flexibility. Unused capacity can help absorb a decline, although it can shrink with the same assets on which the borrowing depends. The useful question is how the arrangement behaves after an adverse move, rather than how much can be drawn under today’s valuation.

Collateral Must Be Reachable

An asset can be eligible in principle yet unavailable for a particular transaction. It may already be pledged, held by another legal entity, or subject to operational requirements that prevent timely delivery. The Basel Committee on Banking Supervision (BCBS) requires banks to distinguish encumbered from unencumbered assets and monitor where collateral is held, which entity controls it, and how quickly it can be mobilized. Although addressed to banks, the underlying questions are relevant to any institution relying on assets to meet funding needs.

Imagine an investment group with sufficient securities across several custodians and subsidiaries. A consolidated statement may suggest ample resources, but the entity facing a payment deadline still needs authority to use the relevant assets and arrangements to deliver them. Securities in another account do not become usable merely because they appear in the same group report. The financing plan must identify what can actually be transferred, by whom, and within which settlement window.

This is where custody and collateral administration acquire financial significance. In a tri-party repo, an agent handles functions such as selecting eligible collateral, settlement, valuation, and substitution within agreed parameters. That can reduce the operational burden on the counterparties. It is different from central clearing: using an agent does not, by itself, transfer the parties’ credit exposure to that agent. The legal and risk relationships still require their own assessment.

The distinction also helps explain the current infrastructure developments. Better collateral administration can make existing assets more practical to use without changing their underlying investment merits. The benefit is earned through reliable processes, accurate information, and fewer obstacles between an approved financing arrangement and the delivery of funds.

The Call That Changes the Calculation

Collateral calls are a normal protection within secured financing, but they can arrive at an inconvenient moment for the borrower. ICMA’s repo guidance calls for frequent valuation and adjustments when the relationship between cash and collateral changes. Parties need agreed procedures for determining, communicating, and meeting those requirements. A position intended to remain invested for years can therefore create a cash obligation on a much shorter timetable.

The Financial Industry Regulatory Authority (FINRA), in its U.S. guidance on securities-backed credit lines, warns that lenders may require additional collateral or repayment when coverage becomes insufficient. Some arrangements also allow changes to eligible securities or collateral requirements, and certain facilities are repayable on demand. If the borrower cannot comply, securities may be sold. The precise rights depend on the agreement, so a facility should not be treated as committed long-term liquidity merely because the supporting investments are long term.

The broader liquidity problem has attracted sustained regulatory attention. In recommendations published in December 2024, the Financial Stability Board (FSB) emphasized preparedness for margin and collateral calls across non-bank institutions, including insurers, pension funds, investment funds, and family offices. Its framework places stress testing, contingency funding, available collateral, and operational readiness within the same assessment. The concern is that protections against counterparty risk can simultaneously increase the demand for liquidity during market stress.

A useful test would therefore combine adverse developments rather than examine them separately. Suppose collateral prices fall while an expected business distribution is postponed and the cost of borrowing rises. The institution must determine which resources remain available without assuming that every other source of finance will continue on unchanged terms. Planning for that combination is part of making financing usable, rather than a reason to dismiss it.

The Cross-Border Calculation

International portfolios add a currency dimension that can be missed in a consolidated valuation. Consider an institution borrowing euros against dollar-denominated securities. Even if the securities’ dollar prices remain unchanged, a weaker dollar can reduce their value relative to the euro obligation. If repayment is expected from a business earning a third currency, the institution faces another exposure that collateral selection alone cannot address. The financing and repayment plan must account for each conversion separately.

Legal and operational geography also remain relevant. A lender needs confidence in its rights, while a borrower needs to understand which entity has assumed the obligation and what restrictions attach to the assets. The SEC’s October exemptions for specified non-U.S. and inter-affiliate repo transactions illustrate how much transaction scope depends on the parties and their relationships. They are targeted provisions with conditions, not a general exemption for cross-border business.

A lower quoted borrowing rate is therefore only one input into the comparison. The institution should evaluate the currency of repayment, any hedging arrangement, fees, custody requirements, and the operational cost of maintaining the collateral. A financing proposal becomes more useful when those components are considered together. Comparing headline rates while leaving their accompanying obligations unexplored risks selecting the cheapest-looking arrangement rather than the most suitable one.

The Repayment Test

The strongest case for securities financing includes a credible source of repayment that does not depend entirely on the pledged portfolio appreciating. In the hypothetical acquisition example, a forthcoming distribution might provide that source, but its timing and reliability still need to be examined. A contractual receipt, a forecast dividend, and a hoped-for sale of a private investment should not be assigned the same degree of certainty.

The financing horizon should reflect that assessment. Repeatedly renewing short-term borrowing against a long-term use of funds creates dependence on future lender appetite and market conditions. A facility that can be called on demand cannot be made equivalent to a term commitment through the borrower’s intention to retain it. FINRA’s guidance makes that distinction explicit for the securities-backed credit lines it describes.

The economics should also survive a comparison with selling. Retaining a security preserves exposure to appreciation and income, but also to losses, while financing introduces interest expense and other obligations. Avoiding an immediate disposal does not establish that borrowing will produce a better outcome. Where the capital need is permanent, repayment uncertain, or the financing expensive relative to its purpose, a planned sale may leave the institution with a more manageable position.

For lenders, collateral remains a secondary source of repayment rather than a substitute for credit analysis. A security whose value deteriorates when the borrower’s condition weakens provides less reassurance than its current price may suggest. ICMA identifies this relationship as wrong-way risk. Understanding it requires examining the connection between the borrower’s economic position and the assets supporting the transaction.

A More Useful Balance Sheet

The reforms now approaching implementation are making the infrastructure of securities financing more visible. In September, the SEC described work on clearing access, documentation, margin arrangements, and operational preparation for the Treasury market transition. These developments can broaden the ways institutions process transactions, but their economic usefulness will depend on how the arrangements work for particular participants. Better infrastructure creates possibilities; it does not settle the decision to borrow.

For a client, the practical benefit of a capable banking relationship lies in connecting the information usually divided between investment management, custody, and treasury. The assets must be understood as investments and as potential security, with the loan assessed against the expenditure it finances and the resources that will repay it. Bringing those perspectives together can expand the range of reasonable choices without assuming that more leverage is desirable.

The strategic value of collateral is consequently measured by the decisions it helps an institution make. Properly arranged financing can accommodate a timing mismatch while allowing an appropriate investment strategy to continue. Poorly matched financing can make that same strategy dependent on daily valuations and the willingness of another party to extend credit. A useful arrangement leaves the institution able to meet its obligations and respond to changing conditions, rather than merely able to borrow the largest amount today.

About Berkeley Financial

Berkeley Financial is an international financial group providing institutional banking, private banking, investment services, custody, securities financing, and cross-border financial solutions. Its approach emphasizes governance, relationship-driven execution, and the requirements of institutions and sophisticated clients with international financial needs.

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Disclaimer

This article is provided for informational purposes only and does not constitute investment, legal, tax, regulatory, or financial advice, nor an offer or recommendation concerning any security, loan, repo, or financing arrangement. Examples are hypothetical and do not describe a specific Berkeley offering. Securities financing may involve market, credit, liquidity, interest-rate, currency, refinancing, counterparty, and legal risks, including collateral calls, forced liquidation, and loss. Eligibility, permitted use, availability, and terms vary by institution and jurisdiction. Decisions should consider the relevant documentation, total costs, repayment capacity, liquidity requirements, and ability to meet additional collateral demands. Regulatory observations reflect information available on November 1, 2026.

References

1. U.S. Securities and Exchange Commission (SEC). “Treasury Clearing Implementation.” Official implementation resource covering compliance dates, guidance, exemptions, and the transition to expanded central clearing of eligible U.S. Treasury transactions.
2. SEC. “SEC Issues Exemptive Relief from Treasury Clearing Requirements for Certain Inter-Affiliate and Non-U.S. Repo Transactions.” Press Release No. 2026-111, October 30, 2026.
3. Gravelle, Toni. “Repo Markets and Monetary Policy Implementation.” Bank of Canada. Remarks at the Bloomberg Canadian Finance Conference, New York, September 29, 2026.
4. UBS. “Lombard Loans.” Singapore wealth-management resource explaining portfolio-secured borrowing, collateral requirements, lending capacity, and associated risks.
5. International Capital Market Association (ICMA). “What Is a Repo?” Frequently Asked Questions on Repo, Question 1. Explanation of the legal structure and economic function of repurchase agreements.
6. ICMA. “What Is the Difference Between Repo and Securities Lending?” Frequently Asked Questions on Repo, Question 13.
7. Julliard, Christian, Gábor Pintér, Karamfil Todorov, Jean-Charles Wijnandts, and Kathy Yuan. “What Drives Repo Haircuts? Evidence from the UK Market.” Bank of England, Staff Working Paper No. 985, June 10, 2022. Updated January 2025.
8. Basel Committee on Banking Supervision (BCBS). “Liquidity Risk Management and Supervision.” Bank for International Settlements, Basel Consolidated Guidelines, LQY10. Particularly Principle 9 on collateral management, asset encumbrance, and the ability to mobilize collateral.
9. ICMA. “How Do Repo Parties Ensure They Have Enough Collateral?” Frequently Asked Questions on Repo, Question 20. Discussion of collateral selection, valuation, margin calls, legal documentation, and wrong-way risk.
10. Financial Industry Regulatory Authority (FINRA). “Securities-Backed Lines of Credit Explained.” January 3, 2024. Investor guidance on borrowing against securities, maintenance calls, demand-loan provisions, and potential liquidation.
11. Financial Stability Board (FSB). Liquidity Preparedness for Margin and Collateral Calls: Final Report.December 10, 2024. Recommendations addressing liquidity management, governance, stress testing, contingency funding, and collateral preparedness among non-bank market participants.
12. Uyeda, Mark T. “Remarks at the 2026 U.S. Treasury Market Conference.” U.S. Securities and Exchange Commission. New York, September 22, 2026.

Sources accessed November 1, 2026. Regulatory observations reflect the implementation status and conditions described in the cited publications. References to third-party institutions and products are explanatory and do not imply affiliation, endorsement, or any Berkeley offerings.