OpenIM The Open Investment Model

SD-12.13 — Securities Lending Operations

Business Domain: BD-12 Investment Operations & Servicing (Back office) · Applies: PUB

Purpose

Manages the lending of the firm’s securities to generate incremental return — running the loan book, managing the borrowers and the collateral against each loan, processing recalls, and accounting for the lending revenue. A long-term holder of liquid securities can lend them to borrowers (typically short-sellers and market-makers) for a fee, taking collateral against the loan. SD-12.13 is the operational loan book behind that programme. It exists because securities lending is both a revenue line and an operational-risk domain — collateralisation, borrower default, and the recall-before-record-date interaction with voting — that is too often treated as a custodian black box. It is not the programme decision, the lending-agent oversight or the cash-collateral reinvestment — those are SD-11.8 Securities Finance & Funding, the principal-side treasury capability — and it is not the voting decision a recall serves — that is SD-12.12. SD-11.8 decides and funds; SD-12.13 operates the book; SD-12.12 decides a vote needs the security back.

Service Operations

  • Loan-book management — maintain the book of securities out on loan: which holdings are lent, to which borrower, at what fee, against what collateral, since when.
  • Borrower management — manage the panel of approved borrowers, the borrower limits, and the exposure to each borrower across the loan book.
  • Lendable-supply and utilisation management — determine which holdings are available to lend (respecting restrictions, pending sales and voting intentions) and manage the utilisation of the lendable pool.
  • Loan collateral management — manage the collateral taken against each loan — its valuation, margining, eligibility and the daily mark — so every loan stays adequately collateralised.
  • Recall processing — process recalls: return a lent security to the firm, whether for a sale, for a voting intention flagged by SD-12.12, or for a borrower-driven return, before the relevant deadline.
  • Lending-revenue accounting — calculate and account for the lending fee income, net of the agent’s split and any rebate, and allocate it to the lending portfolios.
  • Corporate-action and dividend handling on loaned securities — manage the manufactured-dividend and entitlement treatment of corporate actions and income on securities while they are out on loan.

Inputs and outputs

  • Inputs: holdings available to lend from SD-12.1; voting intentions and recall instructions from SD-12.12; corporate-action and income events from SD-12.6 / SD-12.7; the lending agent’s loan and collateral data; borrower limits.
  • Outputs: the loan book, collateral positions, recall confirmations and lending revenue — consumed by SD-12.1 IBOR and SD-12.2 ABOR (a lent security and its loan state), SD-12.12 Proxy Voting & Stewardship Operations (recall confirmations), SD-07.2 Credit & Counterparty Risk Management (borrower exposure), SD-14.1 Enterprise & Operational Risk Management, SD-09.1 Performance Measurement (lending revenue in return), SD-12.10 Reconciliation, and SD-12.9 Fund Accounting & NAV (net lending fee accrued into the class NAV at the strike).

Entities

  • Consumes: E-04 Holding / Position (book = ibor — the live holding lent), E-02 Instrument / Asset, E-01 Legal Entity (the borrower, in a counterparty role), E-06 Cash Flow Event (the lending fee income), E-07 Valuation (any method — the collateral mark applies whichever valuation method governs the collateral instrument); the SD-12.1 holdings available to lend; the SD-12.12 voting intentions and recall instructions; the SD-12.6 corporate-action and income events; the SD-12.7 corporate-action and income events.
  • Owns: PB-10 Securities Loan — one record per loan, carrying the borrower (E-01 counterparty role), lent quantity, fee, term and recall status, with its collateral leg referencing E-26 Collateral Position (the one collateral abstraction DR-04 Margin & Collateral Balance and PB-10 both use, rather than each carrying its own). A loan is a relationship with its own lifecycle that a holding’s lent flag (E-04) cannot carry.

Standards

  • GMSLA — the Global Master Securities Lending Agreement, the market-standard master agreement that governs a securities-lending relationship; the equivalent of the ISDA master for derivatives.
  • ISO 20022 / ISO 15022 messaging carries the loan, collateral and recall instructions in an agency-lending programme.
  • The record-date recall discipline — a lent security must be recalled before the record date to be voted — is the operational constraint linking SD-12.13 to SD-12.12; manufactured-dividend treatment is the equivalent for income.

Open extensions

  • The Service-Operation-level input/output contracts.
  • The collateral-mark and margining sub-model on PB-10 — the daily mark of the loan’s collateral against the lent value, sharing the E-26 / DR-04 collateral machinery.
  • The agency vs principal lending sub-model — the difference between lending through a custodian agent and lending direct.

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