Quant Memo
Core

Underwriting Syndicates and League Tables

Why a single large bond or stock offering is sold by a group of banks rather than one, and why banks care so much about their ranking on the annual 'league tables' that measure who did the most deals.

Prerequisites: Sell Side vs Buy Side

When a company issues a large amount of new stock or debt — say, a $2 billion bond offering — the risk of committing to buy that entire issue and resell it to investors is usually too large, and too concentrated in one name, for a single bank to want to hold alone. So banks form an underwriting syndicate: a group of investment banks that jointly commit to buy and distribute the offering, each taking a slice of the total size and a corresponding slice of the fee, spreading both the placement work and the risk of being unable to sell the whole thing across several firms instead of one.

Inside a syndicate, roles aren't equal. One or two banks act as lead underwriter (or "bookrunner"), running the actual sale process — building the order book of investor demand, setting the final price, and deciding how much of the deal each investor gets allocated. The remaining syndicate members are co-managers, contributing distribution reach to additional investors and taking on a slice of the placement risk, but with far less say over pricing and allocation decisions, and a correspondingly smaller cut of the fee. Being named lead bookrunner is worth substantially more to a bank than being a minor co-manager on the same deal, both in fee dollars and in the credit the deal gives the bank with the issuer for future business.

That credit is exactly what league tables measure: published, regularly updated rankings of which banks led the most deals, by dollar volume, within a given category — say, US investment-grade bond underwriting, or global mergers-and-acquisitions advisory. Banks care intensely about league table position because it functions as a public credibility signal to future issuers: a company choosing who should lead its next bond deal looks at who's led the most similar deals recently as a proxy for who has the strongest distribution network and market relationships. This creates a self-reinforcing incentive: banks sometimes accept a thinner fee, or even a small loss, on a deal specifically to keep or improve league-table ranking, because the ranking itself helps win future, more profitable mandates.

The competitive stakes around league tables are visible in how deals get named and credited — issuers are sometimes lobbied hard by banks over which one gets listed as "lead left" (the most prominent position on the offering document), because that credit flows directly into the league-table calculation that shapes who gets hired next time.

Underwriting syndicates spread the fee and placement risk of a large offering across several banks, with a lead bookrunner taking the largest share of both; league tables that rank banks by deal volume matter because they function as a public credibility signal that issuers use when choosing who to hire for their next deal.

Related concepts

Practice in interviews

Further reading

  • Thomson Reuters/LSEG, 'Investment Banking League Tables'
ShareTwitterLinkedIn