Resources / Glossary / Second lien

Second lien.

Aka. Second-lien debt · Second-lien loan
All terms

What is second lien?

Second-lien debt is a loan secured by a second-priority claim on the same collateral that secures the first-lien debt. Both sets of lenders hold a security interest in the same assets, but the first lien is paid from that collateral first; the second lien recovers only from what is left after the first-lien claim is satisfied.

It is junior in priority but still secured — and that distinction matters. A second-lien lender ranks behind the first lien against the collateral, yet ahead of unsecured creditors and equity. It occupies a middle position, riskier than first-lien debt and therefore priced higher, but better positioned than truly subordinated or unsecured capital.

The relationship between the two lien classes is governed by an intercreditor agreement. That document dictates who controls the collateral, who can enforce and when, and how proceeds are shared — and it is often where the real negotiation between first and second lien plays out.

How second lien actually works

Priority on the collateral is what defines the second lien's risk and return.

  1. Share the collateral. Both first and second lien hold a security interest in the same assets, ranked by priority.
  2. Wait in line. On enforcement, proceeds from the collateral repay the first lien in full before the second lien receives anything from those assets.
  3. Govern by intercreditor. An intercreditor agreement sets the rules — standstill periods, enforcement rights, and the waterfall of proceeds between the lien classes.
  4. Price for the risk. Because recovery is subordinated, second-lien debt carries a higher spread than the first lien to compensate.

Second lien versus subordinated debt

Both rank behind first-lien debt, but they are not the same. Second-lien debt is secured — it has a claim on collateral, just at second priority. Subordinated or mezzanine debt is typically unsecured and ranks behind all secured debt, closer to equity.

In a recovery, that difference can be decisive: a second-lien lender has a secured claim on the collateral pool after the first lien, whereas a subordinated lender depends on whatever value remains once all secured claims are paid.

Frequently asked.

4 questions
01 Is second-lien debt secured?

Yes. Second-lien debt holds a real security interest in collateral — it is secured, just at second priority behind the first lien. That is what distinguishes it from unsecured or subordinated debt, which has no collateral claim at all.

02 What's the difference between first lien and second lien?

Both are secured by the same collateral, but the first lien has first claim on that collateral and the second lien has the next claim. On enforcement, the first lien is repaid in full from the collateral before the second lien recovers anything from it, which is why second-lien debt is priced higher.

03 Why does the intercreditor agreement matter so much for second lien?

Because it defines the second-lien lender's actual rights. It sets when the second lien can enforce, how long it must stand still while the first lien acts, and how collateral proceeds are split. Two second-lien positions can look similar on coupon yet differ sharply in real protection depending on what the intercreditor agreement allows.

04 When do borrowers use second-lien debt?

When they want additional secured leverage on top of the first lien without resorting to more expensive unsecured or mezzanine capital. A second lien lets a borrower raise more debt against the same collateral at a lower cost than fully subordinated capital, while giving those lenders a secured — if junior — claim.

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