The capital stack outlines the legal and financial priority hierarchy of all capital sources contributing to the financing of an enterprise or real estate asset, defining the order of cash flow distributions and liquidation claims.
CORPORATE WISDOM · REAL ESTATE AND PROJECTS
Capital Stack
In One SentenceThe hierarchy of different sources of capital funding a business or project.
Hierarchy: Senior Debt (Lowest Risk/Return) → Mezzanine / Subordinated Debt → Preferred Equity → Common Equity (Highest Risk/Return)
→↓←
PRACTICAL FRAMEWORK
Executive Perspectives & Ground Reality
The layers of money used to fund a project, showing who gets paid first when cash comes in, and who takes the hit first if the project loses money.
A layer cake. Senior bank debt is the bottom layer (safest, first in line for payments, lowest return). Mezzanine debt is the middle layer. Common equity is the icing on top (takes all residual profits if successful, but loses everything first if the cake collapses).
₹100 crore capital stack: ₹55 crore Senior Bank Debt (9% interest, 1st mortgage charge); ₹15 crore Mezzanine Debt (14% return, 2nd charge); ₹10 crore Preferred Equity (16% preferred coupon); ₹20 crore Common Sponsor Equity (residual equity upside).
When a project encounters distress, junior lenders or equity holders can be wiped out completely while senior debt recovers 100% of their principal. Knowing exactly where you sit in the stack is critical.
Optimizing your capital stack blends low-cost senior debt with equity to minimize overall weighted cost of capital (WACC) while maintaining safe debt service coverage margins.
What Capital Stack Is Not
Capital Stack and Single Uniform Financing Layer
The capital stack arranges multiple financing tiers including senior debt, mezzanine instruments, and sponsor equity, each carrying distinct risk and return profiles.
Capital Stack and Permanent Capital Structure
A capital stack evolves as expensive construction mezzanine financing is refinanced with lower cost operational debt or InvIT equity post commissioning.
Capital Stack and Independent Financing Tiers
Junior tiers provide loss cushions that safeguard senior debt; a default or covenant breach in one layer affects the entire financing structure.
Capital Stack and Pure Interest Cost Minimisation
Optimising the capital stack requires balancing borrowing costs against repayment flexibility, refinancing horizons, and operational control.
Questions Business Leaders Ask About Capital Stack
What is the function of mezzanine debt in the capital stack?
It bridges the gap between senior debt limits (e.g. 60% LTC) and sponsor equity, reducing the amount of dilutive equity required.
How does position in the capital stack determine required returns?
Capital lower in seniority (closer to equity) absorbs loss risk first and therefore commands substantially higher expected yields.
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