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The Capital Stack: Where Your Equity Raise Sits and Why It Matters
The capital stack is the layered structure of all the money funding a deal — from the senior mortgage at the bottom to the common equity at the top — arranged in order of who gets paid first and who takes the first loss. For a sponsor, the capital stack isn't an abstraction: it's the map of how you'll finance the deal, where your investors' money sits, and how much risk each dollar in the deal is actually taking. Understanding it is foundational to structuring a raise that closes.
By One Million Media4 min read
This guide explains the capital stack for sponsors: the layers, the order of priority, the risk-return trade-off at each level, and how the stack shapes the equity you raise from investors.
What is the capital stack?
The capital stack describes all the sources of capital invested in a property and the order in which they get repaid. Picture a stack: the bottom layers have the most security and the lowest returns; the top layers take the most risk and earn the highest returns. Cash flows up the stack — each layer gets paid in order — and losses flow down from the top, so the layer at the top is wiped out first if the deal goes badly.
Position in the stack is the single best summary of a dollar's risk and return profile. 'Where do I sit in the capital stack?' is the first structural question a sophisticated investor asks, because the answer tells them almost everything about their downside.
The layers, bottom to top
| Layer | Position | Gets | Risk |
|---|---|---|---|
| Senior debt | Bottom — paid first | Fixed interest; secured by a mortgage | Lowest |
| Mezzanine debt | Above senior | Higher fixed interest; secured by a pledge of the equity | Moderate |
| Preferred equity | Above mezz | A preferred return ahead of common equity | Higher |
| Common equity | Top — paid last | All residual upside after everyone else | Highest |
Not every deal has all four layers — many syndications are simply senior debt plus common equity. Mezzanine debt and preferred equity are gap-fillers used when the senior loan and the common equity raise don't cover the full cost. The sponsor and the syndication's investors almost always sit in the common equity, at the top — the riskiest position, but the one that keeps the upside.
Why the stack determines risk and return
The order of the stack is the order of both payment and loss, and that's what sets each layer's risk-return:
- Senior debt gets paid first and is secured by the property, so it accepts the lowest return — the lender's downside is protected by foreclosure rights.
- Common equity gets paid last and absorbs the first losses, so it demands the highest return — there's no upside cap, but there's also no floor.
- Each layer in between trades return for priority: the higher you sit, the more you can earn and the more you can lose.
- Leverage amplifies this. More debt at the bottom boosts equity returns in good times and accelerates equity losses in bad times — which is why the debt-to-equity balance is one of the most consequential choices a sponsor makes.
When you tell investors 'this is a common-equity position in a deal with 65% leverage,' you're telling them exactly where they sit and what they're exposed to. A sponsor who can explain the stack clearly is a sponsor investors trust to have structured the deal thoughtfully.
Structuring the stack for your raise
How you build the stack determines how much equity you need to raise and on what terms. Practical considerations:
- Start with what the senior lender will lend — that sets the size of the gap you must fill with equity (and possibly mezz or preferred equity).
- Decide how much common equity to raise versus filling part of the gap with preferred equity, which is cheaper than giving away common-equity upside but adds a senior claim ahead of your LPs.
- Right-size leverage to the business plan and your risk tolerance — over-leveraging to shrink the equity raise is a common way deals get into trouble.
- Show the full stack in your offering documents so common-equity investors see every layer that gets paid before them.
- Stress-test the stack: model a downside where cash flow tightens, and confirm the senior and preferred layers can still be served without a capital call.
Frequently asked questions
What is the capital stack in real estate?
The capital stack is the layered structure of all the capital funding a deal — senior debt, mezzanine debt, preferred equity, and common equity — arranged in order of repayment priority. Lower layers get paid first and carry the lowest risk and return; upper layers get paid last, absorb the first losses, and earn the highest returns.
What order does the capital stack get paid in?
From the bottom up: senior debt is paid first, then mezzanine debt, then preferred equity, then common equity last. Cash flows up the stack in that order, and losses flow down from the top — so common equity, where the sponsor and syndication investors usually sit, is wiped out first in a bad outcome but keeps all the upside.
Where do syndication investors sit in the capital stack?
Usually in the common equity at the top of the stack, alongside the sponsor — the highest-risk, highest-return position. If a deal includes preferred equity, those investors sit above the common equity and get paid first among the equity layers. The offering documents should make each investor's position explicit.
Why does the capital stack matter to investors?
Because position in the stack is the clearest summary of a dollar's risk and return. Where an investor sits determines who gets paid before them and who absorbs losses first. Leverage in the stack amplifies both gains and losses for the equity, so the structure of the stack tells an investor almost everything about their downside.
How does leverage affect the capital stack?
More debt at the bottom of the stack increases returns to the equity in good times and accelerates equity losses in bad times. Higher leverage shrinks the equity a sponsor must raise but raises the risk of a shortfall if cash flow tightens. Balancing leverage against the business plan and downside scenarios is one of a sponsor's most important structuring decisions.
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This article is for educational purposes only and is not legal, investment, tax, or securities advice. Securities offerings are regulated; always work with your securities attorney to structure and run your offering. One Million Media is a marketing and lead-generation provider — not a broker-dealer, investment adviser, or law firm.
