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Capital Call: mechanics of capital calls in funds

What is a capital call?

A capital call — also called a drawdown — is the mechanism by which the General Partner (GP) requires its investors, the Limited Partners (LPs), to wire in capital they have committed but not yet paid.

When are capital calls used?

Funds raise money on a commitment basis: an LP pledges a sum up front but pays only as the GP needs it, usually to fund a new investment or cover fund expenses. Calling cash only when deals close keeps idle money to a minimum, which is the logic behind the drawdown model used by most closed-end private equity and venture funds.

Uncalled capital is what LPs have committed but not yet paid in — the gap between committed and paid-in capital:

  • Committed capital — the total an LP contractually agrees to provide to the fund.
  • Paid-in capital — what the LP has actually transferred so far.

When making a capital call, the GP considers the impact on LP relations.

If the GP calls capital at an inconvenient time, this can create difficulties for LPs who must urgently source funds.

To smooth the timing, most funds run a short-term subscription credit line (also called a capital call line): a bank loan secured against the LPs' unfunded commitments.

The GP draws on the facility to close deals and pay expenses at once, then calls capital from LPs on a more convenient schedule to repay it. This spares LPs from sourcing cash on short notice, but it also delays when their money actually goes to work, which affects reported returns.

How does a capital call work?

Having decided to call capital, the GP sends LPs a capital call notice containing the following:

  • the amount the LP must contribute
  • the percentage of total committed capital being requested
  • bank details for the transfer
  • payment deadline

How is a capital call regulated?

Capital calls are legally binding and regulated by the Limited Partnership Agreement (LPA), which may include the following conditions on capital calls:

  • payment deadline after receiving the capital call notice
  • maximum amount of capital that the GP can request over a specified period (e.g., no more than 70% of committed capital per year)
  • investment period of the fund — the period during which LPs are obligated to contribute funds from uncalled capital
  • restrictions on capital calls after the investment period ends (e.g., prohibition on GP calling capital for investments, but right to call capital to cover expenses)
  • liability for failure to meet capital contribution obligations

Advantages of capital calls

For General Partners (GP):

  • avoids "cash drag" — the less idle cash on account, the higher the fund's return metrics
  • simplifies fundraising — GPs can offer LPs the option to start with small initial contributions, making the fund more attractive for investment

For investors (LP):

  • retain part of their capital — investors do not need to contribute the entire amount immediately, so they can use this money for other investments until the capital call
  • use fund distributions for future contributions — some funds first distribute income to investors, then call capital, so LPs can use these distributions to cover their fund obligations

Disadvantages of capital calls

  • potential for strained relations between GP and LP (e.g., if the GP calls capital too frequently or earlier than LPs expected)
  • delays in closing deals — waiting several days for investors to transfer funds can result in missed investment opportunities
  • additional expenses — costs of sending capital calls, processing payments and dealing with LPs who delay contributions, and using a credit line instead of calling capital also incurs interest and fees
  • risk of LP default — there is a possibility that LPs cannot contribute money when capital is called, which can create financial problems

What happens if an LP cannot contribute capital?

If an LP does not contribute funds per the capital call, they are considered in default and may face liability as provided in the LPA.

Potential LP liability:

  • prohibition on further contributions and limitation of participation to already contributed capital
  • reduction of LP's share in future distributions
  • penalty interest on the unpaid amount
  • forced sale of the LP's stake to other investors
  • recovery of damages through court due to failure to meet fund obligations

Questions LPs may clarify with the GP before investing

  • are there restrictions on capital calls?
  • is there a capital call schedule and are amounts predetermined?
  • what penalties are provided for late capital contributions?
  • what sanctions apply in case of default?

Subscription lines and the IRR question

Because a subscription line postpones the moment LPs fund, it shortens the time their cash is actually at risk, and since IRR is time-sensitive, a longer line mechanically lifts the headline IRR without changing a single underlying investment. ILPA flagged this in 2017, noting that subscription facilities had drifted from short-term bridging into a standing tool for managing returns.

A newer cousin sits alongside it. Where a subscription line is secured by LP commitments, a NAV facility is secured by the fund's existing portfolio and is used later in life to fund follow-ons, speed up distributions, or extend hold periods. Hybrid facilities that blend the two are now common, and NAV financing alone was estimated at roughly $100 billion in 2025 (to be verified). For LPs the question is the same in both cases: how much of the reported return is leverage, and how much is investment performance?

A capital call in practice

Suppose an LP commits €5 million to a €100 million fund. Across a four-to-five-year investment period the GP issues calls as deals close: perhaps a first call of 15% (€750,000) soon after the closing, then further calls of 5–20% as the portfolio is built. Each arrives as a formal notice with a fixed payment window. ILPA's Capital Call and Distribution Notice Template, updated in September 2025, is becoming the market-standard format, which makes drawdowns easier for an LP to track across several funds at once.

Sources:

  1. https://www.angellist.com/learn/capital-calls

Additional information

  1. https://www.bbvacib.com/insights/news/what-are-capital-calls-and-how-do-they-work/
  2. https://www.moonfare.com/glossary/capital-call
  3. https://www.svb.com/emerging-manager-insights/starting-a-fund/cash-flow-management-capital-calls/
  4. ILPA — Capital Call & Distribution Notice Template, guidance (Sept 2025): https://ilpa.org/wp-content/uploads/2025/09/ILPA-Suggested-Guidance-2025-Final.pdf

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Frequently asked questions

What is a capital call?

A capital call is the process by which the fund's General Partner (GP) requires investors (LPs) to contribute uncalled capital. The difference between committed capital (LP's commitment amount) and paid-in capital (actually contributed).

When does the GP call capital?

The GP calls capital for new investments, to cover fund expenses or to repay capital call lines (credit lines secured by LP commitments). Timing and restrictions on calls are regulated by the LPA (Limited Partnership Agreement) — typical restrictions: no more than 70% of committed capital per year, fixed investment period.

What is a capital call notice?

A capital call notice is a notification sent by the GP to each LP. Contains: amount to be contributed, percentage of committed capital, bank details for transfer and payment deadline. Timing is regulated by the LPA, typically 10–20 business days.

What happens if an LP cannot contribute capital?

The LP is considered in default. Typical consequences under the LPA: prohibition on further contributions, reduction of share in future distributions, penalty interest charges, forced sale of LP's stake to other investors, recovery of damages through court.

Why do funds use capital call lines?

Capital call lines (also known as subscription credit facilities) are short-term bank loans secured by LP commitments. GPs use them to cover fund expenses and investments, then call capital from LPs at a more convenient time for repayment. Benefit: smooths cash flow for LPs, increases fund IRR (timing shift of capital call).

What should LPs clarify with the GP before signing the LPA?

Key questions: are there restrictions on capital calls by amount and frequency, is there a call schedule, enforcement timelines for default, what is included in management fee and is it covered from paid-in capital or from separate calls.

Must an LP always contribute 100% of committed capital?

Not always. A standard LPA includes an investment period (usually 3–5 years) — after it ends, the GP loses the right to call capital for new investments (only for follow-ons and fund expenses). Result: an LP may contribute 70–85% of committed capital over the fund's life. The remainder is effectively not called.


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