U.S. GAAP requires venture funds to measure portfolio investments at fair value under ASC 820 (formerly SFAS 157). ASC 820 defines fair value as the price that would be received to sell an asset in an orderly transaction between market participants at the measurement date — a hypothetical exit price, not a cost or book value. The standard establishes a three-level hierarchy based on the observability of inputs used in the valuation. Level 1 assets are valued using quoted prices in active markets — applicable to publicly traded securities but almost never to venture portfolio companies. Level 2 assets use observable inputs other than Level 1 quoted prices, such as comparable transaction multiples or secondary market data. Level 3 assets — the predominant category in a venture portfolio — rely on unobservable, internally developed inputs including DCF models, comparable company analysis, and option pricing models. Gurpreet Bal advises fund managers that the preponderance of Level 3 assets in a venture portfolio creates significant auditor scrutiny at year-end, and that investment committee documentation supporting valuation conclusions is an essential risk management tool, not merely an accounting exercise.
The International Private Equity and Venture Capital Valuation Guidelines (IPEV) provide a practitioner framework that complements ASC 820. IPEV endorses "price of recent investment" as the starting point for fair value in the period immediately following a financing round — that is, the GP carries a newly acquired position at the transaction price until there is evidence the price is no longer representative of fair value. The calibration step is critical: the GP must identify the key assumptions implied by the transaction price (revenue multiples, growth rates, risk adjustments) and then, at each subsequent measurement date, assess whether those assumptions still hold given new information about the company or the market. Gurpreet S. Bal advises GPs that calibration is not optional — auditors and the SEC increasingly expect documented evidence that GPs have updated their valuation assumptions in response to material company events such as missed revenue milestones, leadership changes, or deterioration in comparable public company multiples. A valuation that sits unmoved at cost for eight quarters while the business environment changes materially is a red flag in any regulatory examination.
For companies with complex capital structures — multiple preferred stock classes with different liquidation preferences, participating provisions, and conversion rights — valuing the fund's specific share class requires allocating total enterprise value across the capital stack. The Option Pricing Model (OPM) treats each share class as a call option on the enterprise value, using Black-Scholes or binomial models to assign value based on strike prices (liquidation preferences), time to liquidity, and equity volatility. The OPM is most appropriate for earlier-stage companies where the timing and form of exit are highly uncertain. The Probability-Weighted Expected Return Method (PWERM) is better suited to companies approaching a liquidity event — it models discrete outcome scenarios (IPO, M&A at various multiples, continued operations, dissolution), assigns probabilities to each, and weights the resulting per-share values. Gurpreet Bal advises clients that selecting between OPM and PWERM is not merely a technical choice but a governance one: the methodology should be documented in the fund's valuation policy, applied consistently across the portfolio, and defensible to both auditors and LPs upon request. Switching methodologies without documented justification is a common source of auditor pushback.
At year-end, the fund's independent auditor — typically a Big Four or leading alternatives-focused firm — will scrutinize Level 3 valuations with particular rigor. Auditors may engage their own valuation specialists to independently assess GP marks, challenge calibration assumptions, and request support for any mark that differs materially from the prior period without a corresponding company event to justify the change. The tension between founder-friendly marks and LP reporting accuracy is real and consequential: a GP that consistently marks portfolio companies at the last-round price while comparable public companies trade at significantly lower multiples is providing LPs with a misleading picture of fund performance and net asset value. Gurpreet S. Bal advises fund managers that an LPA provision giving the GP broad valuation discretion does not insulate the GP from a fiduciary duty to mark in good faith or from SEC enforcement if valuation practices are systematically misleading. Establishing a formal, independent valuation committee — with documented procedures, regular meeting cadences, and written records of all valuation decisions — is the governance infrastructure that separates institutional-quality fund managers from those who create avoidable legal exposure.
Gurpreet S. Bal is a Partner at Foley and Lardner LLP in Silicon Valley, where he advises venture funds, fund managers, founders, and investors on fund formation, venture financings, M&A, and corporate governance. He has represented clients in hundreds of transactions with aggregate deal value exceeding $60 billion across AI, semiconductors, fintech, and emerging technology.