PB Ratio: 15.83

Basis: FMP quote market capitalization / book value attributable to common shareholders (matching reported total stockholders equity minus preferred stock). Source: stored company filings and market data; unavailable inputs remain N/A.

Is the P/B ratio high or low?

The P/B ratio of 15.83 is 328% above its estimated 4-year average of 3.70, near the high end of its estimated 4-year range (0.89–16.52).

As of 2026-10-06T16:34:09.284Z. 116.32% above its estimated 12-month average of 7.32.

PRME PB Ratio Metrics

P/B vs. estimated history

At 15.83, P/B is above its estimated 4-year median — higher than 99% of readings in its estimated 4-year history.

Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.

Book Value Analysis

PB Ratio Formula & Definition

PB Ratio = Market Cap / (Total Shareholders' Equity − Preferred Stock)

The price-to-book ratio compares market capitalization to book value attributable to common shareholders (total equity minus preferred stock). Lower values can indicate a cheaper valuation relative to net assets.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PB Ratio FAQ

What is the P/B ratio for Prime Medicine, Inc. (PRME)?

The P/B ratio for PRME stock is 15.83.

Is Prime Medicine, Inc.'s P/B ratio high or low?

The P/B ratio of 15.83 is 328% above its estimated 4-year average of 3.70, near the high end of its estimated 4-year range (0.89–16.52).

What is the estimated TTM average P/B ratio for Prime Medicine, Inc. (PRME)?

The estimated TTM average P/B ratio for PRME stock is 7.32.

What is the estimated 3Y average P/B ratio for Prime Medicine, Inc. (PRME)?

The estimated 3Y average P/B ratio for PRME stock is 3.68.

Showing the most recent 260 of 896 data points. The chart above shows the full history.

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