NEW YORK (Reuters) – Blackstone Group LP, the world’s largest manager of alternative assets, modestly exceeded analyst expectations with an 11 percent jump in third-quarter earnings on Thursday, as climbing equity markets buoyed its holdings.

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The New York-based firm’s economic net income (ENI) per unit for the three months through September was 76 cents, compared to the mean forecast for 74 cents, according to Thomson Reuters I/B/E/S. A year earlier, Blackstone reported ENI per share of 68 cents.

ENI reflects the mark-to-market valuation gains or losses on Blackstone’s portfolio and is a closely watched earnings metric for U.S. private equity firms.

In premarket trading, Blackstone shares were flat.

Stock market swings often impact the valuation of private equity firms’ holdings because they mark many of their holdings to market. The benchmark S&P 500 index rose 7.2 percent in the third quarter.

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