Datadog: New S&P 500 member with 25% annual growth - will this ride continue?

Datadog will officially become part of the S&P 500 index in July 2025, confirming market recognition. But does this bring major benefits for investors, or is this year's rally already overdone?

Inclusion in the S&P 500 has traditionally been associated with significant share price gains due to pressure from passive funds - typically 5-15% around rebalancing. However, Datadog isn't just a "star of the moment" - its business is showing strong long-term growth momentum. With annual revenues of around $2.84 billion (TTM) and ~25% y/y growth (+25% last quarter), it confirms the growth story. In addition, the company is generating strong free cash flow - around $900m. USD TTM - and a net income of ~166mn. USD TTM .

✅ Top points of analysis

• +25% y/y revenue growth Q1 2025 - well above market expectations.

• Free cash flow of over $900mn. TTM, with FCF margin ~31% - strong conversion of growth into cash.

• Net Dollar Retention >115% - High loyalty and expansion of existing customers.

• GAAP net income of…