How did Illumina's revenue and expenses trend in Q4 2024?

Illumina's revenue and expenses in Q4 2024 showed a business-focused trend with a significant emphasis on core Illumina and product segments. Here's a detailed analysis:

1. **Revenue Segmentation**:
- **Core Illumina**: Contributed the most to the revenue, with $3.23 billion. This indicates a strong performance from Illumina's core sequencing and array products.
- **Product**: Followed closely behind with $3.66 billion, reflecting the continued strength of Illumina's product offerings.
- **Service and Other**: Generated $716 million, which, while lower than the core segments, still represents a substantial contribution to the overall revenue.
- **GRAIL**: Contributed $55 million, which, along with the separate $55 million from GRAIL, shows the growing impact of Illumina's subsidiaries.
- **Eliminations**: Had a negative impact with -$15 million, suggesting some internal adjustments or cancellations within the reporting period.

|code|Ticker|Name|Date|Business Composition|Revenue By Business|market_code|
|---|---|---|---|---|---|---|
|ILMN|ILMN.O|Illumina|20240101-2024|Amortization of Acquired Intangible Assets|0|185|
|ILMN|ILMN.O|Illumina|20240101-2024|Amortization of Acquired Intangible Assets|0|185|

|code|Ticker|Name|Date|Net Income YoY|Net Income|market_code|
|---|---|---|---|---|---|---|
|ILMN|ILMN.O|Illumina|2024 Q1|-4300|-1.26E8|185|
|ILMN|ILMN.O|Illumina|2024 Q2|-749.5726495726495|-1.988E9|185|
|ILMN|ILMN.O|Illumina|2024 Q3|193.50132625994695|7.05E8|185|
|ILMN|ILMN.O|Illumina|2024 Q4|206.25|1.87E8|185|

2. **Net Income and Operating Expenses**:
- Illumina reported a net income of $187 million for the quarter. This indicates profitability despite the revenue segmentation, which is a positive signal for the company's operational efficiency.
- The operating expenses are not provided, but the net income can be used as a proxy to infer that Illumina managed to cover its expenses effectively, possibly even exceeding expectations given the revenue figures.
3. **Overall Performance**:
- The total revenue for the quarter was $4.33 billion. This is a notable figure that underscores Illumina's robust market presence and its ability to generate substantial revenue.
- The absence of specific operating expense data prevents a comprehensive analysis of the company's cost management. However, the net income of $187 million, along with the revenue figures, suggests that Illumina is managing its business effectively to convert revenue into profit.

In conclusion, Illumina's Q4 2024 financials reflect a company that is performing strongly in terms of revenue generation, with a particular strength in its core sequencing and array products. The company's ability to manage its business segments effectively and report a net income highlights its operational efficiency and profitability.