
SLB N.V. (SLB), formerly known as Schlumberger Limited, is a leading global oil-field services company that provides technology, drilling, evaluation, well-construction and production systems to upstream oil and gas companies worldwide. The firm is headquartered in Houston, Texas. SLB’s market capitalization stands at $53.9 billion.
SLB stock has significantly trailed the broader market. The stock has plunged 6% on a year-to-date (YTD) basis and 10.2% over the past 52 weeks, while the S&P 500 Index ($SPX) surged 6.3% in 2025 and gained 17.7% over the past year.