Serco stock heads into the open after its 1.0 percent drop.

At the close on September 4, 2026, Serco stock fell 1.0 percent after a muted session in London. The shares finished below the FTSE 250 benchmark and ahead of a trading week with no verified company event in the supplied search results.

Serco stock closed at GBP 1.87 on the London Stock Exchange on September 4, 2026, down 1.0 percent. The move came as the FTSE 250 ended lower on the session, leaving Serco behind the benchmark.

September 4, 2026 close

Serco plc (ISIN GB0033055624) finished at GBP 1.87 after trading between GBP 1.86 and GBP 1.90. Volume reached 4.2 million shares, and the close sat 2.1 percent below the session high.

London market data also showed the FTSE 250 closing at 21,030.44, down 0.4 percent, which put Serco's 1.0 percent decline below the wider mid-cap move. The stock's close was 4.3 percent above its 52-week low of GBP 1.79 and 9.7 percent below its 52-week high of GBP 2.07.

Today

Serco has a trading update scheduled for September 11, 2026. That date gives investors the next company-specific milestone before the London session continues today.