• Oct 6, 2026

  $116.69-2.31%

  Leidos shares fell 2.31% as comparable listed companies in computer integrated systems design fell 1.13% on average, with 4 of 6 lower [2]. Leidos fell by more than the cohort average. Pr Newswire reported that the company named Stephen Vather senior vice president of investor relations [1].

  • 1Pr Newswire
  • 2Peer group

• Oct 5, 2026

  $119.45+1.45%

  Leidos shares rose 1.45% as comparable listed companies in computer integrated systems design rose 1.43% on average, with 5 of 6 higher [2]. Pr Newswire reported that Leidos and Altaris completed their transaction to form a U.S.-based security screening joint venture with Analogic [1].

  • 1Pr Newswire
  • 2Peer group

• Oct 2, 2026

  $117.74-3.47%

  Comparable listed companies in computer integrated systems design rose 0.39% on average, with three of six falling and three rising [1]. The company's 3.47% decline was therefore not shared by the cohort. Among the group, CACI fell 1.92% [1].

  • 1Peer group

• Oct 1, 2026

  $121.97+0.11%

  Comparable Services-Computer Integrated Systems Design companies rose 1.64% on average, with five of six advancing [1]. The company's +0.11% move was nearly flat against that gain, so it did not share in the cohort's strength [1].

  • 1Peer group

• Sep 30, 2026

  $121.83-1.03%

• Sep 29, 2026

  $123.10+0.61%

• Sep 28, 2026

  $122.35-1.02%

  Comparable listed companies in computer integrated systems design fell 3.05% on average, with 5 of 6 declining [1]. LDOS fell 1.02%, a smaller decline than the group's average [1].

  • 1Peer group

Closing prices for LDOS. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

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