SIEM vendor consolidation map 2024-2026

Five deals reshaped the shortlist between January 2024 and June 2026. Net of the deals, only Securonix among the major SIEMs has been steady on ownership across the window.

• Splunk Enterprise Security

  Owner/Cisco(2024-03-18)

  Closed $28B acquisition. Workload Pricing now bundled into Cisco enterprise agreements; renewal posture firmer with a 35-50% list-price uplift telegraphed for upper-band multi-year renewals.[27]

• IBM QRadar SaaS

  Owner/Palo Alto Networks(2024-09-04)

  SaaS business migrated to Cortex XSIAM. QRadar on-prem remains IBM-owned but is steady-state.[10]

• Exabeam + LogRhythm

  Owner/Exabeam (combined)(2024-05-22)

  Merger complete. New-Scale SIEM is the go-forward cloud platform; LogRhythm SIEM appliance in migration mode.[28]

• Sumo Logic

  Owner/Francisco Partners(2023-05-12)

  Take-private complete. Strategy widened to observability plus security.[29]

• Securonix

  Owner/Vista Equity Partners(2022-04-14)

  PE-owned since 2022. EON agentic AI launched 2025.

Independents that remain

Microsoft, Google, CrowdStrike, SentinelOne, Rapid7, Stellar Cyber, Devo, Panther, Hunters, Anvilogic, Graylog, Snowflake. The buyer-side risk for the still-private vendors is acquisition-induced product-direction whiplash; diligence multi-year roadmap commitments before signing.