Gigamon
Gigamon is a Santa Clara-based deep observability company founded in 2004.
About
Gigamon is a Santa Clara-based deep observability company founded in 2004. Its GigaVUE platform delivers network-derived intelligence to security, network and observability tools, including AI Traffic Intelligence and an AI copilot. Listed on NYSE (GIMO) in 2013, it was taken private by Elliott Management in 2018; Siris Capital took a minority stake in 2023.
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Founders / team· 6
Comparable companies· by market
This company
BusinessLatest roundTotal raisedDate- Gigamon
Gigamon is a Santa Clara-based deep observability company founded in 2004. Its GigaVUE platform delivers network-derived intelligence to security, network and observability tools, including AI Traffic Intelligence and an AI copilot. Listed on NYSE (GIMO) in 2013, it was taken private by Elliott Management in 2018; Siris Capital took a minority stake in 2023.
$23M
$23M
United States
BusinessLatest roundTotal raisedDate- Runlayer
Enterprise MCP security platform with gateway, threat detection, observability and access control.
Series A · $42M · 2026-06
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$35M
Europe
BusinessLatest roundTotal raisedDate- Saidot
AI governance platform for enterprises and governments
Undisclosed · $2M · 2023-10
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Data access/modification/sharing control software for securely connecting autonomous AI agents to internal enterprise systems
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Undisclosed · $8M · 2024-12
$8M
Other / unspecified
BusinessLatest roundTotal raisedDate- Mate
AI agent platform for enterprise security operations centers (SOCs), using LLMs and autonomous AI agents to investigate alerts, correlate evidence and execute response
Series A · $51M · 2026-07
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Autonomous managed detection and response (MDR) cybersecurity platform
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$35M
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
Investors that may fit
Y Combinator
23 Security & Compliance deals in the last 24 months · 21 in Silicon Valley
Request intro →Andreessen Horowitz
18 Security & Compliance deals in the last 24 months · 16 in Silicon Valley
Request intro →Cyberstarts
18 Security & Compliance deals in the last 24 months · 14 in Silicon Valley
Request intro →Greylock Partners
14 Security & Compliance deals in the last 24 months · 12 in Silicon Valley
Request intro →Ten Eleven Ventures
14 Security & Compliance deals in the last 24 months · 7 in Silicon Valley
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.