Alsid
FranceWho owns Alsid?
Alsid is a French Cybersecurity company, now owned by Tenable, which acquired it in 2021 from 360 Capital Partners and Axeleo Capital.
Hand-verified · updated 2026-09-30
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Key facts
- ·Fully exited in 2021 to Tenable.
- ·Average hold across 2 realized cycles: 3 years.
Ownership history
2 ownership periods · co-invest detected
360 Capital Partners sold Alsid to Tenable in 2021 after 3 years.
Axeleo Capital sold Alsid to Tenable in 2021 after 3 years.
More from 360 Capital Fund IV
Other portfolio companies in the same fund.
Spain
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US
Questions
Who owns Alsid?
Alsid is now owned by Tenable, which acquired it in 2021 from 360 Capital Partners and Axeleo Capital.
When did Tenable acquire Alsid?
Tenable acquired Alsid in 2021, buying from 360 Capital Partners and Axeleo Capital.
Who did Alsid sell to?
360 Capital Partners and Axeleo Capital sold Alsid to Tenable in 2021 (Trade Sale).
Who has owned Alsid over time?
Alsid has been through 2 private-equity ownership periods: 360 Capital Partners · via 360 Capital Fund IV · 2018–2021 · sold to Tenable · (Trade Sale); Axeleo Capital · via Axeleo Capital 1 · 2018–2021 · sold to Tenable · (Trade Sale).