Theta Lake
Theta Lake is a cybersecurity company specializing in Email & Messaging Security, founded in 2017 and headquartered in San Mateo, United States. It has raised $67.7M in equity across 4 priced rounds, employs about 112 people, and is privately held.
updated Oct 4, 2026
Latest Theta Lake news and company activity
What Theta Lake did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026PartnershipTheta Lake and A-LIGN Partner for Financial Services AI Governance Webinar Series
- Aug 2026Feature launchTheta Lake Announces AI Interaction Governance Integration with CrowdStrike Falcon SIEM
- May 2026RecognitionNew certifications and patents strengthen Theta Lake
- Mar 2026RecognitionTheta Lake's App Fingerprint Patent for Automated Video Oversight
Theta Lake Momentum score
46/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Theta Lake funding
Theta Lake has raised $67.7M in priced equity. Its most recent round was a Series B in March 2022.
- Equity raised
- $67.7M4 priced rounds
- Last round
- Series BMar 2022
Theta Lake employees and hiring
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
