YL Ventures

Venture capital firm
San Francisco, California, USA$800M AUMwww.ylventures.comSee connections →

Venture firm exclusively dedicated to cybersecurity, investing across all stages from seed to scale with $800M in assets under management.

Strategy

Stages
SeedSeries BGrowth
Sectors
Cybersecurity
Geographies
USASan Francisco, California, USA
Check size
$100K - $5M

Recent changes

  1. Sep 5, 2026Sectors updated: Cybersecurity ylventures.com
  2. Jul 28, 2026Invested in Hush Security (Series A, $30M) PR Newswire
  3. Jan 1, 2019New fund: YL Ventures Fund IV ($120M) Value Add VC funds tracker
  4. Jan 1, 2017New fund: YL Ventures Fund III ($75M) Value Add VC funds tracker
  5. Jan 1, 2013New fund: YL Ventures Fund II ($27.5M) Value Add VC funds tracker

Funds

3
FundVintageSizeStrategySource
YL Ventures Fund IV2019$120MFlagship
As of 2019Value Add VC funds tracker
YL Ventures Fund III2017$75MFlagship
As of 2017Value Add VC funds tracker
YL Ventures Fund II2013$27.5MFlagship
As of 2013Value Add VC funds tracker

Portfolio

2 total

Recent Investment Activity

1

Track record: led 1 and participated in 0 of 1 tracked venture round · 1 in the last 12 months · led 1 Series A

DateCompanyEventRoleAmountValuationInvestorsSource
Jul 28, 2026Hush SecuritySeries ALed$30M—PR Newswire

Co-Investors

2

Similar Firms

overlapping sector, stage or region

Value Add Research

Latest Pulse

  1. Hush Security Raises $30M to Govern AI AgentsHush Security raised a $30 million Series A, with Akamai joining as a strategic investor, to close the governance gap between enterprises and the AI agents now acting inside their systems -- a problem this week's OpenAI-Hugging Face breach made painfully concrete.→
  2. Hush Security Banks $30M to Govern AI Agent IdentitiesHush Security raised a $30 million Series A from Akamai Technologies, Battery Ventures, and YL Ventures, bringing its total raised to $41 million, to secure non-human identities as enterprises hand more system access to AI agents.→

YL Ventures FAQ

How large are YL Ventures' funds?

YL Ventures funds Value Add tracks include YL Ventures Fund IV ($120M, 2019); YL Ventures Fund III ($75M, 2017); YL Ventures Fund II ($27.5M, 2013), out of 3 YL Ventures funds tracked in total.

What companies has YL Ventures invested in?

YL Ventures' portfolio includes Hush Security, Proofpoint.

Who does YL Ventures co-invest with most?

In the rounds Value Add tracks, YL Ventures most often invests alongside Akamai (1 shared deal), Battery Ventures (1 shared deal).

Sources & methodologyshow
Where these figures come from
  • PR Newswireprimary source1 fact
  • Value Add VC funds trackerValue Add VC data3 facts

Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.

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