United States · Investor

SYN Ventures

Last cheque observed Oct 2026; 37 cheques on record.

Deploying nowNew fund $206M, Oct 2026VC firm

Pre-seedSeedSeries AIdentityCyber SecurityPrivacy

Deploying now
38%of best year6cheques in 12 months, 37 on record
Since the last cheque16days00hrs00min00sec
Median round$16MCheque size, as they say$5.0M – $25MRounds led2 of 37Sole investor8 roundsMostly inUnited States, 94%
Pitch SYN Ventures

SYN Ventures highlights

  1. 01

    6 cheques in the last 12 months

  2. 02

    Mostly Seed and Series A: 57% of its rounds

  3. 03

    Sole investor in 8 rounds, median $10M

What they do

SYN Ventures is a venture capital firm focused on investing in disruptive and innovative companies in the cybersecurity, industrial security, national defense, privacy, regulatory compliance, and data governance industries.From their own website
Type
VC firm (from a list, unverified)
Cheque size
$5.0M – $25M as they say
Stages
Pre-seedSeedSeries A
Sectors
IdentityCyber SecurityPrivacy
Based in
West Palm Beach, United States
Cold pitches
Not accepted

The record

Every round we can evidence, newest first37 appearances

  1. 2026

    4 rounds

  2. Oct
    OpsinSeries A · US · The SaaS News$21MLed
  3. Jul
    CraniumVenture · US$20MWith 1 other
  4. Feb
    Crash OverrideSeed · US$5.0MWith 2 others
  5. Feb
    NullifySeed · US$13MWith 5 others
  6. 2025

    16 rounds

  7. Dec
    Helmet SecuritySeed · US$9.0MSole investor
  8. Nov
    NetFoundrySeries A · US · Firms' own news pages$15MWith 2 others
  9. Oct
    Conifers.AiVenture · USUndisclosedWith 2 others
  10. Oct
    Terra SecurityVenture · USUndisclosedWith 3 others
  11. Sept
    RegScaleSeries B · US$30MWith 2 others
  12. Jul
    Crash OverrideSeed · US · TechStartups$28MLed
  13. Jul
    iCOUNTERSeries A · US$30MSole investor
  14. May
    BreachRxSeries A · US$15MWith 3 others
  15. Apr
    Miggo SecuritySeries A · IL$17MSole investor
  16. Apr
    SquareXSeries A · US$20MWith 1 other
  17. Apr
    Phosphorus CybersecurityVenture · USUndisclosedWith 2 others
  18. Apr
    Terra SecuritySeed · US$8.0MWith 1 other
  19. Mar
    AIcebergSeed · US$10MSole investor
  20. Feb
    IciteSeed · US$5.0MWith 1 other
  21. Jan
    BforeAISeries B · Titanium Ventures$10MWith 6 others
  22. Jan
    Conifers.AiVenture · US$25MWith 1 other
  23. 2024

    7 rounds

  24. Dec
    TuskiraSeries A · US$29MWith 2 others
  25. Nov
    HalcyonSeries C · US · Crunchbase News$100MWith 6 others
  26. Sept
    QueryVenture · USUndisclosedWith 2 others
  27. Sept
    P0 SecuritySeries A · US$15MWith 2 others
  28. Jul
    Metabase QSeries A · US$11MSole investor
  29. Jun
    CraniumSeed · US$1.3MWith 1 other
  30. Mar
    Auguria, Inc.Seed · US$6.5MSole investor
  31. 2023

    5 rounds

  32. Nov
    Refine IntelligenceSeed · IL$13MWith 1 other
  33. Oct
    SynqlySeed · US$4.0MSole investor
  34. Oct
    AdluminSeries B · US$70MWith 1 other
  35. Jun
    Sevco SecurityVenture · US$17MWith 3 others
  36. Mar
    RevelstokeSeries B · US$20MWith 2 others
  37. 2022

    4 rounds

  38. Nov
    PangeaSeries B · US$26MWith 2 others
  39. Nov
    RevealSecurityVenture · USUndisclosedSole investor
  40. Aug
    SynSaberSeries A · US$13MWith 2 others
  41. May
    QwietSeries C · US$29MWith 2 others
  42. 2021

    1 round

  43. Sept
    SecZettaSeries B · US$21MWith 2 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration3 named

JAJay Alan LeekExecutive OfficeriFiling they signed
PHPatrick HeimExecutive OfficeriFiling they signed
RERobert Edward EnsleinChief Operating Officer, Chief Compliance OfficeriForm ADV

We also hold 15 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

$1.1Bgross assets of its funds, 2 advisers combinedOct 2026
Exemptreporting adviserventure or small private funds
Legal name
SYN Ventures SEED Management LLC
SEC number
CRD 328931

What they claim to have backed

From their own portfolio page (on their website)

25 of 40 we have independently watched raise

AdluminAicebergBalancetheoryCodeintegrityCraniumCrash OverrideHelmetsecurityIciteMetabaseqNetfoundryNetographyNullifyOomnitzaP0PhosphorusQueryQwietRegscaleRevealSeczettaSynqlySynsaberTuskiraUpfortVectraArcadeAuguriaBforeBoldendConifersHalcyonKlyroMiggoMitigaPangeaRefineintelligenceRevelstokeRevicTerraTransmitsecurity

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

Who they invest alongside

The investors most often in the same rounds as SYN Ventures. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies SYN Ventures put money into.

Quick answers about SYN Ventures

What does SYN Ventures invest in?

SYN Ventures invests most often at Seed and Series A (57% of the rounds on record), in sectors such as Identity, Cyber Security and Privacy.

How active is SYN Ventures?

37 investments on record, 6 of them in the last 12 months, and it led 2. The most recent was in Oct 2026.

What has SYN Ventures invested in recently?

Its most recent investments on record: Opsin (Series A, Oct 2026), Cranium (Venture, Jul 2026) and Crash Override (Seed, Feb 2026).

How big are SYN Ventures's cheques?

The median round it joins is $16M. It says it writes cheques of $5.0M to $25M.

Does SYN Ventures lead rounds?

Sometimes: it led 2 of its 37 investments on record (5%).

Where does SYN Ventures invest?

Most of the companies it backs are in the United States (94%) and Israel (6%).

Is SYN Ventures investing now?

Yes: it is actively investing, with 6 investments in the last 12 months.

Who does SYN Ventures invest alongside?

Most often Washington Harbour Partners Lp (4 rounds together), Cisco Investments (3 rounds together) and Google Ventures (3 rounds together).

Raising now?

Find the investors who back rounds like yours, and keep every conversation on one fundraising board.

Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it