# SYN Ventures: portfolio, investments and team

> SYN Ventures is a vc firm based in United States. 37 investments on record, 6 in the last 12 months, latest Oct 2026. Portfolio, stages, co-investors and team.

Source: https://millionrounds.com/fund/syn-ventures (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# SYN Ventures

Last cheque observed Oct 2026; 37 cheques on record.

Email

Deploying now New fund $206M, Oct 2026 VC firm

Pre-seed Seed Series A Identity Cyber Security Privacy

Follow SYN Ventures and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fsyn-ventures)

Deploying now

**38%** of best year **6** **cheques in 12 months**, 37 on record

Since the last cheque **16** days **00** hrs **00** min **00** sec

Median round **$16M** Cheque size, as they say **$5.0M – $25M** Rounds led **2 of 37** Sole investor **8 rounds** Mostly in **United States, 94%**

Pitch SYN Ventures

## SYN Ventures highlights

- 01 6 cheques in the last 12 months
- 02 Mostly Seed and Series A: 57% of its rounds
- 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-seed Seed Series A
- **Sectors:** Identity Cyber Security Privacy
- **Based in:** West Palm Beach, United States
- **Cold pitches:** Not accepted

## The record

Every round we can evidence, newest first **37 appearances**

- **2026** 4 rounds
- **Oct** **[Opsin](https://millionrounds.com/company/opsin)** Series A · US · The SaaS News **$21M** *Led*
- **Jul** **[Cranium](https://millionrounds.com/company/cranium)** Venture · US **$20M** With 1 other
- **Feb** **[Crash Override](https://millionrounds.com/company/crash-override)** Seed · US **$5.0M** With 2 others
- **Feb** **[Nullify](https://millionrounds.com/company/nullify)** Seed · US **$13M** With 5 others
- **2025** 16 rounds
- **Dec** **[Helmet Security](https://millionrounds.com/company/helmet-security)** Seed · US **$9.0M** Sole investor
- **Nov** **[NetFoundry](https://millionrounds.com/company/netfoundry)** Series A · US · Firms' own news pages **$15M** With 2 others
- **Oct** **[Conifers.Ai](https://millionrounds.com/company/conifers-ai)** Venture · US **Undisclosed** With 2 others
- **Oct** **[Terra Security](https://millionrounds.com/company/terra-security)** Venture · US **Undisclosed** With 3 others
- **Sept** **[RegScale](https://millionrounds.com/company/regscale)** Series B · US **$30M** With 2 others
- **Jul** **[Crash Override](https://millionrounds.com/company/crash-override)** Seed · US · TechStartups **$28M** *Led*
- **Jul** **[iCOUNTER](https://millionrounds.com/company/icounter)** Series A · US **$30M** Sole investor
- **May** **[BreachRx](https://millionrounds.com/company/breachrx)** Series A · US **$15M** With 3 others
- **Apr** **Miggo Security** Series A · IL **$17M** Sole investor
- **Apr** **[SquareX](https://millionrounds.com/company/squarex)** Series A · US **$20M** With 1 other
- **Apr** **[Phosphorus Cybersecurity](https://millionrounds.com/company/phosphorus-cybersecurity)** Venture · US **Undisclosed** With 2 others
- **Apr** **[Terra Security](https://millionrounds.com/company/terra-security)** Seed · US **$8.0M** With 1 other
- **Mar** **[AIceberg](https://millionrounds.com/company/aiceberg)** Seed · US **$10M** Sole investor
- **Feb** **[Icite](https://millionrounds.com/company/icite)** Seed · US **$5.0M** With 1 other
- **Jan** **[BforeAI](https://millionrounds.com/company/bforeai)** Series B · Titanium Ventures **$10M** With 6 others
- **Jan** **[Conifers.Ai](https://millionrounds.com/company/conifers-ai)** Venture · US **$25M** With 1 other
- **2024** 7 rounds
- **Dec** **[Tuskira](https://millionrounds.com/company/tuskira)** Series A · US **$29M** With 2 others
- **Nov** **[Halcyon](https://millionrounds.com/company/halcyon)** Series C · US · Crunchbase News **$100M** With 6 others
- **Sept** **[Query](https://millionrounds.com/company/query)** Venture · US **Undisclosed** With 2 others
- **Sept** **[P0 Security](https://millionrounds.com/company/p0-security)** Series A · US **$15M** With 2 others
- **Jul** **[Metabase Q](https://millionrounds.com/company/metabase-q)** Series A · US **$11M** Sole investor
- **Jun** **[Cranium](https://millionrounds.com/company/cranium)** Seed · US **$1.3M** With 1 other
- **Mar** **[Auguria, Inc.](https://millionrounds.com/company/auguria-inc)** Seed · US **$6.5M** Sole investor
- **2023** 5 rounds
- **Nov** **Refine Intelligence** Seed · IL **$13M** With 1 other
- **Oct** **[Synqly](https://millionrounds.com/company/synqly)** Seed · US **$4.0M** Sole investor
- **Oct** **[Adlumin](https://millionrounds.com/company/adlumin)** Series B · US **$70M** With 1 other
- **Jun** **[Sevco Security](https://millionrounds.com/company/sevco-security)** Venture · US **$17M** With 3 others
- **Mar** **[Revelstoke](https://millionrounds.com/company/revelstoke)** Series B · US **$20M** With 2 others
- **2022** 4 rounds
- **Nov** **[Pangea](https://millionrounds.com/company/pangea)** Series B · US **$26M** With 2 others
- **Nov** **[RevealSecurity](https://millionrounds.com/company/revealsecurity)** Venture · US **Undisclosed** Sole investor
- **Aug** **[SynSaber](https://millionrounds.com/company/synsaber)** Series A · US **$13M** With 2 others
- **May** **[Qwiet](https://millionrounds.com/company/qwiet)** Series C · US **$29M** With 2 others
- **2021** 1 round
- **Sept** **[SecZetta](https://millionrounds.com/company/seczetta)** Series B · US **$21M** With 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 registration **3 named**

JA **Jay Alan Leek** Executive Officer i Filing they signed

PH **Patrick Heim** Executive Officer i Filing they signed

RE **Robert Edward Enslein** Chief Operating Officer, Chief Compliance Officer i Form 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

**$1.1B** gross assets of its funds, 2 advisers combined Oct 2026

**Exempt** reporting adviser venture 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

[Adlumin](https://millionrounds.com/company/adlumin)[Aiceberg](https://millionrounds.com/company/aiceberg)[Balancetheory](https://millionrounds.com/company/balance-theory)[Codeintegrity](https://millionrounds.com/company/codeintegrity)[Cranium](https://millionrounds.com/company/cranium)[Crash Override](https://millionrounds.com/company/crash-override)[Helmetsecurity](https://millionrounds.com/company/helmet-security)[Icite](https://millionrounds.com/company/icite)[Metabaseq](https://millionrounds.com/company/metabase-q)[Netfoundry](https://millionrounds.com/company/netfoundry)[Netography](https://millionrounds.com/company/netography)[Nullify](https://millionrounds.com/company/nullify)[Oomnitza](https://millionrounds.com/company/oomnitza)[P0](https://millionrounds.com/company/p0)[Phosphorus](https://millionrounds.com/company/phosphorus)[Query](https://millionrounds.com/company/query)[Qwiet](https://millionrounds.com/company/qwiet)[Regscale](https://millionrounds.com/company/regscale)[Reveal](https://millionrounds.com/company/reveal)[Seczetta](https://millionrounds.com/company/seczetta)[Synqly](https://millionrounds.com/company/synqly)[Synsaber](https://millionrounds.com/company/synsaber)[Tuskira](https://millionrounds.com/company/tuskira)[Upfort](https://millionrounds.com/company/upfort)[Vectra](https://millionrounds.com/company/vectra) Arcade Auguria Bfore Boldend Conifers Halcyon Klyro Miggo Mitiga Pangea Refineintelligence Revelstoke Revic Terra Transmitsecurity

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.

New fund on file

**$206M**

raised in Oct 2026

From its SEC filing, not a journalist: a firm that has just raised has money to deploy.

## The cheque

Pre-seed Seed Series A

Median round joined **$16M** the round, not its cheque Alone, median **$10M**

Led 2 of 37 rounds **5%**

- **Said size:** $5.0M – $25M
- **Sole investor:** 8 rounds
- **Last cheque:** Oct 2026

Rounds by stage said on their site

- Seed said *11*
- Series A said *10*
- Venture *8*
- Series B *6*
- Series C *2*
- Pre-seed said *-*

Cheques by month Led Joined

Nov 2023 Oct 2026

Often in the room with

- [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) 4
- [Cisco Investments](https://millionrounds.com/fund/cisco-investments) 3
- [Google Ventures](https://millionrounds.com/fund/gv) 3
- [Rally Ventures](https://millionrounds.com/fund/rally-ventures) 3
- [Titanium Ventures](https://millionrounds.com/fund/titanium-ventures) 3
- [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) 2

**Pitching SYN Ventures?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

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## 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.

[**Washington Harbour Partners Lp** Private equity **4** rounds together](https://millionrounds.com/fund/washington-harbour-partners-lp)[**Cisco Investments** Corporate VC **3** rounds together](https://millionrounds.com/fund/cisco-investments)[**Google Ventures** Corporate VC **3** rounds together](https://millionrounds.com/fund/gv)[**Rally Ventures** VC firm **3** rounds together](https://millionrounds.com/fund/rally-ventures)[**Titanium Ventures** VC firm **3** rounds together](https://millionrounds.com/fund/titanium-ventures)[**Bain Capital Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/bain-capital-ventures)[**Ballistic Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/ballistic-ventures)[**Bessemer Venture Partners** VC firm **2** rounds together](https://millionrounds.com/fund/bessemer-venture-partners)[**Evolution Equity Partners** VC firm **2** rounds together](https://millionrounds.com/fund/evolution-equity-partners)[**MassMutual Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/massmutual-ventures)[**Picus Capital** VC firm **2** rounds together](https://millionrounds.com/fund/picus-capital)[**Underscore VC** VC firm **2** rounds together](https://millionrounds.com/fund/underscore-vc)

## Recently backed

The latest companies SYN Ventures put money into.

[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Cranium** $20M · Jul 2026](https://millionrounds.com/company/cranium)[**Crash Override** $5.0M · Feb 2026](https://millionrounds.com/company/crash-override)[**Nullify** $13M · Feb 2026](https://millionrounds.com/company/nullify)[**Helmet Security** $9.0M · Dec 2025](https://millionrounds.com/company/helmet-security)[**NetFoundry** $15M · Nov 2025](https://millionrounds.com/company/netfoundry)

## 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).

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Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=syn-ventures) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=syn-ventures)