# Black Opal Ventures: portfolio, investments and team

> Black Opal Ventures is a vc firm based in United States. 2 investments on record, 1 in the last 12 months, latest Sept 2026.

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

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

# Black Opal Ventures

Last cheque observed Sep 2026; 2 cheques on record.

Email

VC firm Deploying now New fund $63M, Aug 2026

Series A Series B Healthtech Tech Bio Infrastructure

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Deploying now

**100%** of best year **1** **cheques in 12 months**, 2 on record

Since the last cheque **56** days **00** hrs **00** min **00** sec

Median round **$13M** Cheque size, as they say **$100K – $5.0M** Rounds led **0 of 2**

Pitch Black Opal Ventures

## Black Opal Ventures highlights

- 01 1 cheques in the last 12 months
- 02 Mostly Seed: 100% of its rounds

## What they do

> Investing in companies using technology to solve the world's biggest problems From their own website

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** $100K – $5.0M as they say
- **Stages:** Series A Series B
- **Sectors:** Healthtech Tech Bio Infrastructure
- **Based in:** New York, United States
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **2 appearances**

- **2026** 1 round
- **Sept** **[SCI Semiconductor](https://millionrounds.com/company/sci-semiconductor)** Seed · GB · Mercia Asset Management **$6.8M** With 3 others
- **2025** 1 round
- **Apr** **[AuthMind](https://millionrounds.com/company/authmind)** Seed · US · TechStartups **$19M** With 7 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 **2 named**

EM **Eileen Mary Tanghal** Manager and Member of Black Opal Ventures, LLC i Form ADV

TB **Tara Bishop** Manager and Member of Black Opal Ventures, LLC i Form ADV

We also hold **9** 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

**$53M** gross assets of its funds Oct 2026

**Exempt** reporting adviser venture or small private funds

- **Legal name:** Black OPAL Ventures, LLC
- **SEC number:** CRD 322153

New fund on file

**$63M**

raised in Aug 2026

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

## The cheque

Series A Series B

Median round joined **$13M** the round, not its cheque

Led 0 of 2 rounds **0%**

- **Said size:** $100K – $5.0M
- **Sole investor:** Never alone
- **Last cheque:** Sept 2026

Rounds by stage said on their site

- Seed *2*
- Series A said *-*
- Series B said *-*

Cheques by month Led Joined

Dec 2023 Nov 2026

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## Recently backed

The latest companies Black Opal Ventures put money into.

[**SCI Semiconductor** $6.8M · Sept 2026](https://millionrounds.com/company/sci-semiconductor)[**AuthMind** $19M · Apr 2025](https://millionrounds.com/company/authmind)

## Quick answers about Black Opal Ventures

### What does Black Opal Ventures invest in?

Black Opal Ventures invests most often at Seed (100% of the rounds on record), in sectors such as Healthtech, Tech Bio and Infrastructure.

### How active is Black Opal Ventures?

2 investments on record, 1 of them in the last 12 months. The most recent was in Sept 2026.

### What has Black Opal Ventures invested in recently?

Its most recent investments on record: SCI Semiconductor (Seed, Sept 2026) and AuthMind (Seed, Apr 2025).

### How big are Black Opal Ventures's cheques?

The median round it joins is $13M. It says it writes cheques of $100K to $5.0M.

### Is Black Opal Ventures investing now?

Yes: it is actively investing, with 1 investments in the last 12 months.

### What kind of investor is Black Opal Ventures?

Black Opal Ventures is a VC firm based in New York, United States.

### How much does Black Opal Ventures manage?

About $53M, as gross assets of its private funds (Oct 2026).

### Has Black Opal Ventures raised a new fund?

Its latest fund filing with the SEC was in Aug 2026, reporting $63M raised.

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