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Altra Venture Partners LLC

altravp.com Direct + LP

Altra Venture Partners is an investment firm that provides liquidity to early stakeholders in late-stage private technology companies through secondary transactions and LP buyouts, and also makes minority investments in growth equity and pre-IPO rounds.

Altra Venture Partners LLC is a venture capital firm headquartered in New York, United States. It invests both directly in companies and in funds as a limited partner, from Series B to growth, in technology. Its stated cheque size is $500k to $25M+. 17 portfolio companies, as it reports.

“Altra invests in top late-stage private companies by providing liquidity to early stakeholders via secondary transactions and LP buyouts.”

— Altra Venture Partners LLC, own website
Layer
Direct + LP
Type
Venture capital
Stage
Series B – Growth
Headquarters
New York, United States
Invests in
global
Sectors
technology
Cheque size
$500k to $25M+
Portfolio
17 companies

Team, as Altra Venture Partners LLC publishes it

  • Jamie Melzer Founder & Managing Partner
  • Katie Nowak Director of Investor Relations, Principal

Names and roles exactly as listed on altravp.com. Nothing else about these people is recorded.

Most shared portfolio companies with

Derived from portfolio pages both investors publish themselves: each pair below lists at least one company in common. 194 investors with a shared portfolio company. A shared company is not proof they invested together in the same round.

  • Axevil Capital, LLC 7 shared companies: anthropic.com, shield.ai, spacex.com, epicgames.com…
  • EQUIAM 6 shared companies: anthropic.com, spacex.com, anduril.com, databricks.com…
  • Manhattan Venture Partners 6 shared companies: anthropic.com, shield.ai, spacex.com, epicgames.com…
  • Coatue 5 shared companies: anthropic.com, spacex.com, anduril.com, databricks.com…
  • Iconiq Capital 4 shared companies: anthropic.com, epicgames.com, anduril.com, databricks.com
  • Lightspeed Venture Partners 4 shared companies: anthropic.com, epicgames.com, anduril.com, databricks.com
  • Redefine Ventures LLC 4 shared companies: anthropic.com, spacex.com, anduril.com, eightsleep.com
  • Sabertooth Capital 4 shared companies: anthropic.com, spacex.com, anduril.com, databricks.com
  • SV Angel 4 shared companies: anthropic.com, anduril.com, databricks.com, boomsupersonic.com
  • Ventioneers Capital INC. 4 shared companies: anthropic.com, spacex.com, epicgames.com, coreweave.com

and 184 more — the graph.

Where this comes from

Every fact above was read from a page Altra Venture Partners LLC publishes itself. Nothing is taken from third-party databases. Investment activity (deals, co-investors) is not yet recorded.

  • https://www.altravp.com/name, is_investor, layer, type, hq_country, hq_city, invests_in_geographies, stage_min, stage_max, sectors, cheque_size, thesis_quote, thesis_quote_page, description, portfolio_count, people, status, confidence

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Record 3291 · added 2026-09-03 · link last verified 2026-10-21 · confidence high

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