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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 an investor headquartered in New York, United States. It invests both directly in companies and in funds as a limited partner, at Series B, 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
Other
Stage
Series B
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.

Co-invests most often with

Derived from portfolio pages both investors publish themselves: each pair below lists at least one company in common. 194 co-investors found.

  • 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 2026-09-06 · confidence high

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