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Blue Marlin Partners

Blue Marlin Partners

Bethesda, Marylandbluemarpartners.com

Overview

Blue Marlin Partners is a private equity firm that provides a flexible partnership model as an alternative to traditional private equity. The firm was established by its leadership team and a group of high-net-worth operators, investors, and family offices. It focuses on investing in established, profitable lower-middle-market businesses with strong performance and clear growth paths. The firm is industry-agnostic but leverages the expertise of its Capital Partners. It was founded by Peter Kirsch.

Portfolio Companies

4

Investments

Blue Marlin Partners investments
CompanyDateStageLead
EthermedApr 2026Series ALead
Enginuity Power SystemsMar 2025Series BCo-investor
ApricusAug 2024Series ALead
Apricus GenerationAug 2024Series ALead
Enginuity Power SystemsJun 2022Series ALead

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersBethesda, Maryland
Year FoundedN/A

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