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AE Industrial Partners

US

AE Industrial Partners (AEI) is a private equity firm specializing in aerospace, defense, and government services, including the space sector. Founded in 1998, AEI invests in market-leading companies, providing capital and expertise to drive growth. Their portfolio includes companies involved in small satellite manufacturing, launch services, and other space-related technologies, such as York Space Systems and Firefly Aerospace. AEI partners with organizations like Space Florida to expand aerospace industries and focuses on investments across private equity, venture capital, and aerospace leasing.

commercialFounded 1998
Boca Raton, Florida, United States
aeroequity.com/
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All verified mentions of this organization in source documents.

L3Harris announced it will sell a 60% controlling stake in its Space Propulsion and Power Systems business to AE Industrial Partners for $845 million.

RelationshipsFinancialValue 5.0Jan 5, 2026L3Harris Consolidates into Three Segments; Creates Dedicated Space & Mission Systems Unit

L3Harris Technologies is nearing a definitive agreement to sell a 60% majority stake in a specialized portfolio of its space and propulsion businesses to AE Industrial Partners.

RelationshipsValue 4.0Jan 5, 2026L3Harris Nears $500 Million Stake Sale of Space Propulsion Assets to AE Industrial Partners

AE Industrial Partners plans to restore the historic Rocketdyne name to the Space Propulsion and Power Systems business.

PlanRelationshipsValue 3.0Jan 5, 2026L3Harris Consolidates into Three Segments; Creates Dedicated Space & Mission Systems Unit

AE Industrial Partners' acquisition of L3Harris' propulsion assets reinforces its position as a major consolidator in the aerospace and defense sectors.

RelationshipsGeneralValue 3.0Jan 5, 2026L3Harris Nears $500 Million Stake Sale of Space Propulsion Assets to AE Industrial Partners

York Space Systems is a portfolio company of AE Industrial Partners.

RelationshipsValue 3.2Nov 17, 2025Latest News

AE Industrial Partners acquired a majority stake in Firefly Aerospace in 2022.

RelationshipsFinancialValue 4.0Jul 18, 2024Firefly CEO leaves company

AE Industrial Partners acquired a majority stake in York Space Systems in 2022.

RelationshipsFinancialValue 4.2Feb 24, 2024space-industry-seeks-clarity-on-defense-market-plans

AE Industrial Partners led a $75,000,000 funding round in Firefly Aerospace in March 2022.

RelationshipsFinancialValue 4.6Jun 8, 2023Firefly Aerospace acquires Spaceflight Inc.

AE Industrial Partners acquired Firefly Aerospace in 2022.

RelationshipsValue 4.2Jun 8, 2023Firefly Aerospace acquires Spaceflight Inc.

York Space Systems is selling a majority stake in the company to private equity firm AE Industrial Partners at an enterprise valuation of $1,125,000,000.

RelationshipsFinancialValue 5.0Oct 5, 2022Spacecraft builder York sells stake to private equity firm AEI at over $1 billion valuation

AE Industrial Partners acquired a 51% equity stake in York Space Systems at a $1,125,000,000 valuation.

RelationshipsFinancialValue 5.0Oct 5, 2022Spacecraft builder York sells stake to private equity firm AEI at over $1 billion valuation

AE Industrial Partners plans to acquire a majority stake in York Space Systems on 2022-10-04.

RelationshipsFinancialValue 4.2Oct 4, 2022AEI claims majority stake in York Space Systems

AE Industrial Partners created Redwire Space in 2020 after acquiring Adcole Maryland Aerospace, Deep Space Systems and Made In Space.

RelationshipsValue 4.0Oct 4, 2022AEI claims majority stake in York Space Systems

Redwire was created by private equity firm AE Industrial Partners in June 2020.

RelationshipsGeneralValue 3.0Oct 3, 2022Redwire back on acquisition trail with deal for QinetiQ Space

AE Industrial Partners led a $75,000,000 Series B funding round for Firefly in March 2022.

FinancialRelationshipsValue 5.0Aug 19, 2022Big plans for mini-launchers

The Series A investment in Sierra Space was led by General Atlantic, Coatue, and Moore Strategic Ventures with participation from funds and accounts managed by BlackRock Private Equity Partners and AE Industrial Partners.

RelationshipsFinancialValue 4.0Jun 29, 2022New cooperation agreement signed between Sierra Space, Turkish Space Agency + ESEN for LEO, lunar + astronaut programs development

AE Industrial Partners is a private equity firm that agreed to acquire a significant stake in Firefly Aerospace from Noosphere Venture Partners.

RelationshipsFinancialValue 4.0Jun 16, 2022Firefly co-founder Markusic to step down as CEO

AE Industrial Partners led Firefly Aerospace’s $75,000,000 Series B funding round in March.

RelationshipsFinancialValue 4.0Jun 16, 2022Firefly co-founder Markusic to step down as CEO

The Series A investment in Sierra Space was led by General Atlantic, Coatue, and Moore Strategic Ventures, with participation from funds and accounts managed by BlackRock Private Equity Partners and AE Industrial Partners.

RelationshipsFinancialValue 4.3Jun 1, 2022Sierra Space + Spirit AeroSystems Form Strategic Partnership

Funds and accounts managed by BlackRock Private Equity Partners and AE Industrial Partners participated in Sierra Space’s $1,400,000,000 Series A investment.

FinancialRelationshipsValue 4.5Apr 20, 2022Sierra Space Names New Chief Operating Officer
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