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DigitalBridge to acquire Boston private equity firm for $1 billion

Reported by Bizjournals
May 27, 2026· 2 min read
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Key Takeaways
  • • DigitalBridge is acquiring Boston-based private equity firm ArcLight for $1 billion, marking a significant consolidation in the infrastructure and energy investment sector.
  • • The combined entity will manage an estimated $150 billion in assets, substantially increasing DigitalBridge's scale and diversification across technology and energy infrastructure verticals.
  • • ArcLight brings established expertise in private equity investing, complementing DigitalBridge's existing portfolio and strengthening its competitive positioning in alternative asset management.
  • • The Boca Raton-based DigitalBridge continues its expansion strategy, following recent Japanese acquisitions and concurrent investments in U.S. data center development and energy grid infrastructure.
Summary
DigitalBridge Group, the Boca Raton-based infrastructure and digital asset investment firm, is acquiring ArcLight Capital Partners, a Boston-based private equity firm, for $1 billion in an all-cash transaction announced May 27, 2026. The acquisition represents a strategic move to expand DigitalBridge's asset base and enhance its capabilities across multiple investment segments, particularly in energy and infrastructure sectors where ArcLight maintains significant expertise.

Upon completion, the combined businesses will manage approximately $150 billion in total assets under management, positioning the merged entity as a substantially larger player in the alternative investment landscape. This asset base consolidation allows DigitalBridge to leverage complementary investment theses and operational synergies between the two organizations while broadening exposure to private equity investments alongside its existing digital infrastructure and energy transition focus.

The transaction aligns with DigitalBridge's broader capital deployment strategy throughout 2026, which includes concurrent initiatives to invest up to $1 billion in building and expanding U.S. data centers and securing $450 million to support Texas electricity grid infrastructure. These parallel investments underscore DigitalBridge's multi-platform approach to capturing growth opportunities in digital infrastructure and energy transition, sectors benefiting from significant secular tailwinds driven by artificial intelligence adoption and grid modernization demand.

The ArcLight acquisition marks DigitalBridge's second major expansion initiative in recent months and demonstrates management's confidence in deploying capital opportunistically while the firm continues to execute on its existing portfolio and development pipeline.

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Sources

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Bizjournals DigitalBridge to acquire Boston private equity firm for $1 billion