Newlight Partners Makes Equity Investment in Propeller Industries

Lightyear Capital Takes Majority Stake in Prosperity Partners

July 14, 2026

Professional Services

Lightyear Capital is making a majority growth investment in Prosperity Partners, a Chicago-based tax, client accounting, and transaction support services firm. The deal is expected to close in Q3 2026, subject to regulatory approvals, while Unity Partners will retain a minority stake.

VoltaGrid Secures $1B Equity Investment from Blackstone and Halliburton and Agrees to Acquire Propell

May 11, 2026

Energy

VoltaGrid signed agreements for a $1.0 billion strategic equity investment led by funds managed by Blackstone Tactical Opportunities and Halliburton, including a $775 million primary capital raise and a $225 million secondary purchase. In addition, VoltaGrid signed a definitive agreement to acquire Propell Energy Technology Ltd. and its affiliates, a key supplier, to build a more vertically integrated behind-the-meter power generation platform.

Hartzell Propeller Acquires WhirlWind Propellers

April 25, 2024

Aerospace & Defense

Hartzell Propeller, a portfolio company of Arcline Investment Management, has acquired WhirlWind Propellers Corporation to expand its product offering into light‑sport, experimental and unmanned aircraft markets. WhirlWind's founder Jim Rust will join Hartzell to support rapid prototyping and composite systems development.

Newlight Partners Makes Growth Investment in Constellation

February 1, 2023

Cloud & SaaS

Constellation, a New York–based verticalized SaaS platform for highly regulated industries, received a significant growth equity investment from Newlight Partners LP to accelerate expansion into new industries and support strategic acquisitions. The financing will fund Constellation’s growth across automotive, pharmaceutical, and financial sectors while enhancing its proprietary marketing compliance technology and service offerings.

Newlight Partners Makes Equity Investment in Sail Internet

November 1, 2020

Telecommunications

Affiliates of Newlight Partners LP have made an undisclosed equity investment in Sail Internet, a San Francisco Bay Area fiber- and wireless-based high-speed internet provider. The capital will support Sail’s network expansion across the Bay Area and enable growth through organic initiatives and potential strategic acquisitions; existing investors including Ulu Ventures, Engineering Capital and Better Ventures are maintaining their stakes.

Newlight Partners LP Makes $106M Growth Investment in Bioenergy DevCo

August 8, 2019

Renewable Energy

Bioenergy DevCo, a developer and operator of anaerobic digestion facilities, received a $106 million minority growth investment from Newlight Partners LP. The capital will be used to expand Bioenergy DevCo's operational footprint across North America to build and operate additional renewable natural gas and organics-recycling facilities.