Wheelock Street Capital Secures $62.5 Million Loan for Bedford Manufacturing Campus

The 23.4-acre property includes a 148,000-square-foot facility leased to an MIT-backed energy storage firm and a site entitled for a second building of the same size.

By the Family Office Real Estate Daily Desk·Thursday, September 3, 2026·2 min read

Editorial summary of reporting byJLL Our editorial standards →

The answer · checked against JLL

Who arranged and secured the $62.5 million loan for the Wheelock Street Capital and Camber Development manufacturing campus in Bedford, Massachusetts?

JLL Capital Markets arranged $62.5 million in financing for 44 Middlesex Turnpike, a 23.4-acre advanced manufacturing campus in Bedford, Massachusetts, on behalf of a partnership between Wheelock Street Capital and Camber Development. The loan was secured through Blue Light Capital. The campus includes a newly completed 148,458-square-foot facility that is 32% leased to Fourth Power, an MIT-backed energy storage company, plus an adjacent pad-ready site entitled for an additional 147,000 square feet.

Key facts

JLL Capital Markets arranged $62.5 million in financing for 44 Middlesex Turnpike in Bedford, Massachusetts, on behalf of borrowers Wheelock Street Capital and Camber Development.
The loan for 44 Middlesex Turnpike was provided by Blue Light Capital, a firm founded by Michael Tepedino as a joint venture among Jeremy Burton, Greg Manocherian, Pan Am Equities, and an institutional partner with over $300 billion of assets under management.
The 148,458-square-foot first building at 44 Middlesex Turnpike delivered at the end of 2024 and is currently 32% leased to Fourth Power, an energy sustainability and grid resilience company whose technology spun out of MIT.
Fourth Power's long duration thermal energy storage system is backed by Munich Re Ventures, DCVC, and Bill Gates' Breakthrough Energy Ventures, according to the JLL announcement.
The 23.4-acre campus includes an adjacent 12.3-acre pad-ready development site entitled for an additional 147,000 square feet, which upon completion would bring the total campus to 295,000 square feet.
Massachusetts ranks second nationally in advanced manufacturing investments since 2020 and first in per capita investment, according to the JLL announcement.

Wheelock Street Capital Secures $62.5 Million Loan for Bedford Manufacturing Campus — Image: editorial illustration · Story sourced from JLL

JLL arranged $62.5 million in financing for a 23.4-acre advanced manufacturing campus in Bedford, Massachusetts, the firm said Aug. 31. The loan was provided by Blue Light Capital to a joint venture between Wheelock Street Capital and Camber Development.

The property consists of a newly completed 148,458-square-foot Class A manufacturing facility and an adjacent 12.3-acre pad-ready site entitled for an additional 147,000 square feet. Upon completion of the second phase, the campus will total 295,000 square feet. The first building delivered at the end of 2024 and is currently 32% leased to Fourth Power, an energy sustainability and grid resilience company.

Fourth Power is commercializing a long-duration thermal energy storage system that spun out of MIT, where its founder is a professor. The company is backed by Munich Re Ventures, DCVC and Bill Gates' Breakthrough Energy Ventures.

The facility at 44 Middlesex Turnpike features 36-foot to 40-foot clear heights in high-bay areas, 8,600 amps of power per building, flexible mezzanine space with 20-foot clear heights, 40-foot by 40-foot column spacing and six loading docks per building. The reinforced roof structure accommodates rooftop mechanical systems, eliminating loss factors and providing flexibility for tenants requiring specialized buildouts. These specifications distinguish the asset from older converted flex industrial buildings that historically served manufacturing tenants, JLL said.

The property sits on Middlesex Turnpike with immediate access to Route 3 and connections to Interstate 95 in five minutes and downtown Boston in 20 minutes. The site is within a 30-minute drive of roughly 500,000 people and reaches more than 2.1 million people within a 60-minute commute. The location serves executive and research-and-development talent throughout the Boston suburbs while accessing a manufacturing workforce concentrated north of Boston through southern New Hampshire.

Bedford and the surrounding North Market have emerged as Greater Boston's primary hub for advanced manufacturing given the area's connectivity to Cambridge and inventory of high-powered buildings. The location benefits from proximity to MIT's Lincoln Laboratory, which conducts advanced technology research and development for national security applications, and the MIT Bates Laboratory, a research facility associated with MIT's Laboratory for Nuclear Science.

The Greater Boston market has experienced significant growth in advanced manufacturing tenant demand over the last 12 months, driven by venture capital investment in sectors including physical AI and robotics, aerospace and defense, energy storage and climate technology, semiconductor development, 3D printing, medical devices and biomanufacturing. Massachusetts ranks second nationally in advanced manufacturing investments since 2020 and first in per capita investment, according to JLL. The JLL Capital Markets team was led by Senior Managing Directors Brett Paulsrud and Steve Klein, Director Ryan Parker, Vice President Hugh Doherty and Analyst Libby Horton. The joint venture between Wheelock Street Capital and Camber Development created a differentiated product that addresses the growing demand from companies in robotics, energy storage, semiconductor and climate technology sectors, Paulsrud said.

The Deployment Angle

Family Office Real Estate Daily Desk · our analysis, not the source's

The transaction provides a valuation benchmark for purpose-built manufacturing stock in talent-dense markets. At $62.5 million for a 148,458-square-foot facility that is 32% leased, the loan implies an asset value in the range of $420 to $430 per square foot, depending on the allocation of proceeds to the entitled pad site. That pricing reflects underwriting confidence in the building's tenant appeal and the sponsorship's ability to lease the remainder and execute phase two.

Family offices considering co-GP opportunities in industrial development should note the specification premiums commanded by high-power infrastructure. This property delivers 8,600 amps per building, more than double the typical flex conversion, and features reinforced roofs that eliminate mechanical-system loss factors. Those attributes matter to venture-backed manufacturing tenants, which are willing to pay for turnkey flexibility. The risk is lease-up timing: the building delivered at the end of 2024 and remains two-thirds vacant, meaning the equity is carrying negative cash flow while pursuing additional tenants.

The Bedford location benefits from proximity to MIT's Lincoln Laboratory and the MIT Bates Laboratory, which anchor a cluster of advanced manufacturing, life sciences and defense technology employers. That ecosystem attracts venture capital to physical AI, robotics, energy storage and semiconductor firms, all of which require manufacturing space. Massachusetts ranks second nationally in advanced manufacturing investment since 2020 and first on a per capita basis, according to JLL. Family offices with programmatic industrial capital should underwrite the North Market as a node where engineering talent and manufacturing workforce overlap within a 30-minute radius.

The deal structure, a construction-completion loan rather than stabilized debt, suggests the lender priced in the entitled expansion and the sponsor's track record. Family offices evaluating separate-account partnerships with operators like Wheelock Street Capital or Camber Development should focus on pre-leasing velocity and the sponsor's tenant relationships in venture-backed sectors. The presence of Fourth Power, backed by Breakthrough Energy Ventures and Munich Re Ventures, de-risks the first phase but does not eliminate the execution risk on the remaining 100,000 square feet or the second building.

Questions this story answers

01Who arranged and who provided the $62.5 million loan for the Bedford manufacturing campus?

JLL Capital Markets arranged the $62.5 million loan on behalf of the borrower, a partnership between Wheelock Street Capital and Camber Development. Blue Light Capital provided the financing. The JLL team was led by Senior Managing Directors Brett Paulsrud and Steve Klein, Director Ryan Parker, Vice President Hugh Doherty, and Analyst Libby Horton.

02What is the current occupancy and tenant situation at 44 Middlesex Turnpike in Bedford?

The 148,458-square-foot first building at 44 Middlesex Turnpike delivered at the end of 2024 and is currently 32% leased to Fourth Power, an energy sustainability and grid resilience company. Fourth Power is commercializing a long duration thermal energy storage system that spun out of MIT, where its founder is a Professor.

03What are the key physical specifications of the advanced manufacturing facility at 44 Middlesex Turnpike?

The facility features 36-foot to 40-foot clear heights in high-bay areas, 8,600 amps of power per building totaling 17,200 amps across the campus, flexible mezzanine space with 20-foot clear heights, 40-foot by 40-foot column spacing, and six loading docks per building. The reinforced roof structure accommodates rooftop mechanical systems.

04What is the development potential of the Bedford campus site?

The campus includes a 12.3-acre pad-ready development site adjacent to the existing building, entitled for an additional 147,000 square feet. Upon completion of that second phase, the campus at 44 Middlesex Turnpike would total 295,000 square feet of advanced manufacturing space.

05What is driving advanced manufacturing demand in Greater Boston?

According to the JLL announcement, Greater Boston has experienced significant growth in advanced manufacturing tenant demand over the last 12 months, driven by venture capital investment in physical AI and robotics, aerospace and defense, energy storage and climate technology, semiconductor development, 3D printing, medical devices, and biomanufacturing. Massachusetts ranks second nationally in advanced manufacturing investments since 2020 and first in per capita investment.

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