
RockPort Capital
160 Federal Street 18th Floor, Boston, Massachusetts, 02110, United States
Overview
RockPort Capital is a multi-stage venture capital firm that invests in the areas of alternative and traditional energy, mobility, and sustainability. For more than a decade RockPort has partnered with entrepreneurs to foster growth and create value in a broad range of industrial and consumer facing companies whose technologies and products provide innovative solutions to significant worldwide markets. RockPort has a collaborative approach to investing, deep domain expertise, and insights into all aspects of energy and cleantech. With offices in Boston and Menlo Park, RockPort is globally recognized as being among the largest and most established energy-focused venture capital firms.
- Total investments
- 48
- Lead investments
- 8
- Investments · 12mo
- 0
- Active investors
- 8
Sector focus
- Energy
- Energy Efficiency
- Sustainability
- Venture Capital
Investment portfolio
- Qnovo
Participated · Series C · Jan 2022
Qnovo provides physics-based, AI-enhanced software that delivers real-time insights into lithium-ion battery performance, enabling automakers and energy storage operators to maximize safety, lifespan, and residual value. The company’s platform offers a hardware-free architecture that digitally accounts for battery health with 98.7% accuracy in detecting potential safety issues. Qnovo’s technology has been validated over 2,000,000 km of vehicle road data and is already deployed in more than 200 million devices. Holding 60+ patents, Qnovo positions its software as a strategic differentiator for OEMs transitioning to software-defined electric mobility. Future plans include broader deployment across electric mobility, autonomous systems, and grid storage in partnership with global manufacturers such as Hyundai Motor and Kia. Financial details such as revenue were not disclosed in the article, but the company’s growing roster of strategic investors underscores market confidence in its solution.
- Ratio.City
Participated · Seed · Jul 2019
Ratio.City offers a cloud-based urban analytics platform and API that uses artificial intelligence to organize data, detect patterns, and synthesize information for real estate decision-making. Its product includes mapping, visualization, and 3D analysis tools aimed at real estate developers, commercial brokerages, architects and urban planners. The company launched last summer and is currently incubated at Ryerson University's DMZ. Ratio.City raised $1 million in seed financing and plans to use the funds to build its sales team and broaden its dataset and geographic coverage. Founders Monika Jaroszonek and CTO Erin Morrow bring experience in mixed‑use development and 17 years of urban planning at Arup, respectively, which the company cites as strong founder–market fit. Ratio.City intends to expand into additional Canadian markets before entering the United States to attract larger developers and brokers seeking sites beyond Toronto.
- Honest Buildings
Participated · Series B · Jun 2018
Honest Buildings offers a project management platform designed for real estate owners to manage capital and construction projects. The platform is used by global, national and local owners including Brookfield, Oxford Properties, First Capital Realty, The Durst Organization, Beacon Capital Partners, Invesco, SL Green, Silverstein Properties, JBG Smith, and others. The company plans to use new funding to invest in product, engineering, design and customer success teams, and to expand the platform’s scope of functionality. Management intends to double staff in the next year. Honest Buildings is led by Co‑Founder and CEO Riggs Kubiak and is based in New York City. To date the company has raised $48M. Honest Buildings is a project-management platform built for and backed by real estate owners. The platform serves owners including Brookfield, Oxford Properties, Beacon Capital Partners, Invesco, SL Green, The Durst Organization, Silverstein Properties, JBG Smith, Harvest Properties, Parkway Properties, and Rudin Management. Led by founder and CEO Riggs Kubiak and based in New York City, the company provides project management tools tailored to real estate owners. It raised an additional $3.5M in Series B funding, bringing the Series B to $25M and total investment to date to $43M. Honest Buildings intends to use the funds to expand across North America and beyond, grow its product and business development teams, and explore new partnerships and integrations. Honest Buildings offers a project management technology platform designed to help commercial real estate owners complete capital and construction projects on time and on budget. The platform is used by major owners and managers including Brookfield, Oxford Properties, Beacon Capital Partners, Invesco, SL Green, The Durst Organization, Silverstein Properties, JBG Smith, Harvest Properties, Parkway Properties and Rudin Management. The company is led by CEO Riggs Kubiak. In October 2017 Honest Buildings announced a $13M Series B, and in 2018 it raised an additional $8M, bringing the total Series B to $21M. The new capital is intended to support expansion across North America and into select international markets and to grow its product and business development teams. Michael Turner of Oxford Properties joined the Honest Buildings board in conjunction with the funding. Honest Buildings offers a project-management platform specifically for real estate owners and operators, centralizing project data, automating bid management, standardizing reporting, and increasing transparency. The product is used to manage capital and construction projects portfolio-wide to help owners deliver projects faster, reduce costs, and make data-driven decisions. Customers named in the article include Brookfield, Beacon Capital Partners, Invesco, JBG Smith, SL Green, Parkway Properties and Rudin Management. The company reports over $6 billion in projects have run through the platform and a 500% growth rate, with expansion to properties in every U.S. state and into Canada. Recent new users include The Durst Organization, Silverstein Properties, Harvest Properties, Divco West and Washington REIT. Honest Buildings emphasizes building its platform in partnership with real estate owners and continuing to scale adoption among large landlords. Honest Buildings operates a centralized online network that connects real estate owners and developers with their vendors. It provides a secure procurement and workflow platform built specifically for real estate owners, managers, and investors to automate project bidding and review, reduce project costs, and mitigate counterparty risk. The company has facilitated nearly $600 million of construction projects since its founding and counts clients including WeWork, Kushner Companies, Equinox, Benchmark Real Estate Group and Madison Realty Capital. Launched in 2012 and led by founder and CEO Riggs Kubiak, Honest Buildings is based in New York City. The company has raised more than $17 million in venture capital to date and recently closed a $5 million strategic A-2 financing.
- Achates Power
Participated · Series D · Oct 2017
Achates Power develops improved internal combustion engines designed to increase fuel efficiency and reduce greenhouse gas emissions at a lower cost. Its flagship Opposed-Piston Engine is a two-stroke, compression-ignition design engineered for superior thermal efficiency via lower heat losses, improved combustion and reduced pumping losses. The company raised $29.8M in Series D equity to support growth. It intends to use the funds to accelerate growth, commercialization and continued technology development. Founded in 2004 and led by president and CEO David Johnson, Achates has more than 100 employees across San Diego and metro-Detroit. The company is focused on commercializing its engine technology. Achates Power is developing an advanced opposed-piston diesel engine designed to improve fuel efficiency. The company is based in Sorrento Valley. In a Sept. 5 filing with U.S. securities regulators, Achates said it is issuing $21.2 million in stock. Of that amount, $11.2 million was issued to two investors beginning Aug. 25, and $10 million is planned to be issued. Achates is celebrating its 10th anniversary this year. Achates Power develops internal combustion engines designed to boost fuel efficiency and cut greenhouse gas emissions. The company focuses on product development and commercialization of its engine technology. It intends to use the new funds to accelerate those development and commercialization efforts. Achates was founded in 2004 by Dr. James Lemke and is led by CEO David Johnson. The company has formed an Advisory Board featuring industry veterans from institutions such as Wayne State University, General Motors, Volvo Powertrain, MAN Truck & Bus AG, Honeywell Turbo Technologies and Cummins. Achates Power, based in San Diego and founded in 2004, develops a lightweight, more fuel-efficient and lower-cost engine architecture. Its modular, scalable design is intended to address a variety of end-use applications and the company has completed over five years of dynamometer validation on a single-cylinder design. Achates is now testing a 4.2L 4-cylinder engine that the company says rivals conventional engines nearly twice its size. The firm has assembled a global team of engine design and development experts and a world-class Technical Advisory Board; CEO David Johnson has more than 20 years of industry experience. Achates has generated 8 U.S. patents with nearly 300 claims, 2 international patents, 10 U.S. patent applications, and 31 national phase filings. Financially, the company completed a $19.2M Series B financing with the addition of a new investor, Triangle Peak Partners.
- NewLeaf Symbiotics
Participated · Series C · Sep 2017
NewLeaf Symbiotics develops products based on pink-pigmented facultative methylotrophs (PPFMs) that are naturally symbiotic with plants. Led by CEO Brent Smith, the company focuses on discovery, development, production and commercialization of microbe-based biostimulants and related technologies. It has filed more than 200 patents and patent applications and has introduced its first biostimulant products in the U.S. for corn and soy. NewLeaf plans a 2024 rollout that includes an EPA‑registered biopesticide technology shown to repel corn rootworm, new biostimulant technologies for peanut and cotton, and continued R&D around rice yield, nitrogen efficiency and methane reduction impact. The company intends to use new funding to accelerate work on PPFM technology and adjacent areas including microbial inoculants, biocontrol, nitrogen use efficiency and methane mitigation. NewLeaf is based in St. Louis, MO. NewLeaf Symbiotics is a venture-funded agricultural biologicals company engaged in discovery, development, production, and commercialization of products containing beneficial plant bacteria, with a focus on methylotrophic bacteria. The company leverages a proprietary biologicals platform and is expanding its Prescriptive Biologics Knowledgebase™ bioinformatics platform. NewLeaf is developing seed treatment and in-furrow products for soybeans, corn, wheat, peanuts, and other crops. It recently completed the second close to complete a $30MM Series C financing, which the company says was oversubscribed. Proceeds will be used to commercialize products and to triple the square footage of its R&D and pilot production facility in St. Louis. The company has a 30+ member team based in BRDG Park at the Donald Danforth Plant Science Center in St. Louis, MO. NewLeaf Symbiotics is a St. Louis, Missouri–based agricultural bio company focused on commercialization of beneficial plant bacteria. Led by CEO Tom Laurita, the company develops biological products derived from plant-associated bacteria. It acquired Intuitive Genomics, a bioinformatics solutions provider, in 2013. NewLeaf intends to use new funding to accelerate R&D, ramp production from pilot to commercial scale, and bring its first biological products to market. The company expects initial product sales in 2015. Financially, it previously closed a $7m Series A in January 2013. NewLeaf Symbiotics is a development-stage agricultural biotechnology company commercializing a family of beneficial bacteria known as PPFMs (Pink Pigmented Facultative Methylotrophs). PPFMs are described as ubiquitous in nature and, when applied to plants, supply essential nutrients, improve plant health, promote early growth and increase crop yield. The company positions use of these symbiotic microorganisms as a way to reduce reliance on synthetic chemicals and support more profitable, sustainable farming. NewLeaf operates out of the Bio-Research & Development Growth (BRDG) Park at the Danforth Plant Science Center in St. Louis and was formerly known as TrophoMax LLC. Following its financing, NewLeaf plans to expand field trials across multiple market segments, advance product formulation efforts and expand its portfolio of intellectual property. Investors in the round cited the company’s strong IP and experienced management team in supporting its commercialization strategy.