One Rock Capital Partners
Private equityNew York · Growth · 28 people tracked
Investment thesis
One Rock's investment philosophy centers on navigating complexity and pursuing situations where value-creation levers remain within its operational control. The firm targets growing companies that benefit from a rigorous, hands-on approach to operational and strategic improvement. Its primary areas of focus include complex corporate carve-outs (lacking standalone infrastructure or complete management teams), complicated or misunderstood companies and industries (facing issues such as absent audited financials, perceived secular decline, management transitions, contingent liabilities, or regulatory uncertainty), and under-optimized companies experiencing financial stress, operational concerns, or management constraints. One Rock provides operational, strategic, and financial resources, leveraging its Operating Partners and the global reach of strategic partner Mitsubishi Corporation.
Source: firm website, verified Aug 25, 2026.
Team · 28 people
from the firm's websiteWhat they invest in
from 31 of 41 portfolio companiesAdvanced Manufacturing ×19New Materials ×11Circular Economy ×6Hardware ×6Construction Tech ×5FoodTech ×5Cleantech ×4Consumer ×4
HQs:United States×13France×1
Investments · 41 tracked
founders shown can be your intro pathKensing manufactures plant-based, high-purity ingredients including natural vitamin E (tocopherols), sunflower-derived phytosterols, biosurfactants, and specialty esters.
Advanced ManufacturingNew MaterialsWellness & FitnessKankakee, US
Serge Rogasik(Chief Executive Officer)Dani Cao(Chief Commercial Officer)
Airxcel is a family of brands supplying components for the recreational vehicle (RV) industry, including energy-efficient and sustainability-focused products.
Advanced ManufacturingHardwareMobility & Transportation
Co-investorsFarol Asset Management
ArchKey Solutions is a large electrical and technology systems contractor that designs, builds, and maintains electrical, technology, and specialty systems for new construction and retrofit projects.
Construction TechEnergy
Steven Stone(Chief Executive Officer)
Owner of North American spring and purified water brands including Poland Spring, Deer Park, Ozarka, Pure Life, Splash and Zephyrhills; carve-out from Nestle.
BrightView is a commercial landscaping company that provides full-lifecycle landscape design, maintenance, and related services for clients across the United States.
Construction Tech
Co-investorsFarol Asset Management
Carlisle Brake & Friction develops high-performance and severe-duty brake, clutch, transmission and hydraulic actuation products, including an electrically actuated park brake for electrified drivetrains.
Advanced ManufacturingHardwareMobility & Transportation
CentroMotion designs and manufactures highly engineered, application-specific systems and components for equipment used in transportation, agriculture, construction, mining, and industrial environments.
Advanced ManufacturingConstruction TechHardware
Dicor Products manufactures RV roofing systems, sealants, coatings and related specialty products, supplying both RV manufacturers and the aftermarket.
Advanced ManufacturingMobility & TransportationNew Materials
EAT HAPPY HANA GROUP is a pan-European provider of ultra-fresh sushi and Asian-inspired grab-and-go food, prepared daily at the point of sale by trained chefs.
ConsumerFoodTechRetail Tech
Elementis develops specialty chemical additives designed to improve the performance of customers' products across a range of industries and applications.
Advanced ManufacturingNew MaterialsLondon
Ralph Hewins(Chief Financial Officer)Luc van Ravenstein(Chief Executive Officer)
BoardChristopher Mills(Non-independent Non-Executive Director)Christine Soden(Non-Executive Director)John O'Higgins(Chairman of the Board of Directors)Geertrui Schoolenberg(Senior Independent Director)
EnviroServe provides industrial waste handling, transportation, processing, recycling and disposal services along with environmental field services, remediation and 24/7 emergency spill response.
Circular EconomyCleantechLogistics & Supply Chain
EnviroServe provides industrial waste handling, transportation, processing, recycling, and disposal services along with environmental field services, remediation, and 24/7 emergency spill response.
Circular EconomyCleantechLogistics & Supply Chain
Eubank, a brand of AirX Climate Solutions, manufactures specialty exterior wall-mount air conditioners and heat pumps for industrial and commercial use across industries such as energy storage, telecommunications, schools, data centers, and petrochemical facilities.
Advanced ManufacturingCleantechHardwareCordele, US
Europe Snacks is a private label manufacturer of savoury snacks, producing crisps and snacks made to retailers' brand specifications.
Advanced ManufacturingFoodTech
Expanse Electrical provides turnkey electrical solutions spanning design, engineering, procurement, construction, maintenance, and repair.
Construction TechEnergy
FXI manufactures foam-based comfort products including bedding and sleep solutions, home furnishings, transportation applications, and specialty materials for the healthcare sector.
Advanced ManufacturingConsumerNew Materials
Global distributor of plastics including polymer products and prime engineering resins; includes Nexeo Plastics, a carve-out from Univar Solutions.
Co-investorsFarol Asset Management
Owner and operator of bulk fuel import/storage terminals, pipelines and a retail fuel network serving Hawaii; carve-out from Chevron.
Innophos develops specialty phosphate ingredients, nutrition solutions, and chelated minerals for the food and beverage, health and nutrition, and industrial specialties markets.
Advanced ManufacturingFoodTechNew Materials
Co-investorsFarol Asset Management
Island Energy Services is an energy company that operates fuel storage and distribution infrastructure, including its Kapolei fuel storage facility.
Energy
Manufacturer of specialty chemicals from natural raw materials serving home & personal care, food & nutrition, healthcare and agriculture; carve-out from BASF.
Producer of branded, private label and franchised packaged sliced bread, buns and rolls, primarily for the retail channel.
Lewis Bakeries is a family-owned bakery company that produces and sells a line of bread and baked goods brands.
ConsumerFoodTech
The page presents RV industry news and press releases from the Airxcel family of brands, covering product launches, company expansions, partnerships, and energy-efficient components for the recreational vehicle industry.
Advanced ManufacturingMedia & Entertainment
Monarch Landscape Companies is an alliance of regional commercial landscape companies operating across the United States, providing landscaping services for commercial properties, campuses, and parks.
Construction Tech
NORPAC produces recyclable packaging papers and graphic papers, including its Natural Choice line for laser and inkjet printing.
Advanced ManufacturingCircular EconomyNew Materials
Petroplex provides well stimulation and acidizing services for oil producers in the Permian Basin, using its Petrosol acid solution and an equipment fleet offering rigged and rig-less treatment options.
Energy
Prefere Resins is a manufacturer of phenolic, specialty urea, and melamine resins as well as derivatives of methanol-(C1)-chemistry such as paraformaldehyde and formaldehyde, serving customers in the construction, insulation, paint, tire, and coatings industries.
Advanced ManufacturingCleantechNew Materials
Christian Remus(Group Lead (from October 1st, 2026))Emily Nuber(EVP Procurement & Supply Chain)
BoardElmar Boeke(Chairman of the Advisory Board (former Group lead))
Primo Brands operates a portfolio of bottled water and beverage brands, offering retail products, water exchange locations, and self-service refill stations to consumers across North America.
Consumer
Co-investorsFarol Asset Management
Owner of spring and purified water brands in North America such as Poland Spring, Deer Park, Ozarka, Pure Life, Splash and Zephyrhills; a carve-out from Nestle.
Robertshaw designs and manufactures controls and components, including cold controls such as explosion-proof units intended for safety and compliance applications.
Advanced ManufacturingHardware
Co-investorsSun Capital Partners
Follow-on investment (June 2022) covering amphoteric surfactants and specialty esters operations in Hopewell, VA.
Fund performance · per public LP disclosures · 6
as of Jun 2025| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| One Rock Capital Partners - NYC Co-InvestmentLPs: New York City Police Pension Fund, New York City Employees' Retirement System | 2023 | — | — | 1.22x | — |
| One Rock Capital Partners IVLPs: Empire State Development – New York Ventures, Connecticut Retirement Plans and Trust Funds, District of Columbia Retirement Board +3 more | 2023 | — | — | 1.10x | — |
| One Rock Capital Partners IIILPs: New York City Employees' Retirement System, Teachers' Retirement System of the City of New York, New York City Police Pension Fund | 2021 | — | 28.8% | 1.96x | 0.91x |
| One Rock Capital Partners III, LPLPs: Connecticut Retirement Plans and Trust Funds, District of Columbia Retirement Board, Texas Municipal Retirement System +6 more | 2021 | — | 24.5% | 1.97x | 1.10x |
| One Rock Capital Partners Fund III, LPLPs: Los Angeles County Employees Retirement Association | 2020 | — | 27.4% | 1.92x | 0.91x |
| One Rock Capital Partners II, LPLPs: Los Angeles County Employees Retirement Association, Texas Municipal Retirement System, District of Columbia Retirement Board | 2017 | — | 2.7% | 1.26x | 0.54x |
Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).
Frequently asked questions
- How many investments has One Rock Capital Partners made?
- One Rock Capital Partners has 41 tracked investments.
- What stage does One Rock Capital Partners invest at?
- One Rock Capital Partners invests at the Growth stage.
- What sectors does One Rock Capital Partners focus on?
- One Rock Capital Partners focuses on Sector Agnostic.
- Where is One Rock Capital Partners located?
- One Rock Capital Partners is headquartered in New York, US.
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