Fundraising Fox

J.F. Lehman

Private equity

New York · Growth–Late Stage · 33 people tracked

Also known as J.F. Lehman And Company Llc

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Investment thesis

JFLCO operates an integrated investment platform combining private equity and credit expertise built over decades, alongside value-creation capabilities and a broad network of industry relationships. The firm pursues sector-focused, middle-market strategies, targeting companies with distinctive capabilities in its core markets, which it describes as large, complex and growing. A balanced team of investment professionals and operating executives brings complementary skills and experience to help navigate these markets. JFLCO seeks to partner with management teams and other stakeholders to drive and realize value across both its equity and credit approaches.

Source: firm website, verified Aug 6, 2026.

Stage
Growth–Late Stage
Check
$75M – $750M
HQ
New York, NY, US
Instruments
Equity · Debt
Tracked investments
48

Team · 33 people

from the firm's website
Erik P. Toth· Managing Director, Portfolio Operations
Grace Xu· Assistant Controller
Kevin Vallès· Managing Director, Private Equity

What they invest in

from 13 of 48 portfolio companies

Hardware ×7Advanced Manufacturing ×5New Materials ×4Defense Tech ×3Logistics & Supply Chain ×3Cleantech ×2Energy ×2Circular Economy ×1

HQs:United States×2United Kingdom×1

Investments · 48 tracked

founders shown can be your intro path
Forged Solutions Groupforgedsolutionsgroup.comin✓ verified

Forged Solutions Group manufactures high-integrity forgings — including shafts, rings, discs, asymmetric forgings and extruded cylinders — in titanium, nickel, aluminium, copper and steel alloys from sites in the UK and USA.

Advanced ManufacturingDefense TechNew Materials

Co-investorsArlington Capital Partners

Accudyne & Kilgore
ACR Electronicsacrartex.com𝕏

ACR ARTEX designs and manufactures emergency safety and rescue devices, including 406 MHz personal locator beacons with satellite and local signaling for people in maritime, aviation, and outdoor environments.

HardwareIoT

Aeronautical & General Instruments Limited

Poole, U.K.

American Scaffold
API Technologies
Atlantic Inertial Systems
Atlantic Marine
Atlas Air Worldwideatlasairworldwide.comin𝕏

Atlas Air Worldwide provides global airfreight services, including scheduled, charter, and military transport, operating a fleet for commercial, charter, and military customers.

Logistics & Supply Chain

Atomic Transport
BEI Precision Systems and Space Company
Burke Industries
CodeMettle
Crystal Cleancrystal-clean.comin𝕏

Crystal Clean is a national environmental services provider operating a network of branches across the continental United States, offering waste collection, recycling, and remediation services.

Circular EconomyCleantechClimate Tech

CTS Engines
Defense Venture Group
Doncastersdoncasters.comin

Doncasters is a specialist manufacturer of complex precision cast components and other engineered parts made from advanced alloys, serving OEMs in the aerospace and defence, industrial gas turbine, transportation, and medical markets.

Advanced ManufacturingDefense TechNew Materials

Doss Aviation
Drew Marinedrew-marine.comin𝕏

Drew Marine supplies technical products and services for the maritime industry, including cargo hold and tank cleaning solutions, fuel management, water treatment, maintenance products, and refrigeration.

Logistics & Supply ChainNew Materials

Elgar Electronics
ENTACT
Global Marine Groupglobalmarine.groupin𝕏

Global Marine Group provides consultancy, engineering, installation, and maintenance services across the full lifecycle of subsea fibre optic cable systems, serving the telecommunications, power, and oil & gas markets.

Deep TechEnergyHardware

Simon Hibberd(CEO)

Hawaii Superferry
IMIA
Integrated Global Services
Lake Shore Systemslakeshoresys.com

Lake Shore Systems, Inc. designs and engineers products for maritime customers in both commercial and defense markets.

Advanced ManufacturingDefense TechHardware

Lone Star Disposal
McCormick Selph
Mission Microwave
Narda-MITEQnardamiteq.comin𝕏

Narda-MITEQ designs and manufactures RF and microwave components, including cryogenic low noise amplifiers, for applications such as quantum computing, radio astronomy, deep space and satellite communications, and defense.

HardwareSemiconductorsSpace Tech

National Response Corporation
NorthStar Group
NRC Group
OAO Technology Solutions
PURIS
Racal Acoustics
Racal Instruments Group
Ravn Air Group
Reclamation Technologies
Special Devices
Sperry Marinesperrymarine.comin

Sperry Marine develops navigation and integrated bridge systems for the maritime industry, serving vessel operators and maritime professionals.

HardwareLogistics & Supply ChainMobility & Transportation

Sprint Energy Services
Tamarac
Trident Maritime Systemstridentllc.com

Trident provides advisory, design, engineering, and construction services for the shipbuilding sector.

Advanced ManufacturingConstruction TechHardware

Trillium Engineering
Waste Control Specialistswcstexas.comin𝕏

Waste Control Specialists provides treatment, storage, and disposal services for Class A, B, and C low-level radioactive waste, low activity waste, hazardous waste, and byproduct materials, along with cask and rail transportation services.

CleantechEnergyAndrews County, US

Wellman Dynamicswellmandynamics.comin

Wellman Dynamics manufactures aerospace-grade magnesium and aluminum castings, producing lightweight components built to customer specifications.

Advanced ManufacturingHardwareNew Materials

Wrist

Fund performance · per public LP disclosures · 2

as of Dec 2024
FundVintageCommittedNet IRRTVPIDPI
J.F. Lehman Equity Investors IV, L.P.LPs: Connecticut Retirement Plans and Trust Funds201739.6%2.60x2.50x
J.F. Lehman Equity Investors III, L.P.LPs: Connecticut Retirement Plans and Trust Funds20119.5%1.50x1.10x

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 J.F. Lehman made?
J.F. Lehman has 48 tracked investments.
What stage does J.F. Lehman invest at?
J.F. Lehman invests at the Growth, Late Stage stages.
What is J.F. Lehman's typical check size?
J.F. Lehman typically writes checks of $75M – $750M.
What sectors does J.F. Lehman focus on?
J.F. Lehman focuses on Defense Tech, Mobility & Transportation, Space Tech.
Where is J.F. Lehman located?
J.F. Lehman is headquartered in New York, US.

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