Founded in 1998, Quantum is a leading global energy-focused private capital franchise, stewarding over $35 billion of capital since inception. We focus on the entire energy value chain, including oil & gas, energy infrastructure, thermal power & renewables, decarbonization, and energy technologies.
Stated: Energy, Franchising, Technology, Infrastructure
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Large cap2024 PE fund GAV $28B81 PE funds of 81, latest vintage 20244 investment professionalslast event Aug 21, 2026
Hybrid manager · probable QPE provides capital and expertise to entrepreneur-led businesses within Education, Health & Pharma and Tech Services with ambitions to accelerate their growth.
Stated: minority · Business services, Life sciences, Education, Software and 3 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 03 investment professionalslast event Sep 15, 2026
Raine is an integrated merchant bank powering transformative growth through seasoned advisory expertise, innovative investment strategies, and a robust global network.
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $4.4B50 PE funds of 54, latest vintage 2024115 investment professionalslast event Jul 30, 2026
Hybrid manager · probable ••• Locked
Stated: minority · Building products
Industries: Manufacturing (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event Aug 11, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: Technology
Industries: Consumer products and retail (6 companies) · Software (4 companies) · Media and telecom (4 companies)
Lower middle market2024 PE fund GAV $382,0721 PE fund of 1, latest vintage 20211 investment professionallast event Nov 11, 2020
Hybrid manager · probable ••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $21.0M1 PE fund of 12 investment professionalslast event Aug 18, 2023
••• Locked
Stated: Business services, Healthcare, Technology, Education
Industries: Tech-enabled and IT services (1 company) · Healthcare services (1 company) · Life sciences (1 company)
Middle market2024 PE fund GAV $1.8B20 PE funds of 21, latest vintage 202437 investment professionalslast event Jul 31, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: equity check $2.0M to $10.0M · Technology
Industries: Financial services (1 company) · Software (stated) · Tech-enabled and IT services (stated)
unsized2024 PE fund GAV not reported9 PE funds of 12, latest vintage 20213 investment professionalslast event Jan 13, 2022
R••• V•••••••Columbus, OH · r•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable••• Locked
Stated: Building products
Industries: Manufacturing (stated)
Lower middle market2024 PE fund GAV $99.5M9 PE funds of 9, latest vintage 20249 investment professionalslast event Sep 1, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: revenue $20.0M+ · equity check $5.0M to $100M · Healthcare, Technology
Industries: Life sciences (2 companies) · Consumer products and retail (1 company) · Consumer services (1 company)
Middle market2024 PE fund GAV not reported1 PE fund of 7, latest vintage 202414 investment professionalslast event Sep 15, 2026
R•• A•••••••••New York, NY · r•••••••••.com · SEC registered investment adviser
Buyout firm••• Locked
Stated: revenue $15.0M to $100M · minority · Technology, Software, Media and telecom
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $145M6 PE funds of 6, latest vintage 20244 investment professionalslast event Apr 17, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: Technology, Real estate
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $168M1 PE fund of 13 investment professionalslast event Sep 24, 2020
••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $38.2M5 PE funds of 7, latest vintage 20231 investment professionallast event Mar 23, 2026
••• Locked
Stated: Energy, Infrastructure, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $3.0B6 PE funds of 7, latest vintage 20234 investment professionalslast event Mar 30, 2012
R•••••• I•••••Cape Town · r••••••.com · SEC registered investment adviser
Fund of funds · probable••• Locked
Stated: Building products
Industries: Manufacturing (stated)
Lower middle market2024 PE fund GAV $44.1M2 PE funds of 21 investment professionallast event Sep 1, 2026
••• Locked
Stated: EBITDA $3.0M to $15.0M · Healthcare, Manufacturing, Life sciences, Technology
Industries: Life sciences (1 company) · Media and telecom (1 company) · Software (stated)
Lower middle market2024 PE fund GAV $924M12 PE funds of 13, latest vintage 202115 investment professionalslast event May 11, 2026
••• Locked
Stated: EBITDA $5.0M to $25.0M · revenue $20.0M+ · equity check $20.0M+ · majority or minority · Infrastructure, Technology, Financial services, Media and telecom
Industries: Software (1 company) · Healthcare services (1 company) · Consumer products and retail (1 company)
Middle market2024 PE fund GAV $1.8B10 PE funds of 10, latest vintage 20221 platform21 investment professionalslast event Aug 18, 2026
••• Locked
Stated: EBITDA $2.0M to $7.0M · revenue $10.0M to $75.0M · Technology, Industrials, Healthcare, Aerospace and defense and 3 more
Industries: Industrial services (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV $201M7 PE funds of 7, latest vintage 202214 investment professionalslast event Sep 17, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: Healthcare, Technology, Software, Consumer
Industries: Software (17 companies) · Healthcare services (8 companies) · Consumer products and retail (5 companies)
Lower middle market2024 PE fund GAV $137M3 PE funds of 4, latest vintage 20256 investment professionalslast event Jun 22, 2026
••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $2.1B6 PE funds of 6, latest vintage 2020investment professionals not trackedlast event Jun 17, 2014
Venture firm with private equity activity · probable ••• Locked
Stated: revenue $5.0M to $75.0M · Technology, Energy
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $7.8M3 PE funds of 7, latest vintage 20222 investment professionalslast event Feb 14, 2012
Venture firm with private equity activity · probable ••• Locked
Stated: Technology, Infrastructure, Industrials
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 2, latest vintage 20173 investment professionalslast event Sep 16, 2026
R••• L••Newport Beach, CA · r•••••••••.com · SEC exempt reporting adviser
Growth equity · probable••• Locked
Stated: revenue $25.0M to $100M · equity check $5.0M to $15.0M · control · Consumer, Technology, Life sciences, Energy
Industries: Consumer services (2 companies) · Manufacturing (1 company) · Consumer products and retail (1 company)
Lower middle market2024 PE fund GAV not reported1 PE fund of 1, latest vintage 20181 investment professionallast event Sep 1, 2026
••• Locked
Stated: revenue $5.0M to $100M · equity check $20.0M to $100M · minority · Technology, Software
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.7B11 PE funds of 11, latest vintage 20219 investment professionalslast event May 21, 2026
••• Locked
Stated: EBITDA $5.0M to $40.0M · equity check $10.0M to $150M · Technology, Aerospace and defense
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.4B15 PE funds of 15, latest vintage 202411 investment professionalslast event Mar 31, 2026
S••••• C••••••Location unknown · s•••••••.com · SEC registered investment adviser
Venture firm with private equity activity · probable••• Locked
Stated: equity check $25.0M to $200M · Healthcare, Technology
Industries: Life sciences (1 company) · Software (stated) · Tech-enabled and IT services (stated)
unsized2024 PE fund GAV not reported2 PE funds of 27 investment professionalslast event Feb 15, 2012
Secondaries manager · probable ••• Locked
Stated: Building products
Industries: Manufacturing (stated)
Lower middle market2024 PE fund GAV $416M8 PE funds of 10, latest vintage 20242 investment professionalslast event Mar 31, 2026
••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $32.2M3 PE funds of 3, latest vintage 20243 investment professionalslast event Feb 2, 2026
••• Locked
Stated: Safety and security, Healthcare, Consumer, Technology and 1 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $558M23 PE funds of 23, latest vintage 2025investment professionals not trackedlast event Mar 26, 2026
••• Locked
Stated: equity check $5.0M to $100M · Technology, Business services, Healthcare, Software and 3 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $35.9M1 PE fund of 121 investment professionalslast event Apr 2, 2024
••• Locked
Stated: Infrastructure, Transportation and logistics, Real estate, Technology
Industries: Transportation and logistics (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV not reported11 PE funds of 12, latest vintage 20113 investment professionalslast event Sep 1, 2026
Hybrid manager · probable ••• Locked
Stated: Technology, Financial services
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event Nov 18, 2025
••• Locked
Stated: Infrastructure, Environmental services, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $846M31 PE funds of 31, latest vintage 20245 investment professionalslast event Jun 22, 2026
Infrastructure · probable ••• Locked
Stated: control or minority · Infrastructure, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Upper middle market2024 PE fund GAV $9.7B13 PE funds of 13, latest vintage 202432 investment professionalslast event May 1, 2026
Hybrid manager · probable ••• Locked
Stated: Energy, Industrials, Healthcare, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 04 investment professionalslast event Sep 17, 2026
••• Locked
Stated: revenue $20.0M+ · Energy, Technology, Media and telecom
Industries: Consumer products and retail (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV $438M23 PE funds of 24, latest vintage 20244 investment professionalslast event Mar 30, 2026
••• Locked
Stated: Environmental services, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported1 PE fund of 1, latest vintage 20196 investment professionalslast event Sep 1, 2026
••• Locked
Stated: Environmental services, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $556M10 PE funds of 10, latest vintage 20257 investment professionalslast event Aug 10, 2026
••• Locked
Stated: Technology, Energy
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $2.4B13 PE funds of 13, latest vintage 202623 investment professionalslast event May 20, 2026
••• Locked
Stated: Technology, Software
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $3.9B13 PE funds of 13, latest vintage 202312 investment professionalslast event Mar 31, 2026
••• Locked
Stated: EBITDA $3.0M to $20.0M · revenue $10.0M to $100M · Industrials, Life sciences, Technology, Energy
Industries: Healthcare services (2 companies) · Life sciences (2 companies) · Software (1 company)
Lower middle market2024 PE fund GAV $612M17 PE funds of 17, latest vintage 20227 platforms6 investment professionalslast event Sep 16, 2026
••• Locked
Stated: Healthcare, Life sciences, Technology, Industrials
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $453M1 PE fund of 11 investment professionallast event Jul 23, 2021
••• Locked
Stated: EBITDA $2.0M to $7.0M · EV $10.0M to $50.0M · control or minority · Business services, Software, Technology, Manufacturing and 1 more
Industries: Consumer products and retail (1 company) · Consumer services (1 company) · Software (stated)
unsized2024 PE fund GAV not reported1 PE fund of 14 investment professionalslast event Sep 1, 2026
S••••••••• L••Location unknown · s•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable••• Locked
Stated: Life sciences, Technology, Food and beverage, Safety and security
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $122M1 PE fund of 11 investment professionallast event Sep 1, 2026
Hybrid manager · probable ••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 1investment professionals not trackedlast event Oct 17, 2025
••• Locked
Stated: Technology, Energy, Healthcare, Education
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $2.4B13 PE funds of 17, latest vintage 201820 investment professionalslast event Aug 31, 2026
S••••••• L•New York, NY · s•••••••••.com · SEC registered investment adviser
Buyout firm••• Locked
Stated: majority · Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.8B12 PE funds of 13, latest vintage 20256 investment professionalslast event Jun 12, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: Life sciences, Technology, Industrials, Food and beverage and 5 more
Industries: Healthcare services (1 company) · Life sciences (1 company) · Software (stated)
Lower middle market2024 PE fund GAV $623M2 PE funds of 3, latest vintage 202442 investment professionalslast event Sep 1, 2026
••• Locked
Stated: Industrial services, Industrials, Manufacturing, Healthcare and 6 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported1 PE fund of 1, latest vintage 20147 investment professionalslast event Sep 17, 2026
Hybrid manager · probable ••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported0 PE funds of 01 investment professionallast event Aug 15, 2025