Old Ironsides is an energy-focused private equity firm that seeks to join attractive oil and gas assets with established upstream and midstream management teams.
Stated: Energy, Transportation and logistics, Environmental services
Industries: Industrial services (stated) · Transportation and logistics (stated) · Energy, utilities and infrastructure (stated)
Middle market2024 PE fund GAV $1.2B9 PE funds of 11, latest vintage 20246 investment professionalslast event Apr 14, 2026
Olive Rock Partners (Olive Rock) is the first independent Private Equity firm established in the Abu Dhabi Global Market.
Stated: majority · Technology, Consumer, Infrastructure, Financial services
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $285M2 PE funds of 2, latest vintage 20237 investment professionalslast event Sep 17, 2026
Stated: revenue $100M to $2.0B · Business services, Healthcare, Financial services, Energy and 1 more
Industries: Healthcare services (stated) · Life sciences (stated) · Financial services (stated)
Lower middle market2024 PE fund GAV $1.2B42 PE funds of 42, latest vintage 20224 investment professionalslast event Apr 30, 2026
••• Locked
Stated: Manufacturing, Healthcare, Technology, Energy
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $56.1M4 PE funds of 4, latest vintage 20222 investment professionalslast event Mar 31, 2026
••• Locked
Stated: Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $9.2M4 PE funds of 4, latest vintage 2024investment professionals not trackedlast event Sep 1, 2026
••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $104M6 PE funds of 11, latest vintage 2025investment professionals not trackedlast event Mar 30, 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 reported1 PE fund of 14 investment professionalslast event Feb 25, 2019
Venture firm with private equity activity · probable ••• Locked
Stated: Technology, Financial services, Infrastructure, Real estate
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $215M20 PE funds of 25, latest vintage 20261 investment professionallast event Jul 31, 2026
Private credit manager · probable ••• Locked
Stated: Healthcare, Technology
Industries: Life sciences (176 companies) · Healthcare services (25 companies) · Industrial services (1 company)
Middle market2024 PE fund GAV $4.3B5 PE funds of 19, latest vintage 20251 investment professionallast event Aug 18, 2026
Hybrid manager · probable ••• Locked
Stated: EBITDA $10.0M to $75.0M · equity check $75.0M to $250M · control · Business services, Industrial services, Industrials, Infrastructure and 2 more
Industries: Energy, utilities and infrastructure (1 company) · Business services (stated) · Industrial services (stated)
Middle market2024 PE fund GAV $1.7B1 PE fund of 1, latest vintage 20161 investment professionallast event Mar 31, 2026
••• Locked
Stated: equity check $30.0M to $100M · Consumer, Media and telecom, Technology
Industries: Software (1 company) · Tech-enabled and IT services (1 company) · Hardware and deep tech (1 company)
Middle market2024 PE fund GAV $1.4B19 PE funds of 19, latest vintage 2023investment professionals not trackedlast event Apr 25, 2014
••• Locked
Stated: Technology, Software
Industries: Software (8 companies) · Financial services (3 companies) · Tech-enabled and IT services (1 company)
unsized2024 PE fund GAV not reported0 PE funds of 05 platforms6 investment professionalslast event May 12, 2025
••• Locked
Stated: control · Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $240M4 PE funds of 4, latest vintage 2023investment professionals not trackedlast event Sep 20, 2022
Infrastructure · probable ••• Locked
Stated: Infrastructure, Energy, Transportation and logistics, Environmental services
Industries: Industrial services (stated) · Transportation and logistics (stated) · Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event May 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 $04 PE funds of 4, latest vintage 20217 investment professionalslast event Mar 30, 2012
••• Locked
Stated: EBITDA $3.0M to $25.0M · majority · Industrials, Manufacturing, Infrastructure
Industries: Industrial services (stated) · Manufacturing (stated) · Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $419M11 PE funds of 13, latest vintage 2024investment professionals not trackedlast event Jul 30, 2019
••• Locked
Stated: Technology, Financial services, Infrastructure, Aerospace and defense
Industries: Software (11 companies) · Manufacturing (4 companies) · Tech-enabled and IT services (3 companies)
Lower middle market2024 PE fund GAV $10.7M1 PE fund of 1, latest vintage 20241 investment professionallast event Feb 4, 2026
P••Grand Cayman · p••.com · SEC exempt reporting adviser
Buyout firm · probable••• Locked
Stated: control or majority or minority · Energy, Infrastructure, Real estate, Healthcare and 10 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Upper middle market2024 PE fund GAV $22B32 PE funds of 35, latest vintage 20253 investment professionalslast event Mar 31, 2026
P•• P•••••••Paris · p•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable••• Locked
Stated: control or majority · Business services, Industrials, Healthcare, Consumer and 7 more
Industries: Consumer services (2 companies) · Financial services (1 company) · Industrial services (1 company)
Upper middle market2024 PE fund GAV $15B37 PE funds of 37, latest vintage 20245 investment professionalslast event Sep 13, 2026
••• Locked
Stated: Safety and security, Technology, Life sciences, Energy and 1 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.3B34 PE funds of 34, latest vintage 202424 investment professionalslast event Mar 31, 2025
••• Locked
Stated: majority · Technology, Environmental services
Industries: Financial services (1 company) · Transportation and logistics (1 company) · Consumer products and retail (1 company)
Lower middle market2024 PE fund GAV $260M12 PE funds of 12, latest vintage 20227 platforms13 investment professionalslast event Jul 21, 2025
••• Locked
Stated: revenue $5.0M to $25.0M · equity check $5.0M to $25.0M · majority or minority · Technology, Software
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $66.4M2 PE funds of 2, latest vintage 2024investment professionals not trackedlast event Mar 30, 2026
Infrastructure · probable ••• Locked
Stated: Infrastructure, Technology, Media and telecom
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $3.5B9 PE funds of 9, latest vintage 2024investment professionals not trackedlast event Mar 26, 2026
Hybrid manager · probable ••• Locked
Stated: Energy
Industries: Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event Jan 21, 2026
••• Locked
Stated: Life sciences, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $150M1 PE fund of 115 investment professionalslast event Mar 29, 2019
P•••••••San Francisco, CA · p•••••••.com · SEC registered investment adviser
Buyout firm••• Locked
Stated: Financial services, Infrastructure
Industries: Financial services (stated) · Energy, utilities and infrastructure (stated)
Large cap2024 PE fund GAV $32B72 PE funds of 130, latest vintage 20253 investment professionalslast event Jul 14, 2026
••• Locked
Stated: Technology
Industries: Software (5 companies) · Financial services (4 companies) · Manufacturing (1 company)
Upper middle market2024 PE fund GAV $7.9B7 PE funds of 7, latest vintage 20213 investment professionalslast event Jun 5, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: Technology, Financial services, Infrastructure, Building products
Industries: Financial services (3 companies) · Tech-enabled and IT services (2 companies) · Software (1 company)
Lower middle market2024 PE fund GAV $7.6M3 PE funds of 5, latest vintage 2024investment professionals not trackedlast event Mar 31, 2026
••• Locked
Stated: Healthcare, Life sciences, Technology, Software and 1 more
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 May 11, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: revenue $5.0M to $150M · Financial services, Technology
Industries: Software (5 companies) · Tech-enabled and IT services (3 companies) · Hardware and deep tech (3 companies)
unsized2024 PE fund GAV not reported0 PE funds of 15 investment professionalslast event Mar 30, 2012
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $532M20 PE funds of 20, latest vintage 20251 investment professionallast event Apr 30, 2026
••• Locked
Stated: Healthcare, Food and beverage, Energy, Transportation and logistics and 6 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Upper middle market2024 PE fund GAV $13B91 PE funds of 92, latest vintage 20243 investment professionalslast event Mar 24, 2026
••• Locked
Stated: Technology, Financial services, Franchising
Industries: Financial services (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Middle market2024 PE fund GAV $1.1B7 PE funds of 8, latest vintage 20223 investment professionalslast event Feb 14, 2012
Infrastructure · probable ••• Locked
Stated: Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $965M3 PE funds of 3, latest vintage 20231 investment professionallast event Aug 12, 2026
Private credit manager · probable ••• Locked
Stated: revenue $50.0M to $1.5B · Infrastructure, Software
Industries: Industrial services (1 company) · Software (stated) · Energy, utilities and infrastructure (stated)
Upper middle market2024 PE fund GAV $7.5B29 PE funds of 34, latest vintage 202421 investment professionalslast event Aug 5, 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)
unsized2024 PE fund GAV not reported0 PE funds of 11 investment professionallast event Sep 1, 2026
P••••••• C••••••Location unknown · p•••••••.capital · SEC registered investment adviser
Fund of funds · probable••• Locked
Stated: Technology, Consumer
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $569M10 PE funds of 10, latest vintage 20224 investment professionalslast event Jun 1, 2026
Private credit manager · probable ••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $97.9M2 PE funds of 12, latest vintage 202417 investment professionalslast event Mar 25, 2026
••• Locked
Stated: Energy, Environmental services, Food and beverage, Infrastructure
Industries: Industrial services (stated) · Energy, utilities and infrastructure (stated) · Consumer products and retail (stated)
Lower middle market2024 PE fund GAV $293M36 PE funds of 39, latest vintage 20228 investment professionalslast event Jul 10, 2026
••• Locked
Stated: Infrastructure, Technology, Environmental services
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $58.8M1 PE fund of 1, latest vintage 202310 investment professionalslast event Sep 23, 2024
Infrastructure · probable ••• Locked
Stated: Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $779M6 PE funds of 12, latest vintage 20259 investment professionalslast event Mar 30, 2026
Hybrid manager · probable ••• Locked
Stated: Infrastructure, Energy, Environmental services
Industries: Industrial services (stated) · Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV not reported0 PE funds of 03 investment professionalslast event Aug 22, 2025
••• Locked
Stated: Healthcare, Life sciences, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $454M16 PE funds of 24, latest vintage 20241 investment professionallast event Jul 13, 2026
Hybrid manager · probable ••• Locked
Stated: Aerospace and defense, Infrastructure, Real estate
Industries: Aerospace, defense and government (stated) · Energy, utilities and infrastructure (stated) · Real estate (stated)
Lower middle market2024 PE fund GAV $322M27 PE funds of 35, latest vintage 201878 investment professionalslast event Mar 31, 2026
••• Locked
Stated: revenue $5.0M to $75.0M · majority or minority · Technology
Industries: Business services (2 companies) · Manufacturing (2 companies) · Consumer services (1 company)
Lower middle market2024 PE fund GAV $509M3 PE funds of 3, latest vintage 20196 investment professionalslast event Jun 29, 2020
••• Locked
Stated: Healthcare, Technology, Consumer
Industries: Software (2 companies) · Tech-enabled and IT services (1 company) · Hardware and deep tech (1 company)
unsized2024 PE fund GAV not reported11 PE funds of 14, latest vintage 2017investment professionals not trackedlast event Sep 1, 2026
P•••••••• L••Dallas, TX · p•••••••.com · SEC registered investment adviser
Buyout firm · probable••• Locked
Stated: equity check $25.0M to $75.0M · Energy
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $691M4 PE funds of 9, latest vintage 202511 investment professionalslast event Mar 30, 2026
Hybrid manager · probable ••• Locked
Stated: Healthcare, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $154M4 PE funds of 4, latest vintage 20232 investment professionalslast event Mar 31, 2026
••• Locked
Stated: Energy, Infrastructure
Industries: Energy, utilities and infrastructure (stated)
Lower middle market2024 PE fund GAV $332M3 PE funds of 3, latest vintage 20166 investment professionalslast event Jul 30, 2019
Venture firm with private equity activity · probable Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.5B6 PE funds of 6, latest vintage 2021investment professionals not trackedlast event Apr 30, 2026