Hybrid manager · probable Palo Alto Investors LP (PAI) is a physician-led investment firm conducting deep, fundamental research since 1989. We apply our expertise, original insight and exhaustive research to identify long-term investments for high net worth and institutional investors.
Stated: Healthcare
Industries: Healthcare services (stated) · Life sciences (stated)
unsized2024 PE fund GAV not reported0 PE funds of 1, latest vintage 2015investment professionals not trackedlast event Mar 30, 2012
PantheonSan Francisco, CA · pantheon.com · SEC registered investment adviser
Buyout firmFINDING VALUE IN UNTAPPED OPPORTUNITY
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
Venture firm with private equity activity · probable ParaFi is an alternative asset management and technology firm focused on blockchain and digital assets, managing $1.6B in assets as of June 30, 2026.
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: Financial services
Industries: Financial services (stated)
Lower middle market2024 PE fund GAV $111M2 PE funds of 2, latest vintage 202010 investment professionalslast event Oct 19, 2016
••• Locked
Stated: Financial services, Real estate
Industries: Financial services (stated) · Real estate (stated)
Lower middle market2024 PE fund GAV $144M8 PE funds of 8, latest vintage 20172 investment professionalslast event Sep 1, 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
P••••••••• L••Chicago, IL · p•••••••••.com · SEC registered investment adviser
Buyout firm••• Locked
Stated: equity check up to $10.0M · majority · Software, Environmental services
Industries: Software (stated) · Industrial services (stated)
Lower middle market2024 PE fund GAV $719M3 PE funds of 3, latest vintage 202213 investment professionalslast event Jun 27, 2016
••• Locked
Stated: Healthcare
Industries: Healthcare services (stated) · Life sciences (stated)
Lower middle market2024 PE fund GAV $6.0M1 PE fund of 1, latest vintage 20229 investment professionalslast event Mar 27, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: revenue $5.0M to $150M · Financial services, Technology
Industries: Software (4 companies) · Tech-enabled and IT services (2 companies) · Hardware and deep tech (2 companies)
unsized2024 PE fund GAV not reported0 PE funds of 15 investment professionalslast event Mar 30, 2012
••• 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
Hybrid manager · probable ••• Locked
Stated: Financial services
Industries: Financial services (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event Jun 27, 2025
P•• G• I•••Westmount, Quebec · p•••••••••.com · SEC exempt reporting adviser
Buyout firm••• Locked
Stated: EBITDA $1.0M+ · Healthcare, Business services
Industries: Healthcare services (stated) · Life sciences (stated) · Business services (stated)
Lower middle market2024 PE fund GAV $763M10 PE funds of 10, latest vintage 20244 investment professionalslast event Mar 31, 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
Hybrid manager · probable ••• Locked
Stated: minority · Financial services
Industries: Financial services (stated)
unsized2024 PE fund GAV not reported0 PE funds of 1, latest vintage 2019investment professionals not trackedlast event Mar 14, 2023
••• 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
••• 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
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
Private credit manager · probable ••• Locked
Stated: Healthcare, Life sciences
Industries: Healthcare services (stated) · Life sciences (stated)
Middle market2024 PE fund GAV $1.9B9 PE funds of 9, latest vintage 20204 investment professionalslast event Feb 15, 2012
••• Locked
Stated: Energy, Financial services, Industrials, Infrastructure
Industries: Financial services (stated) · Industrial services (stated) · Manufacturing (stated)
Lower middle market2024 PE fund GAV $907M11 PE funds of 20, latest vintage 202514 investment professionalslast event May 26, 2026
••• Locked
Stated: EBITDA $2.0M to $7.0M · revenue $10.0M to $50.0M · majority or minority · Environmental services, Healthcare, Consumer
Industries: Business services (5 companies) · Healthcare services (4 companies) · Life sciences (4 companies)
unsized2024 PE fund GAV not reported3 PE funds of 3, latest vintage 201430 platforms5 investment professionalslast event Sep 17, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: Healthcare, Life sciences, Food and beverage, Financial services and 1 more
Industries: Life sciences (1 company) · Healthcare services (stated) · Financial services (stated)
unsized2024 PE fund GAV not reported1 PE fund of 16 investment professionalslast event Apr 3, 2012
••• Locked
Stated: EBITDA $2.0M to $20.0M · revenue $10.0M+ · equity check $2.0M to $50.0M · minority · Business services, Industrials, Healthcare, Technology
Industries: Consumer products and retail (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV $21.3M27 PE funds of 27, latest vintage 2024investment professionals not trackedlast event Mar 25, 2026
••• Locked
Stated: Healthcare, Consumer, Life sciences
Industries: Healthcare services (stated) · Life sciences (stated) · Consumer products and retail (stated)
Middle market2024 PE fund GAV $1.1B4 PE funds of 4, latest vintage 202516 investment professionalslast event Jul 10, 2026
Venture firm with private equity activity · probable ••• Locked
Stated: EV $2.0M to $100M · Business services, Industrials, Technology, Consumer and 2 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $51.2M2 PE funds of 2investment professionals not trackedlast event Jul 31, 2024
Hybrid manager · probable ••• Locked
Stated: Financial services
Industries: Financial services (stated)
Lower middle market2024 PE fund GAV $110M1 PE fund of 3, latest vintage 202118 investment professionalslast event Mar 30, 2022
Stated: Industrials, Manufacturing, Building products, Media and telecom and 1 more
Industries: Software (stated) · Industrial services (stated) · Manufacturing (stated)
Lower middle market2024 PE fund GAV $921M13 PE funds of 13, latest vintage 20232 investment professionalslast event Jun 22, 2026
••• Locked
Stated: revenue $10.0M to $150M · Technology, Software
Industries: Software (1 company) · Tech-enabled and IT services (1 company) · Hardware and deep tech (1 company)
Lower middle market2024 PE fund GAV $655M12 PE funds of 13, latest vintage 20243 platforms2 investment professionalslast event Sep 16, 2026
••• Locked
Stated: EBITDA $5.0M to $50.0M · EV $50.0M to $500M · equity check $50.0M to $200M · Financial services
Industries: Financial services (stated)
Middle market2024 PE fund GAV $1.5B2 PE funds of 3, latest vintage 202024 investment professionalslast event Mar 6, 2014
••• Locked
Stated: control · Manufacturing, Healthcare
Industries: Healthcare services (stated) · Life sciences (stated) · Manufacturing (stated)
Lower middle market2024 PE fund GAV $86.4M7 PE funds of 9, latest vintage 20163 investment professionalslast event Sep 1, 2026
••• Locked
Stated: Financial services, Real estate
Industries: Financial services (stated) · Real estate (stated)
Lower middle market2024 PE fund GAV $1.0B36 PE funds of 48, latest vintage 20255 investment professionalslast event Mar 31, 2026
••• Locked
Stated: Financial services
Industries: Financial services (stated)
Lower middle market2024 PE fund GAV $50.0M1 PE fund of 1, latest vintage 20242 investment professionalslast event Aug 15, 2012
••• Locked
Stated: control or minority · Business services, Technology, Distribution, Software and 1 more
Industries: Industrial services (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Middle market2024 PE fund GAV $1.4B10 PE funds of 10, latest vintage 202310 investment professionalslast event Jul 27, 2026
P•••••• C••••••Aliso Viejo, CA · p•••••••••.com · SEC registered investment adviser
Private credit manager · probable••• Locked
Stated: Financial services
Industries: Financial services (stated)
Middle market2024 PE fund GAV $1.1B2 PE funds of 2, latest vintage 20245 investment professionalslast event Jun 1, 2026
Hybrid manager · probable ••• Locked
Stated: Healthcare, Technology, Life sciences, Industrials
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 Jul 16, 2026
Stated: control · Business services, Industrials, Healthcare, Consumer
Industries: Healthcare services (stated) · Life sciences (stated) · Business services (stated)
Lower middle market2024 PE fund GAV $625M2 PE funds of 2, latest vintage 20225 investment professionalslast event Nov 20, 2023
P••••• A•••••••Dallas, TX · p•••••••••.com · SEC registered investment adviser
Buyout firm · probable••• Locked
Stated: Financial services, Real estate
Industries: Financial services (stated) · Real estate (stated)
unsized2024 PE fund GAV not reported1 PE fund of 1, latest vintage 20161 investment professionallast event Jan 30, 2015
••• Locked
Stated: EBITDA $5.0M to $25.0M · revenue $50.0M to $300M · equity check $25.0M to $100M · control · Consumer, Food and beverage, Healthcare
Industries: Consumer products and retail (1 company) · Consumer services (1 company) · Healthcare services (stated)
Lower middle market2024 PE fund GAV $311M13 PE funds of 13, latest vintage 20194 investment professionalslast event Mar 31, 2015
P••••••• C••••••Newport Beach, CA · p•••••••••.com · SEC registered investment adviser
Buyout firm · probable••• Locked
Stated: Building products, Financial services
Industries: Financial services (stated) · Manufacturing (stated)
unsized2024 PE fund GAV not reported0 PE funds of 011 investment professionalslast event Sep 1, 2026
••• Locked
Stated: Healthcare, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $30.2M3 PE funds of 4, latest vintage 2021investment professionals not trackedlast event Jan 24, 2013
••• Locked
Stated: Healthcare, Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $81.2M1 PE fund of 18 investment professionalslast event May 1, 2018
Hybrid manager · probable ••• Locked
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
••• Locked
Stated: Financial services, Business services, Healthcare, Industrial services and 3 more
Industries: Business services (13 companies) · Manufacturing (12 companies) · Healthcare services (11 companies)
Middle market2024 PE fund GAV $2.7B47 PE funds of 49, latest vintage 202446 investment professionalslast event May 28, 2026
R••••• C••••••San Francisco, CA · r•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable••• Locked
Stated: Financial services
Industries: Financial services (stated)
Lower middle market2024 PE fund GAV $10.4M1 PE fund of 1, latest vintage 20211 investment professionallast event Sep 1, 2026
••• Locked
Stated: equity check $1.0M to $20.0M · Software
Industries: Software (stated)
Lower middle market2024 PE fund GAV $261M13 PE funds of 13, latest vintage 20258 investment professionalslast event Aug 26, 2026
••• Locked
Stated: equity check $3.0M to $10.0M · Financial services
Industries: Transportation and logistics (1 company) · Financial services (stated)
Lower middle market2024 PE fund GAV $7.2M8 PE funds of 8, latest vintage 20234 platforms5 investment professionalslast event Sep 1, 2026
••• Locked
Stated: Financial services
Industries: Financial services (stated)
unsized2024 PE fund GAV not reported1 PE fund of 1investment professionals not trackedlast event Feb 12, 2021
••• Locked
Stated: EBITDA $2.0M to $10.0M · revenue $20.0M to $100M · equity check $30.0M to $70.0M · control · Healthcare
Industries: Healthcare services (stated) · Life sciences (stated)
Middle market2024 PE fund GAV $1.5B8 PE funds of 10, latest vintage 20217 investment professionalslast event Jul 7, 2026
••• 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
Stated: Financial services
Industries: Financial services (stated)
Lower middle market2024 PE fund GAV not reported2 PE funds of 2, latest vintage 20204 investment professionalslast event Sep 1, 2026