We launched OceanSound in 2019 to focus on what we do best: partnering with founders, entrepreneurs, and executives of middle-market technology businesses and helping them realize their growth objectives and unlock their potential through a hands-on approach.
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Upper middle market 2024 PE fund GAV $6.9B 27 PE funds of 28, latest vintage 2024 31 investment professionals last event Mar 31, 2026
Middle market 2024 PE fund GAV $3.6B 64 PE funds of 64, latest vintage 2025 investment professionals not tracked last event Mar 30, 2026
Octagon Capital invests in public and private healthcare companies globally.
Stated: Healthcare
Industries: Healthcare services (stated) · Life sciences (stated)
Lower middle market 2024 PE fund GAV $200M 3 PE funds of 7, latest vintage 2026 1 investment professional last event Mar 20, 2026
••• Locked
Lower middle market 2024 PE fund GAV $279M 10 PE funds of 10, latest vintage 2025 investment professionals not tracked last event Mar 30, 2026
Lower middle market 2024 PE fund GAV not reported 1 PE fund of 1 investment professionals not tracked last event Sep 1, 2026
••• Locked
Stated: EBITDA $10.0M to $150M · revenue $100M to $750M · Technology
Industries: Manufacturing (4 companies) · Industrial services (3 companies) · Business services (1 company)
Upper middle market 2024 PE fund GAV $16B 40 PE funds of 53, latest vintage 2024 11 investment professionals last event Sep 4, 2026
••• Locked
Stated: equity check $20.0M to $50.0M · control
Lower middle market 2024 PE fund GAV $376M 24 PE funds of 25, latest vintage 2023 2 investment professionals last event Jul 24, 2026
Lower middle market 2024 PE fund GAV $145M 13 PE funds of 13, latest vintage 2018 1 investment professional last event Sep 1, 2026
•• O•••• L• Houston, TX · o•••••••••.com · SEC registered investment adviser
Buyout firm ••• Locked
Lower middle market 2024 PE fund GAV $387M 2 PE funds of 3, latest vintage 2024 1 investment professional last event Apr 13, 2017
••• Locked
Stated: Energy, Technology, Chemicals and materials, Industrials
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market 2024 PE fund GAV $139M 4 PE funds of 5, latest vintage 2023 13 investment professionals last event Sep 17, 2026
unsized 2024 PE fund GAV not reported 1 PE fund of 1 investment professionals not tracked last event Dec 14, 2011
•• O•• New York, NY · o••.com · SEC registered investment adviser
Buyout firm ••• Locked
Stated: Infrastructure, Environmental services
Industries: Software (1 company) · Tech-enabled and IT services (1 company) · Hardware and deep tech (1 company)
Middle market 2024 PE fund GAV $3.2B 46 PE funds of 55, latest vintage 2025 18 investment professionals last event May 12, 2026
Lower middle market 2024 PE fund GAV $366M 2 PE funds of 2, latest vintage 2024 investment professionals not tracked last event Mar 31, 2026
••• Locked
Stated: Energy, Transportation and logistics, Environmental services
Industries: Industrial services (stated) · Transportation and logistics (stated) · Energy, utilities and infrastructure (stated)
Middle market 2024 PE fund GAV $1.2B 9 PE funds of 11, latest vintage 2024 6 investment professionals last event Apr 14, 2026
••• Locked
Stated: majority · Technology, Consumer, Infrastructure, Financial services
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market 2024 PE fund GAV $285M 2 PE funds of 2, latest vintage 2023 7 investment professionals last 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 market 2024 PE fund GAV $1.2B 42 PE funds of 42, latest vintage 2022 4 investment professionals last event Apr 30, 2026
Lower middle market 2024 PE fund GAV $777M 3 PE funds of 4, latest vintage 2021 1 investment professional last event Jul 13, 2026
unsized 2024 PE fund GAV not reported 1 PE fund of 1 1 investment professional last event Sep 1, 2026
•• O•••• C•••••• Tulsa, OK · o•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable Stated: revenue $10.0M+
Lower middle market 2024 PE fund GAV $100,000 2 PE funds of 3, latest vintage 2024 investment professionals not tracked last event Mar 31, 2026
••• Locked
Industries: Life sciences (55 companies) · Software (2 companies) · Manufacturing (2 companies)
Lower middle market 2024 PE fund GAV $113M 6 PE funds of 9, latest vintage 2023 investment professionals not tracked last event Aug 24, 2026
••• Locked
Middle market 2024 PE fund GAV $2.0B 14 PE funds of 14, latest vintage 2024 40 investment professionals last event Jul 6, 2026
••• Locked
Stated: Manufacturing, Healthcare, Technology, Energy
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market 2024 PE fund GAV $56.1M 4 PE funds of 4, latest vintage 2022 2 investment professionals last event Mar 31, 2026
••• Locked
Stated: EBITDA $5.0M+ · EV $50.0M to $500M · equity check $20.0M to $250M · minority · Industrials, Consumer
Industries: Industrial services (stated) · Manufacturing (stated) · Consumer products and retail (stated)
Middle market 2024 PE fund GAV $3.7B 20 PE funds of 20, latest vintage 2025 2 investment professionals last event May 15, 2026
Lower middle market 2024 PE fund GAV $526M 1 PE fund of 1, latest vintage 2024 2 investment professionals last event Sep 16, 2024
•• O•• F••••• L•• Colorado Springs, CO · o•••••••.com · SEC exempt reporting adviser
Buyout firm · probable Lower middle market 2024 PE fund GAV $13.1M 1 PE fund of 2 1 investment professional last event Apr 10, 2026
••• Locked
Stated: control or minority · Food and beverage
Industries: Consumer products and retail (stated)
Lower middle market 2024 PE fund GAV $187M 5 PE funds of 6, latest vintage 2023 14 investment professionals last event May 12, 2022
••• Locked
Large cap 2024 PE fund GAV $26B 5 PE funds of 5, latest vintage 2024 9 investment professionals last event Jun 25, 2026
Lower middle market 2024 PE fund GAV $290M 4 PE funds of 4, latest vintage 2017 1 investment professional last event Apr 2, 2012
••• Locked
Lower middle market 2024 PE fund GAV $452M 10 PE funds of 10, latest vintage 2023 1 investment professional last event Sep 1, 2026
•• O••••••• C•••••• Palo Alto, CA · o•••••••••.com · SEC registered investment adviser
Buyout firm ••• Locked
Lower middle market 2024 PE fund GAV $734M 23 PE funds of 24, latest vintage 2023 6 investment professionals last event Mar 6, 2019
••• Locked
Lower middle market 2024 PE fund GAV $300M 11 PE funds of 11, latest vintage 2022 1 investment professional last event Apr 14, 2017
Lower middle market 2024 PE fund GAV $89.5M 2 PE funds of 2, latest vintage 2022 1 investment professional last event Aug 16, 2022
Lower middle market 2024 PE fund GAV $5.0M 1 PE fund of 1 1 investment professional last event Sep 1, 2026
unsized 2024 PE fund GAV not reported 1 PE fund of 1 1 investment professional last event Sep 1, 2026
••• Locked
Stated: Building products, Real estate
Industries: Manufacturing (stated) · Real estate (stated)
Lower middle market 2024 PE fund GAV $25.4M 4 PE funds of 4, latest vintage 2024 investment professionals not tracked last event Jul 20, 2021
•• O••••••• L•• London · o•••••••.com · SEC exempt reporting adviser
Buyout firm Lower middle market 2024 PE fund GAV $332M 6 PE funds of 7, latest vintage 2019 2 investment professionals last event Sep 1, 2026
••• Locked
Stated: Technology
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market 2024 PE fund GAV $104M 6 PE funds of 11, latest vintage 2025 investment professionals not tracked last event Mar 30, 2026
••• Locked
Stated: revenue up to $1.0B · EV up to $500M
Industries: Industrial services (2 companies) · Manufacturing (2 companies)
Lower middle market 2024 PE fund GAV $387M 11 PE funds of 11, latest vintage 2021 investment professionals not tracked last event Mar 31, 2026
•• O•••• Zurich · o•••••••••.ch · SEC exempt reporting adviser
Buyout firm Lower middle market 2024 PE fund GAV $219M 4 PE funds of 4, latest vintage 2024 investment professionals not tracked last event Mar 31, 2022
Lower middle market 2024 PE fund GAV $185M 27 PE funds of 32, latest vintage 2026 3 investment professionals last event Jul 1, 2026
••• Locked
Stated: Financial services
Industries: Financial services (stated)
Lower middle market 2024 PE fund GAV $14.5M 2 PE funds of 2, latest vintage 2025 investment professionals not tracked last event Mar 17, 1988
••• Locked
Lower middle market 2024 PE fund GAV $39.6M 2 PE funds of 2 7 investment professionals last event Sep 1, 2026
unsized 2024 PE fund GAV not reported 0 PE funds of 1, latest vintage 2014 investment professionals not tracked last event Sep 1, 2026
••• Locked
Lower middle market 2024 PE fund GAV $68.2M 9 PE funds of 24, latest vintage 2024 investment professionals not tracked last event Mar 23, 2026
Lower middle market 2024 PE fund GAV $16.3M 1 PE fund of 1, latest vintage 2017 1 investment professional last event Mar 30, 2018
Middle market 2024 PE fund GAV $1.1B 24 PE funds of 24, latest vintage 2024 2 investment professionals last event Mar 30, 2026
••• Locked
unsized 2024 PE fund GAV $0 1 PE fund of 3, latest vintage 2021 investment professionals not tracked last event Jul 29, 2015
•• O••••• A••• Central · o•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable Middle market 2024 PE fund GAV not reported 1 PE fund of 1 investment professionals not tracked last event Sep 1, 2026
Middle market 2024 PE fund GAV $1.7B 7 PE funds of 7, latest vintage 2021 investment professionals not tracked last event Mar 30, 2026
Lower middle market 2024 PE fund GAV not reported 1 PE fund of 1, latest vintage 2017 investment professionals not tracked last event Sep 1, 2026