Firms

Private equity firms on the graph

By default this list shows organizations classified as private equity. Organizations that were admitted from a public record but have not been classified yet are candidates; turn them on to see them. Organizations classified as not private equity are never listed.

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128 firms match
Thompson Street Capital Manager LLC
St. Louis, MO · tscp.com · SEC registered investment adviser
Buyout firm · probable

St. Louis-based private equity firm focused on founder-led middle-market businesses. See our portfolio companies.

Stated: EV $50.0M to $500M · equity check $50.0M to $500M · Healthcare, Life sciences, Technology, Software and 1 more
Industries: Healthcare services (29 companies) · Life sciences (29 companies) · Industrial services (28 companies)
Middle market2024 PE fund GAV $4.6B11 PE funds of 12, latest vintage 202143 transactions in 36 months77 platforms57 investment professionalslast event Sep 14, 2026
Sixth Street Advisers, LLC
Dallas, TX · sixthstreet.com · SEC registered investment adviser
Buyout firm

Founded in 2009, Sixth Street is a leading global investment firm dedicated to developing themes and offering solutions to companies across all stages of growth.

Stated: equity check $100M to $2.5B · control or majority or minority · Business services, Healthcare, Software, Consumer and 3 more
Industries: Software (4 companies) · Financial services (4 companies) · Tech-enabled and IT services (2 companies)
Large cap2024 PE fund GAV $65B115 PE funds of 159, latest vintage 202520 transactions in 36 months10 platforms40 investment professionalslast event Sep 3, 2026
Summit Partners, L.P.
Boston, MA · summitpartners.com · SEC registered investment adviser
Growth equity · probable

At Summit Partners we provide capital and resources to power the growth of category-leading companies as a growth-focused private equity investor.

Stated: equity check $10.0M to $500M · Healthcare, Life sciences, Technology
Industries: Software (16 companies) · Tech-enabled and IT services (4 companies) · Life sciences (4 companies)
Large cap2024 PE fund GAV $42B106 PE funds of 106, latest vintage 202314 transactions in 36 months6 platforms103 investment professionalslast event Sep 13, 2026
H•
London · h••••••••.com · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: Software, Financial services, Healthcare, Life sciences and 5 more
Industries: Software (12 companies) · Tech-enabled and IT services (4 companies) · Hardware and deep tech (2 companies)
Large cap2024 PE fund GAV $58B167 PE funds of 167, latest vintage 202511 transactions in 36 months9 platforms31 investment professionalslast event Sep 13, 2026
A•• C••••••
Greenwich, CT · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: EBITDA $150M to $750M · EV $60.0M to $200M · equity check $25.0M to $75.0M · control or majority or minority · Industrials, Distribution, Business services, Healthcare and 23 more
Industries: Consumer products and retail (4 companies) · Consumer services (4 companies) · Manufacturing (3 companies)
Upper middle market2024 PE fund GAV $6.8B9 PE funds of 26, latest vintage 20259 transactions in 36 months13 platforms4 investment professionalslast event Jun 25, 2026
G•••• P•••• P•••••••• L••
Greenwich, CT · g•••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: EBITDA $2.0M to $12.0M · revenue $10.0M to $100M · equity check $10.0M to $100M · majority or minority · Healthcare, Life sciences, Technology
Industries: Life sciences (38 companies) · Healthcare services (36 companies) · Industrial services (5 companies)
Middle market2024 PE fund GAV $1.2B35 PE funds of 36, latest vintage 20249 transactions in 36 months34 platforms68 investment professionalslast event Sep 20, 2026
A••••• A••••••• I• A•
Stockholm · a•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Business services, Healthcare, Life sciences, Software
Industries: Industrial services (2 companies) · Manufacturing (2 companies) · Software (1 company)
Lower middle market2024 PE fund GAV $450M1 PE fund of 4, latest vintage 20247 transactions in 36 months28 platforms3 investment professionalslast event Sep 15, 2026
A••••• I••••••••• M••••••••• L••
New York, NY · a••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: EBITDA $10.0M to $75.0M · revenue $25.0M to $250M · Technology, Consumer, Infrastructure, Financial services and 1 more
Industries: Software (3 companies) · Tech-enabled and IT services (3 companies) · Hardware and deep tech (3 companies)
Middle market2024 PE fund GAV $2.6B11 PE funds of 13, latest vintage 20257 transactions in 36 months3 platforms3 investment professionalslast event Sep 15, 2026
S• C•••••• P•••••••
New York, NY · s•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: control · Technology, Life sciences
Industries: Industrial services (8 companies) · Manufacturing (6 companies) · Life sciences (2 companies)
Upper middle market2024 PE fund GAV $8.8B35 PE funds of 35, latest vintage 20247 transactions in 36 months10 platforms5 investment professionalslast event Sep 10, 2026
V•••• S••••• C•••••• L••
Pacific Palisades, CA · v•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: EBITDA $3.0M to $30.0M · EV $30.0M to $350M · Technology, Manufacturing, Industrials, Life sciences and 1 more
Industries: Industrial services (3 companies) · Manufacturing (2 companies) · Software (stated)
Middle market2024 PE fund GAV $3.3B18 PE funds of 18, latest vintage 20247 transactions in 36 months4 platforms28 investment professionalslast event Sep 17, 2026
1••• C••••••
Philadelphia, PA · 1•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: revenue $50.0M to $200M · equity check $15.0M to $50.0M · majority · Healthcare, Technology, Manufacturing, Life sciences
Industries: Life sciences (8 companies) · Healthcare services (7 companies) · Industrial services (2 companies)
Middle market2024 PE fund GAV $1.4B11 PE funds of 11, latest vintage 20256 transactions in 36 months7 platforms17 investment professionalslast event Sep 23, 2026
A••••• C•••••• P•••••••• L•••
Greenwich, CT · a•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: equity check $75.0M to $150M · minority · Healthcare, Life sciences, Technology
Industries: Healthcare services (10 companies) · Life sciences (10 companies) · Business services (2 companies)
Middle market2024 PE fund GAV $1.6B10 PE funds of 15, latest vintage 20235 transactions in 36 months11 platforms35 investment professionalslast event Sep 18, 2026
G• S••••• H••••••••• P•••••• E••••• L••
London · g•••••••••.com · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: majority · Healthcare, Life sciences
Industries: Software (1 company) · Tech-enabled and IT services (1 company) · Hardware and deep tech (1 company)
Middle market2024 PE fund GAV $2.4B5 PE funds of 5, latest vintage 20225 transactions in 36 months6 platforms3 investment professionalslast event Sep 10, 2026
G•••••• C••••••
San Francisco, CA · g•••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: control · Healthcare, Life sciences, Technology, Consumer and 2 more
Industries: Financial services (36 companies) · Software (30 companies) · Manufacturing (23 companies)
Large cap2024 PE fund GAV $53B33 PE funds of 33, latest vintage 20244 transactions in 36 months7 platforms11 investment professionalslast event Sep 14, 2026
S•••••••• I••••••••• I•• L••
Minneapolis, MN · s••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: EBITDA $4.0M to $25.0M · revenue $20.0M to $300M · equity check up to $100M · Business services, Industrials, Distribution, Life sciences and 6 more
Industries: Manufacturing (8 companies) · Industrial services (7 companies) · Healthcare services (3 companies)
Middle market2024 PE fund GAV $1.3B17 PE funds of 18, latest vintage 20234 transactions in 36 months9 platforms14 investment professionalslast event Sep 16, 2026
J••••••••• M••••••••• L••
Washington, DC · j•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: revenue $15.0M to $150M · equity check $10.0M to $50.0M · Healthcare, Consumer, Business services, Life sciences
Industries: Consumer products and retail (4 companies) · Consumer services (4 companies) · Healthcare services (stated)
Middle market2024 PE fund GAV $1.2B21 PE funds of 21, latest vintage 20243 transactions in 36 months5 platforms22 investment professionalslast event Jun 15, 2026
A••••••• I••••••••• P•••••••• S••••• S•••
Madrid · a•••••••••.com · SEC exempt reporting adviser
Infrastructure · probable

••• Locked

Stated: Energy, Infrastructure, Media and telecom, Industrials and 4 more
Industries: Energy, utilities and infrastructure (7 companies) · Industrial services (2 companies) · Manufacturing (2 companies)
Middle market2024 PE fund GAV $4.3B3 PE funds of 6, latest vintage 20242 transactions in 36 months6 platforms11 investment professionalslast event Sep 15, 2026
D•• C•••••• M••••••••• L••
New York, NY · d•••••••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: EBITDA up to $20.0M · revenue up to $200M · control or minority · Industrial services, Industrials, Healthcare, Business services and 5 more
Industries: Business services (2 companies) · Healthcare services (1 company) · Life sciences (1 company)
Middle market2024 PE fund GAV $2.9B21 PE funds of 21, latest vintage 20242 transactions in 36 months3 platforms5 investment professionalslast event Sep 15, 2026
D••• S••••• L••
London · d•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: control or minority · Industrials, Healthcare, Consumer, Hospitality and leisure and 12 more
Industries: Healthcare services (2 companies) · Life sciences (2 companies) · Energy, utilities and infrastructure (1 company)
unsized2024 PE fund GAV not reported6 PE funds of 8, latest vintage 20172 transactions in 36 months5 platforms19 investment professionalslast event Sep 1, 2026
G•••• C••••••
Geneva · g•••••••••.com
Buyout firm · probable

••• Locked

Stated: Healthcare, Life sciences
Industries: Healthcare services (1 company) · Life sciences (1 company)
unsized2024 PE fund GAV not reported0 PE funds of 02 transactions in 36 months2 platforms1 investment professionallast event Sep 17, 2026
J•• P••••••• L••
New York, NY · j•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Life sciences
Industries: Healthcare services (1 company) · Life sciences (1 company) · Business services (1 company)
Upper middle market2024 PE fund GAV $11B47 PE funds of 48, latest vintage 20242 transactions in 36 months2 platforms20 investment professionalslast event Sep 15, 2026
L••••••••• C•••••• M••••••••• L••
Dallas, TX · l•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: EBITDA $2.0M to $10.0M · control · Healthcare, Manufacturing, Life sciences
Industries: Healthcare services (stated) · Life sciences (stated) · Manufacturing (stated)
Lower middle market2024 PE fund GAV $705M9 PE funds of 9, latest vintage 20242 transactions in 36 months1 platform2 investment professionalslast event Jul 30, 2026
N••••• C••••••
St. Helier · n•••••••••.com · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: majority · Life sciences
Industries: Software (1 company) · Life sciences (stated)
Large cap2024 PE fund GAV $31B22 PE funds of 22, latest vintage 20232 transactions in 36 months2 platforms6 investment professionalslast event Sep 13, 2026
N•••••••• C•••••• P•••••••
Bethesda, MD · n•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: EBITDA $5.0M to $30.0M · EV $50.0M to $350M · equity check $25.0M to $150M · Business services, Healthcare, Distribution, Technology and 5 more
Industries: Healthcare services (2 companies) · Life sciences (2 companies) · Education (1 company)
Middle market2024 PE fund GAV $1.2B3 PE funds of 3, latest vintage 20242 transactions in 36 months3 platforms18 investment professionalslast event May 8, 2026
O••••••• C•••••• M••••••••• L••
New York, NY · o•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: equity check $50.0M to $300M · Healthcare, Technology, Life sciences, Infrastructure
Industries: Life sciences (2 companies) · Healthcare services (1 company) · Software (stated)
Middle market2024 PE fund GAV $3.2B9 PE funds of 11, latest vintage 20232 transactions in 36 months2 platforms18 investment professionalslast event Jul 7, 2026
P•••••• E••••• L••
Greenwich, CT · p•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: revenue $10.0M to $200M · Healthcare, Life sciences
Industries: Healthcare services (3 companies) · Life sciences (3 companies) · Industrial services (1 company)
Lower middle market2024 PE fund GAV $459M12 PE funds of 13, latest vintage 20232 transactions in 36 months1 platform5 investment professionalslast event Sep 17, 2026
A•••••• C•••••• M••••••••• L•
New York, NY · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Technology, Life sciences, Healthcare
Industries: Life sciences (110 companies) · Healthcare services (5 companies) · Software (1 company)
Lower middle market2024 PE fund GAV $716M2 PE funds of 2, latest vintage 20191 transaction in 36 months4 platforms3 investment professionalslast event Dec 31, 2025
B••••••• A•••• M••••••••• L••
Bethesda, MD · b•••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: revenue $5.0M+ · Life sciences
Industries: Healthcare services (8 companies) · Life sciences (8 companies) · Software (1 company)
Lower middle market2024 PE fund GAV $352M10 PE funds of 13, latest vintage 20251 transaction in 36 months12 platforms22 investment professionalslast event Aug 31, 2026
D•••• A••••••• L••••••
Hong Kong · d•••••••••.com · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: Life sciences
Industries: Life sciences (3 companies) · Healthcare services (1 company)
Lower middle market2024 PE fund GAV $541M3 PE funds of 31 transaction in 36 months1 platform7 investment professionalslast event Jun 1, 2026
F•••• A••••••• C•••••• M••••••••• L••
Chicago, IL · f•••••••••.com · SEC registered investment adviser
Venture firm with private equity activity · probable

••• Locked

Stated: revenue $1.0M to $10.0M · equity check $3.0M to $10.0M · majority or minority · Technology, Industrials, Real estate, Healthcare and 3 more
Industries: Software (8 companies) · Life sciences (2 companies) · Tech-enabled and IT services (1 company)
Lower middle market2024 PE fund GAV $80.7M7 PE funds of 9, latest vintage 20131 transaction in 36 months1 platform2 investment professionalslast event Sep 17, 2026
F•••••• H••••••••• P•••••••
Seattle, WA · f•••••••••.com · SEC registered investment adviser
Growth equity · probable

••• Locked

Stated: revenue $400M+ · Healthcare, Manufacturing, Life sciences, Technology and 9 more
Industries: Healthcare services (7 companies) · Life sciences (6 companies) · Business services (2 companies)
Upper middle market2024 PE fund GAV $8.0B25 PE funds of 25, latest vintage 20221 transaction in 36 months2 platforms32 investment professionalslast event Jun 18, 2026
N••••• P•••••••• L••
Providence, RI · n•••••.com · SEC registered investment adviser
Buyout firm · probable

••• Locked

Stated: EBITDA $10.0M to $100M · equity check $50.0M to $500M · Industrials, Healthcare, Life sciences, Technology and 1 more
Industries: Healthcare services (3 companies) · Life sciences (1 company) · Business services (1 company)
Upper middle market2024 PE fund GAV $14B34 PE funds of 34, latest vintage 20251 transaction in 36 months1 platform7 investment professionalslast event Jul 13, 2026
T•• R•••••••• C••••••
New York, NY · r•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: EBITDA $10.0M to $35.0M · revenue $75.0M to $15.0M · EV $400M+ · minority · Software, Business services, Manufacturing, Distribution and 8 more
Industries: Software (stated) · Healthcare services (stated) · Life sciences (stated)
Upper middle market2024 PE fund GAV $14B170 PE funds of 174, latest vintage 20251 transaction in 36 months1 platform129 investment professionalslast event Jul 1, 2026
T•• L••• S•••••• M••••••••• I•••
Westmount, Quebec · t•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable

••• Locked

Stated: Life sciences, Manufacturing, Transportation and logistics, Healthcare and 1 more
Industries: Healthcare services (2 companies) · Life sciences (2 companies) · Software (1 company)
unsized2024 PE fund GAV not reported0 PE funds of 11 transaction in 36 months3 platforms2 investment professionalslast event Oct 16, 2025
4••• P••••••• L••
London · 4•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable
Stated: Life sciences
Industries: Life sciences (stated)
Lower middle market2024 PE fund GAV $264M2 PE funds of 2, latest vintage 20233 investment professionalslast event Apr 29, 2021
5•• V•••••••
San Francisco, CA · 5•••••••••.com · SEC registered investment adviser
Venture firm with private equity activity · probable

••• Locked

Stated: Life sciences, Technology
Industries: Life sciences (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Lower middle market2024 PE fund GAV $272M2 PE funds of 2, latest vintage 202217 investment professionalslast event Mar 29, 2012
A•••• C•••••• A•••••••• L••
New York, NY · a•••••••••.com · SEC registered investment adviser
Venture firm with private equity activity · probable
Stated: Life sciences
Industries: Life sciences (stated)
unsized2024 PE fund GAV not reported0 PE funds of 1, latest vintage 2019investment professionals not trackedlast event May 6, 2019
A••••• A••••••• I•• A•
Stockholm · a•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Business services, Healthcare, Life sciences, Software
Industries: Software (stated) · Healthcare services (stated) · Life sciences (stated)
Middle market2024 PE fund GAV $1.2B1 PE fund of 1, latest vintage 2021investment professionals not trackedlast event Sep 15, 2026
A••••••• C••••••• L•
New York, NY · a•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable

••• Locked

Stated: Technology, Life sciences
Industries: Life sciences (7 companies) · Manufacturing (1 company) · Software (stated)
unsized2024 PE fund GAV not reported0 PE funds of 2, latest vintage 20199 investment professionalslast event May 13, 2019
A•• M••••• I• •••• L•••
Location unknown · a•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable

••• Locked

Stated: Technology, Food and beverage, Life sciences, Infrastructure and 1 more
Industries: Software (3 companies) · Tech-enabled and IT services (1 company) · Media and telecom (1 company)
Lower middle market2024 PE fund GAV $28.5M1 PE fund of 1, latest vintage 2019investment professionals not trackedlast event Mar 31, 2022
A••• B••••• G•••• ••• L••
New York, NY · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Healthcare, Life sciences, Technology, Financial services and 6 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Middle market2024 PE fund GAV $1.2B8 PE funds of 8, latest vintage 20221 investment professionallast event Jul 1, 2026
A••• S••••• C•••••• L••
London · a•••••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: control or majority · Healthcare, Technology, Financial services, Infrastructure and 3 more
Industries: Life sciences (3 companies) · Hospitality and leisure (1 company) · Software (stated)
Lower middle market2024 PE fund GAV $107M3 PE funds of 3investment professionals not trackedlast event Jun 9, 2026
A•••••• P•••••• E••••• S•••• S••
Madrid · a•••••••••.com · SEC exempt reporting adviser
Fund of funds · probable

••• Locked

Stated: Life sciences, Infrastructure, Real estate, Environmental services
Industries: Life sciences (stated) · Industrial services (stated) · Energy, utilities and infrastructure (stated)
unsized2024 PE fund GAV $01 PE fund of 1140 investment professionalslast event Dec 1, 2021
A•••••••• C•••••• P•••••••
Boston, MA · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: EBITDA $2.0M to $40.0M · revenue $10.0M to $100M · minority · Life sciences, Technology
Industries: Life sciences (1 company) · Software (stated) · Tech-enabled and IT services (stated)
Middle market2024 PE fund GAV $3.1B9 PE funds of 12, latest vintage 20221 platform35 investment professionalslast event Jun 30, 2026
A•••••• C••••••
Amsterdam · a•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable

••• Locked

Stated: equity check $1.0M to $10.0M · Life sciences
Industries: Life sciences (stated)
Lower middle market2024 PE fund GAV not reported0 PE funds of 16 investment professionalslast event Jul 9, 2026
A••••••• C•••••• L••
London · a•••••••••.com · SEC exempt reporting adviser
Buyout firm

••• Locked

Stated: Healthcare, Life sciences
Industries: Healthcare services (stated) · Life sciences (stated)
Lower middle market2024 PE fund GAV not reported3 PE funds of 3, latest vintage 20209 investment professionalslast event Sep 17, 2026
A•••• E••••• P•••••••• L••
Miami, FL · a•••••••••.com · SEC registered investment adviser
Buyout firm

••• Locked

Stated: Software, Technology, Healthcare, Life sciences
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV $449M15 PE funds of 15, latest vintage 20242 investment professionalslast event May 12, 2026
A•••••• G••••• P•••••••
London · a•••••••••.com · SEC exempt reporting adviser
Venture firm with private equity activity · probable

••• Locked

Stated: Distribution, Consumer, Chemicals and materials, Life sciences and 4 more
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
unsized2024 PE fund GAV not reported1 PE fund of 20, latest vintage 20233 investment professionalslast event Jul 16, 2020
A••• C•••••• L••
New York, NY · a••••••.com · SEC exempt reporting adviser
Buyout firm · probable

••• Locked

Stated: Life sciences, Technology, Healthcare
Industries: Software (stated) · Tech-enabled and IT services (stated) · Hardware and deep tech (stated)
Lower middle market2024 PE fund GAV not reported1 PE fund of 11 investment professionallast event Sep 1, 2026
A•••• H••••• C•••••• A••••••• L••
London · a•••••••••.com
Buyout firm · probable

••• Locked

Stated: Healthcare, Life sciences, Software
Industries: Software (stated) · Healthcare services (stated) · Life sciences (stated)
unsized2024 PE fund GAV not reported0 PE funds of 0investment professionals not trackedlast event May 14, 2026

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