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Private equity firms in Massachusetts

Source: FundingWatcher. Data as of 4 September 2026.

207
Private equity firms in Massachusetts
100
Rows shown
8
Stages recorded
9
Other types here
100 rows
# Name Location Investments Lead Exits People
1 Polaris Partners Boston, United States 754 215 207 22
2 RA Capital Management Boston, United States 544 183 243 67
3 Summit Partners Boston, United States 451 157 277 122
4 Wellington Management Boston, United States 335 111 160 838
5 SV Health Investors Boston, United States 325 76 95 34
6 TA Associates Boston, United States 317 173 194 139
7 MPM Capital Boston, United States 301 97 105 30
8 HarbourVest Partners Boston, United States 273 52 147 418
9 Advent International Boston, United States 234 97 89 149
10 Bain Capital Boston, United States 198 89 89 694
11 Morningside Newton Center, United States 182 60 40 5
12 PSG Equity Boston, United States 144 120 33 87
13 Boston Millennia Partners Boston, United States 140 25 64 4
14 Morningside Newton, United States 138 64 23 5
15 Trustbridge Partners Boston, United States 122 44 21 8
16 Bain Capital Life Sciences Boston, United States 117 41 60 0
17 ABRY Partners Boston, United States 97 40 50 44
18 Audax Private Equity Boston, United States 93 65 62 72
19 Volition Capital Boston, United States 88 60 25 26
20 Safar Partners Cambridge, United States 85 17 7 8
21 Great Hill Partners Boston, United States 84 53 42 15
22 Ampersand Capital Partners Wellesley, United States 75 35 39 18
23 Schooner Capital Boston, United States 74 36 15 7
24 Transformation Capital Boston, United States 72 36 15 17
25 Eventide Boston, United States 64 14 36 28
26 WestView Capital Partners Boston, United States 60 33 32 5
27 Silversmith Capital Partners Boston, United States 59 41 17 40
28 K2 HealthVentures Boston, United States 51 28 24 10
29 M/C Partners Boston, United States 50 27 22 7
30 Salus Capital Partners Needham Heights, United States 46 40 21 0
31 CB Health Ventures Boston, United States 46 1 20 2
32 Parthenon Capital Partners Boston, United States 45 35 20 30
33 Charlesbank Capital Partners Boston, United States 40 27 14 48
34 Fifth Down Capital Dover, United States 40 8 7 21
35 BV Investment Partners Boston, United States 37 22 15 24
36 Berkshire Partners Boston, United States 37 20 17 77
37 MassMutual Springfield, United States 36 18 6 931
38 Seacoast Capital Partners Danvers, United States 35 22 14 8
39 Causeway Media Partners Cambridge, United States 34 12 9 0
40 Tudor Growth Equity Boston, United States 33 11 14 0
41 Spring Lake Equity Partners Boston, United States 31 19 15 2
42 THL Boston, United States 29 18 10 60
43 Audax Group Boston, United States 29 12 14 37
44 Wavecrest Growth Partners Boston, United States 28 21 6 11
45 Monitor Clipper Funds Boston, United States 28 17 18 0
46 Massachusetts Capital Resource Company Boston, United States 28 13 16 4
47 Copley Equity Partners Boston, United States 27 20 10 8
48 Sverica Capital Boston, United States 26 20 12 11
49 Bain Capital Credit Boston, United States 26 17 10 0
50 Castanea Newton, United States 26 12 14 3
51 Gemini Investors Wellesley, United States 26 5 9 4
52 Newpath Management Boston, United States 23 10 7 2
53 The London Fund Boston, United States 23 9 8 6
54 Palladin Consumer Retail Partners Boston, United States 23 4 15 4
55 BPEA Boston, United States 23 2 15 10
56 Archerman Capital Boston, United States 23 1 4 5
57 Guidepost Growth Equity Boston, United States 22 15 8 6
58 WAVE Equity Partners Boston, United States 22 11 2 8
59 Salix Ventures Andover, United States 22 3 10 0
60 Gilde IT Fund Cambridge, United States 22 2 9 0
61 Ticonderoga Capital Braintree, United States 21 4 16 0
62 Growcore Investments Boston, United States 21 2 10 2
63 Blackstone Life Sciences Cambridge, United States 20 13 15 0
64 Denham Capital Boston, United States 20 11 6 13
65 State Street Global Advisors Boston, United States 20 8 10 292
66 Perkins Cove Partner Boston, United States 20 1 6 2
67 Stone-Goff Partners Boston, United States 19 13 6 7
68 Pine Street Capital Partners Wellesley, United States 17 6 9 2
69 Spring Lane Capital Boston, United States 16 16 3 0
70 Bain Capital Tech Opportunities Boston, United States 16 13 3 0
71 Hastings Equity Partners Needham, United States 16 8 6 6
72 Century Equity Partners Boston, United States 16 4 7 0
73 New England Partners Quincy, United States 16 1 9 0
74 Bain Capital Double Impact Fund Boston, United States 15 13 5 0
75 Fort Point Capital Boston, United States 15 10 6 8
76 New Heritage Capital Boston, United States 15 9 5 6
77 Nexus Medical Partners Quincy, United States 15 2 9 0
78 Wincove Boston, United States 14 10 6 5
79 ArcLight Capital Boston, United States 14 9 3 32
80 RS2 Healthcare Partners Boston, United States 14 7 9 4
81 Fresh Source Capital Cambridge, United States 14 5 4 0
82 MedEquity Capital Waltham, United States 14 5 7 3
83 Gurnet Point Capital Cambridge, United States 12 9 2 0
84 Cybernetix Ventures Boston, United States 12 3 0 4
85 Cove Hill Partners Boston, United States 11 10 3 26
86 TSG Equity Partners Stow, United States 11 2 5 0
87 Polaris Growth Fund Boston, United States 10 6 4 11
88 Century Capital Management Boston, United States 10 2 2 1
89 Digital Fuel Capital Newton, United States 10 2 6 12
90 Opaleye Management Boston, United States 10 1 8 0
91 Audeo Capital Boston, United States 9 8 2 2
92 Denali Growth Partners Boston, United States 9 7 0 7
93 Halpern, Denny & Co. Boston, United States 9 2 5 0
94 ThornTree Capital Partners Boston, United States 9 2 1 4
95 Landon Capital Partners Boston, United States 9 1 3 3
96 Cohere Capital Boston, United States 8 8 0 4
97 Stride Consumer Partners Boston, United States 8 8 0 12
98 Falcon Investment Advisors Boston, United States 8 5 4 0
99 Pleasant Bay Capital Partners Boston, United States 8 1 3 1
100 Valspring Capital Boston, United States 7 7 0 4

Table 1. Private equity firms in Massachusetts, by recorded investments. Source: FundingWatcher. Data as of 4 September 2026. Base: 207.

Investment stages

Among these 207
Private equity investors163 Early stage investors90 Late stage investors64 Venture investors59 Seed investors41 Debt investors28 Post IPO investors16 Secondary market investors8

Other investors in Massachusetts

Venture capital firms522 Angel investors517 Investment partners204 Angel groups46 Micro VC funds43 Startup accelerators43 Corporate venture capital28 Startup incubators23 Family offices21

Private equity firms elsewhere

New York967 California771 England544 Texas351 Beijing264 Illinois255 Florida225 Ile-de-France213 Shanghai202 Central Region173 Ontario165 Connecticut158 Hong Kong Island158 Seoul-t'ukpyolsi143 Guangdong134 Maharashtra114 Pennsylvania101 Colorado89 New South Wales83 NA - South Africa81 Noord-Holland81 Bayern80 Georgia80 Dubai74
Cite: FundingWatcher, 207 private equity firms in Massachusetts, 4 September 2026. https://fundingwatcher.com/investors/private-equity-firms/massachusetts-united-states/