Series B Investors & VC Firms in Boston

82 firms in this list, with a median first check of $1M. 29 of them lead rounds. Generated from verified public data and updated continuously.

Fund	FoxScore	HQ	Invests	Stage	Check	CRM
F- F-Prime Capital Partners APCBCXDJ104 people · Leads rounds	88🔒	Cambridge	US	Pre-Seed–Late Stage	$3M – $10M	+ Add to CRM
BA Battery Ventures ABBSBSCS91 people · Leads rounds	88🔒	Boston	US	Seed–Late Stage	$500K – $100M	+ Add to CRM
RA RA Capital ALDDJSLS29 people	88🔒	Boston	US	Seed–Late Stage	—	+ Add to CRM
PI Pillar VC BBBMJGRW62 people · Leads rounds	88🔒	Boston	US	Pre-Seed–Series B	$50K – $4M	+ Add to CRM
TH Third Rock Ventures KSACAVCP75 people · Follows rounds	88🔒	Boston	US	Seed–Series C	$100K – $5M	+ Add to CRM
SV SV Health Investors ARASBFCW29 people · Leads rounds	88🔒	Boston	US	Pre-Seed–Late Stage	$1M – $20M	+ Add to CRM
RA Raptor Group JP1 person	88🔒	Miami Beach	US	Pre-Seed–Late Stage	—	+ Add to CRM
AS Asymmetric Capital Partners RBNCSCSU57 people · Leads rounds	88🔒	Boston	US	Pre-Seed–Late Stage	$1M – $10M	+ Add to CRM
FL Flare Capital Partners ABBGCHDG47 people · Leads rounds	88🔒	Boston	US	Pre-Seed–Late Stage	$1M – $10M	+ Add to CRM
SU Summit Partners ACACCSCD33 people · Leads rounds	88🔒	Boston	US	Series B–Late Stage	$10M – $500M	+ Add to CRM
HL HLM Venture Partners ECEPJMML32 people · Leads rounds	88🔒	Boston	US	Seed–Late Stage	$3M – $5M	+ Add to CRM
LO Longwood Fund CWRAARDS50 people · Follows rounds	88🔒	Boston	US	Seed–Series B	—	+ Add to CRM
OP OpenView Venture Partners BLDDDMEC34 people	88🔒	Boston	US	Series A–Growth	$5M – $20M	+ Add to CRM
PO Polaris Partners JFTMACAC43 people	88🔒	Boston	US	Seed–Growth	$500K – $5M	+ Add to CRM
BA Bain Capital Ventures AHAMAAC(20 people · Leads rounds	88🔒	Boston	US	Pre-Seed–Growth	$1M – $100M	+ Add to CRM
OP Optum Ventures KALCLVSR39 people · Follows rounds	88🔒	Boston	US	Seed–Late Stage	—	+ Add to CRM
OL Olive Tree Capital AWJLNEIB5 people · Follows rounds	88🔒	Boston	US	Seed–Late Stage	—	+ Add to CRM
BA Bain Capital Life Sciences AMAZAHND32 people	88🔒	Boston	US	Series B–Late Stage	—	+ Add to CRM
AD Advent International RABTCEJB47 people · Leads rounds	88🔒	Boston	US	Series A–Late Stage	$1.1B	+ Add to CRM
SP Spectrum Equity VPAMBSJC19 people · Leads rounds	88🔒	Boston	US	Series A–Late Stage	$25M – $250M	+ Add to CRM
.4 .406 Ventures LDMCGBGD17 people · Leads rounds	88🔒	Boston	US	Seed–Growth	$1M – $4M	+ Add to CRM
MP MPM BioImpact AGDBCBKL40 people	88🔒	Boston	US	Pre-Seed–Series C	$1M – $15M	+ Add to CRM
LR LRVHealth TPWCEHJF28 people · Follows rounds	88🔒	Boston	US	Seed–Late Stage	$500K – $1M	+ Add to CRM
AM American Family Ventures BCDRKBAJ25 people · Follows rounds	88🔒	Boston	US	Pre-Seed–Growth	$250K – $10M	+ Add to CRM

F-Prime Capital Partners

CambridgePre-Seed–Late Stage$3M – $10M

APCBCXDJ104 people

Battery Ventures

BostonSeed–Late Stage$500K – $100M

ABBSBSCS91 people

RA Capital

BostonSeed–Late Stage

ALDDJSLS29 people

Pillar VC

BostonPre-Seed–Series B$50K – $4M

BBBMJGRW62 people

Third Rock Ventures

BostonSeed–Series C$100K – $5M

KSACAVCP75 people

SV Health Investors

BostonPre-Seed–Late Stage$1M – $20M

ARASBFCW29 people

Raptor Group

Miami BeachPre-Seed–Late Stage

JP1 person

Asymmetric Capital Partners

BostonPre-Seed–Late Stage$1M – $10M

RBNCSCSU57 people

Flare Capital Partners

BostonPre-Seed–Late Stage$1M – $10M

ABBGCHDG47 people

Summit Partners

BostonSeries B–Late Stage$10M – $500M

ACACCSCD33 people

HLM Venture Partners

BostonSeed–Late Stage$3M – $5M

ECEPJMML32 people

Longwood Fund

BostonSeed–Series B

CWRAARDS50 people

OpenView Venture Partners

BostonSeries A–Growth$5M – $20M

BLDDDMEC34 people

Polaris Partners

BostonSeed–Growth$500K – $5M

JFTMACAC43 people

Bain Capital Ventures

BostonPre-Seed–Growth$1M – $100M

AHAMAAC(20 people

Optum Ventures

BostonSeed–Late Stage

KALCLVSR39 people

Olive Tree Capital

BostonSeed–Late Stage

AWJLNEIB5 people

Bain Capital Life Sciences

BostonSeries B–Late Stage

AMAZAHND32 people

Advent International

BostonSeries A–Late Stage$1.1B

RABTCEJB47 people

Spectrum Equity

BostonSeries A–Late Stage$25M – $250M

VPAMBSJC19 people

.406 Ventures

BostonSeed–Growth$1M – $4M

LDMCGBGD17 people

MPM BioImpact

BostonPre-Seed–Series C$1M – $15M

AGDBCBKL40 people

LRVHealth

BostonSeed–Late Stage$500K – $1M

TPWCEHJF28 people

American Family Ventures

BostonPre-Seed–Growth$250K – $10M

BCDRKBAJ25 people

Data sourced from public filings and firms' own websites — see our methodology.