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01 · Free data roomBuild, share and track important documents.

Data room analytics Document Analytics Pitch Deck Tracking Secure sharing Permissions NDA & agreements Watermarking Versions Branding

View all Data Room features →

02 · AI Fundraising CRMRun the work between investor meetings.

Today & next moves Follow-up Investor research Investor CRM Investor updates Imports & sources

View all Operator features →

See it workingOpen a live roomWalk a real RoundOS room.

Pricing Security

Deal rooms

Startups Venture capital M&A data room Investor relations

Beyond fundraising

Sales deals Board documents Due diligence Real estate

Fundraising

Fundraising hub Pre-seed Seed Series A

Learn

Blog Funding Customer stories Investor room template

Compare

All alternatives Best free data rooms Best DocSend alternatives Digify alternative iDeals alternative

Free tools & templates

Calculators and fundraising tools. No signup.

SAFE, dilution, runway, pipeline coverage, investor fit.

Sign inExploreData Room AI Fundraising CRM Pricing Security Document Analytics Pitch Deck TrackingData Room featuresData room analytics Secure sharing Permissions NDA & agreements Watermarking Versions BrandingUse casesFundraising hub Startups Venture capital M&A data room Investor relations Sales deals Board documents Due diligence Real estate Pre-seed Seed Series AOperatorToday & next moves Follow-up Investor research Investor CRM Investor updates Imports & sourcesMoreCustomer stories All alternatives Best free data rooms Investor room template Free tools Blog Funding Integrations

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Funding/Investors/Mass General Brigham Ventures

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MG

Mass General Brigham Ventures

Activity from announced rounds

Activity in this selection View all activity

All recorded activity

Rounds participated in: 2
Confirmed lead rounds: —
New companies: 2
Funding in participating rounds: $70.8M

By stage

Seed1

Series C+1

By primary sector

Biotech2

By country

United States2

Rounds

2 in all activity

Aug 18

Develops immunotherapies that selectively deplete cytotoxic T cells to treat autoimmune diseases

$66MSeries D

Role not disclosed

May 18

Violet Therapeutics

Develops first-in-class small molecule therapies for neurodegenerative disease via glial cell signaling platform

$4.8MSeed+

Role not disclosed

1–2 of 2

Most frequent co-investors

abrdn1 shared Bain Capital Life Sciences1 shared Dementia Discovery Fund1 shared Eurofarma Ventures1 shared Foresite Capital1 shared Kaitai Capital1 shared Lifespan Vision Ventures1 shared Nancy Chang1 shared New Enterprise Associates (NEA)1 shared New Leaf Venture Partners1 shared

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RoundOS

A free data room for modern deals, with an AI operator that runs the fundraise.

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Data room analytics Secure document sharing Data room permissions NDA & agreements Dynamic watermarking Document versions Custom branding

03 · Operator

Fundraising hub Pre-seed fundraising Seed fundraising Series A fundraising Fundraising follow-up Investor research Investor updates Integrations

04 · Use cases

Startup data room VC and LP data room M&A data room Due diligence data room Investor relations Sales data room Board documents Real estate data room

05 · Free tools

All free tools SAFE calculator Dilution calculator Runway calculator Pipeline coverage Investor fit checker Follow-up generator Round leak audit

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All alternatives DocSend alternative Digify alternative Google Drive alternative Dropbox alternative Best DocSend alternatives Best free data rooms Investor room template Blog Customer stories Funding News Open a live room

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