United States · 
What does Waterline Ventures invest in?
Waterline Ventures invests most often at Seed and Series A (100% of the rounds on record), in sectors such as Healthtech, Health and E-health.
Waterline Ventures highlights
- 01
6 rounds on record
- 02
Mostly Seed and Series A: 100% of its rounds
- 03
Sole investor in 1 rounds, median $2.5M
- 04
1 exits from the portfolio
What they do
Waterline invests in early growth technology and service-enabled technology companies in the healthcare spaceFrom their own website
- Type
- VC firm (from a list, unverified)
- Cheque size
- Not stated
- Stages
- SeedSeries ASeries BGrowth
- Sectors
- HealthtechHealthE-health
- Based in
- Cambridge, United States
- Cold pitches
- Not stated
The record
Every round we can evidence, newest first6 appearances
- 2019
1 round
- Sept
- 2017
1 round
- Dec
- 2016
1 round
- Jun
- 2015
1 round
- Jul
- 2014
2 rounds
- Dec
- Sept
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
The team
Named by the firm itself, on a filing, its Form ADV or its company registration1 named
RMRobert Milton GreenglassMember/Manager of Waterline Ventures, LLCiForm ADV
We also hold 10 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
What the register says
From the firm's own filings with the SEC, which it must file accurately by law
$257Mgross assets of its fundsOct 2026
Exemptreporting adviserventure or small private funds
- Legal name
- Waterline Ventures, LLC
- SEC number
- CRD 173281
What they claim to have backed
From their own portfolio page (on their website)
23 of 37 we have independently watched raise
1docwayAnagramAndgosystemsBrighthealthcareCartaCuredEvolvedmdGivelegacyHealthipassHealthrhythmsKinomaticKoneksahealthMadakethealthN1healthPersimmonPlenfulRubiconmdSimplifedTimedochealthVentriclehealthVirginpulseWellframeZipnosisAmbientclinicalBecvrdBusinessClarifihealthCommonsensingDoctornowGobioHaleLumereManifoldNicePerimeterVirgosvsZizi
Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.
Exits from the portfolio
Companies it backed that were later bought or listed1 in all
1DocWayBought by GenoaUndisclosedNov 2015
An exit counts when it came after the firm's first round in the company. From historical deal records.