United States · 
What does Oak Investment Partners invest in?
Oak Investment Partners invests most often at Venture and Series B (46% of the rounds on record), in sectors such as Fintech, Healthcare and Telecom.
Oak Investment Partners highlights
- 01
252 rounds on record
- 02
Mostly Venture and Series B: 46% of its rounds
- 03
Sole investor in 34 rounds, median $16M
- 04
45 exits from the portfolio
What they do
Oak Investment Partners is a multistage venture capital firm and a lead investor for the next generation of disruptive growth companies.From their own website
- Type
- Private equity (from a list, unverified)
- Cheque size
- $100K – $5.0M as they say
- Stages
- SeedSeries ASeries BGrowthPre-IPO
- Sectors
- FintechHealthcareTelecom
- Based in
- Greenwich, United States
- Cold pitches
- Not accepted
The record
Every round we can evidence, newest first252 appearances
- 2015
10 rounds
- Aug
- Aug
- Jul
- Jul
- Jun
- Apr
- Apr
- Apr
- Mar
- Mar
- 2014
13 rounds
- Dec
- Dec
- Dec
- Nov
- Oct
- Jul
- Jul
- May
- May
- Apr
- Apr
- Mar
- Mar
- 2013
21 rounds
- Dec
- Dec
- Dec
- Oct
- Oct
- Sept
- Sept
- Sept
- Aug
- Aug
- Jul
- Jun
- May
- Apr
- Apr
- Apr
- Apr
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 registration8 named
AWAndrew William AdamsOak Management Corporation - Vice President and ShareholderiForm ADV
AHAnn Huntress LamontOak Management Corporation - Vice President President and ShareholderiForm ADV
BLBandel Lewis CaranoOak Management Corporation - Vice PresidentiForm ADV
BDBrian DunefskyOak Management Corporation - Chief Compliance OfficeriForm ADV
DBDavid Bradley WalrodOak Associates X, LLC - Non-Managing MemberiForm ADV
EFEdward Fellows GlassmeyerOak Management Corporation - President and ShareholderiForm ADV
FWFredric Ward HarmanOak Management Corporation - Vice President President and ShareholderiForm ADV
GAGrace Anne AmesOak Management Corporation - Chief Operating Officer, Chief Financial Officer, Secretary, Treasurer and ShareholderiForm ADV
We also hold 15 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
$117Mgross assets of its fundsOct 2026
Exemptreporting adviserventure or small private funds
- Legal name
- OAK Management Corporation
- SEC number
- CRD 162441
Who backs their funds
3 LPs on record in Oak Investment Partners's funds
- Committed
- $505M
- Funds
- 6
- Vintages
- 1998 to 2010
The institutions that put money into its funds, which the firm then invests in companies.Source: the pension's own report, latest Mar 2026.
Washington State Investment Board4 funds$280MFund Vintage Committed Oak Investment Partners XI 2004 $100M Oak Investment Partners X 2001 $100M Oak Investment Partners IX 1999 $60M Oak Investment Partners VIII 1998 $20M 
Oregon Public Employees Retirement Fund2 funds$150MFund Vintage Committed Oak Investment Partners XIII 2010 $75M Oak Investment Partners XII 2006 $75M - California State Teachers Retirement System1 fund$75M
Fund Vintage Committed Oak Investment Partners XI 2004 $75M
What they claim to have backed
From their own portfolio page (on their website)
60 of 60 we have independently watched raise
2wireApteanAthenahealthAttivioBenefitfocusBleacherreportBritCastlighthealthCdnetworksCentricsoftwareChamateCircleCiscoCollaberaDeemDickssportinggoodsDuedilEnjoyEsolarExodusFibertowerFirstrainFreshbooksGroupninemediaHipmunkIcrossingKayakLimelightnetworksLoopnetLucentLucyMajorleaguegamingMilyoniMobitvMylifeNanoh2oNeophotonicsNetspendNexantNextgnetworksNextnavNlightOfficedepotPetsmartPfchangsPhononicPhotobucketProteanelectricQpassRadiantresearchRazorgatorRebelmouseRevolutionfoodsRibboncommunicationsSeagateSmartdriveSovrnSundropfuelsSynapticsTalismaand 94 more
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 listed45 in all
ClarientBought by NeoGenomics Laboratories$275MOct 2015
PharMEDium HealthcareBought by AmerisourceBergen Corporation$2.6BOct 2015
Good TechnologyBought by BlackBerry$425MSept 2015
Protonex Technology CorporationBought by Ballard Power Systems$30MJun 2015
MilyoniBought by PhotobucketUndisclosedApr 2015
Kineto WirelessBought by TaquaUndisclosedSept 2014
Newport MediaBought by AtmelUndisclosedJul 2014
ReliOnBought by Plug PowerUndisclosedApr 2014
BONDS.COMBought by MTS GroupUndisclosedMar 2014
StretchBought by EXARUndisclosedJan 2014
KAYAKBought by PricelineUndisclosedNov 2012
KAYAKListedUndisclosedAug 2012
Modiv MediaBought by Catalina MarketingUndisclosedApr 2012
NextG NetworksBought by Crown Castle$1.0BApr 2012
The Huffington PostBought by AOL$315MFeb 2011
SHOP.COMBought by Market AmericaUndisclosedDec 2010
Psychiatric SolutionsBought by Universal Health ServicesUndisclosedNov 2010
Trapeze NetworksBought by Juniper Networks$152MNov 2010
The latest 20 here. An exit counts when it came after the firm's first round in the company. From historical deal records.