Investors / United States / Oak Investment Partners
Oak Investment Partners
Venture capital · Wilton, CT, United States · North America
Oak Investment Partners is a multi-stage venture capital firm that has invested $9 billion in over 525 companies since 1978. It invests in company formation, fund spinouts of operating divisions and technology assets, and provides growth equity to mid- and late-stage private businesses and to public companies through PIPE investments.
Invests inHealthcare & Biotech
In its own wordsinformation technologyinternetconsumerfinancial services technologyhealthcareclean energy
Your fit with Oak Investment Partners
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsOak Investment Partners lists 91 checked portfolio companies on its own site. Its largest themes are Healthcare & Biotech (16%), AI & Machine Learning (14%) and Industrial & Manufacturing (10%). 85% of its companies are based in United States. It invests most often alongside Oak HC/FT, NEA and ATEL Ventures.
No funding round on record names Oak Investment Partners yet, so the figures come from its portfolio page.
Round figures show recent activity, not Oak Investment Partners' whole history. Rounds on record name 0 companies; its own site lists 91. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Healthcare & Biotech | 16% | 15% |
| AI & Machine Learning | 14% | 18% |
| Industrial & Manufacturing | 10% | 7% |
| Fintech | 10% | 12% |
| Consumer | 9% | 3% |
| E-commerce & Marketplaces | 8% | 5% |
| Enterprise Software | 7% | 8% |
| Media & Entertainment | 6% | 4% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Oak HC/FT | 9 |
| NEA | 4 |
| ATEL Ventures | 2 |
| Accel | 2 |
| Asset Management Company | 2 |
| Canaan | 2 |
| Columbia Capital | 2 |
| Crosslink Capital | 2 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 94th | 91 companies |
| Recent activity | 46th | 0 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 5th | 16% in its largest sector |
| Reach | 88th | 7 countries |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers7785%
- No longer answers00%
- Points to another company1415%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Co-investor network
who it backs companies with, and who they back togetherCompare Oak Investment Partners head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
91 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Portfolio page | ||||
| Airspan tailors wireless solutions to various environments, including indoor coverage, mission-critical applications, and private enterprise networks. | Healthcare & BiotechIndustrial & Manufacturing | Portfolio page | ||
| Allos uses advanced AI modeling to reduce experimentation, spend, and time to market for drug formulation and development | Healthcare & Biotech | Portfolio page | ||
| Aptean delivers industry-specific ERP, supply chain, logistics, and asset management software | Enterprise SoftwareAI & Machine Learning | Portfolio page | ||
| Portfolio page | ||||
| Portfolio page | ||||
| Axellio provides data intelligence solutions, including software-based platforms for capturing, managing, and understanding data | CybersecurityAI & Machine Learning | Portfolio page | ||
| Baja Fresh makes and sells Mexican food, including burritos, tacos, and salads. | Food & Agriculture | Portfolio page | ||
| Benefitfocus helps employers streamline administration, connect employee and carrier data and measure the impact of their benefits programs. | Healthcare & Biotech | Portfolio page | ||
| The company provides institutional corporate bond trading, market data, and connectivity services. | FintechFintech | Portfolio page | ||
| Brightcom Group consolidates Ad-tech, Media and IoT based businesses across the globe, primarily in the digital eco-system. | Media & EntertainmentConsumer | Portfolio page | ||
| Portfolio page | ||||
| The company guides members to better health, boosts engagement, consolidates benefits, and contains costs through a healthcare navigation app and services. | Healthcare & Biotech | Portfolio page | ||
EducationHealthcare & Biotech | Portfolio page | |||
| Celestica is a technology leader dedicated to driving customer success and market advancements with expertise in design, engineering, manufacturing, supply chain and platform solutions | Industrial & ManufacturingAI & Machine Learning | Portfolio page | ||
| Centric Software provides product lifecycle management and other related solutions to help companies manage their products from concept to commercialization | ConsumerEnterprise Software | Portfolio page | ||
| Portfolio page | ||||
| Cheddar's Scratch Kitchen is a restaurant that serves various food items and offers online ordering and delivery services. | Food & Agriculture | Portfolio page | ||
| Circle provides a full-stack platform for the internet financial system, offering various financial services and tools for enterprises, institutions, and developers. | FintechFintech | Portfolio page | ||
Healthcare & Biotech | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- oakvc.com
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Companies checked
- 91
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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