Philip O'Connor
Co-Founder & Managing Partner @ Blackhorn Ventures
San Francisco, United States
Philip O'Connor is a seed investor at Blackhorn Ventures in San Francisco focused on Software and Enterprise Software. Phil is a Co-Founder and Managing Partner at Blackhorn Ventures, an early stage venture fund investing in technology that increases the resource efficiency of essential industries. Prior to Blackhorn, Phil was co-founder and CEO of PAX Pure, an industrial water treatment company. For the past five years Philip has been an investor and advisorfocusing on improving natural resource use.
- Total investments:
- 13
- Last investment:
- Lead investor:
- 46%
Last updated:
For AI agents: llms.txt
Industries Philip O'Connor invests in
Stages Philip O'Connor invests in
Countries Philip O'Connor invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1M–$7.5M
- Series A
- $2.7M–$15M
- Venture - Series Unknown
- $2.5M–$13M
Investment Focus
Industry
- Software 4 (31%)
- Enterprise Software 3 (23%)
- Information Technology 3 (23%)
- SaaS 2 (15%)
- Architecture 2 (15%)
Stage
- Seed 5 (38%)
- Series A 4 (31%)
- Venture - Series Unknown 2 (15%)
- Pre-Seed 1 (8%)
- Convertible Note 1 (8%)
Country
- United States 5 (38%)
- Chile 1 (8%)
- Australia 1 (8%)
- United Kingdom 1 (8%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Ridepanda is an online e-ride shop that offers electric vehicles with maintenance support and theft protection. | $12.6M / Venture - Series Unknown / Oct 29, 2025 | ||
| Ridepanda is an online e-ride shop that offers electric vehicles with maintenance support and theft protection. | $7.5M / Seed / Nov 09, 2023 | ||
| Golioth is an IoT platform that empowers engineers to connect hardware to the cloud quickly and securely. With a single, unified API for connecting to the cloud, teams can go from prototype to production in minutes, not months.Think of Golioth as a universal connector. Whatever your hardware setup, we’ll make sure it connects seamlessly to yourideal stack, sends data to the cloud, keeps your product up to date over the air, and scales as you grow. Golioth helps you build securely from the start, from prototype through to production, even as your products evolve and change.With an elegant device SDK and multi-hardware, multi-protocol support Golioth connects you with the most popular cloud providers so you can update your devices from anywhere and control them from the cloud—with security built-in. If you are looking for a cloud-based, flexible IoT solution that can get you from prototype to production up to 30X times faster, and can scale more easily–plus keep it all secure–you’re looking for Golioth. | $4.6M / Seed / May 04, 2023 | ||
| Isometric Technologies is a performance management solution for the supply chain industry. | $15M / Series A / Sep 13, 2022 | ||
| Our planet doesn't have sufficient homes. Our technology will help change that. We're a team of designers, engineers and technologists dedicated to creating a technology platform designed to enable the high-speed design & delivery of quality, sustainable, healthy & affordable housing, globally. | $13.4M / Series A / Sep 12, 2022 | ||
| Gracias a nuestra tecnología aceleramos las ventas de nuestros clientes en Chile, Peru, Colombia y Mexico por los distintos canales de venta online (D2C, Marketplace, etc..). | $2.7M / Series A / Sep 01, 2022 | ||
| Pangeam is an industrial AI platform that anonymously senses human behaviors in the built environment. Pangeam Insights help organizations understand if their space is working for or against their people and prescribes low-to-no cost interventions that can significantly reduce OpEx costs all while improving the employee experience. | $1.3M / Pre-Seed / Oct 01, 2021 | ||
| Gracias a nuestra tecnología aceleramos las ventas de nuestros clientes en Chile, Peru, Colombia y Mexico por los distintos canales de venta online (D2C, Marketplace, etc..). | $1M / Seed / Sep 01, 2021 | ||
| Our planet doesn't have sufficient homes. Our technology will help change that. We're a team of designers, engineers and technologists dedicated to creating a technology platform designed to enable the high-speed design & delivery of quality, sustainable, healthy & affordable housing, globally. | $6.9M / Convertible Note / Jan 31, 2021 | ||
| GridRaster provides the underlying compute and network stack to power high-end VR/AR experiences on mobile platforms by leveraging the edge cloud. The solution provides high-performance graphics at ultra low latency, while improving the overall performance by 10x. Our vision is to drive the mass adoption of VR/AR by dramatically improvingthe reach of exciting content and bringing breathtaking immersive experiences to users. | $2.5M / Venture - Series Unknown / Jul 22, 2020 | ||
| See all 13 investments → | |||
Co-Investors
About Blackhorn Ventures
Blackhorn Ventures is an early-stage venture firm that invests in companies using cutting edge engineering to improve resource productivity. The firm was founded in 2016 and is headquartered in Denver, Colorado.
Blackhorn Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Jack Fuchs
Co-Founder, Operating Partner
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Bill Ritter
Operating Partner
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David Mindell
Operating Partner
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David Mindell
Operating Partner
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Mark Loch
Operating Partner; Director Strategy and Insights
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FAQ
What does Philip O'Connor invest in?
Philip O'Connor invests primarily in Software, Enterprise Software and Information Technology startups, most often at Seed and Series A stage. Most of the 13 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Philip O'Connor's check size?
Philip O'Connor typically joins rounds of $1M–$7.5M at Seed, $2.7M–$15M at Series A and $2.5M–$13M at Venture - Series Unknown. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Philip O'Connor participates in.
How do I contact Philip O'Connor?
Public channels for Philip O'Connor include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Philip O'Connor last invest?
The most recent investment recorded for Philip O'Connor closed in Oct 2025. Shizune tracks 13 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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