Jim Armstrong
Founding Partner @ March Capital
Santa Monica, United States
Jim Armstrong is a Series A investor at March Capital in Santa Monica focused on Software and Analytics. A successful and experienced early stage venture investor across a variety of enterprise and consumer facing technology companies, Jim has established himself as a leading investor based in Southern California.Jim has applied his experience and industry contacts to help companies deliver a strong record of venture performance. Jim’s investsnationwide and focuses on information technology investments, with particular interest in consumer Internet, application software, and Internet enabled market places. On several occasions, Forbes Magazine has recognized Jim on its “Midas List” as one of the top Venture Capitalists in the United States. Jim co-founded March Capital in 2014 and has been at Clearstone Venture Partners since 1998. Jim worked with Idealab, the incubator, in the late 90s and started his career at Austin Ventures in 1995. Jim's investments at March Capital Partners include Branch, SpyCloud, Lexicon and Vyng.Jim led Clearstone’s ACTIVE investments in SupplyFrame, Vast, and UserTesting, and is on the board of two incubators - The Hive (big data) and The Fabric (cloud networking). Jim actively represented Clearstone’s early stage, “pre-revenue,” investments in former portfolio companies PayPal (acquired by eBay as a public company), United Online (NASDAQ: UNTD), Internet Brands (NASDAQ:INET before being taken private), Integrien (acquired by VMWare), Jump Networks (acquired by Microsoft), Comet Systems (acquired by Miva), TriVida (acquired by BeFree) and Composite Software (acquired by Cisco). Jim is an angel investor in and advisor to many companies, and he sits on the board of the Los Angeles Venture Association.Jim holds a BA in Economics from the University of California at Los Angeles and an MBA from the McCombs School at the University of Texas at Austin.
- Total investments:
- 30
- Last investment:
- Lead investor:
- 37%
Last updated:
For AI agents: llms.txt
Industries Jim Armstrong invests in
Stages Jim Armstrong invests in
Countries Jim Armstrong invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
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Investment Focus
Industry
- Software 5 (17%)
- Analytics 4 (13%)
- FinTech 3 (10%)
- Payments 3 (10%)
- Enterprise Software 3 (10%)
Stage
- Series A 9 (30%)
- Series B 6 (20%)
- Seed 5 (17%)
- Funding Round 5 (17%)
- Series C 3 (10%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Product Science increases product metrics for mobile applications and helps apps work faster by providing insights into key performance issues that impact user experience. It analyzes the code and actual runtime data to pinpoint performance issues. Its AI enables them to do it more efficiently by providing unique insights for data visualizations tohelp mobile developers identify the problem right away. The company's integrated development environment tools and plugins display video recordings of apps alongside performance traces, providing insights into what's going on behind the screen.Product Science was founded in 2021 and is based in Los Angeles, California. | $18M / Seed / Jan 04, 2023 | ||
| Vyng has built a next-generation Caller ID platform that visualizes every call. Vyng is helping start better conversations between friends, family, and businesses for the next half billion smartphone users in India and beyond.Vyng boasts 4 billion videos played across 170 countries since its launch in 2018. The company has raised $7MM and isbacked by March Capital, Omidyar Network, a Sequoia Capital partner, and the founders of Giphy and GroupMe. | $5M / Venture - Series Unknown / Apr 04, 2022 | ||
| SpyCloud transforms recaptured darknet data to protect businesses from cyberattacks. Its products operationalize Cybercrime Analytics (C2A) to produce actionable insights that allow enterprises to proactively prevent ransomware and account takeover, safeguard employee and consumer identities, and investigate cybercrime incidents. Its unique datafrom breaches, malware-infected devices, and other underground sources also powers many popular dark web monitoring and identity theft protection offerings. SpyCloud customers include half of the ten largest global enterprises, mid-size companies, and government agencies around the world. Headquartered in Austin, TX, SpyCloud is home to more than 200 cybersecurity experts whose mission is to make the internet safer with automated solutions that help organizations combat cybercrime.To learn more and see insights on your company’s exposed data, visit spycloud.com. | $30M / Series C / Aug 18, 2020 | ||
| SpyCloud transforms recaptured darknet data to protect businesses from cyberattacks. Its products operationalize Cybercrime Analytics (C2A) to produce actionable insights that allow enterprises to proactively prevent ransomware and account takeover, safeguard employee and consumer identities, and investigate cybercrime incidents. Its unique datafrom breaches, malware-infected devices, and other underground sources also powers many popular dark web monitoring and identity theft protection offerings. SpyCloud customers include half of the ten largest global enterprises, mid-size companies, and government agencies around the world. Headquartered in Austin, TX, SpyCloud is home to more than 200 cybersecurity experts whose mission is to make the internet safer with automated solutions that help organizations combat cybercrime.To learn more and see insights on your company’s exposed data, visit spycloud.com. | $21M / Series B / Feb 27, 2019 | ||
| Vyng has built a next-generation Caller ID platform that visualizes every call. Vyng is helping start better conversations between friends, family, and businesses for the next half billion smartphone users in India and beyond.Vyng boasts 4 billion videos played across 170 countries since its launch in 2018. The company has raised $7MM and isbacked by March Capital, Omidyar Network, a Sequoia Capital partner, and the founders of Giphy and GroupMe. | $4M / Series A / Dec 13, 2018 | ||
| SpyCloud transforms recaptured darknet data to protect businesses from cyberattacks. Its products operationalize Cybercrime Analytics (C2A) to produce actionable insights that allow enterprises to proactively prevent ransomware and account takeover, safeguard employee and consumer identities, and investigate cybercrime incidents. Its unique datafrom breaches, malware-infected devices, and other underground sources also powers many popular dark web monitoring and identity theft protection offerings. SpyCloud customers include half of the ten largest global enterprises, mid-size companies, and government agencies around the world. Headquartered in Austin, TX, SpyCloud is home to more than 200 cybersecurity experts whose mission is to make the internet safer with automated solutions that help organizations combat cybercrime.To learn more and see insights on your company’s exposed data, visit spycloud.com. | $5M / Series A / Mar 28, 2018 | ||
| Invoicing, bill pay, and cash flow management for small businesses. | $5M / Series B / Nov 15, 2017 | ||
| Vyng has built a next-generation Caller ID platform that visualizes every call. Vyng is helping start better conversations between friends, family, and businesses for the next half billion smartphone users in India and beyond.Vyng boasts 4 billion videos played across 170 countries since its launch in 2018. The company has raised $7MM and isbacked by March Capital, Omidyar Network, a Sequoia Capital partner, and the founders of Giphy and GroupMe. | $3M / Seed / Oct 10, 2017 | ||
| Pensa Maestro is an intelligent system that delivers virtual IT Infrastructure in minutes. Born in the cloud and designed for the future, Maestro makes it easy to create and deliver virtual data centers. Pensa collapses the cost of IT for the DevOps era. | $4M / Series A / Oct 05, 2017 | ||
| Bridg is a customer data platform that empowers marketers to better understand and reach customers using SKU-level insights. | $11M / Series B / Aug 23, 2017 | ||
| See all 30 investments → | |||
Co-Investors
About March Capital
March Capital is a venture growth firm headquartered in Santa Monica, California and investing globally since 2014. March identifies entrepreneurs with a provocative vision to companies poised, then dares to go all in by leading rounds with deep conviction and concentration risk. With $1B+ in capital over 4 funds and across 30 market technologycompanies, March accelerates the digital transformation of Cloud-based software, automation, AI, and IT infrastructure. Its vision is to create a technology investment platform by combining intense sector focus, patience, access to a network (including founding The Montgomery Summit), and portfolio engagement to inspire and accelerate extraordinary companies.
March Capital Contacts
| Name | Phone | Socials | |
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Brad Weirick
Partner and General Counsel
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Cisco Liquido
Vice President
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Dana Moraly
Partner/Chief Financial & Administrative Officer
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Gregory Milken
Co-Founder and Managing Partner
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Hyun Koo
Partner
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FAQ
What does Jim Armstrong invest in?
Jim Armstrong invests primarily in Software, Analytics and FinTech startups, most often at Series A and Series B stage. Most of the 30 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Jim Armstrong?
Public channels for Jim Armstrong include LinkedIn and X (Twitter). 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 Jim Armstrong last invest?
The most recent investment recorded for Jim Armstrong closed in Jan 2023. Shizune tracks 30 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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