The Halo Fund
VC Fund
Mountain View, United States
The Halo Fund is a venture capital firm that offers early-stage investment services to technology startups. It was founded in 2000 by Carol Sands and is based in California.
- Total investments:
- 15
- Last investment:
- Lead investor:
- 20%
Last updated:
For AI agents: llms.txt
Industries The Halo Fund invests in
SoftwareVideoPrivacyPublishingHealth Care
Stages The Halo Fund invests in
Series ASeries BAngelSeries CSeries D
Countries The Halo Fund invests in
United StatesCanadaUnited Kingdom
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Investment Focus
Industry
- Software 3 (20%)
- Video 2 (13%)
- Privacy 2 (13%)
- Publishing 2 (13%)
- Health Care 2 (13%)
Stage
- Series A 3 (20%)
- Series B 3 (20%)
- Angel 1 (7%)
- Series C 1 (7%)
- Series D 1 (7%)
Country
- United States 8 (53%)
- Canada 1 (7%)
- United Kingdom 1 (7%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Carol Sands
Founder
|
Founder | Total investments: 1 | Find email | |
Craig Sirnio
partner & member
|
partner & member | Total investments: 0 | Find email | |
Ed Esber
Co-Managing Partner
|
Co-Managing Partner | Total investments: 0 | Find email | |
Edward Esber
Co-Managing Partner
|
Co-Managing Partner | Total investments: 0 | Find email | |
Leif Langensand
Administrative Partner & CFO
|
Administrative Partner & CFO | Total investments: 0 | Find email | |
| See all 7 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Mariana Minerals
|
Mariana Minerals is a software-first critical minerals company that supplies materials essential for modern energy, AI, and defense applications. The company uses its proprietary platform, MarianaOS, which combines AI, machine learning, and end-to-end project execution tools to accelerate the timeline from discovery to production in the miningsector. | $310M / Series B / Aug 03, 2026 | |
Flex
|
Flex is a financial technology company that offers an end-to-end finance platform that integrates business and personal finance management. Their services include business banking with zero monthly fees, 1% cashback on eligible purchases, and high-yield accounts with up to 2.99% APY on idle cash. They provide a business credit card featuring 0%interest for 60 days on eligible purchases, unlimited cashback, and flexible rewards. Flex also offers accounts payable automation with features like fraud prevention, AI-powered bill scanning, and real-time payment tracking. Additionally, their platform supports global payments across over 180 countries in 32 currencies, catering to businesses with international operations. | $70M / Series B / Jul 14, 2026 | |
|
Flex
|
Flex is a financial technology company that offers an end-to-end finance platform that integrates business and personal finance management. Their services include business banking with zero monthly fees, 1% cashback on eligible purchases, and high-yield accounts with up to 2.99% APY on idle cash. They provide a business credit card featuring 0%interest for 60 days on eligible purchases, unlimited cashback, and flexible rewards. Flex also offers accounts payable automation with features like fraud prevention, AI-powered bill scanning, and real-time payment tracking. Additionally, their platform supports global payments across over 180 countries in 32 currencies, catering to businesses with international operations. | $70M / Series B / Jul 14, 2026 | |
1Password
|
1Password is a secure, convenient password manager, providing businesses and families a safe way to share passwords, credit cards, and documents. It keeps important information secure with AES 256-bit encryption. With 1Password, users can keep all kinds of information easily organized with convenient categories and tags and find what they need witha customizable search.Founded in 2005, 1Password remembers and fills web forms with passwords, credit card information, and addresses—with a single click. It is focused on making security convenient and keeping customers happy. It is headquartered in Toronto, Ontario in Canada. | $100M / Secondary Market / Oct 10, 2025 | |
Komodo Learning
|
Komodo Learning is an online mathematics home learning app for children. It focuses on publishing effective mathematics apps that works in the home environment. It' is effective, adaptive, and fun to use, but importantly it doesn't hook kids to the screen. The idea is that kids use it for a short time then go out and play. This isimportant considering new generations of kids with health and weight problems. Komodo Learning also focus on giving parents control over rewarding kids. Parents are the chief motivators without whom learning wouldn't be effective. So there are cool roles and systems for keeping parents at the heart of the learning.Komodo Learning was founded on 2013 and is headquartered in Belfast, United Kingdom. | $295K / Angel / Mar 17, 2015 | |
Ensighten
|
Ensighten is a comprehensive website security company, offering next generation client-side protection against data loss, ad injection and intrusion. Through the Ensighten MarSecTM solution, organizations can assess privacy risk and stop unauthorized leakage or theft of data, as well as comply with the CCPA, GDPR and other global data privacyregulations. The MarSecTM platform protects some of the largest brands in the world from data leakage whilst ensuring maximum web page performance. | $15.5M / Series A / Sep 12, 2012 | |
Qumu
|
Qumu is the leading provider of a best-in-class platform to create, manage, secure, distribute and measure the success of live and on demand video for the intelligent enterprise. | $8.8M / Post-IPO Debt / Sep 21, 2010 | |
|
Qumu
|
Qumu is the leading provider of a best-in-class platform to create, manage, secure, distribute and measure the success of live and on demand video for the intelligent enterprise. | $10.7M / Post-IPO Equity / Jul 21, 2008 | |
Sonoma Orthopedics
|
Sonoma Orthopedic Products designs, develops, and delivers proprietary orthopedic implants for physicians to address problematic fractures. The WaviBodyâ„¢ technology platform allows for quick, minimally invasive surgical solutions for active patients. Direct to Bone...Back To Life. | $10M / Series B / May 21, 2007 | |
Catalist Homes
|
Catalist Homes is a real estate company providing a higher quality of client service through professional personnel working out of local offices and backed with tremendous corporate support.A reduction in fees would be meaningless if your home did not achieve its maximum value on the market. The good news for CataList Home's clients isthey not only save thousands of dollars in fees, but yield higher prices and almost identical marketing times than other homes sold in the market. Data from hundreds of CataList sales in Los Angeles and Orange County prove that they achieve the highest sold price to listing priceThe truth is, it does not cost any real estate agent more than 3% to sell a home. Fees in excess of 3% represent an excessive charge to the home seller for the use of a real estate agent involved in an old, inefficient and costly system. Instead, you should be asking: "How can Realtors continue to charge five and six percent commissions (typically eliminating 20-25% of homeowner equity) when the average home is sold in less than 30 days?" When you consider the fact that home prices have virtually doubled in the last five years, how can Realtors keep the commission percentage the same and essentially double their fee? Your conventional agent is asking you for a 100% pay raise in 5 years, and he wants you to pay for it.A 3% commission in 2006 is the same dollar cost as 6% just five years ago when you factor in home appreciation. This is how they offer all the essential service for 3%. | $4.5M / Series D / May 03, 2007 | |
| See all 15 investments → | |||
Co-Investors
The Angels' Forum
8 deals together
Garage Technology Ventures
5 deals together
Storm Ventures
3 deals together
53 Stations
2 deals together
Advanced Technology Ventures
2 deals together
Asset Management Company
2 deals together
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FAQ
What does The Halo Fund invest in?
The Halo Fund invests primarily in Software, Video and Privacy startups, most often at Series A and Series B stage. Most of the 15 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 The Halo Fund?
Public channels for The Halo Fund include the website linked on this profile. 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.
Who are the partners at The Halo Fund?
The team at The Halo Fund includes Carol Sands (Founder), Craig Sirnio (partner & member) and Ed Esber (Co-Managing Partner), among 7 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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