Rationalwave Capital Partners
VC Fund
Scarsdale, United States
Rationalwave Capital Partners is a venture capital firm investing in technology companies both public and private. The firm is located in New York and founded by Mark Rosenblatt in 2003.
- Total investments:
- 12
- Last investment:
- Lead investor:
- 25%
Last updated:
For AI agents: llms.txt
Industries Rationalwave Capital Partners invests in
Stages Rationalwave Capital Partners invests in
Countries Rationalwave Capital Partners invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $1.3M–$8.8M
Investment Focus
Industry
- Software 3 (25%)
- Analytics 3 (25%)
- Machine Learning 3 (25%)
- Artificial Intelligence 3 (25%)
- SaaS 2 (17%)
Stage
- Seed 10 (83%)
- Pre-Seed 1 (8%)
- Funding Round 1 (8%)
Country
- United States 9 (75%)
- Israel 1 (8%)
- Trinidad and Tobago 1 (8%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Mark Rosenblatt
Founder and CEO
|
Founder and CEO | Total investments: 2 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Brij is a software platform that bridges the offline and online for omnichannel brands. | $1.3M / Pre-Seed / Jun 15, 2021 | ||
| BactoByte aims to empower caregivers with one-hour bacterial diagnostics and antibiotic screening capability to improve outcomes, reduce mis-diagnostics, and lower health care costs.Based on a proprietary novel basic method, BactoByte’s assay delivers precise and cost-effective identification and direct antibiotics susceptibility testing with80-90% improvement of standard turnaround time.Time reduction, sensitivity, and specificity results in decreased mortality rates, fewer hospital days, and avoidance of associated costs of $1K-50K per patient.BactoByte has technology validation and partnerships with leading medical centers. | Seed / Jul 01, 2019 | ||
| Aromyx has built a platform for the digital capture of scent and taste – including the EssenceChip™ taste and scent sensor – that puts the human olfactory and taste receptors onto a disposable biochip, with a digital readout.The Aromyx platform includes the Allegory software suite, AromaGraph family of visual analytics, recommendedtaste/scent recording standards, access to the growing Aromyx online database of taste and scent data and related machine-learning algorithms.Unlike chemical sensors or mass spectrometry, the Aromyx EssenceChip system shows the biochemical signals that a cup of coffee, a sniff of perfume or a glass of wine send to the brain, as mediated by the human nose and tongue. | $3M / Seed / Jun 26, 2019 | ||
| Insurify is an internet company that features a software platform that specializes in car insurance. Its software platform utilizes artificial intelligence, language processing, and chatbots it provides personalized recommendations that help its users to decide about their car insurance.It was founded in 2013 and is headquartered in Cambridge,Massachusetts. | $2M / Seed / Jan 28, 2016 | ||
| Xometry is a AI-enabled marketplace for on-demand manufacturing, transforming one of the largest industries in the world. Xometry uses its proprietary technology to create a marketplace that enables buyers to efficiently source on-demand manufactured parts and assemblies, and empowers sellers of manufacturing services to grow their businesses. | $8.8M / Seed / Nov 05, 2015 | ||
| StatSocial is a premier provider of social data, enabling brands and publishers to understand, segment, and target their audiences on the web. StatSocial was founded in 2013 and is headquartered in New York City. | $1.3M / Seed / Feb 03, 2015 | ||
| Their mission is to deliver a skate sharpening product that allows every hockey player to maintain their own skates at peak performance anywhere and at anytime. Founded in 2013, The Sparx Hockey team is passionate about every detail and laser focused on execution. | Seed / Jan 01, 2015 | ||
| SpinCar offers automotive dealers, OEMs and online marketplaces the industry’s most advanced platform for digital automotive merchandising. The company’s 360° WalkAround® and Feature Tour™ technology builds trust between buyers and sellers by bringing the physical showroom experience to car shoppers wherever and whenever they want. SpinCar’sproprietary shopper behavioral data and VINtelligent® Retargeting solution enable dealers to deliver hyper-personalized interactions across the entire car shopping journey. To date, more than 200 million virtual WalkArounds have been experienced by car shoppers across more than 15 countries. | $4M / Seed / Feb 11, 2014 | ||
| Formulus Black is a venture-backed startup, launched by founders with previous startup success, years of experience, and an ambitious vision to revolutionize computing. | Seed / Jan 01, 2014 | ||
| ShopAdvisor enables agencies, brands, retailers, and shopping malls to power mobile, and other digital shopping experiences that drive consumers’ path to purchase in brick-and-mortar locations.The ShopAdvisor intelligence platform continually catalogues millions of data points including contextualized shopper, product and location informationand applies deep data analytics to deliver each consumer a uniquely personalized and individualized shopping experience that spans from the point of discovery into the store. | $5M / Seed / Aug 16, 2013 | ||
| See all 12 investments → | |||
Co-Investors
Beta Fund
2 deals together
Pittco Capital Partners
2 deals together
StartFast Ventures
2 deals together
Ulu Ventures
2 deals together
Bantam Group
1 deal together
CE Ventures (CEIIF)
1 deal together
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FAQ
What does Rationalwave Capital Partners invest in?
Rationalwave Capital Partners invests primarily in Software, Analytics and Machine Learning startups, most often at Seed and Pre-Seed stage. Most of the 12 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Rationalwave Capital Partners invest in?
Rationalwave Capital Partners typically joins rounds of $1.3M–$8.8M at Seed. These are whole funding-round sizes, not Rationalwave Capital Partners's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Rationalwave Capital Partners took part in.
How do I contact Rationalwave Capital Partners?
Public channels for Rationalwave Capital Partners include LinkedIn and 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 Rationalwave Capital Partners?
The team at Rationalwave Capital Partners includes Mark Rosenblatt (Founder and CEO). 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 Nov 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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