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Read about our latest investments, portfolio news, startup resources, and more! ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏
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AI advancements are unleashing a surge of innovation across every industry, and we’re excited to be backing the visionary founders leading the way. We are more active than ever—averaging a new investment per month—and have expanded our investment team to keep up!
Read more below… New Investments: DataBahn (Series A) + Suite Studios (Series A) + Tensorstax (Seed) Portfolio: UpEquity closed $200M + AtmosphereTV secured $63M New Associates: Kevin Haley and Will Omberg Founder Spotlight: Mike Sanders, Ceretax’s CEO & Co-Founder Helpful Resource: Unit Economics Workbook Job Openings: 70+ opportunities across our portfolio
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S3 Invests in Databahn’s $17M Series AWe are thrilled to participate in Databahn.ai’s $17M Series A led by Forgepoint Capital and joined by GTM Capital! Co-founders Nanda Santhana and Nithya Nareshkumar are redefining how enterprises manage the explosion of security and operational data in today’s AI age. READ MORE → |
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S3 Co-Leads Suite Studios Series AWe are proud to co-lead Suite Studios’ $10M Series A—alongside Grotech Ventures—and with support from Bonfire Ventures, Range Ventures, and Massive! The Suite platform delivers real-time media access through cloud-native file streaming, giving distributed teams the speed and flexibility they need to collaborate at scale. This means less overnighting hard drives and more virtual collaboration—a huge win for the industry! READ MORE → |
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S3 Backs TensorStax in $5M SeedWe joined Glasswing Ventures and Bee Partners in backing TensorStax’s Seed round and can’t wait for what’s in store! Co-founders Aria Attar and Biraj Silwal are reimagining enterprise data engineering with AI agents that deterministically manage complex engineering tasks and deliver production-grade performance. READ MORE → |
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UpEquity Closes $200M FacilityUpEquity can now support up to $1B in mortgage originations through a new $200M facility from Silicon Valley Bank and Setpoint Capital—so more homebuyers can move faster, utilize equity purposefully, and close with confidence! READ MORE → |
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AtmosphereTV Secures $63M in Growth CapitalCongratulations to the team at Atmosphere TV on raising $63M from Trinity Capital! Their 30+ dynamic, audio-optional channels are redefining entertainment in tens of thousands of bars, restaurants, gyms, airports, and businesses of all types. READ MORE → |
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CereTax Launches New Startup ProgramCrafted for fast growing companies, CereTax for Startups streamlines sales and use tax calculations, compliance, and integrations, with support by responsive and knowledgeable tax pros. Click below 👇 to check it out and mention S3 Ventures for special pricing! READ MORE → |
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Endovascular Engineering has completed enrollment in its pivotal ENGULF IDE study—bringing its Hēlo™ system one step closer to transforming pulmonary embolism care. KamiwazaAI, in partnership with Intel and the U.S. Department of Homeland Security, has transformed 90 years and 1.3B+ rows of weather data into actionable tools for emergency response. Prokeep is teaming up with FieldPulse to streamline jobsite ordering and communication, bringing real-time access and efficiency to contractors where it counts. Liquibase CFO Drew Johnson was named 2025 Best CFO by Austin Business Journal! Interplay Learning and QbDVision have been named among the “20 Austin Companies That Are Great Places to Work.” LeanDNA has been honored with the 2025 Top Supply Chain Projects Award by Supply & Demand Chain Executive. HYAS earned nine awards from Cyber Defense Magazine! Hydrolix earned the Momentum Award from the Technology Association of Oregon. Mavvrik partnered with R Systems—unlocking visibility to help teams optimize spend, automate chargebacks, and forecast with confidence. Videate Unveiled “Studio”—an AI-powered platform that can instantly update SaaS product videos.
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Kevin joins us with startup and product management experience at Starburst Data. LEARN ABOUT KEVIN → |
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Will joins us from Jefferies—where he advised tech companies on M&A and equity financings. LEARN ABOUT WILL → |
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- OTHER TEAM NEWS - Eric joined the Driving Alpha podcast to share lessons from his time as a startup CEO, operator, and investor.🎙️Listen in Here Aaron joined Ventures with Grace to discuss Texas startups, B2B software, and share sustainable growth strategies. 📽️ Catch their Replay Aaron joined Christopher Kennamer to dive into agentic workflows, RaaS economics, and what orchestrated autonomy could look like in 2025. ⭐ Explore their Deep Dive
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Mike Sanders: CereTaxWe caught up with Mike, the Co-Founder and CEO of CereTax, to share his founder journey and lessons learned from scaling sales tax startups. READ ABOUT MIKE → |
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Unit Economics WorkbookUnderstand your unit economics and track progress over time with our cohort-based Excel tool—built to help you calculate CAC, LTV, payback, and retention.
DOWNLOAD NOW → |
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Good things happen when great minds meet—which is why we love bringing Austin’s startup leaders together for curated events throughout the year! From co-hosting an HR leaders dinner with Justworks (and catching Nikki Glaser live) to buzzing morning coffees with finance and ops execs at Mozart’s, and a packed happy hour with product and engineering pros at Hold Out Brewing—our community continues to show up, grow, connect, and make innovation fun. Next up? We’re looking forward to our GTM Happy Hour in September! Let us know if you’re a start-up Founder or C/VP-level Executive and would like to attend! 🎟️REQUEST AN INVITATION → |
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Steve Wardle joins BrainCheck as President. As Founder and former CEO of Iris Healthcare, he brings deep experience building and scaling care delivery—further strengthening their ability to deliver AI-powered cognitive care at scale. |
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Preston Wood joins DataBahn as Chief Security and Strategy Officer. A 3x CISO and 2x CTO, he brings decades of experience leading security and tech strategy. |
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Payman Faed joins DataBahn as Senior Vice President of Sales. A proven sales leader with experience at Lumifi and Castra, he brings deep expertise in scaling channel programs and driving GTM success. |
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Trevor Crompton joins DataBahn as Vice President of Sales, EMEA. With 30+ years in IT and cybersecurity, he brings deep regional expertise and a track record of leading high-performing teams. |
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Elaine Cannizzaro joins BrainCheck as Vice President of Operations. With 20 years in care planning, she brings both operational expertise and a deep personal commitment to supporting dementia patients and their caregivers. |
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Robert Terrell joins BrainCheck as Vice President of Product Development. With over 16 years in the pharmacy industry and recent leadership at Outcomes, he offers a strategic take on product in the digital health sector. |
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Marc Schriftman joins LeanDNA as VP of Engineering. He brings deep experience leading high-performing teams at companies like Spredfast, Arrive Logistics, and AffiniPay. |
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Whitney Pung joins QbDVision as Director of Account Management. With nearly a decade of experience at Johnson & Johnson and Accenture, she brings deep technical knowledge and a passion for enabling Digital CMC transformations. |
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Christine Meyers joins Liquibase as Product Marketing Director. From Lacework to Apollo GraphQL, she’s built a track record of translating complex products into clear value, earning trust across both technical and commercial teams. |
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Check out the 70+ opportunities on our Job Board and join our Talent Network to be discovered by our entire portfolio of companies. When you join our Talent Network, you can also opt-in to receive alerts about new postings. JOIN OUR TALENT NETWORK →
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We invest in Seed, Series A, and Series B companies with checks ranging from $500K to $10M.
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