June 2026’s Top Startup Events in Boston

June is keeping the momentum going across Boston’s startup ecosystem, with founders, operators, investors, researchers, and ecosystem builders gathering for a packed month of networking, innovation, and high-signal conversations. 

From climatetech and robotics to life sciences, AI, quantum computing, and founder-focused community events, this month is all about deepening connections and exploring the technologies and ideas shaping what’s next. As summer kicks off, the ecosystem is leaning into smaller curated gatherings, industry-specific conversations, and intentional opportunities to collaborate across sectors.

Startup Boston is helping drive that energy forward with a series of community-powered events designed to connect the people actively building across the ecosystem. Here are a few to keep on your radar:

• Meet the Accelerators & Incubators of Boston's Startup Scene (June 8) - meet over a dozens accelerators and incubators based in the Greater Boston startup scene 

• She Builds Boston: brewing bold ideas (June 10) - a coffee mixer for female investors and female founders of product-driven startups (software, hardware, life science, consumer product)

• Dealflow Mixer: Connecting Investors & Founders (June 11) - an invite-only mixer for founders actively raising and investors actively deploying capital 

• Mentor Matching for Early-Stage Founders (June 15) - small group discussions matching founders and mentors tackling the problems keeping you up at night 

• Founders' Breakfast: Life Science & BioTech Edition (June 17) - an intimate breakfast for founders 

Whether you’re fundraising, exploring emerging technologies, looking to meet potential collaborators, or simply trying to plug deeper into the startup community, June offers no shortage of ways to get involved. Below is a roundup of some of the top startup events happening across Greater Boston and New England this month, each one designed to help attendees learn, connect, and build alongside the people shaping the future.

June’s Top Startup Events 

ABI-LAB Block Party

Date: Wednesday June 3 from 4pm - 7pm; Learn more and register

Organizer: ABI-LAB

ABI-LAB’s 4th Annual Block Party brings together life science professionals for an evening of networking, community, and summer fun. The free event will feature food, drinks, music, yard games, and a remote-control racing course, creating a relaxed environment for attendees to connect with others across the life sciences ecosystem. 

HubSpot Community Happy Hour @ Cambridge HQ

Date: Wednesday, June 3 from 4pm - 6pm; Learn more and register

Organizer: HubSpot Community 

This community gathering brings local HubSpot users together for an evening of conversation, connection, and networking beyond the screen. Designed as a casual, agenda-free event, attendees will have the opportunity to meet fellow community members, exchange ideas, and build relationships in person over drinks and good conversation. 

June EnergyBar

Date: Thursday, June 4 from 5:30pm - 7:30pm; Learn more and register

Organizer: Greentown Boston

Celebrates the growing cross-border collaboration between the Canadian and Boston climatetech ecosystems. Bringing together founders, innovators, and ecosystem leaders, the evening will highlight how Canada’s commitment to climatetech innovation and international partnership is helping startups scale faster and drive global impact. 

Tech Innovation Summit

Date: Tuesday, June 9; Learn more and register

Organizer: The Boston Globe

This summit brings together the region’s top technology leaders across AI, Climate Tech, Health Tech, Fintech, and beyond for a day of networking, collaboration, and conversations around Boston’s global impact on innovation. Through expert-led panels, dynamic discussions, pitch competitions, and interactive programming, attendees will explore the breakthroughs and technological advancements emerging from the Boston ecosystem.

Concepts in Financial Model Building

Date: Tuesday, June 9 from 3pm - 5:30pm; Learn more and register

Organizer: Launchpad Venture Group

This session will teach you how to build real fluency in the models investors actually care about. Covering the 5-year bottom-up model, projected cash flows, the underlying businses model, the levers of profitability and much more.

Robotics Founders & Funders Capital Forum

Date: Wednesday, June 10 from 3pm - 6:30pm; Learn more and register

Organizer: MassRobotics

​A private gathering of founders and funders shaping the future of robotics for a candid look at today’s investment landscape. Featuring market insights from JP Morgan, a panel of robotics executives who have successfully scaled, and a fireside chat with industry investors. This session is designed to surface what’s currently shaping capital and innovation right now.

Space Summit 2026

Date: Tuesday, June 16 - Thursday, June 18; Learn more and register

Organizer: Space Force Association Boston 

A three-day forum focused on evaluating the current state of the Northeast space ecosystem and advancing strategies to strengthen resilience, performance, and survivability across critical space services. Through strategic, operational, and technical discussions, the program will examine how resilient space systems support broader modernization priorities and mission-critical initiatives across both commercial and military sectors.

Open Coffee

Date: Wednesday, June 24 from 8:30am - 10:00am; Learn more and register

Organizer: RI Hub

A casual monthly gathering where entrepreneurs, innovators, and creatives come together over coffee and conversation in Providence, RI. The event offers a welcoming space for organic networking, idea-sharing, and meaningful connections with founders, investors, and business leaders. Whether attendees are seasoned entrepreneurs or just getting started, Open Coffee is designed to spark collaboration, insight, and new opportunities.

Quantum, AI & HPC: Redefining What’s Possible

Date: Thursday, June 25 - Friday, June 26; Learn more and register

Organizer: Quantum.Tech World

Brings together leaders across quantum computing, AI, and high-performance computing to explore the technologies already reshaping industries including healthcare, finance, climate, logistics, and national security. 

Check out our full event calendar right here to stay connected with the Boston startup community. Also, remember to subscribe to our newsletter using the form below for monthly updates!