Draft:Glasswing Ventures

Glasswing Ventures
Company type
Private
IndustryVenture capital
Founded2016
HeadquartersBoston, Massachusetts, United States
Key people
Rudina Seseri (Co-Founder, Managing Partner)
Rick Grinnell (Co-Founder, Managing Partner)
Kleida Martiro (Managing Director)
AUMUS$473 million (2025)
Websiteglasswing.vc

Glasswing Ventures is an American venture capital firm headquartered in Boston, Massachusetts. Founded in 2016, the firm invests in early-stage enterprise artificial intelligence, frontier technology, and cybersecurity companies.[1][2] As of November 2025, Glasswing manages approximately $473 million in assets.[3]

History

Glasswing Ventures was founded in 2016 by Rudina Seseri and Rick Grinnell, who previously worked together at Fairhaven Capital.[4][5] The firm was established to focus on enterprise software and security companies developing artificial intelligence and other frontier technology products.[4][5] The firm's investment team also includes Managing Director Kleida Martiro.[6]

In July 2018, Glasswing closed its first fund at $112 million.[7] In September 2022, it closed a second fund at $158 million.[1] In November 2025, the firm closed its third fund at $203 million.[2][8]

The firm operates two advisory councils: the Connect Council, composed of business leaders and AI specialists who assist portfolio companies with enterprise adoption, and the Protect Council, which specializes in cybersecurity, regulatory compliance, and risk management.[9][10] As of 2026, the combined advisory network comprised over 70 members.[10]

Portfolio focus

Glasswing Ventures primarily invests in pre-seed and seed stage enterprise artificial intelligence, frontier technology, and cybersecurity companies.[1][5] Business Insider has described the firm as prioritizing companies that incorporate machine learning into their core products from the outset.[5]

Notable investments

The firm has invested in companies including Black Kite,[11] Verusen,[12][13] Ship Angel,[14] and Realm Security.[15]

Notable exits include Atlantic Quantum, a developer of superconducting quantum hardware, which was acquired by Google Quantum AI in October 2025;[16] Common Sense Machines, a generative AI company specializing in three-dimensional asset creation, which was acquired by Alphabet Inc. in January 2026;[17] and TensorStax, an agentic AI platform for data pipeline engineering, which was acquired by Snowflake Inc. in February 2026.[18]

References

  1. ^ a b c Sundar, Sindhu (September 8, 2022). "Glasswing Ventures Raises Second $158 Million Fund, Doubling Down on Backing Seed- and Early-Stage AI Tech". Business Insider. Retrieved February 19, 2026.
  2. ^ a b Vartabedian, Marc (November 10, 2025). "Glasswing Defies Market Environment to Raise Third Fund. Here's How". WSJ Pro. Retrieved February 19, 2026.
  3. ^ Bogoslaw, David (November 10, 2025). "Glasswing Ventures raises oversubscribed $203m Fund III". Venture Capital Journal. Retrieved February 20, 2026.
  4. ^ a b Zakrzewski, Cat (July 1, 2016). "Glasswing Ventures Building $150M Artificial-Intelligence Fund". WSJ Pro. Retrieved February 19, 2026.
  5. ^ a b c d Russell, Melia (May 13, 2025). "How Rudina Seseri Stays Ahead of the Investing Curve by Being on the 'Bleeding Edge' of All Things AI". Business Insider. Retrieved February 20, 2026.
  6. ^ "Winning capital for your AI startup? Kleida Martiro is leading the conversation at TechCrunch All Stage". TechCrunch. July 1, 2025. Retrieved February 25, 2026.
  7. ^ Zakrzewski, Cat (July 12, 2018). "Glasswing Ventures Closes $112 Million Fund". WSJ Pro. Retrieved February 19, 2026.
  8. ^ "Glasswing Ventures Raises Oversubscribed $200M Fund III to Accelerate AI-native and Frontier Technology Adoption in the Enterprise". GlobeNewswire. November 10, 2025. Retrieved February 19, 2026.
  9. ^ "Glasswing Ventures Expands Exclusive Advisory Network to Accelerate AI-Native Portfolio Success". GlobeNewswire. July 31, 2025. Retrieved April 5, 2026.
  10. ^ a b "Glasswing Ventures Fuels Portfolio Acceleration with Addition of 14 AI Leaders to Exclusive Advisory Councils". GlobeNewswire. April 1, 2026. Retrieved April 5, 2026.
  11. ^ "Black Kite Raises $22M in Series B Funding". FinSMEs. October 13, 2021. Retrieved February 25, 2026.
  12. ^ Wiggers, Kyle (January 28, 2021). "Verusen raises $8 million to reconcile supply chain data using AI". VentureBeat. Retrieved February 24, 2026.
  13. ^ Wodecki, Ben (January 28, 2022). "AI supply chain startup Verusen raises $25M". AI Business. Retrieved February 20, 2026.
  14. ^ "Ship Angel secures US$5M funding to boost AI-driven operations for BCO shippers". Container News. June 12, 2024. Retrieved February 23, 2026.
  15. ^ Arghire, Ionut (October 9, 2025). "Realm.Security Raises $15 Million in Series A Funding". SecurityWeek. Retrieved February 23, 2026.
  16. ^ Swayne, Matt (October 3, 2025). "Atlantic Quantum Joins Google Quantum AI". The Quantum Insider. Retrieved February 25, 2026.
  17. ^ "Alphabet Inc. acquired Common Sense Machines, Inc". MarketScreener. January 2026. Retrieved February 24, 2026.
  18. ^ "Snowflake Inc. acquired TensorStax Inc". MarketScreener. February 4, 2026. Retrieved February 24, 2026.

Category:Venture capital firms

Category:Financial services companies established in 2016

Category:Companies based in Boston

Category:Artificial intelligence companies

Category:2016 establishments in Massachusetts

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