Glasswing Ventures, LLC
SEC exempt reporting adviser (venture capital exemption).
- Website
- https://glasswing.vc
- HQ
- MA
Glasswing Ventures, LLC invests in visionary, early-stage founders who aim to reinvent enterprise and security markets using AI and frontier technology. Its team includes Founder and Managing Partners Rudina Seseri and Rick Grinnell, along with Managing Director Kleida Martiro, Partner Vlad Sejnoha, and several principals and investment professionals.
01 · Says / Does
| Tag | Says | Does | Historically (to 2020) |
|---|---|---|---|
| Stages | Not stated | Not enough dated deals | Seed, Series A |
| Sectors | Cybersecurity, Enterprise SaaS | Not enough dated deals | AI applications, Cybersecurity, Data analytics, Enterprise SaaS, Hardware |
| Regions | Not stated | Not enough dated deals | MA |
Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.
Historical focus (through 2020), derived from historical deal data.
| Year | Deals | Top sectors |
|---|---|---|
| 2017 | 2 | AI applications, Cybersecurity, Enterprise SaaS |
| 2018 | 8 | AI applications, Cybersecurity, Data analytics |
| 2019 | 2 | Data analytics, Consumer, Cybersecurity |
| 2020 | 2 | AI applications, Cybersecurity, Enterprise SaaS |
Stage mix over time
- Pre-seed
- Seed
- Series A
- Series B
- Growth
| Year | Pre-seed | Seed | Series A | Series B | Growth |
|---|---|---|---|---|---|
| 2017 | 0 | 0 | 2 | 0 | 0 |
| 2018 | 0 | 5 | 2 | 0 | 0 |
| 2019 | 0 | 2 | 0 | 0 | 0 |
| 2020 | 0 | 2 | 0 | 0 | 0 |
| 2021 | 0 | 0 | 0 | 0 | 0 |
| 2022 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 0 | 0 | 0 | 0 | 0 |
| 2025 | 0 | 0 | 0 | 0 | 0 |
| 2026 | 0 | 0 | 0 | 0 | 0 |
02 · Fund history
| Fund | Year | Size | Status |
|---|---|---|---|
| Glasswing Ventures III, L.P. Glasswing Ventures invests in visionary, early-stage founders who push the boundaries of possibility to reinvent enterprise and security markets using AI and frontier technology. Inferred from the firm's website | 2024 | $203.29M (Form D) | Open, writing first checks |
| Glasswing Ventures II, L.P. | 2020 | $158.09M (Form D) | Follow-ons only |
03 · People across funds
- Richard Grinnell, Manager of the General Partner of the Issuer
Glasswing Ventures III, L.P. (Named on Form D); Glasswing Ventures II, L.P. (Named on Form D)
- Rudina Seseri, Founder and Managing Partner
Glasswing Ventures III, L.P. (Named on Form D); Glasswing Ventures II, L.P. (Named on Form D)
- Ali Mahmoud, Principal
Glasswing Ventures III, L.P. (Team); Glasswing Ventures II, L.P. (Team)
- Esther Lovett, Senior Investment Associate
Glasswing Ventures III, L.P. (Team); Glasswing Ventures II, L.P. (Team)
- Jack Canavan, Senior Investment Analyst
Glasswing Ventures III, L.P. (Team); Glasswing Ventures II, L.P. (Team)
- James Massaquoi, Senior Investment Associate
Glasswing Ventures III, L.P. (Team); Glasswing Ventures II, L.P. (Team)
- Kleida Martiro, Managing Director
Glasswing Ventures III, L.P. (Team); Glasswing Ventures II, L.P. (Team)
- Rick Grinnell, Founder and Managing Partner
Glasswing Ventures III, L.P. (Team); Glasswing Ventures II, L.P. (Team)
- Vlad Sejnoha, Partner
Glasswing Ventures III, L.P. (Team); Glasswing Ventures II, L.P. (Team)
- Jack Pan, Senior Investment Analyst
On the team page, not linked to a fund
04 · Recent deals
No dated deals found yet.
05 · Latest from the firm
No news from the firm's website yet.
06 · Sources
- https://glasswing.vc
- https://glasswing.vc/
- https://glasswing.vc/our-team/
- https://glasswing.vc/our-companies/
Fund dates and sizes are from SEC Form D filings.
Last verified: Oct 28, 2026