Engine Fund

Rounds

1. Boston Electrometallurgical CorpUndisclosedAnnounced 78 days later3 Mar 2026 · Woburn, MA
2. Boston Electrometallurgical Corp$51MUnclear11 Jul 2025 · Woburn, MA
3. Boston Electrometallurgical Corp$121MFiled before 202510 Feb 2023 · Woburn, MA
4. Form Energy, Inc.$335MFiled before 20254 Oct 2022 · Somerville, MA
5. Via Separations, Inc$37.9MFiled before 202520 Oct 2021 · Watertown, MA
6. Lilac Solutions, Inc.$130MFiled before 202522 Sep 2021 · Oakland, CA
7. Form Energy, Inc.$155MFiled before 202528 Jul 2021 · Somerville, MA
8. Sublime Systems, Inc.$5.86MFiled before 202517 May 2021 · Somerville, MA
9. Form Energy, Inc.$76MFiled before 202531 Mar 2021 · Somerville, MA
10. VEIR, Inc.$11MFiled before 20254 Mar 2021 · Boston, MA
11. Boston Electrometallurgical Corp$50.1MFiled before 20254 Jan 2021 · Woburn, MA
12. Lilac Solutions, Inc.$23.3MFiled before 202520 Feb 2020 · Oakland, CA
13. Form Energy, Inc.$40MFiled before 202522 Aug 2019 · Somerville, MA
14. Cellino Biotech Inc$2.5MFiled before 20259 Aug 2019 · Cambridge, MA
15. Cellino Biotech Inc$1.5MFiled before 20259 Aug 2019 · Cambridge, MA
16. Via Separations, Inc$4.12MFiled before 202519 Mar 2019 · Cambridge, MA
17. Boston Electrometallurgical Corp$19.1MFiled before 20252 Jan 2019 · Woburn, MA
18. Form Energy, Inc.$1.58MFiled before 20259 May 2018 · Cambridge, MA
19. Baseload Renewables, Inc.$2MFiled before 202519 Sep 2017 · Cambridge, MA
20. CarrierEQ, Inc.$1.14MFiled before 20251 Aug 2016 · Allston, MA

By year

Raises are checked for an announcement from 2025 on.

Funds

The firm's own fund filings, each at its latest filing.