Certified by Founder Lodge
Fine Structure Ventures
United States - Boston, Massachusetts [MA]
INVESTOR
1 Disclosed Funding Rounds $22,000,000
19 Participating Investments
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Operating Status
Active
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Last Funding Type
Seed
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Company Type
For Profit
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Fine Structure Ventures is a venture capital fund affiliated with FMR LLC, the parent company of Fidelity Investments. We focus on early stage investments in disruptive scientific and techno
| Company | Date | Round | Raised |
|---|---|---|---|
 Feon Energy, Inc. |
June, 28 ,2024 | Seed | $6,100,000 |
 Constructive Bio |
September, 25 ,2024 | Series A | $58,000,000 |
 Mantle |
July, 11 ,2024 | Series C | $20,000,000 |
 Hoxton Farms |
October, 20 ,2022 | Series A | $22,000,000 |
 Femtosense |
September, 29 ,2022 | Series A | $8,000,000 |
| Constructive Bio |
September, 25 ,2024 | Series A | $58,000,000 |
 Finwave Semiconductor, Inc. |
May, 20 ,2025 | Unknown | $8,200,000 |
| Finwave Semiconductor, Inc. |
May, 20 ,2025 | Unknown | $8,200,000 |
 Debut |
June, 02 ,2023 | Series B | $34,000,000 |
 Aalo Atomics |
August, 21 ,2025 | Series B | $100,000,000 |
 VEIR |
July, 31 ,2023 | Series A | $24,900,000 |
 Nitricity |
September, 11 ,2025 | Series B | $50,000,000 |
 Caelux |
August, 15 ,2023 | Series A | $12,000,000 |
| Feon Energy, Inc. |
June, 28 ,2024 | Seed | $6,100,000 |
| Mantle |
July, 11 ,2024 | Series C | $20,000,000 |
| Constructive Bio |
September, 25 ,2024 | Series A | $58,000,000 |
| Finwave Semiconductor, Inc. |
May, 20 ,2025 | Unknown | $8,200,000 |
| Aalo Atomics |
August, 21 ,2025 | Series B | $100,000,000 |
| Nitricity |
September, 11 ,2025 | Series B | $50,000,000 |
Cherry Ventures
Blue Bear Capital
Slow Ventures
Climate Capital
Eniac Ventures
Govstream.ai | $3,600,000 | (Dec 5, 2025)
ZincFive, Inc. | $30,000,000 | (Dec 5, 2025)
imper.ai | $28,000,000 | (Dec 5, 2025)
SPhotonix Inc | $4,500,000 | (Dec 5, 2025)
Brevo | $582,532,500 | (Dec 5, 2025)
