Certified by Founder Lodge
645 Ventures
United States - New York, New York
INVESTOR
1 Disclosed Funding Rounds $50,000,000
261 Participating Investments
-
Operating Status
Active
-
Last Funding Type
Seed
-
Company Type
For Profit
- Website
- Contact
- Social Links
645 Ventures is an early-stage venture capital firm that partners with exceptional founders who are building iconic companies. We manage $550m AUM, and we invest at the Seed and Series A stag
| Company | Date | Round | Raised |
|---|---|---|---|
 HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
 Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
 AaDya Security |
April, 27 ,2023 | Series A | $5,000,000 |
 Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
 Shop Circle |
September, 06 ,2023 | Series A | $120,000,000 |
 Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
 InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
 Lunchbox |
February, 01 ,2022 | Series B | $50,000,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
 Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Lunchbox |
February, 01 ,2022 | Series B | $50,000,000 |
 ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
 Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
 Momos |
September, 20 ,2024 | Series A | $10,000,000 |
 Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
| AaDya Security |
April, 27 ,2023 | Series A | $5,000,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Shop Circle |
September, 06 ,2023 | Series A | $120,000,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| AaDya Security |
April, 27 ,2023 | Series A | $5,000,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
 Causely |
June, 30 ,2023 | Seed | $8,800,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| Lunchbox |
February, 01 ,2022 | Series B | $50,000,000 |
 Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| AaDya Security |
April, 27 ,2023 | Series A | $5,000,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Causely |
June, 30 ,2023 | Seed | $8,800,000 |
 Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| Causely |
June, 30 ,2023 | Seed | $8,800,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
 Efficient Capital Labs |
July, 14 ,2023 | Pre Series A | $7,000,000 |
| Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
 Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Causely |
June, 30 ,2023 | Seed | $8,800,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Efficient Capital Labs |
July, 14 ,2023 | Pre Series A | $7,000,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Efficient Capital Labs |
July, 14 ,2023 | Pre Series A | $7,000,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Shop Circle |
September, 06 ,2023 | Series A | $120,000,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Efficient Capital Labs |
July, 14 ,2023 | Pre Series A | $7,000,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| Shop Circle |
September, 06 ,2023 | Series A | $120,000,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Shop Circle |
September, 06 ,2023 | Series A | $120,000,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
 Clerq |
October, 24 ,2025 | Unknown | $21,000,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Shop Circle |
September, 06 ,2023 | Series A | $120,000,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
| Clerq |
October, 24 ,2025 | Unknown | $21,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Clerq |
October, 24 ,2025 | Unknown | $21,000,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Otto (US) |
November, 14 ,2023 | Unknown | $4,500,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Clerq |
October, 24 ,2025 | Unknown | $21,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| HockeyStack |
November, 17 ,2023 | Seed | $2,700,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| InpharmD |
December, 08 ,2023 | Unknown | $6,005,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Intrinsic |
January, 03 ,2024 | Seed | $3,100,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Clerq |
October, 24 ,2025 | Unknown | $21,000,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
 Risotto |
January, 28 ,2026 | Seed | $10,000,000 |
| ENGINEEARS |
February, 21 ,2024 | Seed | $7,500,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
 Arbor(US) |
February, 04 ,2026 | Seed | $6,300,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
 Pelgo |
February, 11 ,2026 | Seed | $5,500,000 |
| Firestorm |
March, 22 ,2024 | Seed | $12,500,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
 Variance |
April, 02 ,2026 | Series A | $21,500,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Clerq |
October, 24 ,2025 | Unknown | $21,000,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Accend (YC S23) |
July, 10 ,2024 | Seed | $3,200,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Risotto |
January, 28 ,2026 | Seed | $10,000,000 |
| Clerq |
October, 24 ,2025 | Unknown | $21,000,000 |
| Agency |
August, 29 ,2024 | Pre-Seed | $2,600,000 |
| Risotto |
January, 28 ,2026 | Seed | $10,000,000 |
| Arbor(US) |
February, 04 ,2026 | Seed | $6,300,000 |
| Arbor(US) |
February, 04 ,2026 | Seed | $6,300,000 |
| Edera |
September, 19 ,2024 | Seed | $5,000,000 |
| Pelgo |
February, 11 ,2026 | Seed | $5,500,000 |
| Pelgo |
February, 11 ,2026 | Seed | $5,500,000 |
| Variance |
April, 02 ,2026 | Series A | $21,500,000 |
| Momos |
September, 20 ,2024 | Series A | $10,000,000 |
 Pomo |
April, 09 ,2026 | Seed | $4,500,000 |
| Variance |
April, 02 ,2026 | Series A | $21,500,000 |
| Attention |
October, 25 ,2024 | Series A | $14,000,000 |
| Meridian |
June, 24 ,2025 | Seed | $7,000,000 |
| Strella |
October, 17 ,2025 | Series A | $14,000,000 |
| Clerq |
October, 24 ,2025 | Unknown | $21,000,000 |
| Risotto |
January, 28 ,2026 | Seed | $10,000,000 |
| Arbor(US) |
February, 04 ,2026 | Seed | $6,300,000 |
| Pelgo |
February, 11 ,2026 | Seed | $5,500,000 |
| Variance |
April, 02 ,2026 | Series A | $21,500,000 |
| Pomo |
April, 09 ,2026 | Seed | $4,500,000 |
Cherry Ventures
Blue Bear Capital
Slow Ventures
Climate Capital
Eniac Ventures
Humble Robotics | $24,000,000 | (Apr 22, 2026)
Sinai.ai | $1,450,000 | (Apr 22, 2026)
Exergy3 Limited | $13,523,900 | (Apr 22, 2026)
Qualitate | $7,000,000 | (Apr 22, 2026)
Deep Blue Medical Advances, Inc. | $5,600,000 | (Apr 22, 2026)
