Certified by Founder Lodge
S3 Ventures
United States - Austin, TX
INVESTOR
1 Disclosed Funding Rounds $1,500,000
75 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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S3 Ventures is the largest venture capital firm focused on Texas. Backed by a philanthropic, multi-billion-dollar family for over seventeen years, we empower great entrepreneurs with the pati
| Company | Date | Round | Raised |
|---|---|---|---|
 Sumatra |
July, 13 ,2022 | Seed | $1,500,000 |
 Riscosity |
April, 26 ,2023 | Unknown | $7,000,000 |
 CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
 ControlRooms.ai |
August, 30 ,2023 | Series A | $10,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
 SpectraWAVE, Inc. |
September, 12 ,2024 | Series B | $50,000,000 |
 Arpio |
August, 16 ,2023 | Seed | $8,200,000 |
| ControlRooms.ai |
August, 30 ,2023 | Series A | $10,000,000 |
 Hydrolix Inc. |
June, 06 ,2023 | Series A | $20,000,000 |
| Arpio |
August, 16 ,2023 | Seed | $8,200,000 |
| Arpio |
August, 16 ,2023 | Seed | $8,200,000 |
| Riscosity |
April, 26 ,2023 | Unknown | $7,000,000 |
 Allstacks |
August, 20 ,2024 | Series A | $10,000,000 |
 Prokeep |
November, 13 ,2024 | Series A | $25,000,000 |
| Sumatra |
July, 13 ,2022 | Seed | $1,500,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| ControlRooms.ai |
August, 30 ,2023 | Series A | $10,000,000 |
| ControlRooms.ai |
August, 30 ,2023 | Series A | $10,000,000 |
| SpectraWAVE, Inc. |
September, 12 ,2024 | Series B | $50,000,000 |
| Hydrolix Inc. |
June, 06 ,2023 | Series A | $20,000,000 |
| ControlRooms.ai |
August, 30 ,2023 | Series A | $10,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| Arpio |
August, 16 ,2023 | Seed | $8,200,000 |
| Allstacks |
August, 20 ,2024 | Series A | $10,000,000 |
| Riscosity |
April, 26 ,2023 | Unknown | $7,000,000 |
| Allstacks |
August, 20 ,2024 | Series A | $10,000,000 |
| Prokeep |
November, 13 ,2024 | Series A | $25,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| SpectraWAVE, Inc. |
September, 12 ,2024 | Series B | $50,000,000 |
| ControlRooms.ai |
August, 30 ,2023 | Series A | $10,000,000 |
| Hydrolix Inc. |
June, 06 ,2023 | Series A | $20,000,000 |
| SpectraWAVE, Inc. |
September, 12 ,2024 | Series B | $50,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| Prokeep |
November, 13 ,2024 | Series A | $25,000,000 |
| Allstacks |
August, 20 ,2024 | Series A | $10,000,000 |
| Arpio |
August, 16 ,2023 | Seed | $8,200,000 |
| Allstacks |
August, 20 ,2024 | Series A | $10,000,000 |
 Sunthetics |
November, 15 ,2024 | Seed | $4,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| Prokeep |
November, 13 ,2024 | Series A | $25,000,000 |
| SpectraWAVE, Inc. |
September, 12 ,2024 | Series B | $50,000,000 |
 Alleviant Medical |
January, 16 ,2025 | Unknown | $90,000,000 |
| SpectraWAVE, Inc. |
September, 12 ,2024 | Series B | $50,000,000 |
| ControlRooms.ai |
August, 30 ,2023 | Series A | $10,000,000 |
| Prokeep |
November, 13 ,2024 | Series A | $25,000,000 |
 Mavvrik (formerly DigitalEx) |
February, 26 ,2025 | Seed | $6,200,000 |
| Arpio |
August, 16 ,2023 | Seed | $8,200,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| Sunthetics |
November, 15 ,2024 | Seed | $4,000,000 |
| Allstacks |
August, 20 ,2024 | Series A | $10,000,000 |
| Prokeep |
November, 13 ,2024 | Series A | $25,000,000 |
| SpectraWAVE, Inc. |
September, 12 ,2024 | Series B | $50,000,000 |
| Alleviant Medical |
January, 16 ,2025 | Unknown | $90,000,000 |
| Prokeep |
November, 13 ,2024 | Series A | $25,000,000 |
| ControlRooms.ai |
August, 30 ,2023 | Series A | $10,000,000 |
| Sunthetics |
November, 15 ,2024 | Seed | $4,000,000 |
| Mavvrik (formerly DigitalEx) |
February, 26 ,2025 | Seed | $6,200,000 |
| Alleviant Medical |
January, 16 ,2025 | Unknown | $90,000,000 |
| CereTax |
June, 26 ,2024 | Unknown | $9,000,000 |
| Mavvrik (formerly DigitalEx) |
February, 26 ,2025 | Seed | $6,200,000 |
| Allstacks |
August, 20 ,2024 | Series A | $10,000,000 |
 QbDVision |
May, 02 ,2025 | Unknown | $13,000,000 |
| SpectraWAVE, Inc. |
September, 12 ,2024 | Series B | $50,000,000 |
 TensorStax |
May, 13 ,2025 | Seed | $5,000,000 |
| Prokeep |
November, 13 ,2024 | Series A | $25,000,000 |
| Sunthetics |
November, 15 ,2024 | Seed | $4,000,000 |
| Alleviant Medical |
January, 16 ,2025 | Unknown | $90,000,000 |
| Mavvrik (formerly DigitalEx) |
February, 26 ,2025 | Seed | $6,200,000 |
| QbDVision |
May, 02 ,2025 | Unknown | $13,000,000 |
| TensorStax |
May, 13 ,2025 | Seed | $5,000,000 |
 DataBahn.ai |
June, 27 ,2025 | Series A | $17,000,000 |
 Nestimate |
September, 16 ,2025 | Unknown | $3,000,000 |
Cherry Ventures
Blue Bear Capital
Slow Ventures
Climate Capital
Eniac Ventures
Sizable Energy | $8,000,000 | (Oct 24, 2025)
Sumble | $38,500,000 | (Oct 24, 2025)
Syntracts | $5,300,000 | (Oct 24, 2025)
Cybrid | $10,000,000 | (Oct 24, 2025)
Elevara Medicines | $70,000,000 | (Oct 24, 2025)
