Snorkel AI valuation, funding and investors
Snorkel AI works in research-grade dataset development, based in Redwood City, United States. Founded in 2019, it has about 1,480 employees.
- Last round
- Series E · $350M · Sep 2026
- Valuation at last round
- $3.50B
- Headcount
- 1,484 · growing
- Grade
- A
- Founded
- 2019
Snorkel AI valuation today
VCMC values Snorkel AI at $3.6B today, with a range of $3.0B to $5.3B and a grade of A. The valuation starts from its last funding round, a Series E round in Sep 2026.
Valuation by date (100 rows)
Each point is what the model would have shown on that date, using only what was known then; before its first round, a company is valued as a startup because it later raised.
| Date | Valuation | Range | Predicted in 1 yr | Phase | Headcount | Trend | Grade | Winding-down probability |
|---|---|---|---|---|---|---|---|---|
| 1 Jan 2019 | $20.0M | $13.1M – $60.9M | $40.0M (+100%) | after a round | – | unknown | C | 0% |
| 2 Jan 2019 | $20.0M | $13.1M – $60.9M | $40.0M (+100%) | after a round | – | unknown | C | 0% |
| 1 Feb 2019 | $21.2M | $13.1M – $60.9M | $40.0M (+89%) | after a round | – | unknown | C | 0% |
| 1 Mar 2019 | $22.4M | $13.1M – $60.9M | $40.0M (+79%) | after a round | – | unknown | C | 0% |
| 1 Apr 2019 | $23.7M | $13.1M – $60.9M | $40.0M (+69%) | after a round | – | unknown | C | 0% |
| 1 May 2019 | $25.1M | $13.1M – $60.9M | $40.0M (+59%) | after a round | – | unknown | C | 0% |
| 1 Jun 2019 | $26.6M | $13.1M – $60.9M | $40.0M (+50%) | after a round | – | unknown | C | 0% |
| 1 Jul 2019 | $28.2M | $13.1M – $60.9M | $40.0M (+42%) | after a round | – | unknown | C | 0% |
| 1 Aug 2019 | $29.9M | $13.1M – $60.9M | $40.0M (+34%) | after a round | – | unknown | C | 0% |
| 1 Sep 2019 | $31.7M | $13.1M – $60.9M | $40.0M (+26%) | after a round | – | unknown | C | 0% |
| 1 Oct 2019 | $33.6M | $13.1M – $60.9M | $40.0M (+19%) | after a round | – | unknown | C | 0% |
| 1 Nov 2019 | $35.6M | $13.1M – $60.9M | $40.0M (+12%) | after a round | – | unknown | C | 0% |
| 1 Dec 2019 | $37.7M | $13.1M – $60.9M | $40.0M (+6%) | after a round | – | unknown | C | 0% |
| 1 Jan 2020 | $40.0M | $13.1M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Feb 2020 | $40.0M | $12.5M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Mar 2020 | $40.0M | $11.9M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Apr 2020 | $40.0M | $11.3M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 May 2020 | $40.0M | $10.8M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Jun 2020 | $40.0M | $10.2M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Jul 2020 | $40.0M | $9.75M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Aug 2020 | $40.0M | $9.27M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Sep 2020 | $40.0M | $8.81M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Oct 2020 | $40.0M | $8.38M – $60.9M | $40.0M (0%) | after a round | – | unknown | C | 0% |
| 1 Nov 2020 | $40.0M | $7.97M – $60.9M | $40.0M (0%) | after a round | – | unknown | D | 0% |
| 1 Dec 2020 | $40.0M | $7.58M – $60.9M | $40.0M (0%) | after a round | – | unknown | D | 0% |
| 1 Jan 2021 | $40.0M | $7.21M – $60.9M | $40.0M (0%) | after a round | 27 | unknown | D | 0% |
| 1 Feb 2021 | $40.0M | $6.85M – $60.9M | $40.0M (0%) | after a round | 27 | unknown | D | 0% |
| 1 Mar 2021 | $40.0M | $6.54M – $60.9M | $40.0M (0%) | after a round | 27 | unknown | D | 0% |
| 1 Apr 2021 | $40.0M | $6.22M – $60.9M | $39.0M (-2%) | after a round | 27 | flat | D | 0% |
| 8 Apr 2021 | $206M | $145M – $439M | $309M (+50%) | after a round | 27 | flat | B | 0% |
| 1 May 2021 | $212M | $145M – $439M | $309M (+46%) | after a round | 27 | flat | B | 0% |
| 1 Jun 2021 | $219M | $145M – $439M | $309M (+41%) | after a round | 27 | flat | B | 0% |
| 1 Jul 2021 | $227M | $145M – $439M | $309M (+36%) | after a round | 27 | flat | B | 0% |
| 1 Aug 2021 | $235M | $145M – $439M | $309M (+32%) | after a round | 27 | flat | B | 0% |
| 10 Aug 2021 | $1.0B | $869M – $1.5B | $1.3B (+30%) | after a round | 27 | flat | A | 0% |
| 1 Sep 2021 | $1.0B | $869M – $1.5B | $1.3B (+28%) | after a round | 27 | flat | A | 0% |
| 1 Oct 2021 | $1.0B | $869M – $1.5B | $1.3B (+25%) | after a round | 27 | flat | A | 0% |
| 1 Nov 2021 | $1.1B | $869M – $1.5B | $1.3B (+22%) | after a round | 27 | flat | A | 0% |
| 1 Dec 2021 | $1.1B | $869M – $1.5B | $1.3B (+20%) | after a round | 27 | flat | A | 0% |
| 1 Jan 2022 | $1.1B | $869M – $1.5B | $1.3B (+17%) | after a round | 27 | flat | A | 0% |
| 1 Feb 2022 | $1.1B | $869M – $1.5B | $1.3B (+15%) | after a round | 27 | flat | A | 0% |
| 1 Mar 2022 | $1.4B | $869M – $2.1B | $1.8B (+31%) | after a round | 130 | growing | B | 0% |
| 1 Apr 2022 | $1.5B | $869M – $2.1B | $1.8B (+24%) | after a round | 130 | growing | B | 0% |
| 1 May 2022 | $1.6B | $869M – $2.1B | $1.8B (+18%) | after a round | 130 | growing | B | 0% |
| 1 Jun 2022 | $1.6B | $869M – $2.1B | $1.8B (+12%) | after a round | 130 | growing | B | 0% |
| 1 Jul 2022 | $1.7B | $869M – $2.1B | $1.8B (+7%) | after a round | 130 | growing | B | 0% |
| 1 Aug 2022 | $1.8B | $869M – $2.1B | $1.8B (+1%) | after a round | 130 | growing | B | 0% |
| 1 Sep 2022 | $1.8B | $892M – $2.1B | $1.8B (0%) | after a round | 130 | growing | B | 0% |
| 1 Oct 2022 | $1.8B | $923M – $2.1B | $1.8B (0%) | after a round | 130 | growing | B | 0% |
| 1 Nov 2022 | $1.8B | $830M – $2.1B | $1.8B (0%) | after a round | 130 | unknown | B | 0% |
| 1 Dec 2022 | $1.8B | $817M – $2.1B | $1.8B (0%) | after a round | 130 | unknown | B | 0% |
| 1 Jan 2023 | $1.9B | $958M – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 Feb 2023 | $1.9B | $978M – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 Mar 2023 | $1.9B | $996M – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 Apr 2023 | $1.9B | $1.0B – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 May 2023 | $1.9B | $1.0B – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 Jun 2023 | $1.9B | $1.1B – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 Jul 2023 | $1.9B | $1.1B – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 Aug 2023 | $1.9B | $1.1B – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 Sep 2023 | $1.9B | $1.0B – $2.2B | $1.9B (0%) | after a round | 150 | up | B | 0% |
| 1 Oct 2023 | $1.2B | $618M – $1.9B | $879M (-26%) | after a round | 130 | down | B | 72% |
| 1 Nov 2023 | $1.2B | $588M – $2.0B | $856M (-27%) | after a round | 130 | down | C | 72% |
| 1 Dec 2023 | $1.2B | $560M – $2.0B | $834M (-27%) | after a round | 130 | down | C | 72% |
| 1 Jan 2024 | $1.1B | $532M – $2.0B | $813M (-28%) | after a round | 130 | down | C | 72% |
| 1 Feb 2024 | $1.1B | $505M – $2.0B | $791M (-29%) | after a round | 130 | down | C | 72% |
| 1 Mar 2024 | $1.2B | $497M – $2.1B | $850M (-28%) | after a round | 150 | flat | C | 66% |
| 1 Apr 2024 | $1.2B | $473M – $2.1B | $881M (-27%) | after a round | 150 | flat | C | 61% |
| 1 May 2024 | $1.2B | $450M – $2.1B | $912M (-26%) | after a round | 150 | flat | C | 56% |
| 1 Jun 2024 | $1.3B | $427M – $2.2B | $941M (-25%) | after a round | 150 | flat | C | 51% |
| 1 Jul 2024 | $1.3B | $407M – $2.2B | $969M (-24%) | after a round | 150 | flat | C | 47% |
| 1 Aug 2024 | $1.3B | $589M – $2.2B | $1.0B (-22%) | after a round | 150 | up | C | 43% |
| 1 Sep 2024 | $1.3B | $507M – $2.2B | $1.0B (-20%) | after a round | 150 | up | C | 40% |
| 1 Oct 2024 | $1.3B | $496M – $2.2B | $1.1B (-19%) | after a round | 150 | up | C | 37% |
| 1 Nov 2024 | $1.3B | $485M – $2.2B | $1.1B (-18%) | after a round | 150 | up | C | 34% |
| 1 Dec 2024 | $1.3B | $475M – $2.2B | $1.1B (-17%) | after a round | 150 | up | C | 31% |
| 1 Jan 2025 | $1.4B | $464M – $2.1B | $1.1B (-16%) | after a round | 150 | up | C | 29% |
| 1 Feb 2025 | $1.4B | $453M – $2.1B | $1.2B (-15%) | after a round | 150 | up | C | 26% |
| 1 Mar 2025 | $1.4B | $444M – $2.1B | $1.2B (-15%) | after a round | 150 | up | C | 24% |
| 1 Apr 2025 | $1.4B | $433M – $2.1B | $1.2B (-14%) | after a round | 150 | up | C | 22% |
| 1 May 2025 | $1.5B | $247M – $2.2B | $1.3B (-10%) | after a round | 150 | unknown | D | 20% |
| 30 May 2025 | $1.3B | $1.1B – $1.9B | $1.7B (+30%) | after a round | 150 | unknown | A | 0% |
| 1 Jun 2025 | $1.3B | $1.1B – $1.9B | $1.7B (+30%) | after a round | 150 | unknown | A | 0% |
| 1 Jul 2025 | $1.3B | $1.1B – $1.9B | $1.7B (+27%) | after a round | 150 | unknown | A | 0% |
| 1 Aug 2025 | $1.4B | $1.1B – $1.9B | $1.7B (+24%) | after a round | 755 | growing | A | 0% |
| 1 Sep 2025 | $1.4B | $1.1B – $1.9B | $1.7B (+21%) | after a round | 755 | growing | A | 0% |
| 1 Oct 2025 | $1.4B | $1.1B – $1.9B | $1.7B (+19%) | after a round | 757 | flat | A | 0% |
| 1 Nov 2025 | $1.5B | $1.1B – $1.9B | $1.7B (+16%) | after a round | 765 | flat | A | 0% |
| 1 Dec 2025 | $1.5B | $1.1B – $1.9B | $1.7B (+14%) | after a round | 765 | flat | A | 0% |
| 1 Jan 2026 | $1.5B | $1.1B – $1.9B | $1.7B (+11%) | after a round | 765 | flat | A | 0% |
| 1 Feb 2026 | $1.6B | $1.1B – $2.0B | $1.8B (+10%) | after a round | 915 | up | A | 0% |
| 1 Mar 2026 | $1.6B | $1.1B – $2.0B | $1.8B (+8%) | after a round | 915 | up | A | 0% |
| 1 Apr 2026 | $1.7B | $1.1B – $2.0B | $1.8B (+5%) | after a round | 915 | up | A | 0% |
| 1 May 2026 | $1.8B | $1.1B – $2.1B | $1.8B (+3%) | after a round | 1,138 | growing | B | 0% |
| 1 Jun 2026 | $1.8B | $1.1B – $2.1B | $1.8B (0%) | after a round | 1,138 | growing | B | 0% |
| 1 Jul 2026 | $1.8B | $1.1B – $2.1B | $1.8B (0%) | after a round | 1,138 | growing | B | 0% |
| 1 Aug 2026 | $1.9B | $1.2B – $2.2B | $1.9B (0%) | after a round | 1,239 | growing | B | 0% |
| 1 Sep 2026 | $1.9B | $1.2B – $2.2B | $1.9B (0%) | after a round | 1,239 | growing | B | 0% |
| 23 Sep 2026 | $3.5B | $3.0B – $5.2B | $4.6B (+30%) | after a round | 1,425 | growing | A | 0% |
| 1 Oct 2026 | $3.5B | $3.0B – $5.2B | $4.6B (+29%) | after a round | 1,425 | growing | A | 0% |
| 24 Oct 2026 | $3.6B | $3.0B – $5.3B | $4.6B (+28%) | after a round | 1,484 | growing | A | 0% |
Key facts about Snorkel AI
- Founded
- 2019
- Headquarters
- Redwood City, United States
- Employees
- about 1,480 +96% in a year
- Total raised
- $588M
- Funding rounds
- 6
- Last round
- Series E Sep 2026
Snorkel AI was founded in 2019 by Alexander Ratner and Henry Ehrenberg.
Snorkel AI funding history
Snorkel AI has 6 funding rounds on record, from Jan 2019 to Sep 2026, $588M in total. The latest disclosed valuation is $3.50B post-money (Series E, Sep 2026).
Series E 22 Sep 2026
Led by Insight Partners, S32; with Addition, March Capital, Blumberg Capital, Allegis Capital, Frontline, Standard, Third Point Ventures, Greylock Partners, Lightspeed Venture Partners, GV, Factory, Prosperity7 Ventures, Walden Catalyst, Wells Fargo.
Sources: techfundingnews.com, prnewswire.com, techcrunch.com and 14 more
$350M
$3.50B post-money
Series D 29 May 2025
Led by Addition; with Prosperity7 Ventures, QBE Ventures, Greylock Partners, Lightspeed Venture Partners, BNY.
Sources: snorkel.ai, hpcwire.com, coverager.com
$100M
$1.30B post-money
Series C 9 Aug 2021
Led by Addition, BlackRock; with Factory, Cooley, Greylock Partners, GV, Lightspeed Venture Partners, Nepenthe Capital, Walden International, Stonebridge Ventures.
Sources: snorkel.ai, globenewswire.com, seattledataguy.substack.com
$85M
$1.00B post-money
Series B 7 Apr 2021
Led by Lightspeed Venture Partners; with Greylock Partners, GV, In-Q-Tel, Nepenthe Capital, Walden International, BlackRock, Walden Venture Capital.
Sources: snorkel.ai, techcrunch.com, seattledataguy.substack.com
$35M
Other 14 Jul 2020no round page
Led by Greylock Partners; with GV, In-Q-Tel.
Sources: semiengineering.com, aibusiness.com, finsmes.com and 1 more
$15M
$3.0M
Snorkel AI investors
25 investors have backed Snorkel AI; Greylock Partners, Lightspeed Venture Partners and Addition and 3 more led at least one round.
- Greylock Partners lead, 5 rounds
- Lightspeed Venture Partners lead, 4 rounds
- Addition lead, 3 rounds
- BlackRock lead, 2 rounds
- Insight Partners lead
- S32 lead
- GV 4 rounds
- Factory 2 rounds
- In-Q-Tel 2 rounds
- Nepenthe Capital 2 rounds
- Walden International 2 rounds
- BNY
- Cooley
- QBE Ventures
- Standard
- Third Point Ventures
- Wells Fargo
What Snorkel AI does
Snorkel AI works in software development services, with 14 recorded offerings and customers in artificial intelligence, data science and government.
Snorkel AI, Inc. is an American software company that develops and provides data development services, including the creation of specialized training data, benchmarks, and evaluation environments for AI models and agents. The company also offers data-as-a-service, programmatic data labeling tools, and custom agent development. Snorkel AI serves AI labs, enterprises, and federal agencies, and collaborates with research institutions and industry partners. Its operations include research, embedded delivery, and the development of proprietary tools and technologies for data-centric AI.
Description from Veridion's company data.
Products and services
- Research-Grade Dataset Development
- Domain-Specific Evaluation Environment Creation
- Specialized AI Agent Development
- Automated Data Refinement Services
- Custom AI Solution Development
- Enterprise-Specific Data Context Integration
- Model Behavior Tuning Services
- Production Deployment and Monitoring Services
- AI Benchmark Platform Development
- Open Benchmark Publishing
- AI Evaluation Research Publication
- Data-Centric AI Research Services
- Frontier AI Collaboration Services
- Machine Learning Pipeline Optimization Consulting
Markets
- Artificial Intelligence
- Data Science
- Government
Technology
- Programmatic Approaches to Data Labeling
- Automated Data Labeling
- Proprietary Data Provenance Tracking
- Proprietary Data Quality Assurance Algorithms
- Proprietary Data-Evaluation Frameworks
Business model
- Business-to-Business
- Service Provider
- Software-as-a-Service
- Enterprise
Industry codes (NAICS)
- 513210 Software Publishers 50% match
- 541511 Custom Computer Programming Services 30% match
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 20% match
Questions about Snorkel AI
What is Snorkel AI worth?
Valuation $3.6B (range $3.0B to $5.3B), as of 24 Oct 2026. The last disclosed valuation was $3.50B (Series E, Sep 2026).
Has Snorkel AI raised money?
Snorkel AI has 6 funding rounds on record, from Jan 2019 to Sep 2026, $588M in total. The latest disclosed valuation is $3.50B post-money (Series E, Sep 2026).
Who has invested in Snorkel AI?
Greylock Partners, Lightspeed Venture Partners, Addition, BlackRock, Insight Partners and S32, and 19 more. Lead investors include Greylock Partners, Lightspeed Venture Partners, Addition and BlackRock.
How many people work at Snorkel AI?
About 1,480, up 96% over the last year. Headcount grew from 27 in Jan 2021 to 1,484 in Oct 2026.
What does Snorkel AI do?
Snorkel AI works in software development services, with 14 recorded offerings and customers in artificial intelligence, data science and government. Its main offerings are research-grade dataset development, domain-specific evaluation environment creation and specialized AI agent development.
When was Snorkel AI founded, and where is it based?
Snorkel AI was founded in 2019 and is based in Redwood City, United States. It has about 1,480 employees, up 96% over the last year.