Largest seed and pre-seed rounds on Recent Funding (September 2026)
The largest seed and pre-seed rounds announced in 2026 on Recent Funding, and the largest seed and pre-seed rounds announced in September 2026, each figure linked to its source. Checked against the cleaned data of October 8, 2026.
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The largest seed round of 2026 on Recent Funding is Mal's $230M, followed by Flapping Airplanes ($180M). In September 2026 alone, 328 startups announced a seed or pre-seed round with a sourced amount. Data as of October 9, 2026.
Stage and amount come from the announcement, and each amount links to its source; amounts without a source, or found wrong in review, are left out. How Recent Funding sources funding data has the detail.
Largest seed rounds of 2026
| # | Company | Industry | Stage | Amount | Announced | Source |
|---|---|---|---|---|---|---|
| 1 | fintech | seed | $230M | thefintechtimes.com | ||
| 2 | ai | seed | $180M | x.com | ||
| 3 | bio-health | seed | $153M | fourweekmba.com | ||
| 4 | ai | seed | $113M | harva.ai | ||
| 5 | security-privacy | seed | $100M | fundraisingfox.com | ||
| 6 | ai | seed | $80M | Pulse 2.0 | ||
| 7 | energy-climate | seed | $75M | The Logic | ||
| 8 | ai | seed | $73.7M | Dealroom | ||
| 9 |  Act Security | security-privacy | seed | $60M | siliconangle.com | |
| 10 | ai-agents | seed | $60M | fundraisingfox.com | ||
| 11 | ai | seed | $60M | fundraisingfox.com | ||
| 12 | security-privacy | seed | $60M | Morningstar%2c Inc. | ||
| 13 | fintech | seed | $60M | businesswire.com | ||
| 14 | infra-devtools | seed | $52M | techcrunch.com | ||
| 15 | ai | seed | $52M | Intelligent CIO | ||
| 16 | defense | seed | $52M | siliconangle.com | ||
| 17 | energy-climate | seed | $50M | techcrunch.com | ||
| 18 |  Sooth Labs | ai | seed | $50M | felicis.com | |
| 19 | ai | seed | $50M | siliconangle.com | ||
| 20 | ai | seed | $49M | PR Newswire |
Outlets do not agree on where seed ends, so a few very large rounds are labelled seed. Seed amounts of 100 million USD or more are checked against their source; open it before you quote one.
The 2026 seed rounds of 50 million USD or more, by industry:
| Industry | Companies |
|---|---|
| ai | 8 |
| security-privacy | 3 |
| energy-climate | 2 |
| fintech | 2 |
| ai-agents | 1 |
| bio-health | 1 |
| defense | 1 |
| infra-devtools | 1 |
Largest pre-seed rounds of 2026
| # | Company | Industry | Stage | Amount | Announced | Source |
|---|---|---|---|---|---|---|
| 1 | ai-agents | pre-seed | $47M | Pulse 2.0 | ||
| 2 |  Knowin | robotics-hardware | pre-seed | $45M | news.google.com | |
| 3 | infra-devtools | pre-seed | $42M | sg.finance.yahoo.com | ||
| 4 | fintech | pre-seed | $41.9M | internationalaccountingbulletin.com | ||
| 5 |  LegendSpace | robotics-hardware | pre-seed | $29.5M | ventureburn.com | |
| 6 | robotics-hardware | pre-seed | $18.5M | Carbon Herald | ||
| 7 | ai | pre-seed | $16M | pulse2.com | ||
| 8 | fintech | pre-seed | $15M | businessinsider.com | ||
| 9 | ai | pre-seed | $15M | news.google.com | ||
| 10 | security-privacy | pre-seed | $15M | finsmes.com | ||
| 11 | ZZhongyi | robotics-hardware | pre-seed | $15M | news.google.com | |
| 12 | robotics-hardware | pre-seed | $10.85M | finsmes.com | ||
| 13 | ai-agents | pre-seed | $10M | fundraisingfox.com | ||
| 14 | security-privacy | pre-seed | $10M | siliconangle.com | ||
| 15 | robotics-hardware | pre-seed | $10M | thenextweb.com |
Of the 288 pre-seed rounds of 2026 with a sourced amount, 21 were 10 million USD or more. Some announcements call a round that size pre-seed that others would call seed.
The largest seed and pre-seed rounds of September 2026
The 25 largest of the 328 September rounds with a sourced amount:
| # | Company | Industry | Stage | Amount | Announced | Source |
|---|---|---|---|---|---|---|
| 1 | bio-health | seed | $153M | fourweekmba.com | ||
| 2 | energy-climate | seed | $75M | The Logic | ||
| 3 | energy-climate | seed | $50M | techcrunch.com | ||
| 4 | bio-health | seed | $45M | entarabi.com | ||
| 5 | Knowin | robotics-hardware | pre-seed | $45M | news.google.com | |
| 6 | ai | seed | $44M | pulse2.com | ||
| 7 | fintech | pre-seed | $41.9M | internationalaccountingbulletin.com | ||
| 8 | ai | seed | $40M | siliconangle.com | ||
| 9 | ai | seed | $38M | startupresearcher.com | ||
| 10 | ai | seed | $37M | businesswire.com | ||
| 11 | bio-health | seed | $33M | hartfordbusiness.com | ||
| 12 | ai | seed | $30M | linkedin.com | ||
| 13 | robotics-hardware | seed | $27.5M | siliconangle.com | ||
| 14 | fintech | seed | $27M | businesswire.com | ||
| 15 | ai-agents | seed | $25M | techcrunch.com | ||
| 16 | ai | seed | $25M | blog.mantic.com | ||
| 17 | ai | seed | $25M | UA.NEWS | ||
| 18 | ai | seed | $25M | venturecapital.com | ||
| 19 | data-analytics | seed | $23M | siliconangle.com | ||
| 20 | ai | seed | $22.25M | techcrunch.com | ||
| 21 |  Stack Health | insurtech | seed | $21M | ohiotechnews.com | |
| 22 | ai-agents | seed | $20M | GlobeNewswire | ||
| 23 |  G6X7 | other | seed | $20M | einpresswire.com | |
| 24 | ai | seed | $20M | alleywatch.com | ||
| 25 | fintech | seed | $18.5M | x.com |
The latest rounds at each stage are on pre-seed and seed.
Get this data
curl -H "Authorization: Bearer $RF_KEY" "https://recentfunding.com/api/v1/rounds?stage=seed&since=2026-09-01&limit=500"Every parameter is in the API docs. For what the stages mean, see seed-stage startups and pre-seed funding.
Related on Recent Funding
- Startup funding data: the last 30 days in charts
- Recently funded startups, updated daily
- Money flow: raises, acquisitions and new funds
- Startup funding this week: the startups that raised, Oct 26–Nov 2, 2026
- AI investors: the VC firms and accelerators backing the most AI startups
- Game startups: the gaming startups that raised most recently
- Recent Funding API docs: every endpoint behind this post; a free API key takes just an email