Largest Series A Rounds of 2026 (Ranked)

Atoms, TypeSafe AI, Fluidstack raised the three largest tracked Series A rounds of 2026, per Value Add VC's tracked data from 2026-01-01 through 2026-10-15.

Private, US-tracked rounds only; rumored or "in talks" rounds excluded. Not a market total.

Methodology

Deals tracked by Value Add VC from filings, wire releases and news outlets — not a total for the whole market or a complete list of every Series A round. Data window: 2026-01-01 through 2026-10-15 (2026 year-to-date).

Rounds are bucketed into Series A by the store's own tracked funding-stage label. Public companies, debt, fund closes, acquisitions, unverified/rumored rounds and rounds without a clear single funding stage are excluded.

Last updated 2026-10-15. Missing a deal? Submit it →

Largest Series A rounds, 2026 YTD

#DateCompanyAmountLead investorsIndustrySource
1Jul 22, 2026Atoms$1.7BAndreessen HorowitzRoboticsTechCrunch
2Oct 9, 2026TypeSafe AI$870MAndreessen HorowitzAITypeSafe AI
3Jan 10, 2026Fluidstack$830MSituational AwarenessAI infraFluidstack
4Jun 10, 2026Hark$700MParkway Venture CapitalConsumerCrunchbase News
5Feb 11, 2026Apptronik$520M—RoboticsTechCrunch
6Sep 9, 2026Fab2$500MFundomo ManagementSemiconductorsWOWTALE
7Jul 10, 2026Oratomic$300MARCH Venture Partners, Spark Capital, Khosla VenturesQuantum computingTechCrunch
8Sep 9, 2026Solstice Oncology$225MRA Capital—GlobeNewswire
9Mar 26, 2026eMed$200M—Healthtech / GLP-1 employer platformPR Newswire
10Jun 22, 2026Upscale AI$190MPremji InvestAI infraFortune
11Jan 6, 2026Arena$150MFelicis Ventures, UC InvestmentsAI infraWikipedia
12Aug 25, 2026Emerald AI$150MEnergize Capital, DCVCAI infraEmerald AI
13Jul 8, 20268090 Labs$135M—Developer toolsBusiness Wire
14Jan 15, 2026Higgsfield$80M extension ($130M+ total Series A)Accel, Capital Partners, Menlo VenturesAI infraPR Newswire
15Jul 8, 2026Prime Intellect$130MRadical VenturesAI infraTechCrunch
16Sep 10, 2026BrainChild Bio$116M—BiotechGeekWire
17Aug 18, 2026Velaura AI$110MSeligman VenturesAI infraSiliconANGLE
18Jun 15, 2026Hydra Host$100MKindred VenturesAI infraHydra Host
19Jul 14, 2026TerraFirma$100MKleiner Perkins—SiliconANGLE
20Oct 1, 2026Volantis$88MLachy Groom, Abstract VenturesSemiconductorsSiliconANGLE
21Sep 22, 2026Go.AI$85MUpdata PartnersFinTechFinovate
22Jul 17, 2026Singularity$80MKhosla Ventures, Felicis VenturesDefenseCrunchbase News
23Sep 17, 2026Watney Robotics$80MValor Equity PartnersRoboticsWOWTALE
24Aug 11, 2026Infinimmune$75MRegeneron VenturesBiotechMedCity News
25Sep 3, 2026HubX$75M—ConsumerInvesting.com
26Jul 1, 2026Venice AI$65MDragonfly CapitalAI infraTechCrunch
27Jun 30, 2026Straiker$64MMarathon Management PartnersAI infraThe Next Web
28Jul 29, 2026Breakthru Medicine$60M—BiotechFierce Biotech
29Jul 29, 2026ChipAgents$60MB CapitalAI infraReuters
30Sep 8, 2026Poseidon Aerospace$60MTQ VenturesSpaceTechCrunch
31Aug 3, 2026P-1 AI$50MNew Enterprise Associates (NEA)AI infraTech Startups
32Sep 15, 2026Nuance Labs$50MLightspeed Venture Partners—GeekWire
33Oct 8, 2026Gallatin AI$50M8VC, Silent VenturesDefenseSiliconANGLE
34Oct 9, 2026Ultra Robotics$50MFramework VenturesRoboticsFortune
35Sep 9, 2026Lightfield$47MAndreessen HorowitzEnterprise SaaSPR Newswire
36Jul 27, 2026Flourish Health$46MB Capital, F-Prime Capital, Cherryrock CapitalDigital healthGlobeNewswire
37Jul 10, 2026Probook$40MAndreessen HorowitzAI infraCrunchbase News
38Aug 10, 2026Aurelius Systems$40MDraper Associates, KAS Venture PartnersDefensecitybiz
39Aug 13, 2026Vals AI$40MAndreessen HorowitzAI infraTech Funding News
40Sep 15, 2026AIUC$40MRibbit CapitalAI infraTechCrunch
41Oct 1, 2026doxx.net$38MAndreessen HorowitzDeveloper toolsRefresh Miami
42Sep 24, 2026HIFI$37MLeft Lane CapitalCryptoThe Block
43Jul 23, 2026AegisAI$36MBattery VenturesCybersecurityPR Newswire
44Jul 1, 2026OXMIQ Labs$35MFundomo Management, Samsung Catalyst FundSemiconductorsOXMIQ
45Sep 22, 2026Baselayer$35MM13FintechCrunchbase News
46Aug 1, 2026Paper$34MAccel, Iconiq CapitalDeveloper toolsEnid News & Eagle (Business Wire)
47Sep 17, 2026Comp AI$34MRoo Capital, Grand VenturesCybersecurityTechCrunch
48Sep 28, 2026Letterhead$34MPeakSpan CapitalMedia tech / newsletter operating systemThe SaaS News
49Oct 14, 2026Zenzap$33MBessemer Venture Partners, Lightspeed Venture PartnersEnterprise SaaSTechCrunch
50Oct 6, 2026Vitalize$31M—HealthcarePulse2.com

FAQ

What was the largest Series A round of 2026?
Atoms raised $1.7B in a Series A round on 2026-07-22.
How many Series A rounds does Value Add VC track for 2026?
95 tracked 2026 Series A rounds, ranked here by dollar amount (top 50 shown).
Which companies raised the biggest Series A rounds in 2026?
Atoms, TypeSafe AI, Fluidstack raised the three largest tracked Series A rounds of 2026.

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More rankings

Most Active Seed Investors →Most Active Series B Investors →Most Active Series C+ / Growth Investors →Largest Seed Rounds →Largest Series B Rounds →Largest Series C+ / Growth Rounds →Most Active VC Firms (2026) →All rankings →