United States · Investor

Mayfield Fund

Last cheque observed Oct 2026; 509 cheques on record.

Deploying nowNew fund $15M, May 2025VC firm

Pre-seedSeedSeries ABioWorkforceLifesciences

Deploying now
71%of best year29cheques in 12 months, 509 on record
Since the last cheque8days00hrs00min00sec
Median round$23MCheque size, as they say$2.0M – $10MRounds led9 of 509Sole investor47 roundsExits71 from the portfolioMostly inUnited States, 97%
Pitch Mayfield Fund

Mayfield Fund highlights

  1. 01

    29 cheques in the last 12 months

  2. 02

    Mostly Series A and Series B: 53% of its rounds

  3. 03

    Sole investor in 47 rounds, median $7.0M

  4. 04

    71 exits from the portfolio

What they do

Mayfield is an early-stage VC investing $3 billion in AI companies, with 70% of investments made at inception.From their own website
Type
VC firm (from a list, unverified)
Cheque size
$2.0M – $10M as they say
Stages
Pre-seedSeedSeries ASeries B
Sectors
BioWorkforceLifesciences
Based in
Menlo Park, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first509 appearances

  1. 2026

    24 rounds

  2. Oct
    Warp SciencesSeries A · US · Analytics India Magazine$215MWith 27 others
  3. Sept
    NumeralSeries C · US · Ventureburn$100MWith 7 others
  4. Sept
    Hang Ten SystemsSeed · Ventureburn$53MWith 2 others
  5. Sept
    Realta FusionVenture · US$9.5MWith 3 others
  6. Sept
    Hello HavenPre-seed · US$15MSole investor
  7. Aug
    Velaura AISeries A · US · TechStartups$110MWith 8 others
  8. Jul
    Bespoke LabsSeries A · US · Ventureburn$40MWith 8 others
  9. Jun
    Upscale AISeries A · US · TechStartups$190MWith 9 others
  10. Jun
    SekaiSeries A · US$20MWith 2 others
  11. Jun
    AttoTudeSeries C · US$52MWith 2 others
  12. May
    ExaforceSeries B · US · TechCrunch$125MWith 6 others
  13. May
    AurascapeSeries A · US · Ventureburn$50MLed
  14. Apr
    NeuBird AISeries A · US · Ventureburn$19MWith 5 others
  15. Apr
    CognichipSeries A · TechCrunch$60MWith 5 others
  16. Apr
    OpenLightSeries A · US$50MSole investor
  17. Mar
    Frore SystemsSeries D · US · TechStartups$143MWith 9 others
  18. Mar
    Rhoda AISeries A · US · Ventureburn$450MWith 9 others
  19. Feb
    KanaSeed · US · Ventureburn$15MLed
  20. Feb
    GruveSeries A · US$50MWith 1 other
  21. Feb
    Realta FusionDebt · US$9.5MWith 2 others
  22. Feb
    PensieveSeed · US$6.9MWith 3 others
  23. Jan
    Entelligence AISeed · US$5.0MWith 1 other
  24. Jan
    OptiVenture · USUndisclosedWith 1 other
  25. Jan
    Upscale AISeries A · US$200MWith 3 others
  26. 2025

    38 rounds

  27. Nov
    InceptionSeed · US · TechCrunch$50MWith 15 others
  28. Nov
    AlchemyVenture · USUndisclosedWith 5 others
  29. Nov
    Uare.aiSeed · SV$10MWith 1 other
  30. Nov
    vijilSeries A · US$17MWith 1 other
  31. Nov
    OptiSeed · US$20MWith 1 other
  32. Oct
    ExaforceGrant · US$1.0MWith 3 others
  33. Oct
    NeuBirdGrant · US$1.0MWith 2 others
  34. Sept
    NumeralSeries B · US · TechCrunch$35MLed
  35. Sept
    HighbeamSeries A · US · AlleyWatch$30MWith 3 others
  36. Sept
    Camtech AISeed · US$1.3MWith 1 other
  37. Sept
    LyftDebt · US$450MWith 5 others
  38. Sept
    EngrammePre-seed · US$3.0MSole investor
  39. Sept
    Obot AISeed · US$35MWith 2 others
  40. Sept
    Prorata.AISeries B · US$40MWith 3 others
  41. Aug
    Mission BioVenture · USUndisclosedWith 5 others
  42. Aug
    MirvieVenture · US$24MWith 4 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration9 named

CDChitra DhondeeDirector, Mayfield Mauritius, Ltd.iForm ADV
MZMohammud Zaid PeerunDirector, Mayfield Mauritius, Ltd.iForm ADV
NCNavin ChaddhaManaging Member, Mayfield Fund, L.L.C.iForm ADV
NNNikhil Nirvan KhattauDirector, Mayfield Mauritius, Ltd.iForm ADV
PTPatrick Thomas SalyerMember, Mayfield Fund, L.L.C.iForm ADV
RBRajeev BatraMember, Mayfield Fund, L.L.C.iForm ADV
TBTejas Bharat ManiarMember, Mayfield Fund, L.L.C.iForm ADV
URUrshit Rajesh ParikhMember, Mayfield Fund, L.L.C.iForm ADV
VKVaneeta Kuba VarmaChief Financial Officer, Mayfield Fund, L.L.C.iForm ADV

We also hold 22 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

$4.6Bgross assets of its funds, 2 advisers combinedOct 2026
13+funds on filenumbered funds in its name
Exemptreporting adviserventure or small private funds
Legal name
Mayfield Fund, L.L.C., A Delaware Limited Liability Company
SEC number
CRD 161685

Who backs their funds

2 LPs on record in Mayfield Fund's funds

Committed
$215M
Funds
9
Vintages
2013 to 2025

The institutions that put money into its funds, which the firm then invests in companies.Source: the pension's own report, latest Mar 2026.

Funds they back

1 fund commitment on record

Managers
1

Every fund on record that it has committed money to, and the managers who invest it.Source: fund news.

Managers it backs most

Exits from the portfolio

Companies it backed that were later bought or listed71 in all

CloudSimpleBought by GoogleUndisclosedNov 2019
MarketoBought by Adobe$4.8BSept 2018
ElasticaBought by Blue Coat Systems$280MNov 2015
ZirtualBought by FundableUndisclosedOct 2015
BlackArrowBought by Cross MediaworksUndisclosedAug 2015
OUYABought by RazerUndisclosedJul 2015
Tempo AIBought by SalesforceUndisclosedMay 2015
C9 Inc.Bought by InsideSales.comUndisclosedMay 2015
Riverbed TechnologyBought by Thoma Bravo$3.5BApr 2015
fitmobBought by ClassPassUndisclosedApr 2015
ViralheatBought by CisionUndisclosedMar 2015
FabBought by PCH International$15MMar 2015
PluckBought by SprinklrUndisclosedFeb 2015
AdChinaBought by AlibabaUndisclosedJan 2015
BranchOutBought by 1-PageUndisclosedNov 2014
AdchemyBought by WalmartLabsUndisclosedMay 2014
PlayFirstBought by Glu MobileUndisclosedMay 2014
KloutBought by Lithium Technologies$200MMar 2014
Basis ScienceBought by Intel$100MMar 2014
PulseBought by LinkedIn$90MApr 2013

The latest 20 here. An exit counts when it came after the firm's first round in the company. From historical deal records.

Who they invest alongside

The investors most often in the same rounds as Mayfield Fund. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies Mayfield Fund put money into.

On podcasts

2 episodes naming Mayfield Fund in the title, and 1 more that mention it.

Mentioned in

Quick answers about Mayfield Fund

What does Mayfield Fund invest in?

Mayfield Fund invests most often at Series A and Series B (53% of the rounds on record), in sectors such as Bio, Workforce and Lifesciences.

How active is Mayfield Fund?

509 investments on record, 29 of them in the last 12 months, and it led 9. The most recent was in Oct 2026.

What has Mayfield Fund invested in recently?

Its most recent investments on record: Warp Sciences (Series A, Oct 2026), Numeral (Series C, Sept 2026) and Hang Ten Systems (Seed, Sept 2026).

How big are Mayfield Fund's cheques?

The median round it joins is $23M. It says it writes cheques of $2.0M to $10M.

Does Mayfield Fund lead rounds?

Sometimes: it led 9 of its 509 investments on record (2%).

Where does Mayfield Fund invest?

Most of the companies it backs are in the United States (97%).

Is Mayfield Fund investing now?

Yes: it is actively investing, with 29 investments in the last 12 months.

Who does Mayfield Fund invest alongside?

Most often Accel (22 rounds together), Khosla Ventures (18 rounds together) and Y Combinator (17 rounds together).

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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it