Skip to content

Company

Mayfield

Mayfield is a Silicon Valley venture capital firm that invests in early-stage technology and startups across sectors like AI, enterprise, and consumer.

Known aliases

  • Mayfield Fund

Current stories

investConfirmed4 publishers

Numeral raises $100 million to win share in a tax management market growing 6.3% a year

Numeral raised a $100 million Series C led by Insight Partners, almost three times the Series B it closed a year earlier. California's SaaS tax from 2027 adds buyers to a category that Avalara, Vertex, Anrok and Zamp already sell into.

Perspective Coverage

4 publishers
Builder
Builder 24%
Operator
Operator 32%
Investor
Investor 44%

Reality

Evidence62
Adoption45
Hype gap+15
Incentives70
Confidence60
investConfirmed3 publishers

Xora adds $53m to Hang Ten's seed five weeks after Mayfield closed the first

Hang Ten Systems has raised $85m across two seed rounds that closed thirty-five days apart, the second larger than the first, priced on enterprise contracts the company describes only as multi-million-dollar.

Perspective Coverage

3 publishers
Builder
Builder 28%
Operator
Operator 28%
Investor
Investor 44%

Reality

Evidence46
Adoption36
Hype gap+29
Incentives76
Confidence58
buildOne report1 publisher

Cognichip's one detailed ACI example divides out to 40 to 50 times faster

Faraj Aalaei's Cognichip argues that semiconductor physics belongs inside the model, with agents left to orchestrate. The one speedup it has documented in detail is a 55-page spec handled in days against a baseline Cognichip supplied itself.

Publishers:runtimewire.com

Reality

Evidence33
Adoption18
Hype gap+42
Incentives74
Confidence57
buildOne report1 publisher

Analog Devices pays up to $1.55B to put an Arm NPU next to its own sensor front ends

The Ensemble parts run Arm's Cortex-M55 cores and Ethos-U55 NPUs, so what Analog Devices is buying for up to $1.55B is the integration around them and a distribution channel Alif could not build alone.

Publishers:runtimewire.com

Reality

Evidence60
Adoption28
Hype gap+22
Incentives72
Confidence56
investOne report1 publisher

Twistlock's founders raised $51M for Minimus, then handed the leftovers back

The container security pioneers behind a $410 million exit could not sell fewer CVEs to buyers whose budgets were already committed. The registry goes dark on October 22.

Publishers:calcalistech.com

Reality

Evidence60
Adoption14
Hype gap+22
Incentives58
Confidence55
investOne report1 publisher

A $51M seed with no product: what investors were actually buying

The Twistlock founders raised thirteen to seventeen times the cybersecurity seed norm, then binned the product it funded. The pivot is the most useful part of the story.

Reality

Evidence56
Adoption45
Hype gap+14
Incentives62
Confidence52