Investor

a16z CSX

Last cheque observed May 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

Email

AngelQuiet

SeedPre-seed

Cheques on record
0%of best year0cheques in 12 months, 3 on record
Since the last cheque526days00hrs00min00sec
Median round$4.7MRounds led2 of 3
Pitch a16z CSX

a16z CSX highlights

  1. 01

    3 rounds on record

  2. 02

    Mostly Seed and Pre-seed: 100% of its rounds

  3. 03

    Led 2 rounds

What they do

Type
Angel (from a list, unverified)
Cheque size
Not stated
Cold pitches
Not stated

The record

Every round we can evidence, newest first3 appearances

  1. 2025

    2 rounds

  2. May
    OncadeSeed · US · TechStartups$4.0MLed
  3. Mar
    RumiPre-seed · Escape Velocity (Ev3$4.7MLed
  4. 2024

    1 round

  5. Oct
    OpenGradientSeed · US · AlleyWatch$8.5MWith 14 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.

Who they invest alongside

The investors most often in the same rounds as a16z CSX. A count of rooms they were both in, not a relationship either has claimed.

A16z CryptoVC firm2rounds together

Recently backed

The latest companies a16z CSX put money into.

Oncade$4.0M · May 2025OpenGradient$8.5M · Oct 2024

Quick answers about a16z CSX

What does a16z CSX invest in?

a16z CSX invests most often at Seed and Pre-seed (100% of the rounds on record).

How active is a16z CSX?

3 investments on record, 0 of them in the last 12 months, and it led 2. The most recent was in May 2025.

What has a16z CSX invested in recently?

Its most recent investments on record: Oncade (Seed, May 2025), Rumi (Pre-seed, Mar 2025) and OpenGradient (Seed, Oct 2024).

How big are a16z CSX's cheques?

The median round it joins is $4.7M.

Is a16z CSX investing now?

No investments in the last 12 months; the latest was in May 2025.

Who does a16z CSX invest alongside?

Most often A16z Crypto (2 rounds together).

What kind of investor is a16z CSX?

a16z CSX is an angel.

Where does this information on a16z CSX come from?

From 4 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.

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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