Investor

JB Straubel

Last cheque observed Jun 2026; 3 cheques on record.

Email

Deploying nowVC firm

SeedSeries ASeries E

Deploying now
100%of best year2cheques in 12 months, 3 on record
Since the last cheque149days00hrs00min00sec
Median round$38MRounds led0 of 3
Pitch JB Straubel

JB Straubel highlights

  1. 01

    2 cheques in the last 12 months

  2. 02

    Mostly Seed and Series A: 67% of its rounds

What they do

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

The record

Every round we can evidence, newest first3 appearances

  1. 2026

    1 round

  2. Jun
    Red MetalsSeed · US · Ventureburn$10MWith 3 others
  3. 2025

    2 rounds

  4. Dec
    Fervo EnergySeries E · US · TechCrunch$462MWith 24 others
  5. May
    Heron PowerSeries A · US · TechCrunch$38MWith 7 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 JB Straubel. A count of rooms they were both in, not a relationship either has claimed.

Breakthrough EnergyVC firm2rounds togetherCapricorn InvestmentFamily office2rounds togetherGigascale CapitalVC firm2rounds together

Recently backed

The latest companies JB Straubel put money into.

Red Metals$10M · Jun 2026Fervo Energy$462M · Dec 2025Heron Power$38M · May 2025

On podcasts

1 episode naming JB Straubel in the title, and 2 more that mention it.

Mentioned in

Quick answers about JB Straubel

What does JB Straubel invest in?

JB Straubel invests most often at Seed and Series A (67% of the rounds on record).

How active is JB Straubel?

3 investments on record, 2 of them in the last 12 months. The most recent was in Jun 2026.

What has JB Straubel invested in recently?

Its most recent investments on record: Red Metals (Seed, Jun 2026), Fervo Energy (Series E, Dec 2025) and Heron Power (Series A, May 2025).

How big are JB Straubel's cheques?

The median round it joins is $38M.

Is JB Straubel investing now?

Yes: it is actively investing, with 2 investments in the last 12 months.

Who does JB Straubel invest alongside?

Most often Breakthrough Energy (2 rounds together), Capricorn Investment (2 rounds together) and Gigascale Capital (2 rounds together).

What kind of investor is JB Straubel?

JB Straubel is a VC firm.

Where does this information on JB Straubel 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