Investor

Idemitsu Kosan

Last cheque observed Oct 2026; 2 cheques on record.

Growth equityDeploying now

Series B

Deploying now
100%of best year2cheques in 12 months, 2 on record
Since the last cheque31days00hrs00min00sec
Median round$2.0BRounds led0 of 2
Pitch Idemitsu Kosan

Idemitsu Kosan highlights

  1. 01

    2 cheques in the last 12 months

  2. 02

    Mostly Series B: 100% of its rounds

What they do

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

The record

Every round we can evidence, newest first2 appearances

  1. 2026

    2 rounds

  2. Oct
    MidOcean EnergyUS · Google News search$4.0BWith 4 others
  3. May
    Thea EnergySeries B · US · TechCrunch$100MWith 16 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.

Recently backed

The latest companies Idemitsu Kosan put money into.

Quick answers about Idemitsu Kosan

What does Idemitsu Kosan invest in?

Idemitsu Kosan invests most often at Series B (100% of the rounds on record).

How active is Idemitsu Kosan?

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

What has Idemitsu Kosan invested in recently?

Its most recent investments on record: MidOcean Energy (Undisclosed round, Oct 2026) and Thea Energy (Series B, May 2026).

How big are Idemitsu Kosan's cheques?

The median round it joins is $2.0B.

Is Idemitsu Kosan investing now?

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

What kind of investor is Idemitsu Kosan?

Idemitsu Kosan is a growth equity firm.

Where does this information on Idemitsu Kosan come from?

From 3 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