Sweden · Investor

Sebastian Siemiatkowski

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

AngelQuiet

Series ASeries C

Cheques on record
0%of best year0cheques in 12 months, 4 on record
Since the last cheque476days00hrs00min00sec
Median round$131MRounds led0 of 4
Pitch Sebastian Siemiatkowski

Sebastian Siemiatkowski highlights

  1. 01

    4 rounds on record

  2. 02

    Mostly Series A and Series C: 100% of its rounds

What they do

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

The record

Every round we can evidence, newest first4 appearances

  1. 2025

    1 round

  2. Jul
    LovableSeries A · SE · Crunchbase News$200MWith 9 others
  3. 2019

    1 round

  4. Jun
    DepopSeries C · GB · TechCrunch$62MWith 6 others
  5. 2015

    2 rounds

  6. Jul
    BudbeeSEUndisclosedWith 3 others
  7. Mar
    Spark SoftwarePL$794KWith 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.

Who they invest alongside

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

Recently backed

The latest companies Sebastian Siemiatkowski put money into.

On podcasts

6 episodes naming Sebastian Siemiatkowski in the title.

Quick answers about Sebastian Siemiatkowski

What does Sebastian Siemiatkowski invest in?

Sebastian Siemiatkowski invests most often at Series A and Series C (100% of the rounds on record).

How active is Sebastian Siemiatkowski?

4 investments on record, 0 of them in the last 12 months. The most recent was in Jul 2025.

What has Sebastian Siemiatkowski invested in recently?

Its most recent investments on record: Lovable (Series A, Jul 2025) and Depop (Series C, Jun 2019).

How big are Sebastian Siemiatkowski's cheques?

The median round it joins is $131M.

Is Sebastian Siemiatkowski investing now?

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

Who does Sebastian Siemiatkowski invest alongside?

Most often Creandum (2 rounds together).

What kind of investor is Sebastian Siemiatkowski?

Sebastian Siemiatkowski is an angel based in Sweden.

Where does this information on Sebastian Siemiatkowski 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