United States · Investor

Irregular Expressions

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

QuietNew fund $808K, Jun 2021Angel network

Pre-seedSeedSeries AFin-techFinancial ServicesPaas

Cheques on record
0%of best year0cheques in 12 months, 2 on record
Since the last cheque397days00hrs00min00sec
Median round$8.5MRounds led0 of 2
Pitch Irregular Expressions

Irregular Expressions highlights

  1. 01

    2 rounds on record

  2. 02

    Mostly Seed and Series A: 100% of its rounds

What they do

Type
Angel network (from a list, unverified)
Cheque size
Not stated
Stages
Pre-seedSeedSeries ASeries BGrowth
Sectors
Fin-techFinancial ServicesPaas
Based in
New York, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first2 appearances

  1. 2025

    1 round

  2. Sept
    QoverySeries A · FR · TechStartups$13MWith 9 others
  3. 2024

    1 round

  4. Oct
    PluralSeed · US · AlleyWatch$4.0MWith 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.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration3 named

JSJean SiniManager and MemberiForm ADV
JNJeremy NeilsonManaging Director of the Issuer's ManageriFiling they signed
RTRichard ThomsOfficer of the Issuer's ManageriFiling they signed

We also hold 4 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

Exemptreporting adviserventure or small private funds
Legal name
Causation Ventures, L.L.C.
SEC number
CRD 325506

What they claim to have backed

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

Recently backed

The latest companies Irregular Expressions put money into.

Quick answers about Irregular Expressions

What does Irregular Expressions invest in?

Irregular Expressions invests most often at Seed and Series A (100% of the rounds on record), in sectors such as Fin-tech, Financial Services and Paas.

How active is Irregular Expressions?

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

What has Irregular Expressions invested in recently?

Its most recent investments on record: Qovery (Series A, Sept 2025) and Plural (Seed, Oct 2024).

How big are Irregular Expressions's cheques?

The median round it joins is $8.5M.

Is Irregular Expressions investing now?

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

What kind of investor is Irregular Expressions?

Irregular Expressions is an angel network based in New York, United States.

Has Irregular Expressions raised a new fund?

Its latest fund filing with the SEC was in Jun 2021, reporting $808K raised.

Where does this information on Irregular Expressions come from?

From 2 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.

Raising now?

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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