# Irregular Expressions: portfolio, investments and team > Irregular Expressions is an angel network based in United States. 2 investments on record, latest Sept 2025. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/irregular-expressions (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Irregular Expressions Last cheque observed Sep 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds. Email Quiet New fund $808K, Jun 2021 Angel network Pre-seed Seed Series A Fin-tech Financial Services Paas Follow Irregular Expressions and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Firregular-expressions) Cheques on record **0%** of best year **0** **cheques in 12 months**, 2 on record Since the last cheque **397** days **00** hrs **00** min **00** sec Median round **$8.5M** Rounds led **0 of 2** Pitch Irregular Expressions ## Irregular Expressions highlights - 01 2 rounds on record - 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-seed Seed Series A Series B Growth - **Sectors:** Fin-tech Financial Services Paas - **Based in:** New York, United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **2 appearances** - **2025** 1 round - **Sept** **[Qovery](https://millionrounds.com/company/qovery)** Series A · FR · TechStartups **$13M** With 9 others - **2024** 1 round - **Oct** **[Plural](https://millionrounds.com/company/plural)** Seed · US · AlleyWatch **$4.0M** With 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 registration **3 named** JS **Jean Sini** Manager and Member i Form ADV JN **Jeremy Neilson** Managing Director of the Issuer's Manager i Filing they signed RT **Richard Thoms** Officer of the Issuer's Manager i Filing 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 **Exempt** reporting adviser venture or small private funds - **Legal name:** Causation Ventures, L.L.C. - **SEC number:** CRD 325506 ## What they claim to have backed From their own portfolio page (on their website) **60** of 60 we have independently watched raise [Acquia](https://millionrounds.com/company/acquia)[Actual AI](https://millionrounds.com/company/actual-ai)[Airfold](https://millionrounds.com/company/airfold)[Alpic](https://millionrounds.com/company/alpic)[AtomicJar](https://millionrounds.com/company/atomicjar)[Behalf](https://millionrounds.com/company/behalf)[Bisontrails](https://millionrounds.com/company/bison-trails)[Calyx](https://millionrounds.com/company/calyx)[Canva](https://millionrounds.com/company/canva)[Cloudera](https://millionrounds.com/company/cloudera)[Commerce Guys](https://millionrounds.com/company/commerce-guys)[Core Scientific](https://millionrounds.com/company/core-scientific)[Criteo](https://millionrounds.com/company/criteo)[Datadog](https://millionrounds.com/company/datadog)[Datalogue](https://millionrounds.com/company/datalogue)[DrumG](https://millionrounds.com/company/drumg)[Educative](https://millionrounds.com/company/educative)[Engine Yard](https://millionrounds.com/company/engine-yard)[Escape](https://millionrounds.com/company/escape)[Filtered](https://millionrounds.com/company/filtered)[Finlync](https://millionrounds.com/company/finlync)[Frame](https://millionrounds.com/company/frame-io)[Fundamental](https://millionrounds.com/company/fundamental)[Heroku](https://millionrounds.com/company/heroku)[Inventive](https://millionrounds.com/company/inventive)[Isomorphic Labs](https://millionrounds.com/company/isomorphic-labs)[Jam City](https://millionrounds.com/company/jam-city)[Klaviyo](https://millionrounds.com/company/klaviyo)[Kurrent](https://millionrounds.com/company/kurrent)[Lattice](https://millionrounds.com/company/lattice)[LivePerson](https://millionrounds.com/company/liveperson)[Looker](https://millionrounds.com/company/looker)[Mako](https://millionrounds.com/company/mako)[Makora](https://millionrounds.com/company/makora)[Memgraph](https://millionrounds.com/company/memgraph)[Mongodb](https://millionrounds.com/company/mongodb)[MySpace](https://millionrounds.com/company/myspace)[N26](https://millionrounds.com/company/n26)[NVIDIA](https://millionrounds.com/company/nvidia)[Payoneer](https://millionrounds.com/company/payoneer)[People](https://millionrounds.com/company/people-ai)[Pinecone](https://millionrounds.com/company/pinecone)[Plakar](https://millionrounds.com/company/plakar)[Popsink](https://millionrounds.com/company/popsink)[Qovery](https://millionrounds.com/company/qovery)[Rackspace](https://millionrounds.com/company/rackspace)[Recall](https://millionrounds.com/company/recall)[Rippling](https://millionrounds.com/company/rippling)[Serverpod](https://millionrounds.com/company/serverpod)[Shopify](https://millionrounds.com/company/shopify)[Streamroot](https://millionrounds.com/company/streamroot)[Supertokens](https://millionrounds.com/company/supertokens)[Techstars](https://millionrounds.com/company/techstars)[TopK](https://millionrounds.com/company/topk)[Treasuredata](https://millionrounds.com/company/treasure-data)[Tsuga](https://millionrounds.com/company/tsuga)[Ubicloud](https://millionrounds.com/company/ubicloud)[Unqork](https://millionrounds.com/company/unqork)[Untheter AI](https://millionrounds.com/company/untether-ai)[Userinterviews](https://millionrounds.com/company/user-interviews) and 100 more 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. New fund on file **$808K** raised in Jun 2021 From its SEC filing, not a journalist: a firm that has just raised has money to deploy. ## The cheque Pre-seed Seed Series A Median round joined **$8.5M** the round, not its cheque Led 0 of 2 rounds **0%** - **Sole investor:** Never alone - **Last cheque:** Sept 2025 Rounds by stage said on their site - Seed said *1* - Series A said *1* - Pre-seed said *-* - Series B said *-* - Growth said *-* Cheques by month Led Joined Dec 2023 Nov 2026 **Pitching Irregular Expressions?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Recently backed The latest companies Irregular Expressions put money into. [**Plural** $4.0M · Oct 2024](https://millionrounds.com/company/plural) ## 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? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=irregular-expressions) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=irregular-expressions)