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YC companies founded by ex-Pinterest people

23 Y Combinator companies with a founder who worked at Pinterest before.

Updated weekly, last on November 9, 2026. Roster from Y Combinator's public directory.

Fastest growingteam, 6 months
+32%
JustAIW24
  1. 2Rollstack+11%
  2. 3Aesthetic+8%
See all 4
Shrinkingteam, 12 months
−3%
OpenSeaW18
See all 1
Raised the mostlast 12 months
$18.7M
JustAIW24
See all 1
Companies
23
Active
12
Hiring, last 60 days
0
Open roles, 60 days
0
People on these teams
981
Showing 23 of 23 companies
CompanyBatchTeam6 mo12 moOpen rolesTotal raisedLast round
This isn't just a marketplace; we're shaping the future of digital…
W18695−2%−3%0$427MSeries C$300M, Jan 2022
We give Black software engineers support they need to advance in tech.
W1660+3%+2%0$100KGrant$100K, Aug 2016
AI-Powered Accounting
W2332−3%+3%YC$16.5MSeries A$13M, Dec 2024
Automate data-driven slide decks and documents with AI
W2331+11%+3%YC$12.9MSeries A$11M, Oct 2024
Agentic Marketing Platform
W2429+32%+93%YC$20.9MSeries A$18.7M, Jun 2026
Performance-Optimized Influencer Marketing at Scale
W23270%+13%YC$500KYC investment$500K, Jan 2024
Build and publish web apps in minutes. No coding required.
S23Acquired23+15%+21%0SeedJan 2025
Help high-growth tech companies hire strong engineers
S22Acquired17 −11%0$500KYC investment$500K, Jan 2023
Your AI-powered creative apprentice 🪄
S1814+8% 0$3.1MSeed$3.1M, Feb 2022
Local business data intelligence platform
W24100%−9%YC$3.3MSeed$2.8M, Aug 2024
Leading marketplace for formalwear
W21Inactive10−33%−29%0$9.4MNon-equity support$6.3M, Mar 2024
Clinical skincare tested on diverse skin, now available in Sephora.
W219  0$3.1MSeed$3M, Jul 2023
Generative AI Photographer for E-Commerce
W23Acquired4  0$3.3MSeed$2.2M, May 2023
DeFi for Everyone
W23Inactive4  0$500KYC investment$500K, Apr 2023
Making enterprise security practices available for all companies.
S15Acquired4−20%−20%0$1.4MUndisclosed round$1.3M, Jan 2019
The video context layer for AI.
S243  YC
Lovable for Chrome Plugins
W252  0$500KYC investment$500K, Mar 2025
Your team’s AI powered communication tool
W24Inactive2  0$500KYC investment$500K, Apr 2024
Discover trends as they happen
W21Acquired2  0$125KYC investment$125K, Mar 2021
AI-native operating system for analytics teams
W23Inactive1  0$500KYC investment$500K, Apr 2023
Dramatically better search and ads for marketplaces
W21Acquired1  0$8MSeed$6M, Jul 2022
A platform for fitness instructors to build their business and…
W20Inactive1  0SeedJan 2020
See and control what your agents actually do
F26  0

How this works

1. The roster

Every launched company in YC's public directory, with its batch, status, industry and location. New companies show up the week YC lists them.

2. The numbers

Each company is matched to Crustdata by its website. Crustdata adds team size and its change over 6 and 12 months, open roles from job postings, reported funding, and founders' past employers.

3. The lists

Hiring the most counts distinct roles posted in the last 60 days. Growth needs 10+ people today, shrinking 20+ a year ago, so tiny teams do not top the lists. Rebuilt every week.

Built with Crustdata. Get your own API key and build your own.

The numbers on this page come from three Crustdata API calls. Crustdata tags 5,000+ companies with Y Combinator as an investor; swap the filter for any investor, industry or headcount range and track your own list, with founders' work emails one call away.

  • Company search for team size, growth and funding
  • Job search with a count by company, for who is hiring and for what
  • A watch that re-runs the search weekly and sends only what changed
# 1. every company with Y Combinator as an investor
curl https://api.crustdata.com/company/search \
  -H "authorization: Bearer $CRUSTDATA_API_KEY" \
  -H "x-api-version: 2025-11-01" \
  -d '{
    "filters": { "field": "funding.investors",
                 "type": "in", "value": ["Y Combinator"] },
    "fields": ["basic_info.name",
      "headcount.total", "headcount.growth_percent",
      "funding.total_investment_usd"],
    "limit": 100
  }'

# 2. open listings per company, last 60 days (limit 0 = counts only)
curl https://api.crustdata.com/job/search \
  -H "authorization: Bearer $CRUSTDATA_API_KEY" \
  -H "x-api-version: 2025-11-01" \
  -d '{
  "filters": { "op": "and", "conditions": [
    { "field": "company.basic_info.company_id",
      "type": "in", "value": [...] },
    { "field": "metadata.date_added",
      "type": "=>", "value": "2026-08-24" } ]},
  "limit": 0,
  "aggregations": [{ "type": "group_by",
    "field": "company.basic_info.company_id", "agg": "count" }]
}'

# 3. the same company filter as a weekly watch: POST /watch/company/search

Questions about ex-Pinterest founded YC companies

How many ex-Pinterest founded YC companies are there?

23 Y Combinator companies have a founder who worked at Pinterest; 12 are active.

Which ex-Pinterest founded YC companies are hiring?

We found no job postings for these companies in the last 60 days. 6 mark themselves as hiring on YC's directory.

Which ex-Pinterest founded YC companies are growing fastest?

By team growth over 6 months (10+ people): JustAI (+32%), Rollstack (+11%) and Aesthetic (+8%).

Which ex-Pinterest founded YC companies raised the most?

Largest latest rounds in the last 12 months, after their YC batch: JustAI ($18.7M).

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