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W21 companies hiring the most right now

The 46 YC W21 companies with the most distinct open roles posted in the last 60 days.

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

Showing 46 of 46 companies on this list
#CompanyTeam6 mo12 moOpen rolesTotal raisedLast round
1
All-electric seagliders for fast, affordable regional transportation
288+11%+15%30$327MDebt$120M, Aug 2026
2
Modernizing commercial insurance
107+11%+43%17$61.6MSeries B$42M, Mar 2026
3
Leading online after-school for kids & teens to learn AI & coding
822+5%+18%9$2MUndisclosed round$1.2M, Jan 2023
4
10-Minute Grocery Delivery in India
20,608  8$2.6BSeries H$450M, Oct 2025
5
Canada's digital health clinic for men
99+2%+5%8$38.9MSeries A$34.7M, Mar 2025
6
all-in-one operating system (OS) for telcos
121+34%+51%8$66.3MSeries B$40M, Mar 2026
7
Telehealth dietitians covered by insurance
4,256  7$213MSeries C$100M, May 2026
8
Government-funded online addiction treatment
45+18%+41%7SeedMar 2021
9
Full-stack VLEO satellite missions
78+13%+20%6$103MSeries A$35M, Jan 2024
10
Generative AI powered Shopify for home service professionals
168+7%+27%5$44MSeries B$27M, Aug 2025
11
A digital wallet for the Middle East & North Africa
324+15%+45%5$30.5MSeries A$22M, May 2026
12
Your AI GTM platform for In-Person Events
134+6%+19%5$2.4MSeed$2.2M, Mar 2021
13
The AI-native FP&A platform that helps Finance teams drive business…
196+32%+54%4
14
Voice AI for developers.
150+50%+114%4$70.6MSeries B$50M, May 2026
15
Helping a billion people build their dream career
117  4$4.2MSeed$3M, Feb 2024
16
User research on autopilot.
59−6%−11%4$15.5MSeries A$13M, Nov 2025
17
Physical AI for asset-heavy industries
8880%+21%4$184MSeries C$120M, Dec 2024
18
Seamless mobility to, through, and from space. It starts with 100%…
451+17%+33%4$2.4BSeries E$1B, Sep 2026
19
SpruceID lets users control their data across the web.
36+20%+20%4$41.6MSeries A$34M, Apr 2022
20
Scheduling and workforce management SaaS for home healthcare providers
32+7%+14%4$14.4MSeries A$10M, May 2025
21
The data layer for physical AI
231+31%+75%3$110MSeries C$60M, Feb 2026
22
Authorization Infrastructure securing AI at OpenAI, Zoom, & more
34−3%+13%3$15.9MSeries A$12M, Jun 2024
23
Corporate card & spend management platform for Indian startups
57−2%−8%3
24
The Most-Loved IT Documentation Platform
42+35%+50%3$5.1MSeries A$5M, May 2023
25
AI Agents for Oncology EHRs
98+48%+72%3$37.1MSeries B$22M, May 2026
26
Open source alternative to DataDog
46−8%−2%3$6.5MSeed$5.4M, Sep 2023
27
The next generation care enablement platform
230  2$14.6MSeries A$12M, Mar 2024
28
Software orchestrated mass production of plastics
64+16%+49%2$45.3MSeries A$25M, Jun 2025
29
Makes it easy for tech platforms to embed insurance into products
64+8%+8%2$28.8MSeries A$25M, Feb 2022
30
AI-Powered HRIS for high performing teams
61+13%+17%2$20MSeries A$15M, Oct 2022
31
Energy Orchestration Platform
64+3%+2%1$17.2MSeries A$15M, Nov 2022
32
Software for procurement departments to find suppliers 10x faster
30−14%−19%1$2.7MSeed$2.7M, Aug 2023
33
Cyble - World’s First Intelligence-Driven, AI-Native Security…
2300%−9%1$44.8MSeries B$6.2M, Nov 2023
34
Protecting the grid today, preparing the grid for tomorrow
221+18%+51%1$97.2MSeries B$55M, Nov 2025
35
The AI operating system for restaurants
214+10%+13%1$2.3MSeed$2.3M, Apr 2021
36
Shopify for Beauty and Wellness businesses in Latam
186+9%+23%1$42.8MSeries B$35M, Aug 2025
37
The new wealth manager for Europe
177−4%+16%1$43.5MSeries B$29.5M, Sep 2025
38
Bring Justice to Light
171−14%−10%1$63MSeries B$35M, Sep 2023
39
Admin automation for healthcare
145+22%+54%1$33.1MSeries B$30M, Feb 2025
40
Source better parts by partnering directly with vetted manufacturers
122+8%+30%1$16.1MSeries A$12.1M, Nov 2025
41
Software to run car washes moving to a monthly subscription model
62−9%−37%1$35MSeries B$20M, Apr 2023
42
Payroll app to pay workers daily for retailers & manufacturers in SEA
44−2%+2%1$9.4MSeed$6.4M, Aug 2022
43
Automated investing for the next generation 💸
40+11%+29%1$44.3MDebt$22.5M, Feb 2026
44
The Unified AI-ERP & FP&A Platform
36−40%−33%1$20.8MSeries A$13.5M, Sep 2024
45
We make satellites to image everywhere on Earth, every 15 minutes
160%−6%1$3.4MGrant$3.4M, Jan 2026
46
Enterprise ready webhooks service, open-source and in the cloud
11−8% 1$13MUndisclosed round$7.8M, Feb 2023

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 YC W21 companies

How many YC W21 companies are there?

334 companies were in Y Combinator's Winter 2021 batch (W21); 226 are active.

Which YC W21 companies are hiring?

46 companies posted roles in the last 60 days, led by REGENT (30 roles), Shepherd (17 roles) and Codingal (9 roles). 77 mark themselves as hiring on YC's directory.

Which YC W21 companies are growing fastest?

By team growth over 6 months (10+ people): OpenCode (+200%), Venu AI (+58%) and Vapi (+50%).

Which YC W21 companies raised the most?

Largest latest rounds in the last 12 months, after their YC batch: Stoke Space ($1B), Nourish ($100M) and Ollama ($65M).

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