YC RESEARCH

YC Batch Tracker 2021-2025

2,928 companies across 12 batches. Survival rates, funding estimates, and valuations tracked in real-time. Open data for founders, investors, and the curious.


2,928
Total Companies
$80.4B
Est. Portfolio Value
88.8%
Survival Rate
874
Companies Hiring

Batch Performance

12 Batches Compared

Every YC batch from Winter 2021 through Summer 2025. Sort by any column to find patterns in batch size, survival, and funding.

Batch # Companies Active Dead Acquired Survival % Est. Valuation Est. Funding Top Industries

Survival Analysis

Survival Rate by Year

Older batches have had more time to fail. Newer batches show higher survival rates, which will decrease over time as companies run out of runway.


Industry Analysis

Top Industries

B2B dominates YC's recent portfolio. The top 8 industries by company count, with survival rates and total companies.


AI Intelligence

The Agentic AI Explosion

AI went from 18% of W21 to 74% of S25. Agentic AI (companies building autonomous agents) went from 2% to 41% in 4 years.

AI Companies by Batch (%)

Agentic AI by Batch (%)

1,505AI Companies (51.4%)
228Agentic AI (7.8%)
74%S25 batch is AI
41%Sp25 batch is agentic

Vertical Analysis

Where YC Companies Play

12 verticals analyzed by keyword matching on company descriptions. DevTools and Fintech dominate, but Automotive (117), Aerospace (70), and MedTech (381) show deep specialization.


Growth Proxy

Team Size by Batch (Revenue Proxy)

Team size is the best public proxy for revenue. W21 companies now average 44.8 employees vs 2.5 for Sp25. The 50+ employee companies are the breakout winners.


Company Directory

All 2,928 Companies

Search, filter, and explore every YC company from 2021-2025. Click a company name to view its YC profile.

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Company Batch Status Industry Team Size Est. Valuation Tier

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Methodology

How This Data Was Built

Transparency about sources and estimation methods. All valuations are estimates based on public benchmarks, not insider data.

Data Source

Company data sourced from the jeffboudier/yc-companies-august-2025 HuggingFace dataset, which aggregates publicly available YC company directory data. Enriched with public funding data and status tracking.

Valuation Estimates

Valuations are estimated using standard venture benchmarks: seed-stage post-money valuations ($15M-$22.5M), combined with known funding rounds and industry-specific revenue multiples (B2B: 12x, Fintech: 10x, Healthcare: 8x, Consumer: 6x).

Tier Classification

top_tier = publicly known large rounds or high growth. mid_tier = raised seed, showing traction. lower_tier = early stage, limited public data. dead = confirmed inactive. acquired = confirmed acquisition.

Survival Rate

Survival rate = (Active + Acquired) / Total. Companies marked "Inactive" on the YC directory are counted as dead. Acquired companies are counted as surviving since they returned value to investors.

Funding Estimates

Where public funding data is unavailable, estimates are based on YC's standard deal ($500K for 7%) plus median seed rounds for the batch vintage. Top-tier companies use actual reported funding amounts when available.

Limitations

This is a best-effort estimate, not audited financials. Private company valuations are inherently uncertain. Recent batches (2024-2025) show inflated survival rates because companies have not yet had enough time to fail. Data refreshed periodically.