Y Combinator | Activity | F4

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F4/Y Combinator/Activity

Y Combinator Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

Exit

Stack AI was acquired by Asana for $75M to expand AI agent orchestration capabilities across enterprise systems.

Stack AI

Stack AI Y Combinator

techcrunch.comMAY 28, 2026

MAY 28, 2026

Essay

Published Summer 2026 Requests for Startups marking a significant pivot toward hard tech and AI-enabled physical industries including robotics, space, defense, and semiconductors.

Summer 2026 Requests for Startups

Y Combinator

thenextweb.comMAY 2026

MAY 2026

News

YC began offering $500K investments in USDC stablecoins across Ethereum, Base, and Solana, treating blockchain rails as first-class funding citizens.

USDC stablecoin funding option for YC startups

Y Combinator

ycombinator.com

Added recently

Exit

Meta acquired 49% stake in portfolio company Scale AI for over $14B, validating AI data infrastructure value.

Scale AI

Scale AIY Combinator

ycombinator.com

Added recently

Team Change

Harshita Arora joined Y Combinator as General Partner, bringing deep fintech and infrastructure expertise and founder experience from co-founding AtoB (YC S20).

Harshita Arora joined as General Partner

Y Combinator

ycombinator.comAPR 6, 2026

APR 6, 2026

News

Announced that all YC founders can now receive $500K investments in USDC stablecoins across Ethereum, Base, and Solana.

USDC Stablecoins Funding Support

Y Combinator

fortune.comFEB 3, 2026

FEB 3, 2026

News

Y Combinator began offering founders the option to receive their $500K investment in USDC stablecoins across Ethereum, Base, and Solana.

USDC Stablecoin Funding Option

Y Combinator

fortune.comFEB 2026

FEB 2026

Essay

YC published Spring 2026 Requests for Startups emphasizing AI replacement over augmentation: autonomous hedge funds, AI-native agencies, software-run factories, and AI for government automation.

YC's 2026 Roadmap: AI-Native Companies Replacing Humans

Y Combinator

forbes.comFEB 2026

FEB 2026

Essay

YC partners discussed major 2025 surprises: AI economy stabilization, Anthropic surpassing OpenAI for LLM adoption (52% in Winter 26 batch), and the shift toward application-layer value creation.

What Surprised Us Most In 2025

Y Combinator

ycombinator.comDEC 2025

DEC 2025

3 exits· NOV 2025 – DEC 2025Show all

Exit

Portfolio company Meesho (S16) went public, becoming one of India's largest e-commerce platforms empowering small merchants.

Meesho

Meesho Y Combinator

ycombinator.comDEC 2025

entrackr.com

DEC 2025

Exit

Portfolio company BillionToOne went public on November 6, 2025, becoming Y Combinator's fourth publicly traded biotech company.

BillionToOne

BillionToOne Y Combinator

ycombinator.comNOV 6, 2025

NOV 6, 2025

Exit

Portfolio company Groww, India's leading digital investing platform, went public. YC's first company to list in India.

Groww

Groww Y Combinator

ycombinator.comNOV 2025

asiatechreview.com

NOV 2025

Team Change

YC announced nine exceptional founders as Visiting Partners: Matt Riley, Harshita Arora, Grey Baker, Christopher Golda, Raphael Schaad, Christina Gilbert, Francois Chaubard, Vivian Shen, and James Evans.

Nine new Visiting Partners joined YC

Y Combinator

ycombinator.comOCT 2025

OCT 2025

Essay

YC partnered with Coinbase on a Request for Startups to fund the next wave of fintech builders, signaling entry into Fintech 3.0 era with regulatory clarity and low-cost chains.

YC x Coinbase: Build Onchain

Y Combinator

ycombinator.comSEP 2025

SEP 2025

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