Basis Set Ventures — Activity | F4

Basis Set Ventures Activity

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

Types

Time range

3 essays· APR 2026Show all

Essay

Published perspective on open source agent infrastructure and the competitive dynamics shaping the stack.

Investing in the Open Source Agent Stack (part 2 of 2)

Basis Set Ventures

basisset.com

APR 23, 2026

APR 23, 2026

Essay

Published thesis essay on why open-source models and agent harnesses will dominate through specialization, control, and economic necessity over closed platforms.

The Future of Agents is Open Source (Part 1)

Basis Set Ventures

basisset.comAPR 17, 2026

APR 17, 2026

Essay

Thesis essay on why open source will dominate the agent infrastructure landscape.

The Future of Agents is Open Source (part 1 of 2)

Basis Set Ventures

basisset.comAPR 17, 2026

APR 17, 2026

4 investments· MAR 2026 – APR 2026Show all

Investment

Led Parasail's $32M Series A for faster GPU cloud infrastructure at 1/5th the price.

Parasail

ParasailBasis Set Ventures

basisset.comAPR 15, 2026

APR 15, 2026

Investment

Led Daydream's $15M Series A for end-to-end automation of programmatic SEO.

Daydream

Daydream Basis Set Ventures

basisset.comAPR 2, 2026

APR 2, 2026

Investment

Participated in Neion Bio's seed round as the company emerged from stealth with a genetic engineering platform for biomanufacturing.

Neion Bio

Neion Bio Basis Set Ventures

biospace.comMAR 26, 2026

MAR 26, 2026

Investment

Led Neion's $11M Seed for a better way to make medicine through AI-driven discovery.

Neion

NeionBasis Set Ventures

basisset.comMAR 25, 2026

MAR 25, 2026

Essay

Published perspective on the centrality of context to modern AI applications.

Context is All Your Company Needs

Basis Set Ventures

basisset.comMAR 13, 2026

MAR 13, 2026

Essay

Essay exploring how the definition of a developer is evolving with AI and agent tooling.

The New Meaning of 'Developer'

Basis Set Ventures

basisset.comMAR 12, 2026

MAR 12, 2026

Milestone

Portfolio company Quince raised $500M Series E at $10.1B valuation, with revenue surpassing $1B.

Quince

Quince Basis Set Ventures

techcrunch.comMAR 11, 2026

MAR 11, 2026

Exit

Portfolio company Momentum acquired in merger/acquisition transaction.

Momentum

Momentum Basis Set Ventures

pitchbook.comMAR 2026

MAR 2026

3 investments· FEB 2026Show all

Investment

Led Quill Notes' $6.5M seed round for sovereign AI agent that coordinates AI tools with contextual intelligence.

Quill Notes

Quill NotesBasis Set Ventures

morningstar.comFEB 25, 2026

FEB 25, 2026

Investment

Led Reflow's $15M Seed for workflow intelligence applied to AI operations.

Reflow

Reflow Basis Set Ventures

basisset.comFEB 11, 2026

FEB 11, 2026

Investment

Led Entire's $60M Seed for developer platform enabling human and agent collaboration.

Entire

Entire Basis Set Ventures

basisset.comFEB 10, 2026

FEB 10, 2026

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