1517 Fund | Activity | F4

1517 Fund Activity

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

Types

Time range

4 investments· MAY 2026 – OCT 2026Show all

Investment

1517 Fund's latest investment was in Rebel Labs, a Business/Productivity Software company, on Oct 1, 2026.

Rebel Labs

Rebel Labs 1517 Fund

pitchbook.comOCT 1, 2026

OCT 1, 2026

Investment

1517 Fund participated in Positron AI's Series C round on Sep 10, 2026, following earlier investments in Series A and Series B.

Positron AI

Positron AI 1517 Fund

tracxn.comSEP 10, 2026

SEP 10, 2026

Investment

1517 Fund participated in Arcturus Technologies' $8M Seed round alongside Initialized Capital and Wireframe Ventures to develop carbon nanomaterials-infused metals.

Arcturus Technologies

Arcturus Technologies 1517 Fund

miningstockeducation.comJUN 30, 2026

JUN 30, 2026

Investment

Participated in Reprogram Biosciences' seed round alongside Unshackled Ventures and Narya to advance mRNA-based tumor cell reprogramming therapeutics.

Reprogram Biosciences

Reprogram Biosciences 1517 Fund

biospace.comMAY 27, 2026

MAY 27, 2026

Milestone

Opened applications for Flux Capacitor 2026, providing $50k-$1M investments for moonshot scientists and unconventional founders.

Flux Capacitor 2026 Program Launch

1517 Fund

techpression.comMAR 30, 2026

MAR 30, 2026

Investment

1517 Fund invested in Dognosis at Seed stage on Mar 25, 2026, alongside Accel Atoms and others.

Dognosis

Dognosis 1517 Fund

tracxn.comMAR 25, 2026

MAR 25, 2026

Investment

Participated in Positron AI's $51.6M Series A for inference-optimized AI hardware.

Positron AI

Positron AI 1517 Fund

readmagazine.comFEB 2026

businesswire.com

FEB 2026

Exit

Portfolio company Luminar Technologies' semiconductor division sold to Quantum Computing Inc. for $110M.

Luminar Technologies

Luminar Technologies 1517 Fund

investors.luminartech.comDEC 2025

prnewswire.com

DEC 2025

Milestone

Portfolio company Lambda raised $1.5B Series E, reaching $5.9B valuation for AI infrastructure.

Lambda Labs

Lambda Labs 1517 Fund

businesswire.comNOV 18, 2025

techcrunch.com

NOV 18, 2025

Investment

Invested in Loomia, an e-textile circuit technology provider for smart textiles applications.

Loomia

Loomia 1517 Fund

pitchbook.comNOV 12, 2025

loomia.com

NOV 12, 2025

Essay

Danielle Strachman published essay on 1517's founding journey, fund evolution, and LP transparency in venture.

A Drop in the Ocean

1517 Fund

1517.substack.comOCT 2, 2025

OCT 2, 2025

Essay

Danielle Strachman shared the journey of building 1517 Fund, reflecting on the path from founding to Fund IV with lessons on effort, timing, and founder belief.

A drop in the ocean - Building 1517

1517 Fund

1517.substack.comOCT 2025

OCT 2025

Investment

Participated in Astrus's $8M seed round (co-led by Khosla Ventures) for AI-powered semiconductor design automation.

Astrus

Astrus 1517 Fund

thesaasnews.comSEP 2025

businesswire.com

SEP 2025

Investment

Participated in $51.6M Series A for energy-efficient AI inference hardware development.

Positron AI

Positron AI 1517 Fund

businesswire.comJUL 2025

finance.yahoo.com

JUL 2025

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