13books Capital | Activity | F4

13books Capital Activity

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

Types

Time range

11 investments· JUN 2025 – OCT 2026Show all

Investment

13books Capital led a $2.5m pre-seed round for Weflayr, a French AI infrastructure startup building an AI gateway for routing inference. Founded by former Mangopay CEO Romain Mazeries and Noé Achache.

Weflayr

13books Capital

13bookscapital.comOCT 22, 2026

OCT 22, 2026

Investment

13books Capital led a Series A investment in Reactive Markets, a low-latency bilateral trading technology provider. The company operates daily FX trading volumes exceeding $80 billion and will expand into equities.

Reactive Markets

Reactive Markets 13books Capital

13bookscapital.comOCT 16, 2026

OCT 16, 2026

Investment

Led Seapoint's €7.5M Seed round for AI-native financial operations platform.

Seapoint

Seapoint 13books Capital

13bookscapital.comAPR 2026

APR 2026

Investment

Co-led €17.5M Series A in Blockbrain, a GenAI platform for enterprise-grade AI agents in regulated sectors.

Blockbrain

Blockbrain 13books Capital

13bookscapital.comFEB 12, 2026

FEB 12, 2026

Investment

Led Bitstack's $15M Series A for a Bitcoin savings application.

Bitstack

Bitstack 13books Capital

13bookscapital.comDEC 2025

DEC 2025

Investment

Led Series A in Reveni, an e-commerce platform using fintech to centralize global sales, returns and logistics.

Reveni

Reveni 13books Capital

13bookscapital.comOCT 2025

OCT 2025

Investment

Participated in LO:TECH's $5M Seed round for onchain capital markets infrastructure.

lo.tech

lo.tech 13books Capital

13bookscapital.comSEP 2025

SEP 2025

Investment

Led Reveni's €7.5M Series A for next-generation e-commerce logistics platform.

Reveni

Reveni 13books Capital

13bookscapital.comSEP 2025

SEP 2025

Investment

Participated in Najar's Series A for AI-driven procurement solutions.

najar.ai

najar.ai 13books Capital

crunchbase.comAUG 2025

AUG 2025

Investment

Led $5M seed round in LO:TECH, a digital asset trading platform for on-chain capital markets.

Low Observable Technology

Low Observable Technology13books Capital

finsmes.comAUG 2025

AUG 2025

Investment

Led €11M Series A in Ramify, a wealth management and financial advisory platform.

Ramify

Ramify 13books Capital

13bookscapital.comJUN 2025

JUN 2025

Exit

Portfolio company Roadzen (ticker: RDZN) completed IPO on NASDAQ on January 6, 2025.

Roadzen

Roadzen 13books Capital

nasdaq.comJAN 2025

JAN 2025