# Security Trading

Security Trading is a Single Family Office based in Helsinki, Finland.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Helsinki, Finland
- **Region:** Europe
- **Address:** Helsinki, Finland
- **Founded:** 2005
- **Assets under management:** 4300 (Altss estimate)
- **Website:** https://www.securitytrading.fi/
- **LinkedIn:** https://fi.linkedin.com/company/security-trading

## Regulatory record

- **Reports private funds:** No

## About

Antti Herlin established Security Trading to steward the family wealth tied to KONE, the elevator and escalator manufacturer. The office maintains board representation through Jussi Herlin at KONE and Tiina Herlin at the TAH Foundation. These structures separate operating-company governance from pure investment activity. Security Trading deploys capital through direct co-investments and SPVs alongside secondaries. It targets ClimateTech, Energy Transition & Renewables, Circular Economy, and Healthcare Services. Confirmed positions include the 2023 take-private of Caverion Corporation in partnership with Bain Capital. The firm also holds repeated co-investments with the Ehrnrooth family in Finnish industrial assets. Allocations remain concentrated in Europe, with Finland as the core market. The office employs a compact team led by Iivo Paukkeri, who was appointed Head of Investments in 2025. Additional holdings include Puistokatu 4 in Helsinki and Hisra Consulting and Finance Oy. Security Trading maintains board roles at Technology Industries of Finland and the Confederation of Finnish Industries. Philanthropic vehicles sit alongside the investment office through the KONE Foundation and TAH Foundation. The family-office architecture keeps investment decisions inside the Herlin principals rather than delegating to external managers. Board overlap between KONE, the TAH Foundation, and Security Trading creates direct information flow on industrial assets. This integration distinguishes the structure from pure financial family offices that lack operating-company adjacency.

## Sectors

- ClimateTech
- Energy Transition & Renewables
- Circular Economy
- Healthcare Services

## People

- Antti Herlin — Chairman and principal owner
- Jussi Herlin — Board member
- Tiina Herlin — Board member
- Iivo Paukkeri — Head of Investments

## Questions

### Who runs investment decisions at Security Trading?

Antti Herlin serves as Chairman. Iivo Paukkeri was appointed Head of Investments in 2025. Jussi Herlin and Tiina Herlin sit on the board.

### How does Security Trading source proprietary deal flow?

The firm draws on board seats at KONE and industry associations. It also maintains recurring co-investments with the Ehrnrooth family in Finnish industrial assets.

### Does Security Trading participate in fund commitments or only direct deals?

The office executes direct co-investments and SPVs. It also allocates to secondaries and special situations.

### What investment stages does Security Trading typically target?

The firm focuses on mature industrial and infrastructure assets. It has executed take-private transactions such as the 2023 Caverion deal.

### Does Security Trading maintain philanthropic structures?

Yes. The KONE Foundation and TAH Foundation operate alongside the investment office. Tiina Herlin serves on the TAH Foundation board.

### What is Security Trading's known posture on co-investments alongside external GPs?

The firm has partnered with Bain Capital on the Caverion take-private. It also co-invests regularly with the Ehrnrooth family in Finnish deals.

## Related profiles

- [Olympus Ventures](https://altss.com/profile/olympus-ventures-schulze-family-office)
- [AzimuthZero](https://altss.com/profile/azimuthzero)

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Last updated: 2026-08-10T15:54:10.904Z

Canonical page: https://altss.com/profile/security-trading

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