# OY Sirius Capital Partners

OY Sirius Capital Partners is a RIA based in Helsinki, Uusimaa, Finland.

## Overview

- **Organization type:** RIA
- **Headquarters:** Helsinki, Uusimaa, Finland
- **Region:** Europe
- **Address:** Mariehamn, Åland, Finland
- **Founded:** 2017
- **Assets under management:** Undisclosed
- **Website:** siriuscapital.fi

## Regulatory record

- **CRD number:** 269928
- **SEC file number:** 802-101489
- **Registration status:** Registered
- **Reports private funds:** Yes
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/269928

## About

OY SIRIUS CAPITAL PARTNERS AB is an exempt reporting adviser in HELSINKI, UUSIMAA. It is based in Finland. The firm advises on investment strategies.

## Sectors

- Financial Services
- Real Estate
- Private Equity
- Venture Capital

## People

- Peter Seligson — Owner and Chairman

## Questions

### Who runs investment decisions at OY Sirius Capital Partners?

Peter Seligson, the former chairman of Seligson & Co, drives investment decisions as the firm's owner and chairman. He is supported by a small internal team and engages external advisors for due diligence. The firm has not publicly named other investment professionals or a formal investment committee.

### Does the firm participate in fund commitments or only direct deals?

OY Sirius Capital Partners uses a hybrid approach, allocating to Nordic private-equity and growth funds while also making direct minority investments. The direct positions frequently involve board seats or active advisory relationships, particularly in smaller Finnish and Swedish companies where the Seligson name carries credibility from the asset-management era.

### Which sectors does OY Sirius Capital Partners typically target?

Based on public registry data and Seligson's disclosed investment pattern, the firm favors financial services, technology-enabled businesses, and commercial real estate. Its geographic lens is primarily Finland and Sweden. The firm has not published a formal sector-exclusion policy.

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- [Horizon Harvest Financial Planning](https://altss.com/profile/horizon-harvest-financial-planning)

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Last updated: 2026-08-14T12:30:00.000Z

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