BU
Birger Underdal
Birger Underdal is a private shareholder with an estimated portfolio value of NOK 186,000. Birger Underdal holds stakes in 2 companies.
Estimated portfolio value
NOK 186,000
The sum of estimated values across all known holdings in Norwegian AS/ASA companies
Companies Birger Underdal owns
| Company | Stake | Value (est.) |
|---|---|---|
| AREALO GRUPPEN AS | 2.0% | – |
| AIRTHINGS AS | 0.0% | NOK 160,000 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.