DOSSIER · 13F Holders · Q4 2025

Investor AB 'B'

2 institutions still hold Investor AB 'B' as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP W48102128·2 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$17M
visible holders
Holders
2
filers reporting
Concentration
95.65%
BEDDOW CAPITAL MANAGEMENT INC #1
top holder share
AI Holders Summary · Q4 2025

2 institutions reported Investor AB 'B' in Q4 2025. BEDDOW CAPITAL MANAGEMENT INC leads at 95.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BEDDOW CAPITAL MANAGEMENT INC
CIK 0001278641
$16M459K6.15%Q4 2025
02
KELLEHER FINANCIAL ADVISORS
CIK 0001507971
$741K18K0.11%Q2 2026