DOSSIER · 13F-HR · Q1 2026
Boston Common Asset Management, LLC
Boston Common Asset's family office based in San Francisco, CA — $1.6B in tracked AUM across 186 positions as of Q1 2026.
BC
Boston Common Asset·San Francisco, CA·Family Office
CIK 0001409427 · last filed Mar 31, 2026
AI Analysis · Q1 2026 · Q1 2026
Portfolio Overview
Boston Common Asset Management reports a 13F portfolio valued at $1.97 billion as of 2025-12-31, down 21.7% from $2.52 billion on 2025-09-30. The filing shows 196 reported holdings and substantial portfolio activity: 38 new positions and 38 full exits, with only 3 increases and 9 reductions among continuing positions. That mix (38 in / 38 out) implies a high realized turnover during the quarter.
By count the portfolio is diversified (196 names), but concentration is meaning...
Quarter at a glance — Q1 2026
Position-change comparison pending.
No quarter-over-quarter changes available.
Top 10 holdings
By portfolio weight as of Q1 2026.
Filing history
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