Institutional investor · Portfolio as of Q4 2025
Quarterly Portfolio Change
BLAIR WILLIAM & CO/IL manages $37.3B across 1865 positions as of Q4 2025. Top holdings: MSFT (4.6%), AAPL (4.3%), AMZN (3.8%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 4/5.0.
Active quarter - 122 new positions, 99 exits, 763 increased. Top move: AMZN (INCREASED, conviction 59). Portfolio: $37.3B across 1865 positions.
Top holdings by portfolio weight
Funds with similar investing DNA
Best and worst performing positions by estimated return
Upgrade to Pro to see the worst-performing positions.
View plansCost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
Positions with 2+ consecutive quarters of increases - persistent directional conviction.
Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer
Portfolio allocation by GICS sector
Behavioral investing profile