John Gunn - Dodge & Cox
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    222
Portfolio value:    $181,976,456,224
Holdings Activity Buys Sells    History
Holding/activity history for  Biogen Inc. (BIIB)
← All BIIB superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2008   Q4 0 0.00 Sell 100.00% <0.01 $37.21–52.36 · VW $44.15i SEC
2008   Q3 6,000 <0.01 $50.33 $302,000 SEC
2008   Q2 6,000 <0.01 $55.83 $335,000 SEC
2008   Q1 6,000 <0.01 Buy <0.01 $54.50–64.49 · VW $59.88i $370,000 SEC
Price snapshot:
Current price$209.03
52-week low$121.05
52-week high$219.72