Thomas Russo - Gardner Russo & Quinn
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    86
Portfolio value:    $8,496,278,296
Holdings Activity Buys Sells    History
Holding/activity history for  Amgen Inc. (AMGN)
← All AMGN superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2013   Q2 0 0.00 Sell 100.00% <0.01 $94.15–116.25 · VW $106.45i SEC
2013   Q1 100 <0.01 $100.00 $10,000 SEC
2012   Q4 100 <0.01 $90.00 $9,000 SEC
2012   Q3 100 <0.01 $80.00 $8,000 SEC
2012   Q2 100 <0.01 $70.00 $7,000 SEC
2012   Q1 100 <0.01 $70.00 $7,000 SEC
2011   Q4 100 <0.01 $60.00 $6,000 SEC
2011   Q3 100 <0.01 Buy <0.01 $52.50–59.05 · VW $56.49i $5,000 SEC
2008   Q3 0 0.00 Sell 100.00% <0.01 $45.00–66.51 · VW $55.68i SEC
2008   Q2 675 <0.01 $47.41 $32,000 SEC
2008   Q1 675 <0.01 $41.48 $28,000 SEC
2007   Q4 675 <0.01 Reduce 8.78% <0.01 $43.72–55.53 · VW $48.26i $31,000 SEC
2007   Q3 740 <0.01 Reduce 72.99% <0.01 $50.11–59.08 · VW $54.81i $42,000 SEC
2007   Q2 2,740 <0.01 $55.11 $151,000 SEC
2007   Q1 2,740 <0.01 $55.84 $153,000 SEC
2006   Q4 2,740 <0.01 Reduce 1.79% <0.01 $63.86–76.95 · VW $68.36i $187,000 SEC
2006   Q3 2,790 <0.01 $71.68 $200,000 SEC
2006   Q2 2,790 <0.01 Buy <0.01 $63.52–71.49 · VW $67.68i $182,000 SEC
2006   Q1 0 0.00 Sell 100.00% 0.02 $65.14–76.88 · VW $69.87i SEC
2005   Q4 8,175 0.02 Add 98.18% <0.01 $70.03–82.08 · VW $75.86i $645,000 SEC
2005   Q3 4,125 <0.01 Reduce 6.78% <0.01 $73.13–86.92 · VW $80.33i $329,000 SEC
2005   Q2 4,425 0.01 Buy 0.01 $59.50–84.00 · VW $74.47i $267,536 SEC
1999   Q4 0 0.00 Sell 100.00% <0.01 $42.63–76.50 · VW $62.44i SEC
1999   Q3 2,400 <0.01 Reduce 7.69% <0.01 $37.00–50.06 · VW $44.21i $97,800,000 SEC
1999   Q2 2,600 <0.01 $30.44 $79,138 SEC
1999   Q1 2,600 <0.01 $37.31 $97,000 SEC
Price snapshot:
Current price$360.45
52-week low$264.02
52-week high$388.36