Richard Pzena - Pzena Investment Management
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    158
Portfolio value:    $30,796,447,662
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
2025   Q1 0 0.00 Sell 100.00% <0.01 $261.43–335.88 · VW $295.16i SEC
2024   Q4 803 <0.01 Buy <0.01 $253.30–318.30 · VW $293.22i $209,294 SEC
2023   Q4 0 0.00 Sell 100.00% 0.27 $266.63–329.72 · VW $290.06i SEC
2023   Q3 235,266 0.27 Reduce 53.45% 0.26 $248.38–288.46 · VW $268.83i $63,230,090 SEC
2023   Q2 505,353 0.48 Reduce 2.30% 0.01 $211.71–268.24 · VW $245.43i $112,198,473 SEC
2023   Q1 517,248 0.54 Add 1.50% <0.01 $214.48–256.44 · VW $230.52i $125,044,704 SEC
2022   Q4 509,626 0.59 Add 2.02% 0.01 $231.60–288.09 · VW $250.45i $133,848,173 SEC
2022   Q3 499,532 0.56 Reduce 4.34% 0.02 $223.30–296.67 · VW $268.79i $112,595,000 SEC
2022   Q2 522,173 0.57 Reduce 1.89% <0.01 $229.49–257.97 · VW $242.59i $127,045,000 SEC
2022   Q1 532,210 0.49 Reduce 0.50% <0.01 $223.74–258.45 · VW $246.31i $128,699,000 SEC
2021   Q4 534,870 0.45 Add 0.30% <0.01 $198.64–244.71 · VW $223.28i $120,330,000 SEC
2021   Q3 533,272 0.45 Reduce 11.26% 0.06 $198.73–227.19 · VW $208.27i $113,400,000 SEC
2021   Q2 600,920 0.57 Add 10.24% 0.05 $220.16–250.39 · VW $232.03i $146,474,000 SEC
2021   Q1 545,096 0.55 Add 6.08% 0.03 $220.25–261.00 · VW $239.73i $135,625,000 SEC
2020   Q4 513,850 0.56 Add 2.39% 0.01 $220.08–276.69 · VW $240.56i $118,144,000 SEC
2020   Q3 501,877 0.80 Reduce 6.29% 0.05 $210.28–260.06 · VW $230.79i $127,557,000 SEC
2020   Q2 535,571 0.82 Reduce 51.33% 0.87 $213.86–264.97 · VW $244.05i $126,320,000 SEC
2020   Q1 1,100,337 1.69 Reduce 15.96% 0.23 $177.05–244.95 · VW $217.23i $223,071,000 SEC
2019   Q4 1,309,307 1.47 Add 8.27% 0.11 $195.18–244.99 · VW $213.30i $315,635,000 SEC
2019   Q3 1,209,274 1.27 Reduce 0.99% 0.01 $188.78–235.80 · VW $219.77i $234,007,000 SEC
2019   Q2 1,221,320 1.19 Add 28.56% 0.26 $170.56–211.90 · VW $197.03i $225,065,000 SEC
2019   Q1 950,019 0.98 Reduce 21.32% 0.29 $166.30–196.87 · VW $176.62i $180,485,000 SEC
2018   Q4 1,207,468 1.37 Reduce 23.17% 0.37 $178.29–208.30 · VW $192.22i $235,058,000 SEC
2018   Q3 1,571,550 1.58 Reduce 0.41% <0.01 $181.31–210.19 · VW $199.92i $325,767,000 SEC
2018   Q2 1,578,099 1.47 Add 17.65% 0.22 $179.79–200.90 · VW $193.50i $291,301,000 SEC
2018   Q1 1,341,311 1.16 Add 79361.55% 1.16 $163.31–192.62 · VW $178.52i $228,667,000 SEC
2017   Q4 1,688 <0.01 Add 34.50% <0.01 $168.25–201.23 · VW $184.42i $294,000 SEC
2017   Q3 1,255 <0.01 Reduce 6.27% <0.01 $168.15–191.10 · VW $178.30i $234,000 SEC
2017   Q2 1,339 <0.01 Add 3.24% $155.24–182.60 · VW $171.87i $231,000 SEC
2017   Q1 1,297 <0.01 Reduce 5.47% <0.01 $152.16–184.21 · VW $163.87i $213,000 SEC
2016   Q4 1,372 <0.01 Add 14.72% <0.01 $138.83–178.25 · VW $164.54i $201,000 SEC
2016   Q3 1,196 <0.01 Buy <0.01 $133.64–176.85 · VW $151.52i $200,000 SEC
2009   Q1 0 0.00 Sell 100.00% 0.48 $44.96–52.82 · VW $49.24i SEC
2008   Q4 680,823 0.48 Reduce 85.46% 1.88 $48.78–60.15 · VW $52.62i $39,318,000 SEC
2008   Q3 4,682,808 2.20 Reduce 62.38% 2.44 $45.00–66.51 · VW $55.68i $277,550,000 SEC
2008   Q2 12,446,709 3.91 Add 24.69% 0.77 $42.90–65.60 · VW $57.12i $586,987,000 SEC
2007   Q4 9,982,236 2.35 Reduce 4.30% 0.10 $43.72–55.53 · VW $48.26i $463,575,000 SEC
2007   Q3 10,430,833 2.42 Add 8.87% 0.20 $50.11–59.08 · VW $54.81i $590,072,000 SEC
2007   Q2 9,580,990 2.01 Reduce 8.21% 0.21 $48.30–59.31 · VW $52.57i $529,733,000 SEC
2007   Q1 10,438,004 2.58 Buy 2.58 $52.36–66.06 · VW $58.29i $436,100,000 SEC
Price snapshot:
Current price$360.45
52-week low$264.02
52-week high$388.36