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  Northrop Grumman Corp. (NOC)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2014   Q2 0 0.00 Sell 100.00% 0.01 SEC
2014   Q1 19,184 0.01 Reduce 0.17% $123.38 $2,367,000 SEC
2013   Q4 19,216 0.01 Reduce 97.84% 0.56 $114.59 $2,202,000 SEC
2013   Q3 890,221 0.57 Reduce 76.96% 1.70 $95.26 $84,802,000 SEC
2013   Q2 3,863,605 2.21 Reduce 6.15% 0.13 $82.80 $319,906,000 SEC
2013   Q1 4,116,900 2.07 Add 6.86% 0.13 $70.15 $288,801,000 SEC
2012   Q4 3,852,775 2.18 Reduce 23.26% 0.66 $67.58 $260,371,000 SEC
2012   Q3 5,020,723 2.83 Reduce 0.12% <0.01 $66.43 $333,527,000 SEC
2012   Q2 5,026,689 3.81 Reduce 8.81% 0.31 $63.79 $320,652,000 SEC
2012   Q1 5,512,539 3.52 Reduce 6.89% 0.26 $61.08 $336,706,000 SEC
2011   Q4 5,920,426 3.83 Reduce 0.17% <0.01 $58.48 $346,227,000 SEC
2011   Q3 5,930,771 3.76 Reduce 11.41% 0.49 $52.17 $309,408,000 SEC
2011   Q2 6,694,854 4.33 Reduce 2.32% 0.09 $69.35 $464,288,000 SEC
2011   Q1 6,853,886 3.82 Reduce 4.12% 0.19 $62.71 $429,807,000 SEC
2010   Q4 7,148,123 4.57 Add 1.22% 0.06 $64.78 $463,055,000 SEC
2010   Q3 7,061,835 4.59 Add 7.92% 0.34 $60.63 $428,159,000 SEC
2010   Q2 6,543,875 3.95 Reduce 2.22% 0.09 $54.44 $356,249,000 SEC
2010   Q1 6,692,744 4.11 Reduce 9.10% 0.46 $65.57 $438,843,000 SEC
2009   Q4 7,363,019 5.10 Reduce 2.86% 0.11 $55.85 $411,225,000 SEC
2009   Q3 7,580,001 3.95 Add 15.46% 0.53 $51.75 $392,265,000 SEC
2009   Q2 6,565,126 3.80 Add 0.22% <0.01 $45.68 $299,895,000 SEC
2009   Q1 6,550,868 4.38 Reduce 7.22% 0.28 $43.64 $285,880,000 SEC
2008   Q4 7,060,807 3.91 Add 16.31% 0.55 $45.04 $318,019,000 SEC
2008   Q3 6,070,615 2.92 Add 0.66% 0.02 $60.54 $367,515,000 SEC
2008   Q2 6,030,882 2.69 Add 14.33% 0.34 $66.90 $403,466,000 SEC
2007   Q4 5,274,892 2.10 Reduce 21.66% 0.47 $78.64 $414,818,000 SEC
2007   Q3 6,733,687 2.16 Add 21.00% 0.37 $78.00 $525,228,000 SEC
2007   Q2 5,565,077 1.65 Add 17.53% 0.25 $77.87 $433,353,000 SEC
2007   Q1 4,735,163 2.18 Buy 2.18 $77.81 $368,443,000 SEC
2001   Q2 0 0.00 Sell 100.00% 2.70 SEC
1999   Q3 142,425 2.70 Add 3.58% 0.09 $63.56 $9,053,000 SEC
1999   Q2 137,500 1.93 Add 1.53% 0.03 $66.31 $9,118,000 SEC
1999   Q1 135,425 1.66 $59.88 $8,109,000 SEC