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)
← All NOC superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2014   Q2 0 0.00 Sell 100.00% 0.01 $118.23–128.66 · VW $124.70i SEC
2014   Q1 19,184 0.01 Reduce 0.17% $116.11–126.00 · VW $121.22i $2,367,000 SEC
2013   Q4 19,216 0.01 Reduce 97.84% 0.56 $107.21–123.65 · VW $117.30i $2,202,000 SEC
2013   Q3 890,221 0.57 Reduce 76.96% 1.70 $92.32–114.48 · VW $106.49i $84,802,000 SEC
2013   Q2 3,863,605 2.21 Reduce 6.15% 0.13 $80.64–96.42 · VW $89.78i $319,906,000 SEC
2013   Q1 4,116,900 2.07 Add 6.86% 0.13 $64.20–84.06 · VW $76.88i $288,801,000 SEC
2012   Q4 3,852,775 2.18 Reduce 23.26% 0.66 $64.35–69.61 · VW $66.55i $260,371,000 SEC
2012   Q3 5,020,723 2.83 Reduce 0.12% <0.01 $62.80–71.25 · VW $66.92i $333,527,000 SEC
2012   Q2 5,026,689 3.81 Reduce 8.81% 0.31 $56.59–70.20 · VW $64.56i $320,652,000 SEC
2012   Q1 5,512,539 3.52 Reduce 6.89% 0.26 $57.61–65.78 · VW $60.71i $336,706,000 SEC
2011   Q4 5,920,426 3.83 Reduce 0.17% <0.01 $55.00–61.86 · VW $58.89i $346,227,000 SEC
2011   Q3 5,930,771 3.76 Reduce 11.41% 0.49 $49.97–59.83 · VW $55.62i $309,408,000 SEC
2011   Q2 6,694,854 4.33 Reduce 2.32% 0.09 $49.20–70.61 · VW $58.14i $464,288,000 SEC
2011   Q1 6,853,886 3.82 Reduce 13.37% 0.61 $57.98–65.79 · VW $63.02i $429,807,000 SEC
2010   Q4 7,911,592 4.57 Add 1.22% 0.06 $56.49–65.50 · VW $60.75i $463,055,000 SEC
2010   Q3 7,816,087 4.59 Add 7.92% 0.34 $49.26–59.34 · VW $54.78i $428,159,000 SEC
2010   Q2 7,242,806 3.95 Reduce 2.22% 0.09 $48.34–56.97 · VW $51.40i $356,249,000 SEC
2010   Q1 7,407,575 4.11 Reduce 9.10% 0.46 $52.91–63.06 · VW $56.88i $438,843,000 SEC
2009   Q4 8,149,440 5.10 Reduce 2.86% 0.11 $48.70–56.22 · VW $53.42i $411,225,000 SEC
2009   Q3 8,389,597 3.95 Add 15.46% 0.53 $42.89–51.01 · VW $47.80i $392,265,000 SEC
2009   Q2 7,266,327 3.80 Add 0.22% <0.01 $38.41–45.27 · VW $42.59i $299,895,000 SEC
2009   Q1 7,250,546 4.31 Reduce 7.22% 0.28 $30.55–45.85 · VW $39.81i $285,880,000 SEC
2008   Q4 7,814,950 3.91 Add 16.31% 0.55 $33.72–45.26 · VW $37.58i $318,019,000 SEC
2008   Q3 6,718,998 2.92 Add 0.66% 0.02 $30.68–65.22 · VW $44.30i $367,515,000 SEC
2008   Q2 6,675,022 2.69 Add 14.33% 0.34 $57.91–68.15 · VW $62.76i $403,466,000 SEC
2007   Q4 5,838,287 2.10 Reduce 21.66% 0.47 $68.24–75.43 · VW $71.57i $414,818,000 SEC
2007   Q3 7,452,891 2.16 Add 21.00% 0.37 $69.02–76.99 · VW $72.40i $525,228,000 SEC
2007   Q2 6,159,465 1.65 Add 17.53% 0.25 $66.71–72.60 · VW $70.18i $433,353,000 SEC
2007   Q1 5,240,911 2.18 Buy 2.18 $63.70–69.99 · VW $67.33i $368,443,000 SEC
2001   Q2 0 0.00 Sell 100.00% 0.16 $34.51–41.04 · VW $37.53i SEC
2000   Q4 34,643 0.16 Reduce 75.09% 0.75 $33.43–43.69 · VW $39.85i $1,299,000 SEC
2000   Q3 139,077 0.99 Reduce 75.65% 3.40 $34.50–42.41 · VW $38.33i $5,709,000 SEC
2000   Q2 571,174 4.50 Reduce 20.32% 1.02 $29.08–36.76 · VW $33.67i $17,094,000 SEC
2000   Q1 716,830 5.04 Add 7.41% 0.35 $19.26–36.56 · VW $30.14i $17,143,000 SEC
1999   Q4 667,405 3.26 Add 111.69% 1.72 $20.16–26.43 · VW $22.35i $16,300,000 SEC
1999   Q3 315,274 2.70 Add 3.58% 0.09 $22.87–32.95 · VW $26.86i $9,053,000 SEC
1999   Q2 304,372 1.93 Add 1.53% 0.03 $28.52–34.30 · VW $31.86i $9,118,000 SEC
1999   Q1 299,779 1.66 $27.05 $8,109,000 SEC
Price snapshot:
Current price$541.82
52-week low$493.84
52-week high$770.61