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  Gibraltar Industries Inc (ROCK)
← All ROCK superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2020   Q1 0 0.00 Sell 100.00% 0.05 $30.60–56.58 · VW $47.58i SEC
2019   Q4 217,340 0.05 Reduce 73.00% 0.15 $43.51–55.16 · VW $51.54i $10,963,000 SEC
2019   Q3 805,043 0.20 Reduce 21.96% 0.05 $38.79–47.23 · VW $41.94i $36,984,000 SEC
2019   Q2 1,031,560 0.22 Reduce 3.06% <0.01 $35.29–41.82 · VW $38.80i $41,634,000 SEC
2019   Q1 1,064,148 0.24 Reduce 13.58% 0.04 $33.42–43.48 · VW $38.64i $43,215,000 SEC
2018   Q4 1,231,364 0.26 Add 12.42% 0.03 $31.96–46.61 · VW $35.84i $43,824,000 SEC
2018   Q3 1,095,329 0.24 Reduce 30.23% 0.09 $36.50–49.10 · VW $43.85i $49,947,000 SEC
2018   Q2 1,569,893 0.30 Add 2.53% <0.01 $32.60–40.70 · VW $37.22i $58,871,000 SEC
2018   Q1 1,531,107 0.26 Reduce 13.21% 0.04 $30.06–38.80 · VW $34.96i $51,828,000 SEC
2017   Q4 1,764,060 0.29 Reduce 4.79% 0.01 $29.50–34.20 · VW $32.24i $58,214,000 SEC
2017   Q3 1,852,838 0.31 Add 133.45% 0.18 $25.61–36.08 · VW $30.12i $57,716,000 SEC
2017   Q2 793,663 0.16 Buy 0.16 $30.40–41.40 · VW $34.99i $28,294,000 SEC
2017   Q1 0 0.00 Sell 100.00% <0.01 $38.55–45.05 · VW $41.98i SEC
2016   Q4 10,240 <0.01 Reduce 98.19% 0.13 $34.54–48.05 · VW $42.04i $426,000 SEC
2016   Q3 567,077 0.13 Reduce 49.63% 0.11 $31.35–40.00 · VW $36.43i $21,067,000 SEC
2016   Q2 1,125,789 0.22 Reduce 20.09% 0.05 $24.12–32.46 · VW $29.06i $35,541,000 SEC
2016   Q1 1,408,780 0.25 Reduce 4.03% <0.01 $18.23–28.75 · VW $24.23i $40,291,000 SEC
2015   Q4 1,467,986 0.24 Reduce 30.26% 0.08 $17.79–27.89 · VW $24.84i $37,346,000 SEC
2015   Q3 2,105,009 0.25 Reduce 3.87% 0.01 $15.94–21.49 · VW $18.31i $38,627,000 SEC
2015   Q2 2,189,654 0.26 Add 18.52% 0.04 $15.75–21.38 · VW $18.42i $44,603,000 SEC
2015   Q1 1,847,573 0.17 Reduce 0.55% <0.01 $13.44–17.22 · VW $15.51i $30,319,000 SEC
2014   Q4 1,857,795 0.16 Add 10.87% 0.02 $12.65–16.65 · VW $15.04i $30,208,000 SEC
2014   Q3 1,675,631 0.13 Add 87.64% 0.06 $13.65–16.49 · VW $15.01i $22,939,000 SEC
2014   Q2 892,994 0.08 Buy 0.08 $14.50–19.01 · VW $16.28i $13,850,000 SEC