John Rogers - Ariel Investments
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    106
Portfolio value:    $8,934,260,435
Holdings Activity Buys Sells    History
Holding/activity history for  Aspen Aerogels Inc. (ASPN)
← All ASPN superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2019   Q4 0 0.00 Sell 100.00% 0.04 $5.58–8.51 · VW $6.89i SEC
2019   Q3 444,331 0.04 Reduce 34.64% 0.02 $5.53–7.50 · VW $6.34i $2,630,000 SEC
2019   Q2 679,817 0.06 Reduce 53.61% 0.03 $2.42–7.15 · VW $5.29i $4,847,000 SEC
2019   Q1 1,465,380 0.05 Reduce 19.76% <0.01 $2.13–3.79 · VW $3.00i $3,737,000 SEC
2018   Q4 1,826,280 0.05 Reduce 0.69% <0.01 $1.60–4.77 · VW $3.00i $3,890,000 SEC
2018   Q3 1,838,989 0.09 Add 10.92% <0.01 $4.00–5.27 · VW $4.63i $8,404,000 SEC
2018   Q2 1,657,889 0.09 Add 37.82% 0.02 $4.03–5.32 · VW $4.65i $8,124,000 SEC
2018   Q1 1,202,956 0.06 Add 10.27% <0.01 $4.18–5.58 · VW $4.70i $5,137,000 SEC
2017   Q4 1,090,898 0.06 Reduce 0.42% <0.01 $4.12–5.14 · VW $4.65i $5,324,000 SEC
2017   Q3 1,095,517 0.06 Add 0.14% <0.01 $3.99–4.90 · VW $4.34i $4,765,000 SEC
2017   Q2 1,093,997 0.06 Reduce 26.27% 0.02 $3.95–4.62 · VW $4.24i $4,868,000 SEC
2017   Q1 1,483,872 0.08 Reduce 10.36% <0.01 $3.84–4.86 · VW $4.30i $6,158,000 SEC
2016   Q4 1,655,326 0.08 Add 129.35% 0.05 $3.61–6.71 · VW $4.56i $6,836,000 SEC
2016   Q3 721,737 0.05 Buy 0.05 $4.42–6.29 · VW $5.17i $4,302,000 SEC