William Frels - Mairs & Power Inc
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433
Holdings Activity Buys Sells    History
Holding/activity history for  Altair Engr Inc (ALTR)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2025   Q1 0 0.00 Sell 100.00% <0.01 SEC
2024   Q4 4,431 <0.01 Reduce 96.52% 0.11 $109.11 $483,466 SEC
2024   Q3 127,394 0.11 Reduce 2.68% <0.01 $95.51 $12,167,401 SEC
2024   Q2 130,908 0.12 Reduce 5.68% <0.01 $98.08 $12,839,457 SEC
2024   Q1 138,788 0.12 Reduce 13.36% 0.02 $86.15 $11,956,586 SEC
2023   Q4 160,198 0.14 Reduce 11.94% 0.02 $84.15 $13,480,662 SEC
2023   Q3 181,928 0.13 Add 15.43% 0.02 $62.56 $11,381,416 SEC
2023   Q2 157,605 0.13 Add 2.96% <0.01 $75.84 $11,952,763 SEC
2023   Q1 153,075 0.13 Add 21.76% 0.02 $72.11 $11,038,238 SEC
2022   Q4 125,715 0.07 Add 13.74% <0.01 $45.47 $5,716,261 SEC
2022   Q3 110,525 0.06 Add 33.89% 0.02 $44.22 $4,887,000 SEC
2022   Q2 82,550 0.05 Buy 0.05 $52.50 $4,334,000 SEC