William Frels - Mairs & Power
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  Northern Trust Corp. (NTRS)
← All NTRS superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 2,400 <0.01 $139.57 $334,968 SEC
2025   Q4 2,400 <0.01 Reduce 1.64% <0.01 $129.98–157.60 · VW $143.56i $327,816 SEC
2025   Q3 2,440 <0.01 $134.60 $328,424 SEC
2025   Q2 2,440 <0.01 Add 14.02% <0.01 $104.99–133.00 · VW $123.09i $309,368 SEC
2025   Q1 2,140 <0.01 Reduce 4.46% <0.01 $81.62–111.92 · VW $100.09i $211,111 SEC
2024   Q4 2,240 <0.01 Reduce 54.79% <0.01 $98.42–114.67 · VW $107.77i $229,600 SEC
2024   Q3 4,955 <0.01 Reduce 61.46% <0.01 $85.63–111.87 · VW $102.89i $446,099 SEC
2024   Q2 12,857 0.01 Reduce 86.33% 0.07 $79.68–92.46 · VW $87.78i $1,079,731 SEC
2024   Q1 94,071 0.08 Reduce 37.92% 0.05 $79.30–89.25 · VW $84.26i $8,364,793 SEC
2023   Q4 151,532 0.13 Reduce 33.21% 0.06 $76.67–86.92 · VW $81.91i $12,786,270 SEC
2023   Q3 226,882 0.19 Reduce 49.07% 0.18 $62.44–79.82 · VW $73.84i $15,763,761 SEC
2023   Q2 445,497 0.36 Reduce 5.80% 0.03 $70.12–82.44 · VW $76.21i $33,029,148 SEC
2023   Q1 472,928 0.48 Reduce 7.45% 0.04 $69.54–95.82 · VW $79.09i $41,679,145 SEC
2022   Q4 511,022 0.54 Reduce 19.67% 0.14 $85.69–100.25 · VW $93.74i $45,220,337 SEC
2022   Q3 636,165 0.69 Add 6.83% 0.04 $76.15–100.74 · VW $90.00i $54,430,000 SEC
2022   Q2 595,516 0.69 Add 13.24% 0.08 $89.68–112.54 · VW $99.10i $57,455,000 SEC
2022   Q1 525,908 0.62 Buy 0.62 $100.05–121.25 · VW $111.02i $61,242,000 SEC
Price snapshot:
Current price$184.11
Avg. buy price$114.07
+/- since buy61.39%
52-week low$116.35
52-week high$185.57