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  Intuitive Surgical, Inc. (ISRG)
← All ISRG superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 99,885 0.47 Add 60.39% 0.18 $448.40–603.88 · VW $501.79i $46,045,986 SEC
2025   Q4 62,277 0.34 Buy 0.34 $427.84–583.45 · VW $535.87i $35,271,202 SEC
Price snapshot:
Current price$407.12
Avg. buy price$526.69
+/- since buy-22.70%
52-week low$396.68
52-week high$603.88