Stephen Mandel - Lone Pine Capital
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    36
Portfolio value:    $12,543,849,391
Holdings Activity Buys Sells    History
Holding/activity history for  MasTec, Inc. (MTZ)
← All MTZ superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 1,531,050 3.93 Buy 3.93 $226.09–401.19 · VW $340.44i $492,600,027 SEC
Price snapshot:
Current price$360.21
Avg. buy price$321.74
+/- since buy11.96%
52-week low$160.08
52-week high$441.43