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  Ciena Corp. (CIEN)
← All CIEN superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 809,522 2.51 Buy 2.51 $216.07–446.89 · VW $320.33i $314,280,726 SEC
2025   Q4 0 0.00 Sell 100.00% 2.13 $143.19–248.00 · VW $198.96i SEC
2025   Q3 2,006,662 2.13 Buy 2.13 $76.89–146.53 · VW $107.95i $292,310,454 SEC
Price snapshot:
Current price$445.44
Avg. buy price$388.23
+/- since buy14.74%
52-week low$76.89
52-week high$637.51