Stephen Mandel - Lone Pine Capital
Period: Q1 2026
Portfolio date: 31 Mar 2026
No. of stocks: 36
Portfolio value: $12,543,849,391
Holding/activity history for - ------------------------------------------------------------------------------------------------------------------------------------ Osi Pharmaceuticals Inc (OSIP)
| Period |
Shares |
% of Portfolio |
Activity |
% Change to Portfolio |
Reported Price |
Value |
Filing |
| 2005 Q3 |
0 |
0.00 |
Sell 100.00%
|
0.58 |
|
|
SEC |
| 2005 Q2 |
783,334 |
0.58 |
|
|
$40.87 |
$32,015,000 |
SEC |
| 2005 Q1 |
783,334 |
0.63 |
Add 64.28%
|
0.25 |
$41.34 |
$32,383,000 |
SEC |
| 2004 Q4 |
476,834 |
0.64 |
|
|
$74.85 |
$35,691,000 |
SEC |