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 Biogen Inc. (BIIB)
| Period |
Shares |
% of Portfolio |
Activity |
% Change to Portfolio |
Reported Price |
Value |
Filing |
| 2005 Q2 |
0 |
0.00 |
Sell 100.00%
|
0.64 |
|
|
SEC |
| 2005 Q1 |
962,500 |
0.64 |
Buy
|
0.64 |
$34.51 |
$33,216,000 |
SEC |