Norbert Lou - Punch Card Management
Period: Q1 2026
Portfolio date: 31 Mar 2026
No. of stocks: 5
Portfolio value: $270,645,674
Holding/activity history for Berkshire Hathaway CL B (BRK.B)
| Period |
Shares |
% of Portfolio |
Activity |
% Change to Portfolio |
Reported Price |
Value |
Filing |
| 2015 Q4 |
0 |
0.00 |
Sell 100.00%
|
0.04 |
|
|
SEC |
| 2015 Q3 |
500 |
0.04 |
|
|
$130.00 |
$65,000 |
SEC |
| 2015 Q2 |
500 |
0.06 |
|
|
$136.00 |
$68,000 |
SEC |
| 2015 Q1 |
500 |
0.06 |
Buy
|
0.06 |
$144.00 |
$72,000 |
SEC |