Bill Ackman - Pershing Square Capital Management,
Period: Q1 2026
Portfolio date: 31 Mar 2026
No. of stocks: 11
Portfolio value: $13,714,299,861
Holding/activity history for MBIA Inc. (MBI)
| Period |
Shares |
% of Portfolio |
Activity |
% Change to Portfolio |
Reported Price |
Value |
Filing |
| 2008 Q3 |
0 |
0.00 |
Sell 100.00%
|
0.16 |
|
|
SEC |
| 2008 Q2 |
873,000 |
0.16 |
Add 1,228.77%
|
0.15 |
$4.39 |
$3,832,000 |
SEC |
| 2008 Q1 |
65,700 |
<0.01 |
Reduce 90.58%
|
0.04 |
$1.13 |
$74,000 |
SEC |
| 2007 Q4 |
697,700 |
0.04 |
Buy
|
0.04 |
$0.78 |
$545,000 |
SEC |