Thomas Russo - Gardner Russo & Quinn
Period: Q1 2026
Portfolio date: 31 Mar 2026
No. of stocks: 86
Portfolio value: $8,496,278,296
Holding/activity history for Sigma Aldrich Corp (SIAL)
| Period |
Shares |
% of Portfolio |
Activity |
% Change to Portfolio |
Reported Price |
Value |
Filing |
| 1999 Q4 |
0 |
0.00 |
Sell 100.00%
|
<0.01 |
|
|
SEC |
| 1999 Q3 |
300 |
<0.01 |
Reduce 25.00%
|
<0.01 |
$31,750.00 |
$9,525,000 |
SEC |
| 1999 Q2 |
400 |
<0.01 |
|
|
$34,437.50 |
$13,775,000 |
SEC |
| 1999 Q1 |
400 |
<0.01 |
|
|
$30.00 |
$12,000 |
SEC |