William Frels - Mairs & Power Inc
Period: Q1 2026
Portfolio date: 31 Mar 2026
No. of stocks: 245
Portfolio value: $9,786,094,433
Holding/activity history for US Silica Hldgs Inc (SLCA)
| Period |
Shares |
% of Portfolio |
Activity |
% Change to Portfolio |
Reported Price |
Value |
Filing |
| 2014 Q3 |
0 |
0.00 |
Sell 100.00%
|
<0.01 |
|
|
SEC |
| 2014 Q2 |
5,400 |
<0.01 |
|
|
$55.37 |
$299,000 |
SEC |
| 2014 Q1 |
5,400 |
<0.01 |
Reduce 64.00%
|
<0.01 |
$38.15 |
$206,000 |
SEC |
| 2013 Q4 |
15,000 |
0.01 |
Buy
|
0.01 |
$34.13 |
$512,000 |
SEC |