Klingenstein Fields & Co’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$343K Hold
2025
Q1
$374K Hold
2024
Q4
$418K Sell
2024
Q3
$573K Sell
2024
Q2
$708K Sell
2024
Q1
$675K Sell
2023
Q4
$813K Hold
2023
Q3
$808K Buy
2023
Q2
$520K Buy
2023
Q1
$437K Hold
2022
Q4
$435K Hold
2022
Q3
$419K Buy
2017
Q3
Sell
2017
Q2
$16.5M Sell
2017
Q1
$16.9M Buy
2016
Q4
$17.5M Buy
2016
Q3
$18.1M Buy
2016
Q2
$14M Buy
2016
Q1
$14.3M Buy
2015
Q4
$16.3M Sell
2015
Q3
$15.6M Buy