Oberweis Asset Management’s Tandem Diabetes Care TNDM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
2024
Q4
$18.2M Buy
2024
Q3
$19M Buy
2024
Q2
$11.4M Buy
2021
Q1
Sell
2020
Q4
$3.54M Sell
2020
Q3
$6.06M Sell
2020
Q2
$5.86M Sell
2020
Q1
$4.35M Sell
2019
Q4
$6.55M Sell
2019
Q3
$11.8M Sell
2019
Q2
$13.9M Buy
2019
Q1
$12.1M Sell
2018
Q4
$8.54M Sell
2018
Q3
$9.64M Buy