OAM
Oberweis Asset Management’s Tandem Diabetes Care TNDM Stock Holding History
| Quarter | Market Value | Status | Shares |
Shares Change % | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q1 | – | Sell |
-506,600
| Closed | -$18.2M | – | 213 |
|
|
2024
Q4 | $18.2M | Buy |
506,600
+58,550
| +13% | +$2.11M | 0.86% | 35 |
|
|
2024
Q3 | $19M | Buy |
448,050
+166,050
| +59% | +$7.04M | 0.97% | 25 |
|
|
2024
Q2 | $11.4M | Buy |
+282,000
| New | +$11.4M | 0.7% | 51 |
|
|
2021
Q1 | – | Sell |
-36,980
| Closed | -$3.54M | – | 181 |
|
|
2020
Q4 | $3.54M | Sell |
36,980
-16,390
| -31% | -$1.57M | 0.93% | 16 |
|
|
2020
Q3 | $6.06M | Sell |
53,370
-5,855
| -10% | -$664K | 2.04% | 8 |
|
|
2020
Q2 | $5.86M | Sell |
59,225
-8,405
| -12% | -$831K | 2.3% | 9 |
|
|
2020
Q1 | $4.35M | Sell |
67,630
-42,310
| -38% | -$2.72M | 2.4% | 6 |
|
|
2019
Q4 | $6.55M | Sell |
109,940
-89,470
| -45% | -$5.33M | 2.18% | 6 |
|
|
2019
Q3 | $11.8M | Sell |
199,410
-16,510
| -8% | -$974K | 2.66% | 5 |
|
|
2019
Q2 | $13.9M | Buy |
215,920
+24,800
| +13% | +$1.6M | 2.53% | 5 |
|
|
2019
Q1 | $12.1M | Sell |
191,120
-33,740
| -15% | -$2.14M | 2.44% | 6 |
|
|
2018
Q4 | $8.54M | Sell |
224,860
-190
| -0.1% | -$7.21K | 1.91% | 7 |
|
|
2018
Q3 | $9.64M | Buy |
+225,050
| New | +$9.64M | 1.87% | 9 |
|