Tandem Diabetes Care shares owned by Ameriprise Financial
Quarter-by-quarter ownership of Tandem Diabetes Care (TNDM) shares owned by Ameriprise Financial
from 13F filings
Historical chart of Ameriprise Financial investment in Tandem Diabetes Care
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All positions including Tandem Diabetes Care held by Ameriprise Financial consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Tandem Diabetes Care by Ameriprise Financial
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $2.0M | 169k | 12.14 |
| 2025-06-30 | $7.8M | 419k | 18.64 |
| 2025-03-31 | $7.4M | 388k | 19.16 |
| 2024-12-31 | $13M | 346k | 36.02 |
| 2024-09-30 | $37M | 871k | 42.41 |
| 2024-06-30 | $60M | 1.5M | 40.29 |
| 2024-03-31 | $28M | 792k | 35.41 |
| 2023-09-30 | $5.7M | 273k | 20.77 |
| 2023-06-30 | $7.0M | 285k | 24.54 |
| 2023-03-31 | $12M | 288k | 40.61 |
| 2022-12-31 | $9.7M | 216k | 44.96 |
| 2022-09-30 | $11M | 219k | 47.84 |
| 2022-06-30 | $12M | 210k | 59.18 |
| 2022-03-31 | $79M | 678k | 116.29 |
| 2021-12-31 | $29M | 192k | 150.52 |
| 2021-09-30 | $20M | 171k | 119.38 |
| 2021-06-30 | $8.2M | 84k | 97.40 |
| 2021-03-31 | $22M | 247k | 88.25 |
| 2020-12-31 | $35M | 365k | 95.68 |
| 2020-09-30 | $42M | 366k | 113.50 |
| 2020-06-30 | $34M | 348k | 98.92 |
| 2020-03-31 | $21M | 326k | 64.35 |
| 2019-12-31 | $14M | 229k | 59.61 |
| 2019-09-30 | $2.6M | 45k | 58.98 |
| 2019-06-30 | $3.3M | 52k | 64.56 |
| 2019-03-31 | $2.6M | 41k | 63.51 |
| 2018-12-31 | $12M | 320k | 37.96 |
| 2018-09-30 | $13M | 291k | 42.85 |
| 2018-06-30 | $11M | 482k | 22.02 |