Tandem Diabetes Care shares owned by Sei Investments
Quarter-by-quarter ownership of Tandem Diabetes Care (TNDM) shares owned by Sei Investments
from 13F filings
Historical chart of Sei Investments investment in Tandem Diabetes Care
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Quarterly reported holdings in Tandem Diabetes Care by Sei Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $2.6M | 216k | 12.13 |
| 2025-06-30 | $3.5M | 187k | 18.65 |
| 2025-03-31 | $2.4M | 124k | 19.15 |
| 2024-12-31 | $4.5M | 124k | 36.01 |
| 2024-09-30 | $1.3M | 31k | 42.41 |
| 2024-03-31 | $614k | 17k | 35.41 |
| 2023-09-30 | $849k | 41k | 20.76 |
| 2023-06-30 | $516k | 21k | 25.00 |
| 2023-03-31 | $3.3M | 83k | 40.00 |
| 2022-12-31 | $3.6M | 81k | 45.00 |
| 2022-09-30 | $0 | 110k | 0.00 |
| 2022-06-30 | $0 | 116k | 0.00 |
| 2022-03-31 | $37M | 350k | 105.26 |
| 2021-12-31 | $85M | 561k | 150.53 |
| 2021-09-30 | $85M | 713k | 119.32 |
| 2021-06-30 | $68M | 717k | 95.24 |
| 2021-03-31 | $66M | 685k | 96.09 |
| 2020-12-31 | $53M | 552k | 96.09 |
| 2020-09-30 | $5.6M | 49k | 113.41 |
| 2020-06-30 | $6.2M | 63k | 98.83 |
| 2020-03-31 | $3.8M | 60k | 64.35 |
| 2019-12-31 | $3.4M | 57k | 59.61 |
| 2019-09-30 | $3.5M | 59k | 58.95 |
| 2019-06-30 | $3.5M | 54k | 64.56 |
| 2019-03-31 | $4.2M | 65k | 64.14 |
| 2018-12-31 | $3.8M | 89k | 42.84 |
| 2018-09-30 | $3.0M | 71k | 42.84 |
| 2018-06-30 | $1.0M | 46k | 22.03 |