Tandem Diabetes Care shares owned by Group One Trading
Quarter-by-quarter ownership of Tandem Diabetes Care (TNDM) shares owned by Group One Trading
from 13F filings
Historical chart of Group One Trading investment in Tandem Diabetes Care
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Quarterly reported holdings in Tandem Diabetes Care by Group One Trading
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.0M | 85k | 12.14 |
| 2025-06-30 | $1.0M | 56k | 18.64 |
| 2025-03-31 | $986k | 52k | 19.16 |
| 2024-12-31 | $57k | 1.6k | 36.02 |
| 2024-09-30 | $183k | 4.3k | 42.41 |
| 2024-06-30 | $67k | 1.7k | 40.29 |
| 2023-06-30 | $18k | 719 | 24.54 |
| 2022-06-30 | $657k | 11k | 59.16 |
| 2022-03-31 | $1.3M | 11k | 116.30 |
| 2020-09-30 | $420k | 3.7k | 113.51 |
| 2020-03-31 | $1.3M | 20k | 64.34 |
| 2019-03-31 | $578k | 9.1k | 63.47 |
| 2018-12-31 | $1.7M | 45k | 37.97 |
| 2018-09-30 | $552k | 13k | 42.84 |
| 2018-06-30 | $41k | 1.9k | 22.09 |
| 2017-12-31 | $7.0k | 3.0k | 2.30 |