Mesa Laboratories shares owned by Jane Street
Quarter-by-quarter ownership of Mesa Laboratories (MLAB) shares owned by Jane Street
from 13F filings
Historical chart of Jane Street investment in Mesa Laboratories
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Quarterly reported holdings in Mesa Laboratories by Jane Street
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $2.6M | 38k | 67.01 |
| 2025-06-30 | $1.3M | 14k | 94.22 |
| 2025-03-31 | $833k | 7.0k | 118.66 |
| 2024-12-31 | $4.5M | 34k | 131.87 |
| 2024-09-30 | $300k | 2.3k | 129.86 |
| 2024-06-30 | $1.9M | 22k | 86.77 |
| 2023-09-30 | $338k | 3.2k | 105.07 |
| 2023-06-30 | $829k | 6.5k | 128.50 |
| 2023-03-31 | $890k | 5.1k | 174.73 |
| 2022-12-31 | $277k | 1.7k | 166.21 |
| 2022-09-30 | $514k | 3.6k | 140.94 |
| 2022-06-30 | $425k | 2.1k | 203.84 |
| 2021-09-30 | $320k | 1.1k | 302.46 |
| 2021-03-31 | $2.3M | 9.6k | 243.45 |
| 2020-12-31 | $717k | 2.5k | 286.57 |
| 2020-06-30 | $353k | 1.6k | 216.96 |