Proto Labs shares owned by Essex Investment Management
Quarter-by-quarter ownership of Proto Labs (PRLB) shares owned by Essex Investment Management
from 13F filings
Historical chart of Essex Investment Management investment in Proto Labs
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Quarterly reported holdings in Proto Labs by Essex Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.0M | 21k | 50.03 |
| 2022-06-30 | $578k | 12k | 47.81 |
| 2022-03-31 | $666k | 13k | 52.89 |
| 2021-12-31 | $683k | 13k | 51.35 |
| 2021-03-31 | $640k | 5.3k | 121.81 |
| 2020-06-30 | $492k | 4.4k | 112.48 |
| 2016-09-30 | $384k | 6.4k | 59.84 |
| 2013-12-31 | $783k | 11k | 71.18 |
| 2013-06-30 | $2.2M | 34k | 64.98 |
| 2012-09-30 | $235 | 7.0k | 0.03 |
| 2012-06-30 | $202 | 7.0k | 0.03 |
| 2012-03-31 | $231k | 6.8k | 34.09 |
More positions owned by Essex Investment Management
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