Proto Labs shares owned by ARK Investment Management
Quarter-by-quarter ownership of Proto Labs (PRLB) shares owned by ARK Investment Management
from 13F filings
Historical chart of ARK Investment Management investment in Proto Labs
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Quarterly reported holdings in Proto Labs by ARK Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $3.6M | 72k | 50.03 |
| 2025-06-30 | $3.2M | 80k | 40.04 |
| 2025-03-31 | $3.1M | 87k | 35.04 |
| 2024-12-31 | $5.0M | 129k | 39.09 |
| 2024-09-30 | $3.6M | 124k | 29.37 |
| 2024-06-30 | $4.1M | 133k | 30.89 |
| 2024-03-31 | $4.9M | 137k | 35.75 |
| 2023-12-31 | $6.9M | 178k | 38.96 |
| 2023-09-30 | $4.7M | 180k | 26.40 |
| 2023-06-30 | $7.9M | 225k | 34.96 |
| 2023-03-31 | $7.4M | 224k | 33.15 |
| 2022-12-31 | $9.2M | 359k | 25.53 |
| 2022-09-30 | $21M | 563k | 36.43 |
| 2022-06-30 | $30M | 629k | 48.19 |
| 2022-03-31 | $35M | 664k | 52.90 |
| 2021-12-31 | $37M | 717k | 51.35 |
| 2021-09-30 | $174M | 2.6M | 66.60 |
| 2021-06-30 | $278M | 3.0M | 91.80 |
| 2021-03-31 | $445M | 3.7M | 121.75 |
| 2020-12-31 | $632M | 4.1M | 153.40 |
| 2020-09-30 | $401M | 3.1M | 129.50 |
| 2020-06-30 | $249M | 2.2M | 112.47 |
| 2020-03-31 | $122M | 1.6M | 76.13 |
| 2019-12-31 | $82M | 805k | 101.55 |
| 2019-09-30 | $69M | 680k | 102.10 |
| 2019-06-30 | $55M | 471k | 116.02 |
| 2019-03-31 | $31M | 291k | 105.14 |
| 2018-12-31 | $8.8M | 78k | 112.79 |
| 2018-09-30 | $13M | 81k | 161.75 |
| 2018-06-30 | $9.3M | 79k | 118.95 |
| 2018-03-31 | $19M | 162k | 117.55 |
| 2017-12-31 | $17M | 168k | 103.00 |
| 2017-06-30 | $14M | 208k | 67.25 |
| 2017-03-31 | $9.2M | 180k | 51.10 |
| 2016-12-31 | $9.1M | 176k | 51.35 |