Proto Labs shares owned by Renaissance Technologies
Quarter-by-quarter ownership of Proto Labs (PRLB) shares owned by Renaissance Technologies
from 13F filings
Historical chart of Renaissance Technologies investment in Proto Labs
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Quarterly reported holdings in Proto Labs by Renaissance Technologies
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $27M | 544k | 50.03 |
| 2025-06-30 | $22M | 542k | 40.04 |
| 2025-03-31 | $19M | 532k | 35.04 |
| 2024-12-31 | $22M | 572k | 39.09 |
| 2024-09-30 | $16M | 557k | 29.37 |
| 2024-06-30 | $14M | 436k | 30.89 |
| 2024-03-31 | $12M | 329k | 35.75 |
| 2023-12-31 | $11M | 290k | 38.96 |
| 2023-09-30 | $7.3M | 276k | 26.40 |
| 2023-06-30 | $7.1M | 202k | 34.96 |
| 2023-03-31 | $5.0M | 151k | 33.15 |
| 2022-12-31 | $3.2M | 125k | 25.53 |
| 2022-09-30 | $5.0M | 138k | 36.43 |
| 2022-06-30 | $2.3M | 47k | 47.84 |
| 2022-03-31 | $206k | 3.9k | 52.82 |
| 2021-12-31 | $10M | 202k | 51.35 |
| 2021-09-30 | $8.8M | 132k | 66.60 |
| 2021-06-30 | $15M | 161k | 91.80 |
| 2021-03-31 | $7.1M | 59k | 121.74 |
| 2019-12-31 | $944k | 9.3k | 101.51 |
| 2019-09-30 | $1.6M | 16k | 102.10 |
| 2019-03-31 | $5.1M | 49k | 105.14 |
| 2018-12-31 | $8.1M | 72k | 112.79 |
| 2016-03-31 | $254k | 3.3k | 76.97 |
| 2015-12-31 | $376k | 5.9k | 63.73 |
| 2015-09-30 | $5.2M | 78k | 67.01 |
| 2013-03-31 | $5.7M | 116k | 49.10 |
| 2012-12-31 | $2.3M | 58k | 39.43 |