Proto Labs shares owned by Brian McDonald
Historical chart of Brian McDonald investment in Proto Labs
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All positions including Proto Labs held by Brian McDonald consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Proto Labs by Brian McDonald
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $325k | 6.5k | 50.03 |
| 2025-06-30 | $325k | 8.1k | 40.04 |
| 2025-03-31 | $293k | 8.4k | 35.04 |
| 2024-12-31 | $328k | 8.4k | 39.09 |
| 2024-09-30 | $256k | 8.7k | 29.37 |
| 2024-06-30 | $311k | 10k | 30.89 |
| 2024-03-31 | $406k | 11k | 35.75 |
| 2023-09-30 | $333k | 13k | 26.40 |
| 2022-12-31 | $458k | 17k | 27.53 |
| 2022-09-30 | $816k | 21k | 38.32 |
| 2022-06-30 | $1.1M | 24k | 47.98 |
| 2022-03-31 | $1.1M | 24k | 45.91 |
| 2021-12-31 | $1.2M | 24k | 49.13 |
| 2021-09-30 | $1.8M | 26k | 71.46 |
| 2021-06-30 | $1.8M | 26k | 69.44 |
| 2021-03-31 | $3.1M | 28k | 109.95 |
| 2020-12-31 | $5.8M | 30k | 192.96 |
| 2020-09-30 | $6.6M | 48k | 137.24 |
| 2020-06-30 | $6.0M | 48k | 125.32 |
| 2020-03-31 | $4.5M | 53k | 84.26 |
| 2019-12-31 | $5.0M | 47k | 106.29 |
| 2019-09-30 | $4.5M | 48k | 94.86 |
| 2019-06-30 | $4.2M | 40k | 106.51 |
| 2019-03-31 | $4.5M | 41k | 110.10 |
| 2018-12-31 | $4.7M | 39k | 120.36 |
| 2018-09-30 | $4.6M | 39k | 118.85 |
| 2018-06-30 | $5.1M | 39k | 130.50 |
| 2018-03-31 | $4.9M | 39k | 126.19 |
| 2017-12-31 | $3.8M | 34k | 110.85 |
| 2017-09-30 | $2.7M | 31k | 86.36 |
| 2017-06-30 | $1.8M | 26k | 71.01 |
| 2017-03-31 | $1.6M | 27k | 58.45 |
| 2016-12-31 | $1.4M | 26k | 53.57 |
| 2016-09-30 | $1.5M | 25k | 58.43 |
| 2016-06-30 | $1.4M | 24k | 58.22 |
| 2016-03-31 | $1.9M | 25k | 78.51 |
| 2013-09-30 | $209k | 2.7k | 76.52 |