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Proto Labs shares owned by Jane Street

Quarter-by-quarter ownership of Proto Labs (PRLB) shares owned by Jane Street from 13F filings

Historical chart of Jane Street investment in Proto Labs

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All positions including Proto Labs held by Jane Street consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Proto Labs by Jane Street

Quarter filed Position value Share count Share price at filing
2025-09-30 $3.3M 65k 50.03
2025-06-30 $3.5M 87k 40.04
2025-03-31 $3.0M 85k 35.04
2024-12-31 $2.3M 58k 39.09
2024-09-30 $2.9M 98k 29.37
2024-06-30 $1.5M 47k 30.89
2023-12-31 $1.0M 26k 38.96
2023-06-30 $1.4M 40k 34.96
2023-03-31 $267k 8.1k 33.15
2022-12-31 $2.8M 109k 25.53
2022-09-30 $949k 26k 36.49
2022-06-30 $917k 19k 47.86
2022-03-31 $4.5M 85k 53.04
2021-12-31 $4.6M 89k 51.59
2021-09-30 $8.4M 126k 66.55
2021-06-30 $10M 113k 91.83
2021-03-31 $14M 117k 121.76
2020-12-31 $16M 107k 153.43
2020-09-30 $13M 100k 129.47
2020-06-30 $6.3M 56k 112.11
2020-03-31 $281k 3.7k 76.23
2019-12-31 $499k 4.9k 101.55
2019-09-30 $410k 4.0k 102.09
2018-03-31 $362k 3.1k 117.57
2016-06-30 $1.4M 25k 57.59
2016-03-31 $1.2M 15k 77.08
2015-09-30 $268k 4.0k 66.97