PROTO LABS INC filings

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SEC filings by PROTO LABS INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-14DISCIPLINED GROWTH INVESTORS INC /MNProto Labs Inc1,739,6386.7%EDGAR
SC 13G/A2024-02-13VANGUARD GROUP INCProto Labs Inc2,922,26311.3%EDGAR
SC 13G/A2024-01-22BlackRock Inc.Proto Labs Inc4,472,07017.3%EDGAR
SC 13G/A2023-02-14DISCIPLINED GROWTH INVESTORS INC /MNProto Labs Inc2,121,8917.8%EDGAR
SC 13G/A2023-02-14BROWN CAPITAL MANAGEMENT LLCProto Labs Inc730,7162.7%EDGAR
SC 13G/A2023-02-09VANGUARD GROUP INCProto Labs Inc3,044,56411.2%EDGAR
SC 13G/A2023-01-23BlackRock Inc.Proto Labs Inc4,854,35917.9%EDGAR
SC 13G/A2022-03-09VANGUARD GROUP INCProto Labs Inc2,973,78010.8%EDGAR
SC 13G2022-02-15DISCIPLINED GROWTH INVESTORS INC /MNProto Labs Inc1,791,9936.5%EDGAR
SC 13G/A2022-02-14HARDING LOEVNER LPProto Labs Inc00.0%EDGAR
SC 13G/A2022-02-14Nikko Asset Management Americas, Inc.Proto Labs Inc911,6153.3%EDGAR
SC 13G/A2022-02-14BROWN CAPITAL MANAGEMENT LLCProto Labs Inc1,739,6296.3%EDGAR
SC 13G/A2022-02-10VANGUARD GROUP INCProto Labs Inc2,710,7559.8%EDGAR
SC 13G/A2022-02-04Sumitomo Mitsui Trust Holdings, Inc.Proto Labs Inc911,6153.3%EDGAR
SC 13G/A2022-01-27BlackRock Inc.Proto Labs Inc4,966,09118.0%EDGAR
SC 13G/A2022-01-26BlackRock Inc.Proto Labs Inc4,966,09118.0%EDGAR
SC 13G/A2022-01-21RIVERBRIDGE PARTNERS LLCProto Labs Inc436,2231.6%EDGAR
SC 13G/A2022-01-21RIVERBRIDGE PARTNERS LLCProto Labs Inc436,2231.6%EDGAR
SC 13G/A2021-06-10BROWN CAPITAL MANAGEMENT LLCProto Labs Inc2,337,6538.4%EDGAR
SC 13G/A2021-02-16ARK Investment Management LLCProto Labs Inc4,119,92215.4%EDGAR
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