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PROTO LABS INC
PROTO LABS INC. Institutional holdings reported to the SEC.
2016Q4
2016Q3
2016Q2
2016Q1
2015Q4
2015Q3
2015Q2
2015Q1
2014Q4
2014Q3
2014Q2
2014Q1
Institutional Holders (2016Q4)
Normalized
Raw
