ARROWSTREET CAPITAL, LIMITED PARTNERSHIP - PROTO LABS INC ownership

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PROTO LABS INC's ticker is and the CUSIP is 74371310. A total of 1 filers reported holding PROTO LABS INC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.0%.

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Filings
Quarter-by-quarter ownership
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP ownership history of PROTO LABS INC
ValueSharesWeighting
Q1 2014$1,857,000
-75.3%
27,439
-74.0%
0.01%
-73.2%
Q4 2013$7,522,000
+148.2%
105,680
+166.3%
0.04%
+115.8%
Q3 2013$3,031,000
+499.0%
39,684
+409.2%
0.02%
+375.0%
Q2 2013$506,000–7,793–0.00%–
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Other shareholders
PROTO LABS INC shareholders Q3 2013
NameSharesValueWeighting ↓
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 39,684$3,031,0000.02%
View complete list of PROTO LABS INC shareholders