BlackRock Institutional Trust Company, N.A. - PROTO LABS INC ownership

PROTO LABS INC's ticker is PRLB and the CUSIP is 743713109. A total of 188 filers reported holding PROTO LABS INC in Q4 2013. The put-call ratio across all filers is 1.45 and the average weighting 0.2%.

Quarter-by-quarter ownership
BlackRock Institutional Trust Company, N.A. ownership history of PROTO LABS INC
ValueSharesWeighting
Q4 2016$33,935,000
-5.9%
660,855
+9.8%
0.01%
-16.7%
Q3 2016$36,051,000
+4.8%
601,757
+0.7%
0.01%0.0%
Q2 2016$34,391,000
-23.6%
597,487
+2.4%
0.01%
-14.3%
Q1 2016$44,995,000
+21.7%
583,668
+0.5%
0.01%
+16.7%
Q4 2015$36,985,000
-3.1%
580,710
+2.0%
0.01%
-14.3%
Q3 2015$38,162,000
+1.5%
569,586
+2.2%
0.01%
+16.7%
Q2 2015$37,591,000
-8.6%
557,066
-5.2%
0.01%0.0%
Q1 2015$41,128,000
+4.6%
587,549
+0.3%
0.01%0.0%
Q4 2014$39,337,000
-0.5%
585,719
+2.3%
0.01%
-14.3%
Q3 2014$39,523,000
-17.2%
572,803
-1.7%
0.01%
-12.5%
Q2 2014$47,721,000
+29.4%
582,531
+6.9%
0.01%
+33.3%
Q1 2014$36,885,000
+1.7%
545,065
+7.0%
0.01%0.0%
Q4 2013$36,255,000
+53.7%
509,348
+65.0%
0.01%
+20.0%
Q3 2013$23,581,000
+70.3%
308,694
+44.9%
0.01%
+66.7%
Q2 2013$13,845,000213,0910.00%
Other shareholders
PROTO LABS INC shareholders Q4 2013
NameSharesValueWeighting ↓
Cupps Capital Management, LLC 645,795$49,332,0003.20%
FLOOD GAMBLE ASSOCIATES INC 71,875$6,027,0002.98%
Conestoga Capital Advisors, LLC 434,642$33,202,0002.84%
Lisanti Capital Growth, LLC 67,155$5,130,0002.34%
Timpani Capital Management LLC 50,334$3,845,0002.27%
Summit Creek Advisors LLC 160,231$12,240,0002.18%
Assured Investment Management LLC 690,692$52,762,0002.04%
ARBOR CAPITAL MANAGEMENT LLC 298,515$23,577,0002.02%
COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT 589,728$45,049,0002.01%
RIVERBRIDGE PARTNERS LLC 1,200,028$91,670,0001.99%
View complete list of PROTO LABS INC shareholders