BLAIR WILLIAM & CO/IL - 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
BLAIR WILLIAM & CO/IL ownership history of PROTO LABS INC
ValueSharesWeighting
Q3 2022$202,000
-27.1%
5,544
-4.4%
0.00%0.0%
Q2 2022$277,000
-27.9%
5,799
-20.0%
0.00%0.0%
Q1 2022$384,000
-25.9%
7,251
-28.2%
0.00%
-50.0%
Q4 2021$518,000
-73.1%
10,095
-65.1%
0.00%
-71.4%
Q3 2021$1,924,000
-62.4%
28,894
-48.1%
0.01%
-61.1%
Q2 2021$5,113,000
-30.9%
55,692
-8.3%
0.02%
-35.7%
Q1 2021$7,396,000
-17.9%
60,748
+3.4%
0.03%
-15.2%
Q4 2020$9,010,000
+21.1%
58,733
+2.2%
0.03%
+3.1%
Q3 2020$7,439,000
-38.3%
57,442
-46.4%
0.03%
-43.9%
Q2 2020$12,048,000
+46.0%
107,123
-1.2%
0.06%
+9.6%
Q1 2020$8,254,000
-22.9%
108,423
+2.8%
0.05%
-5.5%
Q4 2019$10,709,000
-18.0%
105,457
-17.6%
0.06%
-26.7%
Q3 2019$13,066,000
-9.5%
127,969
+2.8%
0.08%
-9.6%
Q2 2019$14,444,000
+13.1%
124,500
+2.5%
0.08%
+6.4%
Q1 2019$12,771,000
-1.9%
121,471
+5.3%
0.08%
-17.9%
Q4 2018$13,017,000
-28.4%
115,410
+2.7%
0.10%
-14.4%
Q3 2018$18,177,000
-1.7%
112,379
-27.7%
0.11%
-11.9%
Q2 2018$18,490,000
-1.7%
155,443
-2.8%
0.13%
-5.3%
Q1 2018$18,805,000
+10.4%
159,974
-3.3%
0.13%
+14.7%
Q4 2017$17,034,000
+19.3%
165,379
-7.0%
0.12%
+8.4%
Q3 2017$14,284,000
+12.3%
177,877
-6.0%
0.11%
+11.5%
Q2 2017$12,723,000
+34.7%
189,189
+8.4%
0.10%
+26.3%
Q1 2017$9,444,000
+0.9%
174,568
-4.2%
0.08%
-9.5%
Q4 2016$9,357,000
-50.9%
182,224
-42.7%
0.08%
-50.3%
Q3 2016$19,064,000
-34.8%
318,218
-37.3%
0.17%
-38.1%
Q2 2016$29,232,000
-46.3%
507,861
-28.1%
0.27%
-46.8%
Q1 2016$54,452,000
+15.7%
706,345
-4.4%
0.51%
+16.1%
Q4 2015$47,045,000
-4.2%
738,661
+0.8%
0.44%
+4.0%
Q3 2015$49,111,000
+3.9%
733,017
+4.7%
0.42%
+498.6%
Q2 2015$47,250,000
+77.2%
700,223
+83.8%
0.07%
+73.2%
Q1 2015$26,661,000
-4.3%
380,878
-8.2%
0.04%
-8.9%
Q4 2014$27,850,000
-11.4%
414,686
-9.0%
0.04%
-16.7%
Q3 2014$31,436,000
+36.0%
455,597
+61.4%
0.05%
+42.1%
Q2 2014$23,119,000
+143.6%
282,225
+101.2%
0.04%
+137.5%
Q1 2014$9,492,000
+12.8%
140,277
+18.7%
0.02%
+14.3%
Q4 2013$8,414,000
-63.2%
118,217
-60.5%
0.01%
-65.9%
Q3 2013$22,882,000
+16.6%
299,555
-0.8%
0.04%
+5.1%
Q2 2013$19,620,000301,9950.04%
Other shareholders
PROTO LABS INC shareholders Q4 2013
NameSharesValueWeighting ↓
Brown Capital Management 3,056,893$372,177,0002.77%
PREMIER ASSET MANAGEMENT LLC 67,800$8,255,0001.47%
Nikko Asset Management Americas, Inc. 1,976,509$240,640,0001.18%
Capital Investment Services of America, Inc. 92,843$11,304,0001.16%
GAGNON SECURITIES LLC 58,485$7,121,0001.08%
DISCIPLINED GROWTH INVESTORS INC /MN 398,710$48,543,0000.98%
BENDER ROBERT & ASSOCIATES 24,260$2,954,0000.95%
ARK Investment Management 3,654,854$444,978,0000.88%
RIVERBRIDGE PARTNERS LLC 625,607$76,168,0000.87%
Pembroke Management, LTD 69,123$8,416,0000.70%
View complete list of PROTO LABS INC shareholders