William Blair & Company’s Protolabs PRLB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2022
Q4
Sell
-5,544
Closed -$202K 1864
2022
Q3
$202K Sell
5,544
-255
-4% -$9.29K ﹤0.01% 1385
2022
Q2
$277K Sell
5,799
-1,452
-20% -$69.4K ﹤0.01% 1306
2022
Q1
$384K Sell
7,251
-2,844
-28% -$151K ﹤0.01% 1266
2021
Q4
$518K Sell
10,095
-18,799
-65% -$965K ﹤0.01% 1200
2021
Q3
$1.92M Sell
28,894
-26,798
-48% -$1.78M 0.01% 716
2021
Q2
$5.11M Sell
55,692
-5,056
-8% -$464K 0.02% 455
2021
Q1
$7.4M Buy
60,748
+2,015
+3% +$245K 0.03% 375
2020
Q4
$9.01M Buy
58,733
+1,291
+2% +$198K 0.03% 326
2020
Q3
$7.44M Sell
57,442
-49,681
-46% -$6.43M 0.03% 324
2020
Q2
$12M Sell
107,123
-1,300
-1% -$146K 0.06% 244
2020
Q1
$8.25M Buy
108,423
+2,966
+3% +$226K 0.05% 258
2019
Q4
$10.7M Sell
105,457
-22,512
-18% -$2.29M 0.06% 256
2019
Q3
$13.1M Buy
127,969
+3,469
+3% +$354K 0.08% 227
2019
Q2
$14.4M Buy
124,500
+3,029
+2% +$351K 0.08% 210
2019
Q1
$12.8M Buy
121,471
+6,061
+5% +$637K 0.08% 225
2018
Q4
$13M Buy
115,410
+3,031
+3% +$342K 0.09% 196
2018
Q3
$18.2M Sell
112,379
-43,064
-28% -$6.97M 0.11% 181
2018
Q2
$18.5M Sell
155,443
-4,531
-3% -$539K 0.13% 167
2018
Q1
$18.8M Sell
159,974
-5,405
-3% -$635K 0.13% 156
2017
Q4
$17M Sell
165,379
-12,498
-7% -$1.29M 0.12% 178
2017
Q3
$14.3M Sell
177,877
-11,312
-6% -$908K 0.11% 192
2017
Q2
$12.7M Buy
189,189
+14,621
+8% +$983K 0.1% 213
2017
Q1
$9.44M Sell
174,568
-7,656
-4% -$414K 0.08% 232
2016
Q4
$9.36M Sell
182,224
-135,994
-43% -$6.98M 0.08% 221
2016
Q3
$19.1M Sell
318,218
-189,643
-37% -$11.4M 0.17% 155
2016
Q2
$29.2M Sell
507,861
-198,484
-28% -$11.4M 0.27% 101
2016
Q1
$54.5M Sell
706,345
-32,316
-4% -$2.49M 0.51% 59
2015
Q4
$47M Buy
738,661
+5,644
+0.8% +$359K 0.44% 70
2015
Q3
$49.1M Buy
733,017
+32,794
+5% +$2.2M 0.42% 67
2015
Q2
$47.3M Buy
700,223
+319,345
+84% +$21.5M 0.07% 365
2015
Q1
$26.7M Sell
380,878
-33,808
-8% -$2.37M 0.04% 486
2014
Q4
$27.9M Sell
414,686
-40,911
-9% -$2.75M 0.05% 478
2014
Q3
$31.4M Buy
455,597
+173,372
+61% +$12M 0.05% 427
2014
Q2
$23.1M Buy
282,225
+141,948
+101% +$11.6M 0.04% 523
2014
Q1
$9.49M Buy
140,277
+22,060
+19% +$1.49M 0.02% 836
2013
Q4
$8.41M Sell
118,217
-181,338
-61% -$12.9M 0.01% 829
2013
Q3
$22.9M Sell
299,555
-2,440
-0.8% -$186K 0.04% 490
2013
Q2
$19.6M Buy
+301,995
New +$19.6M 0.04% 488