William Blair & Company
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William Blair & Company’s Core Laboratories CLB Stock Holding History

William Blair & Company’s Portfolio CLB Stock Details CLB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2019
Q4 		– Sell
-6,292
Closed -$293K – 1744
2019
Q3 		$293K Buy
6,292
+1,169
+23% +$54.3K ﹤0.01% 1123
2019
Q2 		$268K Sell
5,123
-1,186
-19% -$69.6K ﹤0.01% 1187
2019
Q1 		$435K Sell
6,309
-557
-8% -$37.3K ﹤0.01% 1004
2018
Q4 		$410K Buy
6,866
+1,137
+20% +$98.1K ﹤0.01% 976
2018
Q3 		$664K Buy
5,729
+109
+2% +$12.3K ﹤0.01% 868
2018
Q2 		$709K Hold
5,620
– – ﹤0.01% 832
2018
Q1 		$608K Sell
5,620
-49
-0.9% -$5.42K ﹤0.01% 860
2017
Q4 		$621K Sell
5,669
-1,584
-22% -$158K ﹤0.01% 891
2017
Q3 		$716K Buy
7,253
+252
+4% +$24.4K 0.01% 815
2017
Q2 		$709K Buy
7,001
+1,393
+25% +$150K 0.01% 858
2017
Q1 		$647K Sell
5,608
-135
-2% -$15.7K 0.01% 825
2016
Q4 		$689K Hold
5,743
– – 0.01% 736
2016
Q3 		$645K Buy
5,743
+1,548
+37% +$178K 0.01% 760
2016
Q2 		$520K Sell
4,195
-5,515
-57% -$666K ﹤0.01% 794
2016
Q1 		$1.09M Buy
9,710
+23
+0.2% +$2.39K 0.01% 602
2015
Q4 		$1.05M Buy
+9,687
New +$1.11M 0.01% 617

Other funds holding CLB

Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return
Select Equity Group
Select Equity Group New York $20.2B AUM 17.52% 1-Year Est. Return
MPI
Mairs & Power Inc St Paul, Minnesota $10.9B AUM 27.5% 1-Year Est. Return

William Blair & Company's CLB Position: Q4 2019 in Review

William Blair & Company sold out of Core Laboratories (CLB) in Q4 2019, closing a stake of 6,292 shares — an estimated $293K sold.

William Blair & Company first reported a position in CLB in Q4 2015 and held it in 16 quarters. The position peaked at $1.09M in Q1 2016. 283 funds tracked by Wall St. Rank hold CLB as of Q4 2019.

  • William Blair & Company reported no remaining Core Laboratories position as of Q4 2019 after selling out during the quarter.
  • William Blair & Company sold 6,292 Core Laboratories shares in Q4 2019, an estimated $293K.
  • William Blair & Company first reported a position in Core Laboratories in Q4 2015 and held it in 16 quarters.
  • William Blair & Company's Core Laboratories position peaked at $1.09M in Q1 2016.
  • 283 funds tracked by Wall St. Rank held Core Laboratories as of Q4 2019.

Based on William Blair & Company's 13F filing for Q4 2019, filed 13 Feb 2020.