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Disciplined Growth Investors’s Core Laboratories CLB Stock Holding History

Disciplined Growth Investors’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
2026
Q1 		$82.9M Sell
4,937,115
-229,799
-4% -$4.11M 1.7% 21
2025
Q4 		$82.8M Sell
5,166,914
-802,946
-13% -$12M 1.59% 25
2025
Q3 		$73.8M Buy
5,969,860
+528,976
+10% +$6.2M 1.34% 28
2025
Q2 		$62.7M Sell
5,440,884
-50,838
-0.9% -$603K 1.2% 27
2025
Q1 		$82.3M Sell
5,491,722
-11,929
-0.2% -$200K 1.7% 23
2024
Q4 		$95.3M Sell
5,503,651
-149,940
-3% -$2.89M 1.81% 24
2024
Q3 		$105M Buy
5,653,591
+1,192,871
+27% +$24M 1.98% 24
2024
Q2 		$90.5M Buy
4,460,720
+3,644,963
+447% +$64.5M 1.7% 22
2024
Q1 		$13.9M Buy
815,757
+63,390
+8% +$997K 0.25% 49
2023
Q4 		$13.3M Buy
752,367
+13,983
+2% +$282K 0.29% 46
2023
Q3 		$17.7M Sell
738,384
-20,808
-3% -$511K 0.42% 43
2023
Q2 		$17.7M Sell
759,192
-36,292
-5% -$821K 0.4% 41
2023
Q1 		$17.5M Sell
795,484
-85,333
-10% -$2M 0.45% 42
2022
Q4 		$17.9M Sell
880,817
-8,744
-1% -$169K 0.46% 42
2022
Q3 		$12M Buy
889,561
+28,348
+3% +$478K 0.33% 51
2022
Q2 		$17.1M Buy
861,213
+5,482
+0.6% +$146K 0.46% 46
2022
Q1 		$27.1M Buy
855,731
+50,185
+6% +$1.41M 0.59% 42
2021
Q4 		$18M Buy
805,546
+323,871
+67% +$8.45M 0.36% 52
2021
Q3 		$13.4M Buy
481,675
+43,482
+10% +$1.32M 0.26% 57
2021
Q2 		$17.1M Buy
438,193
+624
+0.1% +$22.4K 0.33% 54
2021
Q1 		$12.6M Sell
437,569
-60,576
-12% -$2.07M 0.26% 57
2020
Q4 		$13.2M Sell
498,145
-12,664
-2% -$259K 0.25% 56
2020
Q3 		$7.79M Sell
510,809
-16,675
-3% -$350K 0.18% 63
2020
Q2 		$10.7M Sell
527,484
-243,602
-32% -$4.37M 0.26% 59
2020
Q1 		$7.97M Buy
771,086
+15,276
+2% +$427K 0.18% 60
2019
Q4 		$28.5M Buy
755,810
+8,062
+1% +$362K 0.47% 48
2019
Q3 		$34.9M Buy
747,748
+18,116
+2% +$842K 0.65% 46
2019
Q2 		$38.1M Buy
729,632
+391,265
+116% +$22.9M 0.71% 46
2019
Q1 		$23.3M Sell
338,367
-829
-0.2% -$55.6K 0.41% 51
2018
Q4 		$20.2M Sell
339,196
-7,390
-2% -$638K 0.42% 52
2018
Q3 		$40.1M Buy
346,586
+15,857
+5% +$1.79M 0.67% 48
2018
Q2 		$41.7M Sell
330,729
-3,802
-1% -$463K 0.77% 46
2018
Q1 		$36.2M Sell
334,531
-7,278
-2% -$805K 0.71% 50
2017
Q4 		$37.4M Buy
341,809
+1,137
+0.3% +$113K 0.74% 48
2017
Q3 		$33.6M Sell
340,672
-1,450
-0.4% -$141K 0.7% 50
2017
Q2 		$34.6M Buy
342,122
+305
+0.1% +$32.9K 0.72% 47
2017
Q1 		$39.5M Sell
341,817
-1,133
-0.3% -$132K 0.88% 39
2016
Q4 		$41.2M Buy
342,950
+1,050
+0.3% +$116K 0.94% 38
2016
Q3 		$38.4M Sell
341,900
-1,975
-0.6% -$227K 0.91% 40
2016
Q2 		$42.6M Buy
343,875
+5,175
+2% +$625K 1.07% 34
2016
Q1 		$38.1M Sell
338,700
-10,625
-3% -$1.1M 0.97% 40
2015
Q4 		$38M Sell
349,325
-2,425
-0.7% -$278K 0.96% 41
2015
Q3 		$35.1M Buy
351,750
+3,975
+1% +$432K 0.9% 40
2015
Q2 		$39.7M Buy
347,775
+2,650
+0.8% +$321K 0.96% 38
2015
Q1 		$36.1M Buy
+345,125
New +$36.8M 0.85% 42

Other funds holding CLB

AI
Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
CAMG
CWA Asset Management Group Naples, Florida $3.28B AUM 34.07% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Disciplined Growth Investors's CLB Position: Q1 2026 in Review

Disciplined Growth Investors reduced its Core Laboratories (CLB) stake by 4.4% in Q1 2026, selling an estimated $4.11M and leaving 4,937,115 shares worth $82.9M. The position accounts for 1.7% of the portfolio, ranked #21.

Disciplined Growth Investors first reported a position in CLB in Q1 2015 and has held it in 45 quarters since. The position peaked at $105M in Q3 2024. 190 funds tracked by Wall St. Rank hold CLB as of Q1 2026.

  • Disciplined Growth Investors held 4,937,115 shares of Core Laboratories worth $82.9M as of Q1 2026.
  • Disciplined Growth Investors sold 229,799 Core Laboratories shares in Q1 2026, an estimated $4.11M.
  • Core Laboratories made up 1.7% of Disciplined Growth Investors's portfolio in Q1 2026, its #21 holding.
  • Disciplined Growth Investors first reported a position in Core Laboratories in Q1 2015 and has held it in 45 quarters since.
  • Disciplined Growth Investors's Core Laboratories position peaked at $105M in Q3 2024.
  • 190 funds tracked by Wall St. Rank held Core Laboratories as of Q1 2026.

Based on Disciplined Growth Investors's 13F filing for Q1 2026, filed 15 May 2026.