Charles Schwab
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Charles Schwab’s Core Laboratories CLB Stock Holding History

Charles Schwab’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
Q2 		$6.58M Sell
565,065
-121,885
-18% -$1.74M ﹤0.01% 2343
2026
Q1 		$11.5M Sell
686,950
-50,600
-7% -$905K ﹤0.01% 2033
2025
Q4 		$11.8M Buy
737,550
+80,307
+12% +$1.2M ﹤0.01% 2051
2025
Q3 		$8.12M Buy
657,243
+116,261
+21% +$1.36M ﹤0.01% 2202
2025
Q2 		$6.23M Buy
540,982
+42,992
+9% +$510K ﹤0.01% 2237
2025
Q1 		$7.46M Sell
497,990
-1,309
-0.3% -$21.9K ﹤0.01% 2096
2024
Q4 		$8.64M Sell
499,299
-30,223
-6% -$583K ﹤0.01% 2078
2024
Q3 		$9.81M Sell
529,522
-70,389
-12% -$1.41M ﹤0.01% 2030
2024
Q2 		$12.2M Sell
599,911
-21,595
-3% -$382K ﹤0.01% 1947
2024
Q1 		$10.6M Buy
621,506
+41,153
+7% +$647K ﹤0.01% 1958
2023
Q4 		$10.2M Sell
580,353
-5,779
-1% -$116K ﹤0.01% 1969
2023
Q3 		$14.1M Sell
586,132
-18,121
-3% -$445K ﹤0.01% 1723
2023
Q2 		$14M Buy
604,253
+108,259
+22% +$2.45M ﹤0.01% 1727
2023
Q1 		$10.9M Buy
495,994
+6,975
+1% +$163K ﹤0.01% 1827
2022
Q4 		$9.91M Sell
489,019
-2,368
-0.5% -$45.9K ﹤0.01% 1860
2022
Q3 		$6.63M Buy
491,387
+27,695
+6% +$467K ﹤0.01% 2067
2022
Q2 		$9.19M Buy
463,692
+22,829
+5% +$606K ﹤0.01% 1877
2022
Q1 		$13.9M Buy
440,863
+20,116
+5% +$564K ﹤0.01% 1769
2021
Q4 		$9.39M Buy
420,747
+29,890
+8% +$779K ﹤0.01% 2036
2021
Q3 		$10.8M Sell
390,857
-11,612
-3% -$353K ﹤0.01% 1959
2021
Q2 		$15.7M Buy
402,469
+4,717
+1% +$169K 0.01% 1750
2021
Q1 		$11.5M Sell
397,752
-429
-0.1% -$14.7K ﹤0.01% 1881
2020
Q4 		$10.6M Buy
398,181
+23,575
+6% +$481K ﹤0.01% 1840
2020
Q3 		$5.72M Buy
374,606
+6,226
+2% +$131K ﹤0.01% 2000
2020
Q2 		$7.49M Buy
368,380
+7,437
+2% +$133K ﹤0.01% 1814
2020
Q1 		$3.73M Buy
360,943
+48,295
+15% +$1.35M ﹤0.01% 1977
2019
Q4 		$11.8M Buy
312,648
+23,164
+8% +$1.04M 0.01% 1579
2019
Q3 		$13.5M Buy
289,484
+26,867
+10% +$1.25M 0.01% 1407
2019
Q2 		$13.7M Buy
262,617
+20,895
+9% +$1.23M 0.01% 1401
2019
Q1 		$16.7M Buy
241,722
+46,969
+24% +$3.15M 0.01% 1225
2018
Q4 		$11.6M Buy
194,753
+9,260
+5% +$799K 0.01% 1355
2018
Q3 		$21.5M Buy
185,493
+7,329
+4% +$827K 0.01% 1094
2018
Q2 		$22.5M Buy
178,164
+11,156
+7% +$1.36M 0.02% 993
2018
Q1 		$18.1M Buy
167,008
+2,660
+2% +$294K 0.01% 1073
2017
Q4 		$18M Buy
164,348
+16,951
+12% +$1.69M 0.01% 1061
2017
Q3 		$14.5M Buy
147,397
+7,848
+6% +$761K 0.01% 1153
2017
Q2 		$14.1M Buy
139,549
+8,774
+7% +$946K 0.01% 1102
2017
Q1 		$15.1M Buy
130,775
+9,242
+8% +$1.07M 0.02% 1016
2016
Q4 		$14.6M Buy
121,533
+4,466
+4% +$494K 0.02% 976
2016
Q3 		$13.2M Buy
117,067
+7,490
+7% +$863K 0.02% 964
2016
Q2 		$13.6M Buy
109,577
+8,029
+8% +$969K 0.02% 867
2016
Q1 		$11.4M Buy
101,548
+3,713
+4% +$386K 0.02% 954
2015
Q4 		$10.6M Buy
97,835
+5,600
+6% +$641K 0.01% 975
2015
Q3 		$9.21M Buy
92,235
+4,744
+5% +$516K 0.01% 1051
2015
Q2 		$9.98M Buy
87,491
+17,868
+26% +$2.17M 0.01% 1030
2015
Q1 		$7.28M Sell
69,623
-568
-0.8% -$60.5K 0.01% 1236
2014
Q4 		$8.45M Buy
70,191
+4,829
+7% +$634K 0.01% 1018
2014
Q3 		$9.57M Buy
65,362
+2,436
+4% +$376K 0.02% 867
2014
Q2 		$10.5M Buy
62,926
+2,111
+3% +$376K 0.02% 795
2014
Q1 		$12.1M Buy
60,815
+2,870
+5% +$542K 0.02% 671
2013
Q4 		$11.1M Buy
57,945
+4,267
+8% +$794K 0.02% 653
2013
Q3 		$9.2M Buy
53,678
+5,869
+12% +$911K 0.02% 691
2013
Q2 		$7.24M Buy
+47,809
New +$6.77M 0.02% 757

Other funds holding CLB

AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DGI
Disciplined Growth Investors Minneapolis, Minnesota $5.91B AUM 53.97% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CAMG
CWA Asset Management Group Naples, Florida $3.28B AUM 34.07% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Schroder Investment Management Group
Schroder Investment Management Group London, United Kingdom $141B AUM 34.18% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Charles Schwab's CLB Position: Q2 2026 in Review

Charles Schwab reduced its Core Laboratories (CLB) stake by 18% in Q2 2026, selling an estimated $1.74M and leaving 565,065 shares worth $6.58M. The position accounts for ﹤0.01% of the portfolio, ranked #2343.

Charles Schwab first reported a position in CLB in Q2 2013 and has held it in 53 quarters since. The position peaked at $22.5M in Q2 2018. 186 funds tracked by Wall St. Rank hold CLB as of Q2 2026.

  • Charles Schwab held 565,065 shares of Core Laboratories worth $6.58M as of Q2 2026.
  • Charles Schwab sold 121,885 Core Laboratories shares in Q2 2026, an estimated $1.74M.
  • Core Laboratories made up ﹤0.01% of Charles Schwab's portfolio in Q2 2026, its #2343 holding.
  • Charles Schwab first reported a position in Core Laboratories in Q2 2013 and has held it in 53 quarters since.
  • Charles Schwab's Core Laboratories position peaked at $22.5M in Q2 2018.
  • 186 funds tracked by Wall St. Rank held Core Laboratories as of Q2 2026.

Based on Charles Schwab's 13F filing for Q2 2026, filed 14 Aug 2026.