Simplex Trading
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Simplex Trading’s Core Laboratories CLB Stock Holding History

Simplex Trading’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 		$42K Buy
2,500
+2,300
+1,150% +$41.2K ﹤0.01% 6059
2025
Q4 		$3.21K Sell
200
-3,500
-95% -$52.1K ﹤0.01% 7651
2025
Q3 		$45K Buy
3,700
+2,500
+208% +$29.3K ﹤0.01% 6563
2025
Q2 		$13K Buy
1,200
+800
+200% +$9.49K ﹤0.01% 7094
2025
Q1 		$5K Hold
400
– – ﹤0.01% 7523
2024
Q4 		$6K Sell
400
-50,400
-99% -$972K ﹤0.01% 7484
2024
Q3 		$941K Sell
50,800
-400
-0.8% -$8.03K ﹤0.01% 2966
2024
Q2 		$1.04M Sell
51,200
-600
-1% -$10.6K ﹤0.01% 2873
2024
Q1 		$884K Buy
51,800
+51,600
+25,800% +$812K ﹤0.01% 3247
2023
Q4 		$3K Hold
200
– – ﹤0.01% 8057
2023
Q3 		$4K Sell
200
-1,700
-89% -$41.7K ﹤0.01% 7737
2023
Q2 		$44K Sell
1,900
-2,300
-55% -$52K ﹤0.01% 5957
2023
Q1 		$92K Sell
4,200
-2,100
-33% -$49.1K ﹤0.01% 5240
2022
Q4 		$127K Buy
6,300
+5,800
+1,160% +$112K ﹤0.01% 4783
2022
Q3 		$6K Sell
500
-11,200
-96% -$189K ﹤0.01% 8621
2022
Q2 		$231K Sell
11,700
-1,500
-11% -$39.8K ﹤0.01% 4429
2022
Q1 		$417K Buy
13,200
+400
+3% +$11.2K ﹤0.01% 4075
2021
Q4 		$285K Buy
12,800
+4,800
+60% +$125K ﹤0.01% 4645
2021
Q3 		$312K Hold
8,000
– – ﹤0.01% 4848
2021
Q2 		$311K Buy
8,000
+7,950
+15,900% +$285K ﹤0.01% 4921
2021
Q1 		$143K Sell
50
-43
-46% -$1.47K ﹤0.01% 5243
2020
Q4 		$246K Sell
93
-20
-18% -$408 ﹤0.01% 4333
2020
Q3 		$172K Sell
113
-12
-10% -$252 ﹤0.01% 4296
2020
Q2 		$254K Sell
125
-89
-42% -$1.59K ﹤0.01% 3722
2020
Q1 		$221K Sell
214
-44
-17% -$1.23K ﹤0.01% 3476
2019
Q4 		$971K Buy
258
+177
+219% +$7.95K ﹤0.01% 2117
2019
Q3 		$377K Sell
81
-4
-5% -$186 ﹤0.01% 2912
2019
Q2 		$444K Buy
85
+64
+305% +$3.75K ﹤0.01% 2681
2019
Q1 		$144K Buy
21
+16
+320% +$1.07K ﹤0.01% 3948
2018
Q4 		$29K Sell
5
-106
-95% -$9.15K ﹤0.01% 5016
2018
Q3 		$1.28M Buy
111
+73
+192% +$8.24K ﹤0.01% 1632
2018
Q2 		$479K Buy
38
+14
+58% +$1.7K ﹤0.01% 2498
2018
Q1 		$3K Sell
24
-76
-76% -$8.41K ﹤0.01% 4952
2017
Q4 		$211K Buy
100
+83
+488% +$8.28K 0.01% 1232
2017
Q3 		$5K Sell
17
-1
-6% -$97 ﹤0.01% 4354
2017
Q2 		$1K Sell
18
-79
-81% -$8.52K ﹤0.01% 5543
2017
Q1 		$25K Buy
97
+40
+70% +$4.65K ﹤0.01% 3023
2016
Q4 		$21K Buy
57
+14
+33% +$1.55K ﹤0.01% 2989
2016
Q3 		$13K Sell
43
-141
-77% -$16.2K ﹤0.01% 3367
2016
Q2 		$72K Sell
184
-101
-35% -$12.2K ﹤0.01% 1726
2016
Q1 		$106K Buy
285
+195
+217% +$20.3K 0.01% 1305
2015
Q4 		$3K Sell
90
-45
-33% -$5.15K ﹤0.01% 4201
2015
Q3 		$4K Buy
135
+31
+30% +$3.37K ﹤0.01% 4122
2015
Q2 		$49K Buy
104
+84
+420% +$10.2K ﹤0.01% 1708
2015
Q1 		$4K Buy
+20
New +$2.13K ﹤0.01% 3630

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
DGI
Disciplined Growth Investors Minneapolis, Minnesota $4.89B AUM 33.85% 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

Simplex Trading's CLB Position: Q2 2025 in Review

Simplex Trading sold out of Core Laboratories (CLB) in Q2 2025, closing a stake of 12,946 shares — an estimated $154K sold.

Simplex Trading first reported a position in CLB in Q1 2015 and held it in 24 quarters. The position peaked at $925K in Q3 2019. 191 funds tracked by Wall St. Rank hold CLB as of Q2 2025.

  • Simplex Trading reported no remaining Core Laboratories position as of Q2 2025 after selling out during the quarter.
  • Simplex Trading sold 12,946 Core Laboratories shares in Q2 2025, an estimated $154K.
  • Simplex Trading first reported a position in Core Laboratories in Q1 2015 and held it in 24 quarters.
  • Simplex Trading's Core Laboratories position peaked at $925K in Q3 2019.
  • 191 funds tracked by Wall St. Rank held Core Laboratories as of Q2 2025.

Based on Simplex Trading's 13F filing for Q2 2025, filed 5 Aug 2025.