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 		$1.68K Hold
100
– – ﹤0.01% 8441
2025
Q4 		$1.6K Buy
+100
New +$1.49K ﹤0.01% 7901
2025
Q3 		– Sell
-100
Closed -$1K – 9158
2025
Q2 		$1K Buy
+100
New +$1.19K ﹤0.01% 8273
2024
Q4 		– Sell
-100
Closed -$1K – 8616
2024
Q3 		$1K Sell
100
-100
-50% -$2.01K ﹤0.01% 8152
2024
Q2 		$4K Sell
200
-600
-75% -$10.6K ﹤0.01% 7961
2024
Q1 		$13K Buy
800
+400
+100% +$6.29K ﹤0.01% 7405
2023
Q4 		$7K Buy
+400
New +$8.06K ﹤0.01% 7642
2023
Q3 		– Sell
-100
Closed -$2K – 8765
2023
Q2 		$2K Sell
100
-700
-88% -$15.8K ﹤0.01% 8379
2023
Q1 		$17K Sell
800
-2,400
-75% -$56.2K ﹤0.01% 7048
2022
Q4 		$64K Buy
+3,200
New +$62K ﹤0.01% 5563
2022
Q3 		– Sell
-3,300
Closed -$65K – 9989
2022
Q2 		$65K Buy
3,300
+2,600
+371% +$69.1K ﹤0.01% 6143
2022
Q1 		$22K Sell
700
-100
-13% -$2.8K ﹤0.01% 8138
2021
Q4 		$17K Sell
800
-6,300
-89% -$164K ﹤0.01% 8537
2021
Q3 		$277K Hold
7,100
– – ﹤0.01% 5047
2021
Q2 		$276K Buy
7,100
+7,094
+118,233% +$254K ﹤0.01% 5131
2021
Q1 		$17K Sell
6
-72
-92% -$2.46K ﹤0.01% 7575
2020
Q4 		$206K Sell
78
-28
-26% -$572 ﹤0.01% 4553
2020
Q3 		$161K Sell
106
-71
-40% -$1.49K ﹤0.01% 4363
2020
Q2 		$359K Sell
177
-29
-14% -$520 ﹤0.01% 3305
2020
Q1 		$213K Buy
206
+187
+984% +$5.23K ﹤0.01% 3515
2019
Q4 		$71K Sell
19
-131
-87% -$5.89K ﹤0.01% 4862
2019
Q3 		$699K Buy
150
+137
+1,054% +$6.37K ﹤0.01% 2287
2019
Q2 		$67K Sell
13
-88
-87% -$5.16K ﹤0.01% 4580
2019
Q1 		$696K Buy
101
+71
+237% +$4.76K ﹤0.01% 2309
2018
Q4 		$178K Sell
30
-15
-33% -$1.29K ﹤0.01% 3273
2018
Q3 		$521K Buy
45
+44
+4,400% +$4.96K ﹤0.01% 2585
2018
Q2 		$12K Sell
1
-26
-96% -$3.17K ﹤0.01% 6211
2018
Q1 		$8K Sell
27
-40
-60% -$4.43K ﹤0.01% 4199
2017
Q4 		$9K Buy
67
+17
+34% +$1.7K ﹤0.01% 3974
2017
Q3 		$8K Buy
50
+41
+456% +$3.97K ﹤0.01% 3961
2017
Q2 		$6K Sell
9
-30
-77% -$3.23K ﹤0.01% 4402
2017
Q1 		$36K Buy
39
+8
+26% +$930 ﹤0.01% 2661
2016
Q4 		$2K Sell
31
-103
-77% -$11.4K ﹤0.01% 4991
2016
Q3 		$22K Buy
134
+121
+931% +$13.9K ﹤0.01% 2863
2016
Q2 		$6K Sell
13
-66
-84% -$7.97K ﹤0.01% 4037
2016
Q1 		$37K Sell
79
-20
-20% -$2.08K ﹤0.01% 2225
2015
Q4 		$38K Buy
99
+12
+14% +$1.37K ﹤0.01% 2137
2015
Q3 		$186K Buy
87
+46
+112% +$5K 0.01% 962
2015
Q2 		$30K Hold
41
– – ﹤0.01% 2091
2015
Q1 		$45K Buy
+41
New +$4.37K 0.01% 1636

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.