Citadel Advisors
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Citadel Advisors’s Core Laboratories CLB Stock Holding History

Citadel Advisors’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 		$257K Buy
+15,300
New +$274K ﹤0.01% 10839
2025
Q4 		– Sell
-15,200
Closed -$188K – 12791
2025
Q3 		$188K Sell
15,200
-700
-4% -$8.21K ﹤0.01% 11320
2025
Q2 		$183K Buy
15,900
+6,000
+61% +$71.2K ﹤0.01% 10757
2025
Q1 		$148K Sell
9,900
-5,500
-36% -$92.1K ﹤0.01% 10891
2024
Q4 		$267K Sell
15,400
-7,800
-34% -$151K ﹤0.01% 9898
2024
Q3 		$430K Buy
23,200
+12,600
+119% +$253K ﹤0.01% 8585
2024
Q2 		$215K Sell
10,600
-111,000
-91% -$1.96M ﹤0.01% 9773
2024
Q1 		$2.08M Sell
121,600
-5,600
-4% -$88.1K ﹤0.01% 5445
2023
Q4 		$2.25M Buy
127,200
+105,000
+473% +$2.12M ﹤0.01% 5157
2023
Q3 		$533K Buy
22,200
+3,100
+16% +$76.1K ﹤0.01% 7925
2023
Q2 		$444K Sell
19,100
-8,100
-30% -$183K ﹤0.01% 8201
2023
Q1 		$600K Buy
27,200
+4,500
+20% +$105K ﹤0.01% 7943
2022
Q4 		$460K Sell
22,700
-3,500
-13% -$67.8K ﹤0.01% 8417
2022
Q3 		$353K Sell
26,200
-11,000
-30% -$185K ﹤0.01% 9211
2022
Q2 		$737K Buy
37,200
+16,000
+75% +$425K ﹤0.01% 7735
2022
Q1 		$671K Sell
21,200
-12,500
-37% -$350K ﹤0.01% 8669
2021
Q4 		$752K Sell
33,700
-1,500
-4% -$39.1K ﹤0.01% 8645
2021
Q3 		$977K Sell
35,200
-26,100
-43% -$795K ﹤0.01% 8214
2021
Q2 		$2.39M Sell
61,300
-24,600
-29% -$882K ﹤0.01% 6161
2021
Q1 		$2.47M Buy
85,900
+69,000
+408% +$2.36M ﹤0.01% 5903
2020
Q4 		$448K Sell
16,900
-15,100
-47% -$308K ﹤0.01% 8349
2020
Q3 		$488K Sell
32,000
-5,600
-15% -$117K ﹤0.01% 7345
2020
Q2 		$764K Sell
37,600
-1,800
-5% -$32.3K ﹤0.01% 6327
2020
Q1 		$407K Buy
39,400
+7,700
+24% +$215K ﹤0.01% 6798
2019
Q4 		$1.19M Buy
31,700
+11,300
+55% +$508K ﹤0.01% 5277
2019
Q3 		$951K Sell
20,400
-10,600
-34% -$493K ﹤0.01% 5683
2019
Q2 		$1.62M Sell
31,000
-20,900
-40% -$1.23M ﹤0.01% 4883
2019
Q1 		$3.58M Buy
51,900
+19,800
+62% +$1.33M ﹤0.01% 3479
2018
Q4 		$1.92M Sell
32,100
-5,400
-14% -$466K ﹤0.01% 4216
2018
Q3 		$4.34M Buy
37,500
+26,600
+244% +$3M ﹤0.01% 3175
2018
Q2 		$1.38M Sell
10,900
-2,800
-20% -$341K ﹤0.01% 4679
2018
Q1 		$1.48M Sell
13,700
-31,600
-70% -$3.5M ﹤0.01% 4192
2017
Q4 		$4.96M Buy
45,300
+18,200
+67% +$1.82M ﹤0.01% 2488
2017
Q3 		$2.67M Sell
27,100
-3,600
-12% -$349K ﹤0.01% 3062
2017
Q2 		$3.11M Buy
30,700
+13,100
+74% +$1.41M ﹤0.01% 2618
2017
Q1 		$2.03M Sell
17,600
-13,100
-43% -$1.52M ﹤0.01% 3057
2016
Q4 		$3.69M Buy
30,700
+8,800
+40% +$974K ﹤0.01% 2299
2016
Q3 		$2.46M Sell
21,900
-15,800
-42% -$1.82M ﹤0.01% 2733
2016
Q2 		$4.67M Sell
37,700
-8,800
-19% -$1.06M 0.01% 1877
2016
Q1 		$5.23M Buy
46,500
+24,300
+109% +$2.52M 0.01% 1726
2015
Q4 		$2.41M Sell
22,200
-17,800
-45% -$2.04M ﹤0.01% 2554
2015
Q3 		$3.99M Sell
40,000
-800
-2% -$87K ﹤0.01% 2173
2015
Q2 		$4.65M Buy
40,800
+8,300
+26% +$1.01M ﹤0.01% 2135
2015
Q1 		$3.4M Buy
32,500
+12,500
+63% +$1.33M ﹤0.01% 2446
2014
Q4 		$2.41M Sell
20,000
-9,100
-31% -$1.2M ﹤0.01% 2694
2014
Q3 		$4.26M Buy
29,100
+16,700
+135% +$2.58M ﹤0.01% 2129
2014
Q2 		$2.07M Sell
12,400
-10,100
-45% -$1.8M ﹤0.01% 2708
2014
Q1 		$4.46M Buy
22,500
+2,200
+11% +$415K 0.01% 1885
2013
Q4 		$3.88M Buy
20,300
+9,200
+83% +$1.71M 0.01% 1892
2013
Q3 		$1.88M Sell
11,100
-2,100
-16% -$326K ﹤0.01% 2466
2013
Q2 		$2M Buy
+13,200
New +$1.87M ﹤0.01% 2493

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

Citadel Advisors's CLB Position: Q1 2026 in Review

Citadel Advisors increased its Core Laboratories (CLB) stake by 319% in Q1 2026, buying an estimated $2.11M and bringing the position to 154,800 shares worth $2.6M. The position accounts for ﹤0.01% of the portfolio, ranked #5541.

Citadel Advisors first reported a position in CLB in Q2 2013 and has held it in 46 quarters since. The position peaked at $44.3M in Q1 2019. 190 funds tracked by Wall St. Rank hold CLB as of Q1 2026.

  • Citadel Advisors held 154,800 shares of Core Laboratories worth $2.6M as of Q1 2026.
  • Citadel Advisors bought 117,867 Core Laboratories shares in Q1 2026, an estimated $2.11M.
  • Core Laboratories made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #5541 holding.
  • Citadel Advisors first reported a position in Core Laboratories in Q2 2013 and has held it in 46 quarters since.
  • Citadel Advisors's Core Laboratories position peaked at $44.3M in Q1 2019.
  • 190 funds tracked by Wall St. Rank held Core Laboratories as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.