XTX Topco’s Core Laboratories CLB Stock Holding History

XTX Topco’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	$994K	Buy	+85,331	New	+$1.22M	0.01%	1791
2026 Q1	–	Sell	-54,273	Closed	-$870K	–	3893
2025 Q4	$870K	Buy	54,273 +28,541	+111%	+$425K	0.02%	1130
2025 Q3	$318K	Sell	25,732 -22,776	-47%	-$267K	0.02%	1469
2025 Q2	$559K	Buy	48,508 +38,168	+369%	+$453K	0.02%	1010
2025 Q1	$155K	Buy	+10,340	New	+$173K	0.01%	1759
2024 Q2	–	Sell	-12,289	Closed	-$210K	–	1940
2024 Q1	$210K	Buy	+12,289	New	+$193K	0.03%	1136
2023 Q4	–	Sell	-8,357	Closed	-$201K	–	1662
2023 Q3	$201K	Buy	+8,357	New	+$205K	0.03%	1017
2022 Q4	–	Sell	-10,778	Closed	-$145K	–	1165
2022 Q3	$145K	Buy	+10,778	New	+$182K	0.04%	873
2021 Q3	–	Sell	-7,812	Closed	-$304K	–	737
2021 Q2	$304K	Buy	+7,812	New	+$280K	0.1%	356

Other funds holding CLB

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

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 Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

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 Malvern, Pennsylvania $4.68T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Schroder Investment Management Group London, United Kingdom $141B AUM 34.18% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

XTX Topco's CLB Position: Q2 2026 in Review

XTX Topco opened a new position in Core Laboratories (CLB) in Q2 2026: 85,331 shares worth $994K. The stake represents 0.01% of the portfolio and ranks #1791 among its holdings. This is a return to the name: XTX Topco previously reported a position in CLB as recently as Q4 2025.

XTX Topco first reported a position in CLB in Q2 2021 and has held it in 9 quarters since. 186 funds tracked by Wall St. Rank hold CLB as of Q2 2026.

XTX Topco held 85,331 shares of Core Laboratories worth $994K as of Q2 2026.
Core Laboratories was a new XTX Topco position in Q2 2026.
Core Laboratories made up 0.01% of XTX Topco's portfolio in Q2 2026, its #1791 holding.
XTX Topco first reported a position in Core Laboratories in Q2 2021 and has held it in 9 quarters since.
186 funds tracked by Wall St. Rank held Core Laboratories as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.