Rossby Financial’s Core Laboratories CLB Stock Holding History

Rossby Financial’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	$5.5K	Hold	472	–	–	﹤0.01%	1399
2026 Q1	$7.6K	Hold	472	–	–	﹤0.01%	1353
2025 Q4	$7.57K	Buy	472 +117	+33%	+$1.74K	﹤0.01%	1010
2025 Q3	$4.47K	Buy	355 +212	+148%	+$2.48K	﹤0.01%	1003
2025 Q2	$1.65K	Hold	143	–	–	﹤0.01%	1073
2025 Q1	$1.7K	Buy	+143	New	+$2.39K	﹤0.01%	945

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

Rossby Financial's CLB Position: Q2 2026 in Review

Rossby Financial held its Core Laboratories (CLB) position steady in Q2 2026 at 472 shares worth $5.5K. The position accounts for ﹤0.01% of the portfolio, ranked #1399.

Rossby Financial first reported a position in CLB in Q1 2025 and has held it in 6 quarters since. The position peaked at $7.6K in Q1 2026. 187 funds tracked by Wall St. Rank hold CLB as of Q2 2026.

Rossby Financial held 472 shares of Core Laboratories worth $5.5K as of Q2 2026.
Rossby Financial left its Core Laboratories share count unchanged in Q2 2026.
Core Laboratories made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1399 holding.
Rossby Financial first reported a position in Core Laboratories in Q1 2025 and has held it in 6 quarters since.
Rossby Financial's Core Laboratories position peaked at $7.6K in Q1 2026.
187 funds tracked by Wall St. Rank held Core Laboratories as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.