MACM
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MAC Alpha Capital Management’s Core Laboratories CLB Stock Holding History

MAC Alpha Capital Management’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 		$3.06M Sell
262,894
-20,302
-7% -$290K 1.42% 20
2026
Q1 		$4.75M Sell
283,196
-29,732
-10% -$532K 2.77% 16
2025
Q4 		$5.02M Buy
+312,928
New +$4.66M 2.76% 17

Other funds holding CLB

AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
BlackRock
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
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
State Street
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Schroder Investment Management Group
Schroder Investment Management Group London, United Kingdom $141B AUM 34.18% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

MAC Alpha Capital Management's CLB Position: Q2 2026 in Review

MAC Alpha Capital Management reduced its Core Laboratories (CLB) stake by 7.2% in Q2 2026, selling an estimated $290K and leaving 262,894 shares worth $3.06M. The position accounts for 1.42% of the portfolio, ranked #20.

MAC Alpha Capital Management first reported a position in CLB in Q4 2025 and has held it in 3 quarters since. The position peaked at $5.02M in Q4 2025. 186 funds tracked by Wall St. Rank hold CLB as of Q2 2026.

  • MAC Alpha Capital Management held 262,894 shares of Core Laboratories worth $3.06M as of Q2 2026.
  • MAC Alpha Capital Management sold 20,302 Core Laboratories shares in Q2 2026, an estimated $290K.
  • Core Laboratories made up 1.42% of MAC Alpha Capital Management's portfolio in Q2 2026, its #20 holding.
  • MAC Alpha Capital Management first reported a position in Core Laboratories in Q4 2025 and has held it in 3 quarters since.
  • MAC Alpha Capital Management's Core Laboratories position peaked at $5.02M in Q4 2025.
  • 186 funds tracked by Wall St. Rank held Core Laboratories as of Q2 2026.

Based on MAC Alpha Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.