CLB Core Laboratories Inc. /DE/: institutional ownership and insider trading
194 funds reported holding $646M of Core Laboratories Inc. /DE/ in their latest 13F filings; in Q2 2026 funds net bought $25.1M, with 27 new positions and 31 funds selling out; over the last 12 months insiders bought $53.9K and sold $0 on the open market.
Famous investors holding CLB
- Ken Griffin (Citadel Advisors): $4.45M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $2.89M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $169K, 0.0% of the portfolio
Largest institutional holders of CLB
- ARIEL INVESTMENTS, LLC — $164M
- BlackRock, Inc. (BLK) — $86.9M
- VANGUARD GROUP INC — $49.4M
- DISCIPLINED GROWTH INVESTORS INC /MN — $35.4M
- EARNEST PARTNERS LLC — $34.3M
- STATE STREET CORP (STT, STT-PG) — $25.4M
- VANGUARD CAPITAL MANAGEMENT LLC — $18.5M
- DIMENSIONAL FUND ADVISORS LP — $18.0M
- SCHRODER INVESTMENT MANAGEMENT GROUP — $16.9M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $14.9M
Recent CLB insider trades
- Jul 31, 2026: Bruno Lawrence bought 5,000 shares ($53.9K)
5%+ owners
- Ariel Investments, LLC: 30.5% (Schedule 13G/A, filed Aug 14, 2026)
- BlackRock, Inc.: 8.3% (Schedule 13G/A, filed Aug 6, 2026)
- DISCIPLINED GROWTH INVESTORS INC /MN: 6.6% (Schedule 13G/A, filed Aug 14, 2026)