Core Laboratories Inc. /DE/ (CLB) research
Core Laboratories Inc. /DE/- Sector
- Energy
- Industry
- Oil & Gas Equipment & Services
- Last price
- $12.47
- As of
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- highINSTITUTIONAL_EXIT
RENAISSANCE TECHNOLOGIES LLC cut 71% of CLB (2026Q2)
- highINSTITUTIONAL_EXIT
CITADEL ADVISORS LLC cut 72% of CLB (2026Q2)
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +906% to CLB (2026Q2)
- highINSTITUTIONAL_SURGE
D. E. Shaw & Co., Inc. added +109% to CLB (2026Q2)
- highINSTITUTIONAL_EXIT
RENAISSANCE TECHNOLOGIES LLC cut 71% of CLB (2026Q2)
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Every signal on CLB, as it fires
You are seeing 5 of 19 signals recorded on CLB since 2026-05-30.
The five above all landed on 2026-09-06. The other 14 were recorded on 4 other days. 15 of the 19 are institutional flow rows, which arrive in batches on filing days.
No fixed schedule: it goes out when the data has something in it. Unsubscribe anytime. We never sell your data.
Largest reported share positions in CLB (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| CITADEL ADVISORS LLCCUSIP 21867A105 · 2026Q2 | $4.3M | 0.00% | , |
| D. E. Shaw & Co., Inc.CUSIP 21867A105 · 2026Q2 | $2.9M | 0.00% | , |
| RENAISSANCE TECHNOLOGIES LLCCUSIP 21867A105 · 2026Q2 | $169K | 0.00% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, CLB
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
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