Ownership history in Walleye Trading LLC · 7 quarters on record
This page tracks every 13F SEC filing in which Walleye Trading LLC reported a position in CORE LABORATORIES INC (CLB). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | REDUCED | 2,200 | -7,800 | -78.0% | 0.00% | $27K | $12.35 |
| 2025 Q3 | REDUCED | 10,000 | -5,900 | -37.1% | 0.00% | $124K | $12.35 |
| 2025 Q2 | REDUCED | 15,900 | -2,100 | -11.7% | 0.00% | $183K | $11.50 |
| 2024 Q2 | ADDED | 18,000 | +2,000 | +12.5% | 0.00% | $365K | $20.20 |
| 2024 Q1 | REDUCED | 16,000 | -5,500 | -25.6% | 0.00% | $273K | $16.99 |
| 2023 Q4 | ADDED | 21,500 | +11,900 | +124.0% | 0.00% | $380K | $17.56 |
| 2023 Q2 | INITIATED | 9,600 | — | — | 0.00% | $223K | $23.09 |
As of 2025 Q4 — sorted by position size