Ownership history in Walleye Trading LLC · 67 quarters on record
This page tracks every 13F SEC filing in which Walleye Trading LLC reported a position in ICON PLC (ICLR). 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 Q4 | ADDED | 27,383 | +26,983 | +6745.8% | 0.01% | $5.0M | $182.22 |
| 2025 Q4 | REDUCED | 400 | -24,187 | -98.4% | 0.00% | $73K | $182.22 |
| 2025 Q3 | ADDED | 24,587 | +18,487 | +303.1% | 0.01% | $4.3M | $175.00 |
| 2025 Q3 | REDUCED | 6,100 | -5,200 | -46.0% | 0.00% | $1.1M | $175.00 |
| 2025 Q3 | REDUCED | 11,300 | -7,573 | -40.1% | 0.00% | $2.0M | $175.00 |
| 2025 Q2 | ADDED | 18,873 | +15,973 | +550.8% | 0.00% | $2.7M | $145.45 |
| 2025 Q2 | ADDED | 2,900 | +1,000 | +52.6% | 0.00% | $422K | $145.45 |
| 2025 Q2 | ADDED | 1,900 | +1,233 | +184.9% | 0.00% | $276K | $145.45 |
| 2025 Q1 | REDUCED | 667 | -1,433 | -68.2% | 0.00% | $117K | $174.99 |
| 2025 Q1 | ADDED | 2,100 | +1,700 | +425.0% | 0.00% | $367K | $174.99 |
As of 2025 Q4 — sorted by position size