Ownership history in CITADEL ADVISORS LLC · 81 quarters on record
This page tracks every 13F SEC filing in which CITADEL ADVISORS LLC reported a position in PDF SOLUTIONS INC Cmn (PDFS). 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 | 39,856 | +2,566 | +6.9% | 0.00% | $1.1M | $28.53 |
| 2025 Q3 | ADDED | 37,290 | +28,590 | +328.6% | 0.00% | $963K | $25.82 |
| 2025 Q3 | REDUCED | 8,700 | -93,376 | -91.5% | 0.00% | $225K | $25.82 |
| 2025 Q2 | ADDED | 102,076 | +48,658 | +91.1% | 0.00% | $2.2M | $21.38 |
| 2025 Q1 | ADDED | 53,418 | +47,018 | +734.7% | 0.00% | $1.0M | $19.11 |
| 2025 Q1 | ADDED | 6,400 | +3,800 | +146.2% | 0.00% | $122K | $19.11 |
| 2025 Q1 | REDUCED | 2,600 | -9,100 | -77.8% | 0.00% | $50K | $19.11 |
| 2024 Q4 | ADDED | 11,700 | +9,500 | +431.8% | 0.00% | $317K | $27.08 |
| 2024 Q4 | REDUCED | 2,200 | -18,611 | -89.4% | 0.00% | $60K | $27.08 |
| 2024 Q4 | ADDED | 20,811 | +18,311 | +732.4% | 0.00% | $564K | $27.08 |
As of 2025 Q4 — sorted by position size