Ownership history in Qube Research & Technologies Ltd · 10 quarters on record
This page tracks every 13F SEC filing in which Qube Research & Technologies Ltd reported a position in PDF SOLUTIONS INC (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 Q3 | REDUCED | 57,860 | -98,899 | -63.1% | 0.00% | $1.5M | $25.82 |
| 2025 Q2 | ADDED | 156,759 | +69,187 | +79.0% | 0.00% | $3.4M | $21.38 |
| 2025 Q1 | ADDED | 87,572 | +62,461 | +248.7% | 0.00% | $1.7M | $19.11 |
| 2024 Q4 | REDUCED | 25,111 | -3,519 | -12.3% | 0.00% | $680K | $27.08 |
| 2024 Q2 | REDUCED | 28,630 | -71,538 | -71.4% | 0.00% | $1.0M | $36.38 |
| 2024 Q1 | REDUCED | 100,168 | -42,169 | -29.6% | 0.01% | $3.4M | $33.67 |
| 2023 Q4 | ADDED | 142,337 | +69,917 | +96.5% | 0.01% | $4.6M | $32.14 |
| 2023 Q3 | ADDED | 72,420 | +46,670 | +181.2% | 0.01% | $2.3M | $32.40 |
| 2023 Q2 | ADDED | 25,750 | +7,285 | +39.5% | 0.00% | $1.2M | $45.10 |
| 2023 Q1 | INITIATED | 18,465 | — | — | 0.00% | $783K | $42.40 |
As of 2025 Q4 — sorted by position size