David R. Walt is Director at ILLUMINA INC (ILMN). They have made 26 open-market trades across 4 companies since 2006, most recently 2026-01-02.
CIK 0001205236
19 open-market purchases totalling $16.3M since 2015, against 7 sales. Across 19 scored buys the stock is up 20.0% at ninety days, and 12.2 points ahead of the S&P over the same stretch.
19 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 47% | 53% | 63% |
| Avg Move | -1.3% | +1.6% | +20.0% |
| Alpha | -1.9% | -1.2% | +12.2% |
| Scored | 19 | 19 | 19 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| QTRX | BUY | 2025-06-12 | 2025-06-13 | $6.16 | $2.0M | +2.5% | -5.6% | -25.3% |
| QTRX | BUY | 2025-06-06 | 2025-06-09 | $5.40 | $2.3M | +8.9% | +5.0% | -19.6% |
| QTRX | BUY | 2024-08-20 | 2024-09-17 | $13.29 | $625K | -7.4% | -9.7% | -17.0% |
| QTRX | BUY | 2022-08-10 | 2022-08-10 | $8.62 | $2.6M | -4.7% | +7.7% | -0.5% |
| QTRX | BUY | 2020-03-13 | 2020-03-17 | $16.66 | $1.8M | +15.7% | +57.7% | +75.6% |
| XCUR | BUY | 2020-03-13 | 2020-03-16 | $1.21 | $704K | +18.3% | +66.1% | +147.0% |
| XCUR | BUY | 2019-08-02 | 2019-08-06 | $2.00 | $2.0M | +18.7% | +0.4% | +7.0% |
| QTRX | BUY | 2017-12-11 | 2017-12-13 | $15.00 | $3.0M | +11.5% | +9.7% | +11.0% |
| XCUR | BUY | 2017-09-26 | 2017-09-28 | $3.00 | $805K | +12.3% | +19.5% | +19.5% |
| ILMN | SELL | 2016-04-07 | 2016-04-11 | $168.90 | $676K | -14.7% | -18.3% | -17.9% |
| ILMN | SELL | 2016-03-15 | 2016-03-16 | $149.99 | $600K | +5.8% | +17.0% | -7.2% |
| CERU | BUY | 2016-02-19 | 2016-02-23 | $2.08 | $5K | +16.4% | +31.4% | +13.0% |
| CERU | BUY | 2016-02-17 | 2016-02-19 | $2.10 | $19K | -3.8% | +15.7% | +12.4% |
| CERU | BUY | 2016-02-12 | 2016-02-17 | $2.00 | $18K | -6.7% | +15.3% | +10.0% |
| CERU | BUY | 2016-02-10 | 2016-02-12 | $2.06 | $18K | -1.5% | +17.3% | +5.6% |
| CERU | BUY | 2016-02-08 | 2016-02-10 | $2.15 | $19K | +3.5% | +10.0% | +22.0% |
| CERU | BUY | 2016-02-04 | 2016-02-08 | $2.30 | $20K | +2.0% | +7.4% | +19.8% |
| CERU | BUY | 2016-02-02 | 2016-02-04 | $2.32 | $20K | -8.7% | +3.5% | +8.7% |
| CERU | BUY | 2016-01-29 | 2016-02-02 | $2.38 | $14K | -16.3% | +0.9% | +33.0% |
| CERU | BUY | 2016-01-27 | 2016-01-29 | $2.46 | $44K | -16.4% | -20.1% | +45.5% |
| CERU | BUY | 2016-01-25 | 2016-01-27 | $2.39 | $21K | -16.7% | -19.9% | +48.0% |
| CERU | BUY | 2016-01-21 | 2016-01-25 | $2.28 | $41K | -1.3% | -18.6% | +63.1% |
| CERU | BUY | 2016-01-19 | 2016-01-21 | $2.43 | $43K | +2.7% | -6.7% | +77.2% |
| CERU | BUY | 2016-01-14 | 2016-01-19 | $2.53 | $43K | +2.1% | -11.5% | +40.9% |
| CERU | BUY | 2016-01-12 | 2016-01-14 | $2.79 | $48K | -3.6% | -19.8% | +27.3% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.