Roelof Botha is Director at Natera, Inc. (NTRA). They have made 14 open-market trades across 6 companies since 2014, most recently 2026-08-08.
CIK 0001222287
7 open-market purchases totalling $256.0M since 2014, against 7 sales. Across 6 scored buys the stock is up 11.5% at ninety days, and 8.8 points ahead of the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 83% | 50% | 67% |
| Avg Move | +0.7% | +9.0% | +11.5% |
| Alpha | -0.8% | +7.1% | +8.8% |
| Scored | 6 | 6 | 6 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MDB | SELL | 2026-06-02 | 2026-06-04 | $398.07 | $17.5M | -6.9% | -4.6% | +0.1% |
| NTRA | SELL | 2026-06-01 | 2026-06-03 | $220.31 | $17.2M | +1.9% | +33.4% | +50.6% |
| LIFE | BUY | 2026-01-29 | 2026-02-02 | $19.00 | $4.9M | -26.8% | -3.5% | +39.1% |
| MDB | SELL | 2025-12-05 | 2025-12-09 | $405.88 | $19.3M | +4.3% | +0.2% | -34.2% |
| NTRA | SELL | 2025-11-24 | 2025-11-26 | $236.28 | $34.4M | -0.6% | -1.4% | -11.6% |
| NTRA | SELL | 2024-12-02 | 2024-12-04 | $169.12 | $29.6M | -2.2% | -4.0% | -18.5% |
| SQ | BUY | 2024-08-06 | 2024-08-08 | $57.55 | $50.0M | +5.0% | -0.8% | +25.7% |
| MDB | SELL | 2024-03-13 | 2024-03-15 | $371.96 | $19.0M | +0.5% | -2.8% | -38.9% |
| CART | BUY | 2024-02-20 | 2024-02-22 | $28.54 | $115.3M | +5.8% | +22.7% | +6.0% |
| SQ | BUY | 2023-11-08 | 2023-11-13 | $50.89 | $54.7M | +10.5% | +29.8% | +27.6% |
| NTRA | BUY | 2022-03-16 | 2022-03-18 | $32.71 | $10.0M | +3.7% | -5.1% | -17.6% |
| NTRA | SELL | 2021-05-14 | 2021-05-18 | $93.60 | $12.7M | +9.4% | +19.9% | +17.4% |
| NTRA | BUY | 2016-06-19 | 2016-06-21 | $11.94 | $20.0M | +5.7% | +10.8% | -12.0% |
| XOOM | BUY | 2014-10-31 | 2014-11-03 | $15.28 | $1.1M | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| U |
| 26,407 |
| $1.1M |
| MDB | 1,897 | $640K |
| ME | 658,485 | $399K |
| BRDS | 235,339 | $212K |
| EB | 6,274 | $28K |
| XOOM | 12,369 | — |
| Total | $501.2M |
Shares reported on the most recent Form 4, priced at the 2026-08-11 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.