Ownership history in Sienna Gestion · 8 quarters on record
This page tracks every 13F SEC filing in which Sienna Gestion reported a position in LAM RESEARCH CORP (LRCX). 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 | REDUCED | 115,820 | -12,840 | -10.0% | 1.19% | $20.0M | $170.98 |
| 2025 Q3 | ADDED | 128,660 | +43,990 | +52.0% | 1.10% | $15.7M | $133.52 |
| 2025 Q2 | ADDED | 84,670 | +7,141 | +9.2% | 0.52% | $7.5M | $96.87 |
| 2025 Q1 | REDUCED | 77,529 | -9,941 | -11.4% | 0.44% | $5.5M | $72.17 |
| 2024 Q4 | ADDED | 87,470 | +78,723 | +900.0% | 0.43% | $6.3M | $71.49 |
| 2024 Q3 | ADDED | 8,747 | +2,356 | +36.9% | 0.47% | $7.1M | $80.52 |
| 2024 Q2 | ADDED | 6,391 | +5,883 | +1158.1% | 0.60% | $6.8M | $104.75 |
| 2024 Q1 | INITIATED | 508 | — | — | 0.01% | $494K | — |
As of 2025 Q4 — sorted by position size