Ownership history in TOWER BRIDGE ADVISORS · 21 quarters on record
This page tracks every 13F SEC filing in which TOWER BRIDGE ADVISORS reported a position in LAM RESEARCH CORP COM (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 | 133,721 | -3,336 | -2.4% | 2.31% | $22.9M | $170.98 |
| 2025 Q3 | REDUCED | 137,057 | -1,494 | -1.1% | 1.83% | $18.4M | $133.52 |
| 2025 Q2 | REDUCED | 138,551 | -2,899 | -2.0% | 1.45% | $13.5M | $96.87 |
| 2025 Q1 | ADDED | 141,450 | +102,395 | +262.2% | 1.15% | $10.3M | $72.17 |
| 2024 Q4 | ADDED | 39,055 | +35,457 | +985.5% | 0.30% | $2.8M | $71.49 |
| 2024 Q3 | ADDED | 3,598 | +25 | +0.7% | 0.30% | $2.9M | $80.52 |
| 2024 Q2 | ADDED | 3,573 | +55 | +1.6% | 0.42% | $3.8M | $104.75 |
| 2024 Q1 | REDUCED | 3,518 | -105 | -2.9% | 0.35% | $3.4M | $95.40 |
| 2023 Q4 | ADDED | 3,623 | +135 | +3.9% | 0.24% | $2.8M | $76.74 |
| 2023 Q3 | ADDED | 3,488 | +290 | +9.1% | 0.20% | $2.2M | $61.24 |
As of 2025 Q4 — sorted by position size