Reported 201,700 shares, down 70,000 (25.8%) from the prior quarter.
Reported value -7.3%; share count -25.8% vs. the prior quarter.
Reported position value by quarter
Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.
| Date | Holding Value |
|---|---|
| 2024-12-31 | 20506097 |
| 2025-03-31 | 20639530 |
| 2025-06-30 | 27634826 |
| 2025-09-30 | 37224200 |
| 2025-12-31 | 46509606 |
| 2026-03-31 | 43095222 |
| 2026-06-30 | 86362669 |
| 2026-09-30 | 65472043 |
Quarterly position history
How this manager's reported quarter-end position changed over time.
| Quarter | Activity | Shares | Change | % of reported 13F | Reported value | Filed | Source filing |
|---|---|---|---|---|---|---|---|
| Q3 2026 | Unchanged | 199,300 | 0 (0.0%) | 1.98% | $65,472,043 | 2026-10-21 | |
| Q2 2026 | Reduced | 199,300 | -2,400 (-1.2%) | 2.64% | $86,362,669 | 2026-07-22 | |
| Q1 2026 | Reduced | 201,700 | -70,000 (-25.8%) | 1.52% | $43,095,222 | 2026-04-22 | |
| Q4 2025 | Reduced | 271,700 | -6,300 (-2.3%) | 1.55% | $46,509,606 | 2026-02-13 | |
| Q3 2025 | Reduced | 278,000 | -5,900 (-2.1%) | 1.25% | $37,224,200 | 2025-10-22 | |
| Q2 2025 | Unchanged | 283,900 | 0 (0.0%) | 0.99% | $27,634,826 | 2025-07-30 | |
| Q1 2025 | Unchanged | 283,900 | 0 (0.0%) | 0.82% | $20,639,530 | 2025-04-23 | |
| Q4 2024 | New | 283,900 | +283,900 (0.0%) | 0.78% | $20,506,097 | 2025-02-11 |
Who else reported the position
2743 managers reported LAM RESEARCH CORP for Q1 2026.
| Manager | Activity | Shares | Change | % of reported 13F | Reported value | Tenure |
|---|---|---|---|---|---|---|
| BlackRock Inc | Reduced | 132,852,320 | -1,407,391 | 0.5% | $28,385,226,577 | 6 qtrs |
| VANGUARD CAPITAL MANAGEMENT LLC | New | 81,155,744 | +81,155,744 | 0.43% | $17,339,736,263 | 1 qtr |
| STATE STREET CORPORATION | Reduced | 59,158,300 | -527,784 | 0.44% | $12,654,872,320 | 6 qtrs |
| Invesco Ltd | Reduced | 50,464,319 | -575,370 | 1.05% | $10,782,206,351 | 6 qtrs |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New | 37,060,963 | +37,060,963 | 0.41% | $7,918,445,356 | 1 qtr |
| GEODE CAPITAL MANAGEMENT LLC | Added | 35,175,926 | +1,428,558 | 0.47% | $7,501,285,258 | 6 qtrs |
| FMR LLC | Added | 33,574,842 | +6,893,278 | 0.38% | $7,173,600,869 | 6 qtrs |
| JPMorgan Chase & Co | Added | 32,712,933 | +9,204,337 | 0.42% | $6,540,297,123 | 6 qtrs |
| AMERIPRISE FINANCIAL INC | Reduced | 20,788,130 | -2,462,212 | 1.03% | $4,441,721,269 | 6 qtrs |
| MORGAN STANLEY | Reduced | 18,971,122 | -914,885 | 0.24% | $4,053,370,630 | 6 qtrs |
Filing details and methodology As reported
- Report period
- March 31, 2026
- Filed
- April 22, 2026
- Filing type
- 13F-HR
- Position type
- COM
Voting authority reported
- Sole
- 201,700
- Shared
- 0
- None
- 0
“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.
Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.