// company-profile
Lam Research Corp
LRCXExchangeNasdaqSectorSpecial Industry Machinery, NECInc.DEFilings141Insiders23
// api This Lam Research Corp insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Lam Research Corp insiders bought $463K (2 transactions) and sold $3.1M (3 transactions).
- Most active insider: BRANDT ERIC with 43 transactions totaling $39.1M.
- Largest single sale: $4.6M by Fernandes Neil J on May 1, 2026.
- 94% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Lam Research Corp as of 2026-03-31
Total reported AUM
$197.45B
QoQ change
+25.1%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$17.34B
81.2M shares
#2
STATE STREET CORP
CIK 93751
$12.65B
59.2M shares
#3
BlackRock, Inc.
CIK 2012383
$11.89B
55.6M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 12, 2026 | BRANDT ERIC | LRCX | Sale10b5 | 1,100 | $357.98 | $394K |
| Jun 12, 2026 | BRANDT ERIC | LRCX | Sale10b5 | 4,198 | $369.16 | $1.55M |
| Jun 12, 2026 | BRANDT ERIC | LRCX | Sale10b5 | 5,803 | $367.01 | $2.13M |
| Jun 12, 2026 | BRANDT ERIC | LRCX | Sale10b5 | 3,828 | $359.08 | $1.37M |
| Jun 12, 2026 | BRANDT ERIC | LRCX | Sale10b5 | 819 | $361.21 | $296K |
45 more transactions hidden
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