Rational Advisors’s Lam Research LRCX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $204K | Buy |
470
+58
| +14% | +$17.6K | 0.02% | 122 |
|
|
2026
Q1 | $88K | Hold |
412
| – | – | 0.01% | 111 |
|
|
2025
Q4 | $70.5K | Buy |
412
+42
| +11% | +$6.53K | 0.01% | 123 |
|
|
2025
Q3 | $49.5K | Buy |
370
+82
| +28% | +$8.68K | ﹤0.01% | 135 |
|
|
2025
Q2 | $28K | Buy |
+288
| New | +$22.8K | ﹤0.01% | 152 |
|
|
2024
Q2 | – | Sell |
-4,020
| Closed | -$391K | – | 218 |
|
|
2024
Q1 | $391K | Sell |
4,020
-2,740
| -41% | -$241K | 0.04% | 100 |
|
|
2023
Q4 | $529K | Buy |
+6,760
| New | +$461K | 0.05% | 86 |
|
|
2021
Q1 | – | Sell |
-2,020
| Closed | -$95K | – | 206 |
|
|
2020
Q4 | $95K | Buy |
2,020
+2,010
| +20,100% | +$84.6K | 0.03% | 186 |
|
|
2020
Q3 | $0 | Hold |
10
| – | – | ﹤0.01% | 627 |
|
|
2020
Q2 | $0 | Buy |
+10
| New | +$273 | ﹤0.01% | 526 |
|
|
2020
Q1 | – | Sell |
-6,670
| Closed | -$195K | – | 369 |
|
|
2019
Q4 | $195K | Sell |
6,670
-10,160
| -60% | -$270K | 0.09% | 192 |
|
|
2019
Q3 | $389K | Buy |
16,830
+13,780
| +452% | +$289K | 0.15% | 162 |
|
|
2019
Q2 | $57K | Buy |
3,050
+2,770
| +989% | +$52.6K | 0.02% | 328 |
|
|
2019
Q1 | $5K | Buy |
280
+70
| +33% | +$1.17K | ﹤0.01% | 458 |
|
|
2018
Q4 | $3K | Sell |
210
-410
| -66% | -$5.88K | ﹤0.01% | 458 |
|
|
2018
Q3 | $9K | Sell |
620
-2,860
| -82% | -$48.8K | ﹤0.01% | 403 |
|
|
2018
Q2 | $60K | Buy |
3,480
+2,970
| +582% | +$57.2K | 0.03% | 252 |
|
|
2018
Q1 | $10K | Buy |
+510
| New | +$10.1K | ﹤0.01% | 375 |
|
|
2017
Q4 | – | Sell |
-13,000
| Closed | -$241K | – | 334 |
|
|
2017
Q3 | $241K | Sell |
13,000
-4,000
| -24% | -$64.9K | 0.13% | 186 |
|
|
2017
Q2 | $240K | Buy |
+17,000
| New | +$249K | 0.15% | 167 |
|
|
2015
Q3 | $13K | Hold |
1,920
| – | – | 0.01% | 304 |
|
|
2015
Q2 | $16K | Hold |
1,920
| – | – | 0.01% | 300 |
|
|
2015
Q1 | $13K | Sell |
1,920
-1,280
| -40% | -$10.1K | ﹤0.01% | 314 |
|
|
2014
Q4 | $25K | Buy |
+3,200
| New | +$24.8K | 0.01% | 326 |
|
|
2013
Q4 | $26K | Sell |
4,800
-320
| -6% | -$1.68K | ﹤0.01% | 715 |
|
|
2013
Q3 | $26K | Hold |
5,120
| – | – | ﹤0.01% | 734 |
|
|
2013
Q2 | $23K | Buy |
+5,120
| New | +$23.2K | ﹤0.01% | 744 |
|
Other funds holding LRCX
Rational Advisors's LRCX Position: Q2 2026 in Review
Rational Advisors increased its Lam Research (LRCX) stake by 14% in Q2 2026, buying an estimated $17.6K and bringing the position to 470 shares worth $204K. The position accounts for 0.02% of the portfolio, ranked #122.
Rational Advisors first reported a position in LRCX in Q2 2013 and has held it in 27 quarters since. The position peaked at $529K in Q4 2023. 3,130 funds tracked by Wall St. Rank hold LRCX as of Q2 2026.
- Rational Advisors held 470 shares of Lam Research worth $204K as of Q2 2026.
- Rational Advisors bought 58 Lam Research shares in Q2 2026, an estimated $17.6K.
- Lam Research made up 0.02% of Rational Advisors's portfolio in Q2 2026, its #122 holding.
- Rational Advisors first reported a position in Lam Research in Q2 2013 and has held it in 27 quarters since.
- Rational Advisors's Lam Research position peaked at $529K in Q4 2023.
- 3,130 funds tracked by Wall St. Rank held Lam Research as of Q2 2026.
Based on Rational Advisors's 13F filing for Q2 2026, filed 24 Jul 2026.