Dimensional Fund Advisors
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Dimensional Fund Advisors’s Lam Research LRCX Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$620M Sell
6,368,143
-130,842
-2% -$12.7M 0.14% 91
2025
Q1
$472M Sell
6,498,985
-172,401
-3% -$12.5M 0.12% 123
2024
Q4
$482M Buy
6,671,386
+6,026,403
+934% +$435M 0.12% 116
2024
Q3
$526M Buy
644,983
+30,778
+5% +$25.1M 0.13% 110
2024
Q2
$654M Buy
614,205
+25,362
+4% +$27M 0.17% 78
2024
Q1
$572M Sell
588,843
-76,620
-12% -$74.4M 0.15% 95
2023
Q4
$521M Sell
665,463
-21,376
-3% -$16.7M 0.15% 92
2023
Q3
$431M Sell
686,839
-7,158
-1% -$4.49M 0.14% 104
2023
Q2
$446M Sell
693,997
-21,724
-3% -$14M 0.14% 106
2023
Q1
$379M Buy
715,721
+13,454
+2% +$7.13M 0.13% 127
2022
Q4
$295K Sell
702,267
-3,635
-0.5% -$1.53K 0.09% 181
2022
Q3
$258M Buy
705,902
+1,620
+0.2% +$593K 0.1% 187
2022
Q2
$300M Buy
704,282
+14,566
+2% +$6.21M 0.11% 161
2022
Q1
$371M Sell
689,716
-2,335
-0.3% -$1.26M 0.11% 147
2021
Q4
$498M Sell
692,051
-35,288
-5% -$25.4M 0.15% 97
2021
Q3
$414M Sell
727,339
-53,985
-7% -$30.7M 0.13% 109
2021
Q2
$508M Sell
781,324
-26,129
-3% -$17M 0.16% 87
2021
Q1
$481M Sell
807,453
-22,697
-3% -$13.5M 0.16% 87
2020
Q4
$392M Buy
830,150
+2,903
+0.4% +$1.37M 0.14% 94
2020
Q3
$274M Sell
827,247
-13,079
-2% -$4.34M 0.12% 125
2020
Q2
$272M Sell
840,326
-151,879
-15% -$49.1M 0.12% 114
2020
Q1
$238M Buy
992,205
+29,495
+3% +$7.08M 0.12% 114
2019
Q4
$281M Sell
962,710
-10,624
-1% -$3.11M 0.1% 138
2019
Q3
$225M Sell
973,334
-114,269
-11% -$26.4M 0.09% 185
2019
Q2
$204M Sell
1,087,603
-3,879
-0.4% -$729K 0.08% 214
2019
Q1
$195M Buy
1,091,482
+65,552
+6% +$11.7M 0.08% 221
2018
Q4
$140M Buy
1,025,930
+2,200
+0.2% +$300K 0.06% 305
2018
Q3
$155M Buy
1,023,730
+63,439
+7% +$9.62M 0.06% 368
2018
Q2
$166M Sell
960,291
-226,675
-19% -$39.2M 0.07% 311
2018
Q1
$241M Sell
1,186,966
-472,525
-28% -$96M 0.1% 163
2017
Q4
$305M Sell
1,659,491
-203,574
-11% -$37.5M 0.13% 110
2017
Q3
$345M Sell
1,863,065
-8,032
-0.4% -$1.49M 0.15% 83
2017
Q2
$265M Buy
1,871,097
+1,753
+0.1% +$248K 0.12% 116
2017
Q1
$240M Buy
1,869,344
+80,261
+4% +$10.3M 0.11% 134
2016
Q4
$189M Sell
1,789,083
-8,947
-0.5% -$946K 0.09% 191
2016
Q3
$170M Buy
1,798,030
+123,417
+7% +$11.7M 0.09% 189
2016
Q2
$141M Buy
1,674,613
+343,539
+26% +$28.9M 0.08% 238
2016
Q1
$110M Buy
1,331,074
+13,903
+1% +$1.15M 0.07% 335
2015
Q4
$105M Buy
1,317,171
+38,395
+3% +$3.05M 0.07% 335
2015
Q3
$83.5M Buy
1,278,776
+257,031
+25% +$16.8M 0.05% 416
2015
Q2
$83.1M Buy
1,021,745
+67,134
+7% +$5.46M 0.05% 472
2015
Q1
$67.1M Buy
954,611
+15,439
+2% +$1.08M 0.04% 586
2014
Q4
$74.5M Buy
939,172
+7,838
+0.8% +$622K 0.05% 466
2014
Q3
$69.6M Sell
931,334
-6,932
-0.7% -$518K 0.05% 460
2014
Q2
$63.4M Sell
938,266
-29,118
-3% -$1.97M 0.04% 537
2014
Q1
$53.2M Sell
967,384
-34,735
-3% -$1.91M 0.04% 614
2013
Q4
$54.6M Buy
1,002,119
+154,081
+18% +$8.39M 0.04% 562
2013
Q3
$43.4M Buy
848,038
+63,571
+8% +$3.25M 0.04% 634
2013
Q2
$34.8M Buy
+784,467
New +$34.8M 0.03% 725