Parnassus Investments
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Parnassus Investments’s Lam Research LRCX Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$70.9M Sell
728,028
-44,430
-6% -$4.32M 0.16% 76
2025
Q1
$56.2M Sell
772,458
-75,025
-9% -$5.45M 0.13% 92
2024
Q4
$61.2M Buy
847,483
+781,219
+1,179% +$56.4M 0.14% 93
2024
Q3
$54.1M Sell
66,264
-1,119
-2% -$913K 0.11% 94
2024
Q2
$71.8M Sell
67,383
-5,757
-8% -$6.13M 0.16% 87
2024
Q1
$71.1M Sell
73,140
-50,373
-41% -$48.9M 0.15% 92
2023
Q4
$96.7M Sell
123,513
-4,392
-3% -$3.44M 0.21% 82
2023
Q3
$80.2M Sell
127,905
-16,171
-11% -$10.1M 0.2% 87
2023
Q2
$92.6M Sell
144,076
-44,034
-23% -$28.3M 0.22% 83
2023
Q1
$99.7M Sell
188,110
-1,060
-0.6% -$562K 0.25% 78
2022
Q4
$79.5M Buy
+189,170
New +$79.5M 0.2% 89
2021
Q2
Sell
-137,697
Closed -$82M 130
2021
Q1
$82M Sell
137,697
-162,303
-54% -$96.6M 0.2% 90
2020
Q4
$142M Hold
300,000
0.38% 58
2020
Q3
$99.5M Sell
300,000
-200,000
-40% -$66.4M 0.31% 65
2020
Q2
$162M Hold
500,000
0.56% 48
2020
Q1
$120M Sell
500,000
-400,000
-44% -$96M 0.5% 51
2019
Q4
$263M Sell
900,000
-50,000
-5% -$14.6M 0.89% 41
2019
Q3
$220M Sell
950,000
-150,000
-14% -$34.7M 0.8% 41
2019
Q2
$207M Hold
1,100,000
0.78% 43
2019
Q1
$197M Sell
1,100,000
-400,000
-27% -$71.6M 0.78% 42
2018
Q4
$204M Buy
1,500,000
+800,000
+114% +$109M 0.89% 41
2018
Q3
$106M Buy
700,000
+625,000
+833% +$94.8M 0.41% 55
2018
Q2
$13M Buy
75,000
+50,000
+200% +$8.64M 0.05% 82
2018
Q1
$5.08M Hold
25,000
0.02% 80
2017
Q4
$4.6M Hold
25,000
0.02% 80
2017
Q3
$4.63M Sell
25,000
-25,000
-50% -$4.63M 0.02% 84
2017
Q2
$7.07M Sell
50,000
-50,000
-50% -$7.07M 0.03% 81
2017
Q1
$12.8M Sell
100,000
-350,000
-78% -$44.9M 0.06% 76
2016
Q4
$47.6M Sell
450,000
-300,000
-40% -$31.7M 0.24% 61
2016
Q3
$71M Hold
750,000
0.39% 47
2016
Q2
$63M Buy
750,000
+150,000
+25% +$12.6M 0.38% 46
2016
Q1
$49.6M Buy
600,000
+125,000
+26% +$10.3M 0.32% 52
2015
Q4
$37.7M Buy
475,000
+125,000
+36% +$9.93M 0.25% 53
2015
Q3
$22.9M Buy
350,000
+250,000
+250% +$16.3M 0.17% 61
2015
Q2
$8.14M Hold
100,000
0.06% 77
2015
Q1
$7.02M Sell
100,000
-350,000
-78% -$24.6M 0.05% 85
2014
Q4
$35.7M Hold
450,000
0.27% 54
2014
Q3
$33.6M Hold
450,000
0.29% 53
2014
Q2
$30.4M Hold
450,000
0.27% 54
2014
Q1
$24.8M Buy
450,000
+250,000
+125% +$13.8M 0.24% 67
2013
Q4
$10.9M Buy
200,000
+25,000
+14% +$1.36M 0.11% 87
2013
Q3
$8.96M Hold
175,000
0.1% 86
2013
Q2
$7.76M Buy
+175,000
New +$7.76M 0.1% 81