Grantham, Mayo, Van Otterloo & Co (GMO)’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
Q1
$1.48B Sell
6,904,206
-2,439,874
-26% -$546M 3.77% 6
2025
Q4
$1.6B Sell
9,344,080
-489,931
-5% -$76.2M 4.09% 5
2025
Q3
$1.32B Buy
9,834,011
+156,371
+2% +$16.6M 3.71% 5
2025
Q2
$942M Buy
9,677,640
+1,084,306
+13% +$86M 2.83% 9
2025
Q1
$625M Buy
8,593,334
+495,669
+6% +$39M 1.97% 17
2024
Q4
$585M Sell
8,097,665
-325
-0% -$24.7K 1.9% 19
2024
Q3
$661M Buy
8,097,990
+421,810
+5% +$36.7M 2.07% 18
2024
Q2
$817M Buy
7,676,180
+268,000
+4% +$25.7M 2.76% 7
2024
Q1
$720M Buy
7,408,180
+1,095,600
+17% +$96.4M 2.62% 8
2023
Q4
$494M Sell
6,312,580
-1,091,110
-15% -$74.4M 2.18% 10
2023
Q3
$464M Sell
7,403,690
-407,800
-5% -$26.8M 2.19% 10
2023
Q2
$502M Sell
7,811,490
-88,620
-1% -$5M 2.32% 9
2023
Q1
$419M Buy
7,900,110
+246,770
+3% +$12.1M 2.13% 8
2022
Q4
$322M Buy
7,653,340
+95,180
+1% +$3.98M 1.71% 15
2022
Q3
$277M Buy
7,558,160
+38,080
+0.5% +$1.7M 1.6% 14
2022
Q2
$320M Sell
7,520,080
-67,070
-0.9% -$3.19M 1.74% 13
2022
Q1
$408M Buy
7,587,150
+390,740
+5% +$22.7M 1.97% 13
2021
Q4
$518M Buy
7,196,410
+94,620
+1% +$5.93M 2.49% 10
2021
Q3
$404M Buy
7,101,790
+561,250
+9% +$34.1M 2% 13
2021
Q2
$426M Buy
6,540,540
+15,530
+0.2% +$980K 2.12% 10
2021
Q1
$388M Sell
6,525,010
-222,770
-3% -$12.1M 2.12% 10
2020
Q4
$319M Sell
6,747,780
-56,900
-0.8% -$2.39M 1.96% 15
2020
Q3
$226M Buy
6,804,680
+6,634,470
+3,898% +$229M 1.61% 20
2020
Q2
$5.51M Sell
170,210
-74,000
-30% -$2.02M 0.04% 234
2020
Q1
$5.86M Buy
244,210
+87,000
+55% +$2.5M 0.05% 217
2019
Q4
$4.6M Buy
157,210
+48,640
+45% +$1.29M 0.03% 298
2019
Q3
$2.51M Buy
+108,570
New +$2.28M 0.02% 387
2018
Q3
Sell
-529,310
Closed -$9.15M 565
2018
Q2
$9.15M Sell
529,310
-75,690
-13% -$1.46M 0.07% 163
2018
Q1
$12.3M Sell
605,000
-18,000
-3% -$357K 0.08% 141
2017
Q4
$11.5M Sell
623,000
-2,000
-0.3% -$39.3K 0.07% 156
2017
Q3
$11.6M Sell
625,000
-76,000
-11% -$1.23M 0.07% 154
2017
Q2
$9.91M Buy
701,000
+663,000
+1,745% +$9.72M 0.05% 187
2017
Q1
$488K Buy
+38,000
New +$447K ﹤0.01% 400
2016
Q2
Sell
-43,890
Closed -$363K 600
2016
Q1
$363K Buy
43,890
+7,000
+19% +$50.9K ﹤0.01% 490
2015
Q4
$293K Buy
+36,890
New +$277K ﹤0.01% 486

Other funds holding LRCX

Grantham, Mayo, Van Otterloo & Co (GMO)'s LRCX Position: Q1 2026 in Review

Grantham, Mayo, Van Otterloo & Co (GMO) reduced its Lam Research (LRCX) stake by 26% in Q1 2026, selling an estimated $546M and leaving 6,904,206 shares worth $1.48B. The position accounts for 3.77% of the portfolio, ranked #6.

Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in LRCX in Q4 2015 and has held it in 35 quarters since. The position peaked at $1.6B in Q4 2025. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

  • Grantham, Mayo, Van Otterloo & Co (GMO) held 6,904,206 shares of Lam Research worth $1.48B as of Q1 2026.
  • Grantham, Mayo, Van Otterloo & Co (GMO) sold 2,439,874 Lam Research shares in Q1 2026, an estimated $546M.
  • Lam Research made up 3.77% of Grantham, Mayo, Van Otterloo & Co (GMO)'s portfolio in Q1 2026, its #6 holding.
  • Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in Lam Research in Q4 2015 and has held it in 35 quarters since.
  • Grantham, Mayo, Van Otterloo & Co (GMO)'s Lam Research position peaked at $1.6B in Q4 2025.
  • 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Grantham, Mayo, Van Otterloo & Co (GMO)'s 13F filing for Q1 2026, filed 14 May 2026.