Simplex Trading’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
$67.3M Sell
314,800
-423,800
-57% -$94.8M 0.05% 175
2025
Q4
$126M Buy
738,600
+153,100
+26% +$23.8M 0.07% 118
2025
Q3
$78.4M Sell
585,500
-423,700
-42% -$44.9M 0.04% 246
2025
Q2
$98.2M Buy
1,009,200
+240,800
+31% +$19.1M 0.06% 163
2025
Q1
$55.9M Sell
768,400
-378,800
-33% -$29.8M 0.04% 253
2024
Q4
$82.9M Buy
1,147,200
+17,200
+2% +$1.3M 0.05% 193
2024
Q3
$92.2M Buy
1,130,000
+176,000
+18% +$15.3M 0.05% 178
2024
Q2
$102M Buy
954,000
+74,000
+8% +$7.1M 0.06% 155
2024
Q1
$85.5M Sell
880,000
-1,046,000
-54% -$92M 0.05% 207
2023
Q4
$119M Buy
1,926,000
+249,000
+15% +$17M 0.08% 149
2023
Q3
$105M Buy
1,677,000
+258,000
+18% +$16.9M 0.08% 127
2023
Q2
$91.2M Sell
1,419,000
-816,000
-37% -$46M 0.08% 156
2023
Q1
$118M Sell
2,235,000
-291,000
-12% -$14.3M 0.1% 131
2022
Q4
$106M Buy
2,526,000
+1,252,000
+98% +$52.4M 0.12% 129
2022
Q3
$46.6M Buy
1,274,000
+375,000
+42% +$16.7M 0.05% 260
2022
Q2
$38.3M Sell
899,000
-322,000
-26% -$15.3M 0.04% 309
2022
Q1
$65.6M Buy
1,221,000
+36,000
+3% +$2.1M 0.06% 230
2021
Q4
$85.2M Sell
1,185,000
-547,000
-32% -$34.3M 0.09% 175
2021
Q3
$110M Buy
1,732,000
+281,000
+19% +$17.1M 0.1% 132
2021
Q2
$94.4M Buy
1,451,000
+1,443,520
+19,298% +$91.1M 0.09% 150
2021
Q1
$44.5M Buy
7,480
+760
+11% +$41.4K 0.08% 146
2020
Q4
$31.7M Sell
6,720
-4,630
-41% -$195K 0.04% 250
2020
Q3
$37.7M Buy
11,350
+6,250
+123% +$215K 0.05% 204
2020
Q2
$16.5M Sell
5,100
-4,860
-49% -$133K 0.03% 357
2020
Q1
$23.9M Sell
9,960
-15,560
-61% -$448K 0.04% 208
2019
Q4
$74.6M Buy
25,520
+80
+0.3% +$2.12K 0.16% 68
2019
Q3
$58.8M Buy
25,440
+3,920
+18% +$82.3K 0.17% 76
2019
Q2
$40.4M Buy
21,520
+4,390
+26% +$83.3K 0.11% 111
2019
Q1
$30.7M Buy
17,130
+11,840
+224% +$198K 0.09% 149
2018
Q4
$7.2M Sell
5,290
-16,800
-76% -$241K 0.02% 435
2018
Q3
$33.5M Sell
22,090
-200
-0.9% -$3.42K 0.11% 129
2018
Q2
$38.5M Buy
22,290
+7,740
+53% +$149K 0.15% 97
2018
Q1
$784K Sell
14,550
-3,880
-21% -$76.9K 0.03% 493
2017
Q4
$696K Buy
18,430
+8,770
+91% +$172K 0.03% 546
2017
Q3
$177K Buy
9,660
+3,810
+65% +$61.8K 0.01% 1274
2017
Q2
$600K Buy
5,850
+4,530
+343% +$66.4K 0.03% 554
2017
Q1
$10K Sell
1,320
-2,020
-60% -$23.7K ﹤0.01% 3976
2016
Q4
$14K Sell
3,340
-2,460
-42% -$25K ﹤0.01% 3389
2016
Q3
$95K Buy
5,800
+310
+6% +$2.82K 0.01% 1568
2016
Q2
$121K Buy
5,490
+1,030
+23% +$8.28K 0.01% 1343
2016
Q1
$52K Sell
4,460
-2,430
-35% -$17.7K ﹤0.01% 1919
2015
Q4
$148K Buy
6,890
+2,190
+47% +$16.5K 0.01% 1082
2015
Q3
$523K Buy
4,700
+4,210
+859% +$30.9K 0.04% 431
2015
Q2
$24K Sell
490
-180
-27% -$1.41K ﹤0.01% 2305
2015
Q1
$64K Buy
670
+80
+14% +$633 0.01% 1391
2014
Q4
$45K Buy
+590
New +$4.57K 0.01% 1452

Other funds holding LRCX

Simplex Trading's LRCX Position: Q1 2026 in Review

Simplex Trading reduced its Lam Research (LRCX) stake by 55% in Q1 2026, selling an estimated $4.4M and leaving 16,078 shares worth $3.44M. The position accounts for ﹤0.01% of the portfolio, ranked #1379.

Simplex Trading first reported a position in LRCX in Q4 2014 and has held it in 23 quarters since. The position peaked at $23.7M in Q4 2021. 2,630 funds tracked by Wall St. Rank hold LRCX as of Q1 2026.

  • Simplex Trading held 16,078 shares of Lam Research worth $3.44M as of Q1 2026.
  • Simplex Trading sold 19,682 Lam Research shares in Q1 2026, an estimated $4.4M.
  • Lam Research made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #1379 holding.
  • Simplex Trading first reported a position in Lam Research in Q4 2014 and has held it in 23 quarters since.
  • Simplex Trading's Lam Research position peaked at $23.7M in Q4 2021.
  • 2,630 funds tracked by Wall St. Rank held Lam Research as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.