SEI Investments’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 | $416M | Sell |
959,938
-154,301
| -14% | -$46.8M | 0.37% | 40 |
|
|
2026
Q1 | $238M | Sell |
1,114,239
-39,198
| -3% | -$8.76M | 0.22% | 78 |
|
|
2025
Q4 | $197M | Sell |
1,153,437
-13,583
| -1% | -$2.11M | 0.19% | 89 |
|
|
2025
Q3 | $156M | Sell |
1,167,020
-1,882,440
| -62% | -$199M | 0.17% | 111 |
|
|
2025
Q2 | $297M | Buy |
3,049,460
+451,622
| +17% | +$35.8M | 0.34% | 49 |
|
|
2025
Q1 | $189M | Buy |
2,597,838
+1,113,045
| +75% | +$87.7M | 0.24% | 70 |
|
|
2024
Q4 | $107M | Sell |
1,484,793
-30,717
| -2% | -$2.33M | 0.14% | 151 |
|
|
2024
Q3 | $124M | Buy |
1,515,510
+49,760
| +3% | +$4.33M | 0.16% | 121 |
|
|
2024
Q2 | $156M | Sell |
1,465,750
-9,110
| -0.6% | -$874K | 0.22% | 83 |
|
|
2024
Q1 | $143M | Sell |
1,474,860
-123,360
| -8% | -$10.9M | 0.21% | 93 |
|
|
2023
Q4 | $125M | Sell |
1,598,220
-337,470
| -17% | -$23M | 0.2% | 91 |
|
|
2023
Q3 | $121M | Sell |
1,935,690
-200,720
| -9% | -$13.2M | 0.22% | 85 |
|
|
2023
Q2 | $137M | Buy |
2,136,410
+213,450
| +11% | +$12M | 0.24% | 81 |
|
|
2023
Q1 | $102M | Buy |
1,922,960
+244,160
| +15% | +$12M | 0.19% | 90 |
|
|
2022
Q4 | $70.6M | Buy |
1,678,800
+916,910
| +120% | +$38.4M | 0.16% | 118 |
|
|
2022
Q3 | $27.9M | Buy |
761,890
+22,440
| +3% | +$999K | 0.06% | 349 |
|
|
2022
Q2 | $31.5M | Buy |
739,450
+140,520
| +23% | +$6.69M | 0.07% | 311 |
|
|
2022
Q1 | $32.4M | Buy |
598,930
+42,130
| +8% | +$2.45M | 0.07% | 322 |
|
|
2021
Q4 | $39.8M | Buy |
556,800
+22,350
| +4% | +$1.4M | 0.07% | 271 |
|
|
2021
Q3 | $30.6M | Sell |
534,450
-153,040
| -22% | -$9.31M | 0.06% | 315 |
|
|
2021
Q2 | $45M | Buy |
687,490
+6,110
| +0.9% | +$386K | 0.1% | 199 |
|
|
2021
Q1 | $38.4M | Sell |
681,380
-44,170
| -6% | -$2.41M | 0.1% | 204 |
|
|
2020
Q4 | $34.1M | Sell |
725,550
-175,360
| -19% | -$7.38M | 0.09% | 222 |
|
|
2020
Q3 | $29.9M | Sell |
900,910
-165,030
| -15% | -$5.69M | 0.09% | 216 |
|
|
2020
Q2 | $34.6M | Sell |
1,065,940
-8,390
| -0.8% | -$229K | 0.11% | 172 |
|
|
2020
Q1 | $25.7M | Buy |
1,074,330
+51,780
| +5% | +$1.49M | 0.09% | 205 |
|
|
2019
Q4 | $29.8M | Buy |
1,022,550
+228,440
| +29% | +$6.07M | 0.09% | 216 |
|
|
2019
Q3 | $18.3M | Sell |
794,110
-174,180
| -18% | -$3.66M | 0.05% | 357 |
|
|
2019
Q2 | $18.2M | Sell |
968,290
-176,610
| -15% | -$3.35M | 0.06% | 325 |
|
|
2019
Q1 | $20.5M | Buy |
1,144,900
+32,010
| +3% | +$534K | 0.07% | 288 |
|
|
2018
Q4 | $16.6M | Buy |
1,112,890
+175,940
| +19% | +$2.52M | 0.06% | 357 |
|
|
2018
Q3 | $14.3M | Sell |
936,950
-245,050
| -21% | -$4.19M | 0.05% | 389 |
|
|
2018
Q2 | $20.4M | Sell |
1,182,000
-115,750
| -9% | -$2.23M | 0.07% | 288 |
|
|
2018
Q1 | $26.4M | Buy |
1,297,750
+199,390
| +18% | +$3.95M | 0.1% | 199 |
|
|
2017
Q4 | $20.2M | Sell |
1,098,360
-59,530
| -5% | -$1.17M | 0.07% | 314 |
|
|
2017
Q3 | $21.4M | Buy |
1,157,890
+205,880
| +22% | +$3.34M | 0.08% | 291 |
|
|
2017
Q2 | $13.5M | Buy |
952,010
+14,870
| +2% | +$218K | 0.05% | 424 |
|
|
2017
Q1 | $12M | Buy |
937,140
+203,190
| +28% | +$2.39M | 0.05% | 434 |
|
|
2016
Q4 | $7.76M | Buy |
733,950
+308,660
| +73% | +$3.13M | 0.04% | 583 |
|
|
2016
Q3 | $4.03M | Buy |
425,290
+59,120
| +16% | +$538K | 0.02% | 793 |
|
|
2016
Q2 | $3.08M | Sell |
366,170
-29,650
| -7% | -$238K | 0.02% | 832 |
|
|
2016
Q1 | $3.27M | Sell |
395,820
-36,070
| -8% | -$262K | 0.02% | 777 |
|
|
2015
Q4 | $3.43M | Sell |
431,890
-123,120
| -22% | -$926K | 0.02% | 782 |
|
|
2015
Q3 | $3.63M | Sell |
555,010
-120,260
| -18% | -$881K | 0.03% | 565 |
|
|
2015
Q2 | $5.49M | Sell |
675,270
-56,290
| -8% | -$442K | 0.05% | 435 |
|
|
2015
Q1 | $5.14M | Buy |
731,560
+415,040
| +131% | +$3.28M | 0.04% | 455 |
|
|
2014
Q4 | $2.51M | Buy |
+316,520
| New | +$2.45M | 0.02% | 621 |
|
Other funds holding LRCX
SEI Investments's LRCX Position: Q2 2026 in Review
SEI Investments reduced its Lam Research (LRCX) stake by 14% in Q2 2026, selling an estimated $46.8M and leaving 959,938 shares worth $416M. The position accounts for 0.37% of the portfolio, ranked #40.
SEI Investments first reported a position in LRCX in Q4 2014 and has held it in 47 quarters since. 3,118 funds tracked by Wall St. Rank hold LRCX as of Q2 2026.
- SEI Investments held 959,938 shares of Lam Research worth $416M as of Q2 2026.
- SEI Investments sold 154,301 Lam Research shares in Q2 2026, an estimated $46.8M.
- Lam Research made up 0.37% of SEI Investments's portfolio in Q2 2026, its #40 holding.
- SEI Investments first reported a position in Lam Research in Q4 2014 and has held it in 47 quarters since.
- 3,118 funds tracked by Wall St. Rank held Lam Research as of Q2 2026.
Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.